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MOTOMA PV-ESS Integration M50-100 User Manual

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PV-ESS Integration M50-100
Document version：3.0
Release date：2024-11

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Summary of Contents for MOTOMA PV-ESS Integration M50-100

  • Page 1 PV-ESS Integration M50-100 Document version：3.0 Release date：2024-11...
  • Page 2 Notice The products, services, features, etc., you purchase, are subject to the commercial contracts and regulations of Shenzhen Motoma Power Co.,Ltd. All or part of the products, services, or features described in this manual may not be within the scope of your purchase or use. Unless otherwise contractually agreed.

  • Page 3: Table Of Contents

    Contents SAFETY INSTRUCTION ..................1 1.1 G ....................1 ENERAL AFETY RECAUTIONS 1.2 P .......................... 2 ERSONAL AFETY 1.3 P ......................3 ERSONNEL EQUIREMENTS 1.4 E ......................... 4 LECTRICAL AFETY 1.5 G ......................4 ENERAL EQUIREMENTS 1.6 G ......................5 ROUNDING EQUIREMENTS 1.7 W...
  • Page 4 2.3 B PACK ..........................28 ATTERY 2.4 H ........................30 VOLTAGE 2.5 BMS - B .................. 31 ATTERY ANAGEMENT YSTEM (1) Cooperative Control Management Unit Overview - Battery Management Unit (BMU) ........................... 32 (2) Functions and Characteristics of Cooperative Control Unit ........ 32 (3) Main Control Management Unit Overview - (BCU) ..........
  • Page 5 5.2 ESS P ......................... 70 OWER 5.3 P ..................71 HOTOVOLTAIC SYSTEM POWERED ON 6 THE USE OF CLOUD PLATFORMS ................. 72 6.1 U ..........................72 OGIN 6.2 S ........................75 ANAGEMENT 6.3 S ........................81 ONITORING 6.4 A ......................90 LARM ANAGEMENT 6.5 D...
  • Page 6 (2)The product, service, or feature you have purchased should be subject to the commercial contract and terms of MOTOMA . The products, services, or features described in this document, in whole or in part, may not be within the scope of your purchase or usage.
  • Page 7 maintenance, and other related tasks of this product. Readers should possess certain electrical and related professional knowledge and qualifications. All installation operations must and can only be performed by professional technical personnel. Professional technicians must meet the following requirements: • Undergo specialized training and receive qualification recognition. •...

  • Page 8: Safety Instruction

    Otherwise, equipment failure may occur, leading to abnormal equipment function or component damage, which is not covered by the quality assurance; likewise, MOTOMA bears no liability for personal injury or property damage that may result. When transporting, storing, installing, operating, using, and maintaining the equipment, comply with local laws, regulations, and standards.

  • Page 9: Personal Safety

    9) System damage caused by you or a third party, including relocation and installation of systems not in accordance with this manual, and damage caused by unauthorized adjustments, changes, or removal of identification marks. 10) Defects, malfunctions, or damage caused by acts, events, negligence, or accidents beyond the seller's reasonable control, including power outages or electrical faults, theft, war, unrest, internal strife, terrorism, intentional or malicious damage, etc.

  • Page 10: Personnel Requirements

    Use specialized protective equipment, such as protective clothing, insulated shoes, safety goggles, safety helmets, insulated gloves, etc., during work. 1.3 Personnel Requirements Operations such as lifting and transporting, installation and wiring, and operation and maintenance of the equipment must be carried out by professional electrical technicians who meet local specifications.

  • Page 11: Electrical Safety

    1.4 Electrical Safety 1) Ensure that the equipment is undamaged before making electrical connections, as damage may cause electric shock or fire. 2) Non-standard or incorrect operations may lead to accidents such as fire or electric shock. 3) Prevent foreign objects from entering the equipment during operation, as this may cause short circuits or damage to the equipment, reduction in load supply, power drop, and personal injury.

  • Page 12: Grounding Requirements

    5) If liquid enters the equipment, immediately turn off the power and do not continue to use it. 6) Before operating the equipment, carefully check that the tools used meet the requirements and are logged; after operation, count and collect the tools to prevent them from being left inside the equipment.

  • Page 13: Wiring Requirements

    2) Equipment must be permanently connected to the protective ground. Before operating the equipment, check its electrical connections to ensure reliable grounding. 3) Do not operate equipment without installing a grounding conductor. 4) Do not damage the grounding conductor. 5) For equipment using three-core sockets, ensure that the ground terminal in the three- core socket is connected to the protective ground.

  • Page 14: Anti-Static Requirements

    verify cable selection, such as whether the current carrying capacity meets requirements. 10) Using cables in high-temperature environments may lead to aging and damage of the insulation layer. The distance between cables and heat-generating devices or heat source areas should be at least 30mm. 11) At low temperatures, severe impacts or vibrations can cause the plastic sheath of the cable to become brittle and crack.
  • Page 15 such as fireworks, candles, heaters, or other heating devices, as this may cause equipment damage or fire. 1) Install the equipment away from liquids and not under locations prone to condensation, such as water pipes or air vents; it should also not be installed under air conditioning vents, ventilation openings, or windows in machine rooms where water leakage is likely, to prevent liquids from entering the equipment and causing faults or short circuits.

  • Page 16: Mechanical Safety

    13) Before installing, operating, or maintaining the equipment, clear any accumulated water, ice, snow, or other debris from the top. Open the door only after ensuring that no debris will fall into the equipment. 14) Seal all cable entry points. Use sealing clay for cable entry points that are in use and use the provided covers for those not in use.

