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CanadianSolar KuBank User Manual

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CSI KuBank User Manual (V1.2
KuBank User Manual
(IEC&UL&JP versions)
V1.2
CSI Energy Storage Co., Ltd.
©2024 CSI all rights reserved. Contains confidential information. Without prior written consent from CSI or its
licensors, do not