  • Page 17: General Requirements

    3) When removing equipment from the cabinet, be careful with potentially unstable or heavy equipment inside the cabinet to avoid crushing or impact injuries. 4）Drilling holes in the equipment is strictly prohibited. Drilling can damage the equipment's seal, electromagnetic shielding, internal components, and cables.
  • Page 18 Figure 1.12-1 Schematic Diagram of Different Methods for Handling Goods of Varying Weights. 2) When manually handling equipment, wear protective gloves and anti-crush shoes, and use other safety protective gear as required. 3) During the equipment handling process, take precautions to avoid scratching the equipment surface or damaging components and cables.

  • Page 19: High Altitude Safety

    Figure 1.12-2 Schematic Diagram of Allowable Tilting Angles for Cabinet 1.13 High Altitude Safety 1) Any operation conducted at a height of more than 2 meters above ground level is considered a high-altitude operation and requires the presence of a safety supervisor. 2) Individuals must undergo relevant training and obtain the necessary qualifications before engaging in high-altitude operations.

  • Page 20: Climbing Safety

    7) Ensure that tools and equipment are properly secured to prevent damage to equipment or injury to personnel due to falling objects. 8) It is strictly prohibited for personnel working at heights to throw objects from a high elevation to the ground or vice versa. Instead, use hoists, baskets, elevated platforms, or cranes for transporting objects.

  • Page 21: Lifting Safety

    weight, and strictly avoid overloading. 4) The ladder must be placed on a stable surface, and there must be someone to hold the ladder during use. Figure 1.14-1 Schematic Diagram of Personnel Assisting on a Ladder 5) Maintain a stable posture while climbing, ensuring that your body's center of gravity does not deviate from the ladder edge to reduce the risk and ensure safety.

  • Page 22: Drilling Safety

    4) During drilling, protect the equipment from debris and promptly clean up after drilling to prevent debris from entering the equipment. 1.17 Equipment Safety (1) ESS Safety This product specification is only applicable to M50-100 optical storage integrated intelligent distributed energy storage products developed by Shenzhen Motoma Power Co.,Ltd.

  • Page 23: Battery Safety

    Opening the cabinet doors is prohibited during system operation. Avoid standing near the cabinet doors, including within their opening range, during an ESS fault. ESS must have protective measures such as fences or walls, along with erected safety warning signs for isolation, to prevent unauthorized personnel from entering during operation and causing personal injury or property damage.
  • Page 24 1) Short-circuiting the positive and negative terminals of the battery is strictly prohibited, as it can cause a short circuit. A battery short circuit can instantly generate a large current and release a significant amount of energy, leading to battery leakage, smoking, release of combustible gases, thermal runaway, fire, or explosion.
  • Page 25 8) The battery is a sealed system and under normal operating conditions, no gases are released. However, in extreme misuse scenarios such as burning, puncturing, compression, lightning strike, overcharging, or other conditions that might cause thermal runaway, the battery could be damaged or undergo abnormal chemical reactions internally, potentially leading to electrolyte leakage or the production of gases like CO or H2.
  • Page 26 After battery discharge, charge the battery promptly to prevent damage due to over-discharge. Disclaimer: MOTOMA is not responsible for damage to batteries provided by the company due to the following reasons: 1) Battery damage caused by earthquakes, floods, volcanic eruptions, mudslides, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, extreme weather, or force majeure.

  • Page 27: General Requirements

    (3) General Requirements This product specification is only applicable to M50-100 optical storage integrated intelligent distributed energy storage products developed by Shenzhen Motoma Power Co.,Ltd. 1) Do not expose batteries to high-temperature environments or near heating devices, such as sunlight, fire sources, transformers, heaters, etc.

  • Page 28: Recharging Requirements

    have fire safety facilities that meet requirements, such as fire sand, fire extinguishers, etc. 2) Do not disassemble the external packaging of batteries under normal circumstances. If recharging of batteries is required, it must be done by professionals according to requirements.

  • Page 29: Battery Installation Requirements

    Failure to recharge as required may affect the battery's performance and lifespan. 2) Consult a MOTOMA service engineer for the production completion time of the battery pack. Before installing the battery pack, check for any abnormalities. Abnormalities in the...

  • Page 30: Hazard And Toxicity Description

    2) In a warehouse: Evacuate personnel, use mechanical tools by professionals to transport the battery to a safe open space, and contact a MOTOMA service engineer. Leave the...

  • Page 31: Maintenance And Replacement

    3) At the ESS site: Evacuate personnel, close the ESS door, use mechanical tools by professionals to transport the battery to a safe open space, and contact a MOTOMA service engineer. Leave the battery stationary for 1 hour before handling.

  • Page 32: Product Introduction

    2 Product Introduction 2.1 Product Definition PV-ESS Integration (refer to as M50-100) ) is a novel ESS that combines photovoltaic, power generation, load management, and energy storage. It goes beyond simple modular stacking, ensuring reliable and efficient electricity consumption for users while contributing to stable power supply for local public grids and enhancing overall power quality.

  • Page 33: System Composition

    The overall design is housed in a comprehensive cabinet containing up to 9 battery packs, a high-voltage box, BMS, EMS, air conditioning system, fire protection system, and one 50 kW Hybrid Inverter. Figure 2.2-1 PV-ESS Integration M50-100...
  • Page 34 Figure 2.1-2 PV-ESS Integration M50-100 Internal Layout Diagram one Figure 2.2-3 Internal layout of PV&ESS All-in-one Cabinet...

  • Page 35: Battery Pack

    2.3 Battery PACK The Battery PACK is composed of 24 cells, each with a capacity of 150Ah, along with one fan, one BMU, and structural and electrical components for cell support. The PACK integrates a temperature-controlled air duct, a dedicated channel for combustible gas emission, among other features.
  • Page 36 Optimal storage 25℃ temperature Operating humidity range 5%~95% RH Altitude ≤2000m L*W*H（mm） （857.5±2*428±2*176± External dimensions 2） Weight 87.8±2kg Product Dimensional Diagram: Figure 2.3-1 Battery Pack External Dimension Diagram When the battery module needs to be stored for an extended period, charge the battery module to a battery level between 15% and 40%.

  • Page 37: High-Voltage Tank

    corrosive substances, away from fire and heat sources. After packaging, the battery module should be transported to prevent severe vibration, impact, or compression during transportation, and protect against exposure to sunlight and rain. Various transportation methods, such as automobiles, trains, ships, and aircraft, can be used.

  • Page 38: Bms - Battery Management System

    condensing Communication mode Communication CAN2.0B protocol >2000m Altitude[m] <3000 derate Ingress protection IP20 Weight[kg] 20± 3 2.5 BMS - Battery Management System The BMS system of this product adopts a dual-level architecture, primarily designed for real-time monitoring of the battery pack. It can detect individual cell voltage, total voltage, current, temperature, etc., making real-time judgments about the battery's operational status.

  • Page 39: Cooperative Control Management Unit Overview - Battery Management Unit (Bmu)

    Figure 2.5-1 BMS Dual-Level Architecture Diagram (1) Cooperative Control Management Unit Overview - Battery Management Unit (BMU) The BMU is a vital component of the Energy Storage Battery Management System (BMS), playing a decisive role in the safe application and lifespan extension of the energy storage battery pack during collective use.

  • Page 40: Main Control Management Unit Overview - (Bcu)

    2) Temperature sampling function: High-precision and reliable data acquisition, supporting sampling of 24 series single-cell batteries and up to 28 external temperature channels. 3) Balancing: Passive balancing with a maximum balancing current of 80mA. 4) isoSPI communication: From-control unit samples information through isoSPI communication and uploads it to the main control, with automatic address allocation.

  • Page 41: Functions And Characteristics Of Main Control Unit

    (4) Functions and Characteristics of Main Control Unit 1) High-reliability design: Software, hardware, and structural design follow relevant professional standards. 2) High safety: Comprehensive protection functions with multiple redundant protection measures for battery protection under various limit and unexpected conditions. 3) Strong anti-interference ability: Designed considering the high-power and complex wiring electromagnetic environment of ESS.
  • Page 42 communication substations. Through data collection, processing, analysis, internal program logic operation, it controls the orderly and robust operation of the ESS. The EMS used in this product possesses powerful data processing capabilities, is compatible with multiple communication protocols, can quickly interface with BMS and Hybrid Inverter available on the market, and supports remote servicing.

  • Page 43: Fire Suppression System

    DI signal 4 channels, passive switching signal input, electrical interface isolation, voltage 4000Vrms Operating power 12±3V/24±3V, maximum current 3A, standard 5.08mm pitch source Phoenix terminals Dimension 215× 150× 44（mm）(not including mounting ears) Operating environment -30～+70℃ temperature Storage and transportation -40～+85℃ environment temperature Operating...
  • Page 44 accuracy at the chamber level. It reserves a PACK-level fire interface, and users can opt for PACK-level fire suppression (if not specified, the default is chamber level). The configuration of the fire suppression system equipment is as follows: Table 2.7-1 Specifications of the Fire Suppression System for this Product Equipment Model Qty.
  • Page 45 Figure 2.7-1 Fire Suppression System Layout Diagram...

  • Page 46: Hybrid Inverter

    Figure 2.7-2 Communication Topology of the Fire Suppression System 2.8 Hybrid inverter The hybrid inverter used in this product is a three-phase and off-grid energy storage inverter, which is suitable for the energy management for photovoltaic, battery, power grid. The electricity from the photovoltaic panels is used for load electricity, and excess electricity can be stored in the battery.
  • Page 47 Maximum short-circuit current MPPT number Number of MPPT input strings per channel Operating voltage range 200-800V Maximum 100A charge/discharge current Battery parameter Maximum 50kW charge/discharge power Battery type Li-ion/Lead-acid Rated output power 50kW Maximum apparent power 50kVA Grid-connected output Rated output voltage 400V，3L/N/PE parameters Rated frequency...
  • Page 48 European efficiency 97.50% Ac overcurrent protection Be equipped with Earth fault protection Be equipped with Power network monitoring Be equipped with and protection Residual current detection Be equipped with protection Over/under voltage Be equipped with protection Protection ISO protection Be equipped with DC injection monitoring Be equipped with Feedback current...

  • Page 49: Multi-Unit Parallel Solution

    DC connector type Quick plug terminal AC connector type Terminal Man-machine interaction mode RS485（4G/GPRS could Cloud communication choose） BMS communication mode Electric meter RS485 communication mode Installation mode Wall hanging/floor Electricity consumption at <10W night Dimension（W*D*H） 800×620×300mm Weight 72kg 2.9 Multi-Unit Parallel Solution This product supports a multi-unit parallel solution, with a maximum support of 3 cabinets in parallel.

  • Page 50: Electrical Schematic Diagram

    load output of multiple cabinets, then distributes it to various loads. 2.10 Electrical Schematic Diagram The inverter used in this product is a three-phase and off-grid energy storage inverter, which is suitable for the energy management of photovoltaic, battery, load and power grid. Figure 2.9-1 Electrical schematic diagram of single product...

  • Page 51: Communication Topology

    Figure 2.9-2 Electrical schematics of multi-machine parallel products 2.11 Communication Topology...

  • Page 52: Specifications

    Figure 2.10-1 Communication topology of single products Figure 2.10-2 Multi-machine parallel (grid-connected mode) product communication topology 2.12 Specifications Table 2.12-1 Specifications for PV-ESS Integration Product Model M50-100 Photovoltaic parameter Maximum input power 50kW Starting voltage 200V PV rated voltage 620Vdc...
  • Page 53 MPPT Operating voltage 200-850Vdc range MPPT Number Number of single MPPT input channels Maximum input current (per 30A*4 MPPT) Maximum short circuit 40A*4 current (per MPPT) DC side energy storage parameters Nominal energy 103kWh Nominal voltage 690Vdc Battery voltage range 605~777 Vdc Rated charge/discharge current...

  • Page 54: Product Transportation And Installation

    Altitude 3000m（Derating above 2000 meters） Class of protection IP54 3 Product transportation and installation 3.1 Product transportation and storage requirements This product meets the requirements of vehicle, ship and other transportation. The shipping box must be firm and the outside of the box should conform to the national standard There should be signs such as "Handle with care"...
  • Page 55 2) The distance from airports, buried waste disposal sites, riverbanks, or dams should be ≥2000m. 3) Choose an open area, ensuring that there are no obstacles within a 10m radius around the site. 4) Maintain a distance of at least 50m from residential areas to avoid noise pollution, stay away from sources of ignition, and prohibit children from entering.
  • Page 56 Table 3.1-1 Minimum Values of Wall Thickness and Cover Thickness for Longitudinal Reinforcement Wall Thickness (mm) / Cover Thickness of Longitudinal Reinforcement (mm) Fire u=0.35 u=0.7 Resistance Two- Limit (min) One-sided Two-sided One-sided sided Fire Exposure Fire Exposure Fire Exposure Fire Exposure 140/15...

  • Page 57: Installation Space Requirements

    13) Crowded places, high-rise buildings, and underground structures. Installation Space Requirements To ensure the normal maintenance of equipment inside the cabinet and facilitate the normal movement of tools, it is recommended to reserve sufficient space around the cabinet installation location. The minimum size of the reserved space should not be less than the minimum size shown in the figures below: 1) For a single cabinet, reserve a minimum installation spacing of ≥1500mm on the side with the door open and ≥1000mm on the side without the door open.
  • Page 58 Figure 3.2-1 Schematic Diagram of Single Cabinet Installation Space Requirements（unit: mm）...
  • Page 59 Figure 3.2-2: Schematic Diagram of Multiple Cabinets Installed in Parallel Space Requirements Figure 3.2-3: Schematic Diagram of Multiple Cabinets Arranged in Double Rows Back-to-Back Installation Space Requirements...

  • Page 60: Cabinet Installation

    3.4 Cabinet Installation The cabinet is relatively heavy, and before constructing the foundation, the conditions of the installation site (mainly referring to geological conditions and environmental climate conditions, etc.) should be carefully examined. Only on this basis can the design and construction of the foundation be started. The storage location of the cabinet needs to be prepared by a professional construction team in advance.
  • Page 61 6) Drainage measures should be built according to local geological conditions. 7) Build a sufficiently sized and high-quality cement foundation. The height of the foundation should be determined by the construction party based on the site geology. 8) Consider cable routing during foundation construction. 9) Construct a maintenance platform around the foundation for convenient maintenance in the future.
  • Page 62 Figure 3.3-2 Equipment foundation drawing（unit: mm） Figure 3.3-3 Equipment foundation drawing (unit: mm） Basic manufacturing instructions 1) The site is compacted and smooth 2) Cement base material C25 3) The part below the foundation ground shall not be less than 100mm 4) Before cementing, bury wire pipe (4*∅75mm) with a depth greater than 500mm 5) When the cement is poured, the installation iron plate should be embedded according to the dimensions of the drawing...

  • Page 63: Photovoltaic Panel Installation

    2) Iron plate size 200*200*10mm 3) Weld two ∅10 steel bars to the bottom of the iron plate, as shown in the figure above 3.5 Photovoltaic panel installation User must inquire professionals to install the photovoltaic panel according to the user manual.
  • Page 64 12) Do not place or touch the installation tool on the photovoltaic module at will. 13) Do not touch the metal parts of the photovoltaic module. 14) It is strictly prohibited to connect the positive and negative plugs of the same photovoltaic module connection line.

  • Page 65: Pre-Installation Inspection

    3.6 Pre-Installation Inspection (1) Tool Preparation Before installing equipment, the tools needed, including installation tools and personal protective tools, must be prepared, as shown below. The tools used, including socket wrenches, torque wrenches, screwdrivers, and other handles, need to undergo insulation protection treatment or be used with insulated tools.

  • Page 66: Installation Environment Inspection

    Figure3.5-2 Personal Protective Equipment Schematic (2) Installation Environment Inspection Inspect according to site requirements, and proceed with the installation only if the requirements are met. The company will not be responsible for any losses caused by forced installation that does not meet the requirements. Marking the Safety Zone: Use red construction markings to circle the safety area.

  • Page 67: Grounding Wire Connection

    Figure4.1-1 Electrical Main Wiring Diagram 4.2 Grounding Wire Connection Prohibit the installation of fuses, switches, etc., on the protective ground wire. Grounding complies with local electrical safety regulations. The product cabinet is equipped with one grounding point. After the cabinet is installed, install the grounding lead wire.

  • Page 68: Ac Line Connection

    Figure 4.2-1 Cabinet grounding diagram 4.3 AC Line Connection 1) When connecting AC lines, ensure that the cables are not damaged or broken, and ensure that the N line connection is reliable to avoid damage to AC equipment within the system. After connecting AC lines, ensure that the terminals are fully aligned and in good contact, and the AC input lines are vertical.
  • Page 69 Figure 4.3-1 Distribution Panel Layout Diagram Figure 4.3-2 Distribution Panel Terminal Row Definition Diagram...

  • Page 70: Photovoltaic Power Generation Access

    4.4 Photovoltaic power generation access 1) Once the photovoltaic array is exposed to sunlight, it will produce deadly high pressure, when the inverter is connected to the photovoltaic, please ensure that the photovoltaic array is well insulated. 2) Ensure that the maximum voltage of each PV string is always less than 850 V.

  • Page 71: Anti-Backflow Meter Connection

    instability or even collapse of the power grid system. Therefore, this product needs counter-current protection. Anti-backflow Meter Connection The principle of anti-backflow is as follows: the user's normal line power flows from the public power grid to the user. When the user load power is less than the discharge power of the battery or the photovoltaic power generation power of this product, the user's line power flows from the user to the public power grid, which is called reverse power.
  • Page 72 Figure 4.5-1 Schematic Diagram of The Product Connected to a Single Transformer Anti-backflow system configuration scheme: ① Use Meter 1 (included in this product) on the energy storage system side for bidirectional metering of energy storage system charging and discharging; ② Add Meter 2 on the low-voltage side of Transformer 1 for anti-backflow and overload metering detection;...
  • Page 73 system is not allowed to discharge to the high-voltage side of the main transformer. This situation is more common in some larger industrial parks, where the capacities of transformers in the park vary. The energy storage system is often only connected to the transformer with relatively large electricity loads.
  • Page 74 Note: 1) If multiple subsystems are connected to the low-voltage side of different transformers, they can all refer to the connection method shown for Transformer 1 in the diagram. 2) This scheme involves the addition of multiple meters, which may pose difficulties in construction due to issues such as wiring and control 485 communication line length.

  • Page 75: Multi-Unit Parallel Connection

    2) Add Meter 2 on the low-voltage side of Transformer 1 for overload protection of this transformer. 3) Add high-voltage Meter 3 on the primary transformer's 10kV side for high-voltage anti-backflow detection. 4) Meter 3 should be connected on the high-voltage side, which may require a significant power-off area for wiring and specialized personnel for installation.

  • Page 76: System Power-On

    2) Photovoltaic access For details, see 4.4 Connecting a Single Cabinet. 3) Communication line wiring When multiple Hybrid Inverter are connected in parallel, the Hybrid Inverter of each cabinet must be connected in series through RS485 communication, and the EMS must be connected in series through Ethernet communication.

  • Page 77: Ess Power On

    1）The energy storage system can only be put into operation after confirmation by a qualified professional. 2）For energy storage systems that have been out of service for a long time, a comprehensive and meticulous inspection of the equipment must be conducted before powering on. The system can only be powered on after ensuring that all indicators meet the requirements 1）Check if the wiring is correct.

  • Page 78: Photovoltaic System Powered On

    2）Close the mains power switch QF5. 3）Close the auxiliary power supply switch QF7. 4）Close the auxiliary power supply switch QF8. 5）Close the fan power supply switch QF9. 6）Turn the handle of the DC circuit breaker in the high-voltage box to ON, and close the circuit breaker.

  • Page 79: The Use Of Cloud Platforms

    6 The Use of Cloud Platforms This product supports the operation and maintenance management of cloud platforms, which are based on energy digitalization technologies such as the Internet of Things, big data analysis, and cloud computing. It constructs a cloud- edge collaborative system to achieve device perception, intelligent diagnosis, and collaborative control.
  • Page 80 Figure 6.1-1 Cloud Platform Login Display Interface (2) Multi-language Switching** Language switching can be done in the upper right corner of the login page. Figure 6.1-2 Cloud Platform Language Switching Display Interface (3) Logout Log in to the management platform - click on the avatar icon in the upper right corner, then click the "Logout"...
  • Page 81 Figure 6.1-3 Cloud Platform Logout Display Interface (4) Login Account Viewing and Password Reset Log in to the management platform - click on the icon in the upper right corner, then click the "Personal Center" button to enter the basic information page, where you can modify the login account's avatar, user nickname, mobile phone number, user email, gender, and other basic information, as shown in the figure below: Figure 6.1-4 Cloud Platform Personal Center Display Interface...

  • Page 82: Site Management

    Log in to the management platform - click on the icon in the upper right corner, then click the "Personal Center" button to enter the password reset page, where you can modify the password information again, as shown in the figure below: Figure 6.1-5 Cloud Platform Password Modification Display Interface 6.2 Site Management Owners can use conditional filtering to manage their site lists, view the main...
  • Page 83 Figure 6.2-1 Cloud Platform Site List Display Interface (2)Edit Site Click the "Edit" button in the operation column of the site list, and you can set the basic information such as the city grid voltage level, transformer capacity, site location, photovoltaic capacity, energy storage capacity, and charging pile rated total power on the pop-up page.
  • Page 84 Management, and Configuration Log. This allows users to modify some statistical collection points during the site operation and adjust the rules of benefits according to their needs. (4)Basic Information On the current page, you can view the delivery status and basic information of the current site, which helps to understand the overview of the current site.
  • Page 85 Figure 6.2-4 Cloud Platform Site Device Management Display Interface (6)Operation Management Monitoring settings: Users can view the configuration of the site's collection point parameters on the current page. This configuration will affect the summary data display on the site overview page. Failure to configure properly will affect the accuracy of the data display.
  • Page 86 Figure 6.2-6 Cloud Platform Site Operation Parameter Settings Interface (8)Electricity Price Management City grid electricity price settings: Users can flexibly create multiple electricity price rules according to the charging standards of the power supply bureau. Each rule can configure multiple effective dates, set uniform peak, flat, and valley electricity prices for these date ranges, and set the peak, flat, and valley time periods within the date range, with a maximum of ten segments.
  • Page 87 multiple discontinuous time periods. There should be no overlapping dates between different rules. Grid connection electricity price: Enter the corresponding peak, flat, and valley period electricity prices for the region. Time period: Set the corresponding period according to the regional electricity price period.

  • Page 88: Site Monitoring

    (9)Configuration Log The current page displays the historical data of user settings for the site, recording all operations on the site, including site permission configuration, electricity price configuration records, site information modifications, which facilitates the daily maintenance and traceability of operations by maintenance personnel. Figure 6.2-9 Cloud Platform Site Configuration Log Display Interface Click "View Details"...
  • Page 89 On the current page, users can view the basic information of the site, main module information, emission reduction statistics, real-time energy flow diagram, multi- dimensional revenue statistics, real-time power, and cumulative electricity statistics for specific time periods. This provides a comprehensive, intuitive, and real-time overview of the site's energy status and equipment operation, facilitating users to grasp the overall operation of the site and the corresponding revenue information in real-time Table 6.3-1 Site Display Information Statistics Table...
  • Page 90 historical daily, monthly, and annual electricity data can be queried by selecting a date. Figure 6.3-1 Cloud Platform Site Overview Display Interface (2) Power Generation Unit Monitoring On the current page, users can view the statistical information of the site-level photovoltaic power generation, including the number of power generation units in operation, the number of units not in operation, the number of generation strings, and the self-use ratio.
  • Page 91 On the current page, users can view the statistical information of the site-level energy storage unit, including rated capacity, today's system charge, today's system discharge, cumulative charge, cumulative discharge, daily revenue, and cumulative revenue information. It is also possible to view the overview data of different energy storage cabinets by switching tables.
  • Page 92 energy storage cabinet can also be viewed and displayed. Display the operating data of the energy storage unit such as rated capacity, today's system charge, today's system discharge, cumulative charge, cumulative discharge, daily revenue, and cumulative revenue. Display the current group's host and group information, and when the number of master and slave devices is more than two, you can view the main information of the current device by switching the left and right arrows: SOC, SOH, current voltage, current current, current power,...
  • Page 93 Figure 6.3-5 Cloud Platform Parallel Machine Energy Storage Unit Display Interface Two (4) Equipment Monitoring The equipment at the commercial and industrial energy storage site is comprehensively monitored in three categories: EMS, energy storage inverter, and other equipment. EMS: Display the basic information of the equipment, the site it belongs to, communication status, alarm status, and system mode.
  • Page 94 similar to the equipment details. Figure 6.3-7 Cloud Platform EMS Monitoring Display Interface Operation Log （5） During the operation of the equipment, when the state of the equipment changes, the system will record the time of the equipment state change, the previous and current values of the change facilitate the traceability of the equipment operation state, and the command issuance to the equipment will also be recorded in the log for easy traceability of the issuance record.
  • Page 95 (6) Data Management 1) Data Report Users can select any site and classify and summarize the operation data of all equipment under the current site, such as electricity, revenue, and electricity costs. Support site reports, city electricity reports, energy storage reports, and other load reports.
  • Page 96 Figure 6.3-11 Cloud Platform City Electricity Report Display Interface 4) Energy Storage Report: Statistics on the charge and costs of energy storage during peak, flat, and valley periods, as well as total charge and costs. Statistics on the discharge and income of energy storage during peak, flat, and valley periods, as well as total discharge and income.

  • Page 97: Alarm Management

    Figure 6.3-13 Cloud Platform Other Load Report Display Interface (7) Data Inquiry After users select a site, they can inquire about the historical trend data of a certain device's collection point under the current site and support the export of the inquiry results.
  • Page 98 through alarm levels, alarm statuses, and other inquiry conditions. This provides users with timely and comprehensive equipment alarm information, helping users to discover and solve problems in a timely manner, ensuring the reliability and stability of the equipment. Alarm levels are divided into urgent, important, minor, and提示, and alarm statuses are divided into alarms in progress and alarms cleared.

  • Page 99: Device Management

    Figure 6.4-3 Cloud platform historical alarm display page Click Alarm information to display the alarm details Figure 6.4-4 Cloud platform historical alarm display page 6.5 Device Management (1) Device List Users can search for devices at their sites by site name, product type, device name, device serial number, communication status, and other search criteria, making it convenient for users to view the operating status and lifecycle of the equipment.
  • Page 100 various device units in the energy storage main device. Through this module, users can easily monitor the operating status of the equipment, implement remote control, conduct data analysis, and monitor the equipment. The device details include five modules: Device Details, Historical Data, Alarms, Logs, and Configuration.
  • Page 101 information to help users discover and solve problems in a timely manner, ensuring the reliability and stability of the equipment. Alarm levels are divided into Critical, Urgent, Minor, and Notification; alarms that are in an alarmed state are displayed in the Current Alarms, and after the alarm is restored, they are transferred to the Historical Alarms at 24:00 on the same day.
  • Page 102 Figure 6.5-6 Cloud Platform Operation Log Display Interface Click to view details and view the specific content of the log. Figure 6.5-7 Cloud Platform Operation Log Content Display Interface Integrated Energy Storage Cabinet （6） Device Details: Display the basic information and operating status of the energy storage cabinet. Display the physical structure diagram of the equipment and the operating status of each component: cabinet door, EMS, battery pack, cell information, inverter, air conditioning main operating information, and by clicking "More,"...
  • Page 103 Figure 6.5-8 Cloud Platform Integrated Energy Storage Cabinet Display Interface (7) Energy Storage EMS 1) Device Details - Operating Data Display the basic information, status information, system charging cost statistics, system discharging revenue statistics, emission reduction, and other information of the EMS device.
  • Page 104 Figure 6.5-10 Cloud Platform Historical Data Display Interface 2) Device Details - Remote Control: For details on related control commands, see Appendix B.2. Figure 6.5-11 Cloud Platform Remote Control Display Interface 3) Configuration - Energy Management Peak Shaving and Valley Filling Mode Settings: You can set up to ten time periods for charging and discharging period cycles, charging and discharging modes, charging and discharging power, as well as the highest and lowest SOC throughout the entire mode process.
  • Page 105 Peak, Flat, and Valley Period Settings: Issue peak, flat, and valley electricity prices for four periods to the equipment, and set up to ten time periods for peak, flat, and valley modes for the equipment. Figure 6.5-12 Cloud Platform Energy Management Settings Display Interface (8) Energy Storage Inverter Device details display the status information of the energy storage inverter, status information, AC side information, DC side information, photovoltaic information,...
  • Page 106 Figure 6.5-14 Cloud Platform Energy Storage Battery Pack Display Interface (10) Energy Storage Air Conditioning Device details display the status information when the energy storage air conditioning is operating. Figure 6.5-15 Cloud Platform Air Conditioning Information Display Interface (11) Energy Storage Fire Protection Display the main status information of the air-cooled fire protection Figure 6.5-16 Cloud Platform Fire Protection Information Display Interface...

  • Page 107: Upgrade Management

    (12) Grid-Side Electricity Meter Device details display the real-time data of the electricity meter operation: three- phase current, three-phase voltage, three-phase active power, three-phase reactive power, three-phase apparent power, three-phase cumulative electricity, frequency, and three-phase power factor. Figure 6.5-17 Cloud Platform Electricity Meter Information Display Interface 6.6 Upgrade Management Users can select the product to be upgraded through upgrade tasks, product types, and product models.

  • Page 108: System Maintenance

    3) To minimize the risk of electric shock, refrain from performing any maintenance or repair operations beyond those specified in this manual. If necessary, contact MOTOMA customer service personnel for maintenance and repairs. Maintenance Work Conducted Every Two Years Item...

  • Page 109: Maintenance Work Conducted Every Year

    5) Ensure that the air inlet and outlet of the battery cabinet are not obstructed. Warning Examine warning signs and labels for clarity and absence of Signs damage. Replace if necessary. Inspect the proper contact between the cable shielding layer Grounding and insulation sleeves;...
  • Page 110 Check air conditioner temperature and dust Inlet and accumulation. If necessary, use a vacuum cleaner to Outlet Vents clean the air conditioner. The inspection should commence only after completely disconnecting power to the internal devices of the ESS cabinet. If discrepancies are found during inspection, rectify them immediately: 1) Check if the cable layout is compliant and free from short circuits.

  • Page 111: Maintenance Work Conducted Every Six Months To One Year

    Maintenance Work Conducted Every Six Months to One Year Item Inspection method 1) Verify the emergency shutdown button's stopping functionality. 2) Simulate a shutdown. Safety 3) Inspect the equipment for warning signs and Functions other labels. If any are found to be blurred or damaged, replace them promptly.

  • Page 112: Alarm&Fault Reference

    8 Alarm&Fault Reference EMS Alarms/Faults The following is the EMS alarm/fault list. Table 8.1-1 EMS Alarm/Fault List Alarm name Fault cause Handling suggestion 1. The BMS is not powered 1. Check whether the power supply to the BMS is normal. communication 2.
  • Page 113 1. The air conditioner is 1. Check whether the power supply to the air conditioner is powered off. conditioning normal. 2. The communication communication 2. Check whether the wiring lost cable harness harness is loose and damaged. is loose. 1. Remotely monitor the device for 30 minutes and check whether other anomalies exist, such as abnormal temperature, battery...

  • Page 114: Bms Alarms/Faults

    The emergency 1. Manually press the emergency Electrical stop button of stop button to reset. emergency the battery 2. Replace the emergency stop stop signal cabinet door is button if the emergency stop alarm pressed or button is damaged. damaged. 8.2 BMS Alarms/Faults The following is the BMS alarm/fault list.
  • Page 115 2. Incorrect wiring of contactor feedback contacts Loose Replace the communication Communicatio communication cable assembly. n Failure plug 1. Loose shunt 1. Secure the shunt sampler sampler wires signal wires. 2. Shunt damage or Current 2. Measure the shunt for normal reversed Sensor Failure operation and signal output.
  • Page 116 2. If no other abnormalities are detected, arrange for trained personnel to observe from a safe distance for 30 minutes. If smoke or fire is observed, shut down the system remotely, evacuate, and call the fire department. 3. If no abnormalities are detected remotely or on-site, open the cabinet to check for the release of perfluoropolyether.
  • Page 117 Discharge Current Too Excessive dispatch Issue reasonable dispatch power. High III/II/I power Alarm Charging Current Too Excessive dispatch Issue reasonable dispatch power. High III/II/I power Alarm 1. Loose cooling fan plug. Discharge 2. Cooling fan 1. Reseat the fan plug. Battery failure 2.

  • Page 118: Hybrid Inverter Alarms/Faults

    1. Dampness/exces Insulation sive dust 1. Dehumidify and clean. Resistance 2. Ground short 2. Measure system insulation Too Low III/II/I circuit with an instrument. Alarm 3. Poor power line 3. Check power line connections. contact High Fan failure in the Temperature distribution box, Check if the fan power supply is...
  • Page 119 Table 8.4-1 Air Conditioning Alarm/Fault List Alarm Name Cause of Malfunction Suggested Action 1. Loose wiring of the 1. Please shut down the system at Return Air return air temperature an appropriate time and take Temperature sensor. safety precautions. Sensor Failure 2.
  • Page 120 1. Check the air conditioning parameter "Low Temperature Alarm Set Point" to ensure it is The unit has been set reasonably. operating continuously 2. If the parameter is set correctly, for more than 10 please check other related alarms minutes, and the Temperature for this air conditioner and return air temperature...
  • Page 121 the air conditioner and contact the service hotline. 1. Check if all system valves are fully open. 2. Check if the condenser is dirty 1. High-pressure switch or blocked, and clean the High Pressure is disconnected. condenser if necessary. Alarm 2.
  • Page 122 persists for 10 minutes without being cleared. 1. Please shut down the system at 1. Wiring is not stable Condenser an appropriate time and take or incorrect. Temperature safety precautions. 2. Sensor damage, Sensor Failure 2. Check for loose wiring. open circuit, or short Alarm 3.

  • Page 123: Appendix

    9 Appendix A.How to Touch Up Paint A.1 Prerequisites 1) In outdoor, unobstructed conditions, it is strictly forbidden to touch up paint in harsh weather such as rain, snow, strong winds, sandstorms, etc. 2) Prepare paint that meets the requirements based on the color chart provided at the time of shipment.
  • Page 124 the steel sandpaper, approximately 30 minutes after anhydrous allowing the paint surface to substrate) ethanol, cotton settle. cloth, spray gun (for large area touch-ups). For damaged logos and patterns, provide Damage the logo's dimensions and color codes. to logos Seek a local advertising spray supplier to develop a repair plan based on logo size, patterns color, and the extent of damage, and...
  • Page 125 Step 2: Dampen a cotton cloth with anhydrous ethanol, wipe the sanded or repair area to remove surface dirt and dust, then dry with a clean cotton cloth. [Image 5: Treating the damaged coating with anhydrous ethanol] Step 3: Use a brush or spray gun to apply zinc-rich primer to the damaged coating. 1) If the repair area has exposed the substrate, apply epoxy zinc-rich primer first until the paint is dry and the substrate is not exposed, then apply acrylic topcoat.
  • Page 126 [Image 6: Touching up the damaged coating on the equipment] Step 5: After painting, let it sit for about 30 minutes, then observe whether the repaired area meets the requirements. 1)The repaired area should match the color of the surrounding areas, with a color difference (ΔE) of ≤3 when measured with a colorimeter.
  • Page 127 System-Related Parameters Table Parameter Unit Description Calculation Formula Remarks Initialized to the default value of 0kWh The cumulative at 00:00:00 every day, electricity charged and starts to into the energy accumulate the Today's System storage system charging quantity of Charging from 00:00 today the energy storage to the current...
  • Page 128 storage system is accumulated. From the last operation of "System Energy Statistics The total Initialization" (the discharging corresponding quantity of the timestamp can be energy storage Cumulative System viewed next to the system from the Discharging operation button in last system energy the upper computer statistics software), until the...
  • Page 129 statistical month; Year: The total sum of monthly charging quantities of the energy storage system within the statistical year. Day: The quantity of electricity discharged by the energy storage system daily; Month: The total sum of daily The quantity of discharging quantities electricity of the energy storage...
  • Page 130 day at the current value of 0kWh each moment. day, and no further accumulation after the first discharging stops. The cumulative quantity of electricity charged for the The cumulative second time of the quantity of day, with a default electricity charged starting value of Second Charging for the second...
  • Page 131 power on the AC side). Discharging is positive, charging is negative. The total reactive power of the system The total reactive during charging or power of the discharging at the System Total Reactive system during current moment (sum kvar Power charging or of three-phase discharging at the...
  • Page 132 discharging at the current moment. current moment. Discharging is positive, charging is negative. 2)Battery-Related Parameters Battery-Related Parameters Parameter Unit Description Calculation Formula Remarks The cumulative Initialized to the default quantity of electricity value of 0kWh at 00:00:00 Today's charged into the every day, and starts to Charging energy storage battery...
  • Page 133 Battery charging or discharging at the current Power discharging at the moment. Discharging is current moment. positive, charging is negative. The capacity value of the energy storage Calculated and uploaded Battery SOC battery at the current by the system BMS. moment.
  • Page 134 The maximum cell voltage difference of Cell Voltage "Highest Cell Voltage" - the energy storage Difference "Lowest Cell Voltage" battery at the current moment. The highest cell temperature value of Highest Cell ℃ the energy storage Temperature battery at the current moment.
  • Page 135 energy statistics operation (the initialization. corresponding timestamp can be viewed next to the operation button in the upper computer software), as of the current total electricity consumption of the energy storage system load after accumulation. The current electricity Load Electricity consumption power Consumption of the energy...
  • Page 136 (s), with a time interval Platform) settable between 1s~30s. Sets the time interval for the energy storage Data Upload system to upload data to the MOTOMA Cloud Frequency (MOTOMA Platform, in seconds (s), with a time interval Cloud Platform) settable between 1s~30s.
  • Page 137 filling mode. Charging stops when this capacity is reached. Sets the minimum capacity allowed for charging in peak shaving and valley Minimum SOC (%) filling mode. Discharging stops when this capacity is reached. Sets the value acquisition method for the system's charging/discharging power: Maximum Power: Charging/Discharging Charges/discharges at the maximum...
  • Page 138 Name Description Remarks Charging Power Sets the current charging power of the Setting (kW) system in manual mode. Discharging Power Sets the current discharging power of the Setting (kW) system in backup mode. Peak, Valley, Flat, and Off-Peak Electricity Price Parameter Setting Description Name Description Remarks...
  • Page 139 set charging power, and when the maximum SOC is reached, it discharges at the set power. The energy storage system, in manual mode, charges or discharges according to the manually set charging Manual Mode and discharging powers. The settings for peak shaving and valley filling and backup mode are overridden.
  • Page 140 mode, the system operates according to the preset backup mode parameters in energy management. Sets the current operating work status of the energy storage system, supporting four work statuses: "Start," "Standby," "Stop," and "Emergency Stop." Selecting the "Start" button, the energy storage system starts and operates according to the preset work mode.
  • Page 141 statistics after initialization. This initialization operation only initializes the internal energy statistics data of the energy storage system and cannot initialize the read values of the electricity meters on the grid side and inverter side. The energy storage system's energy statistics record the current electricity meter reading as the starting data and start counting the energy of the energy storage...

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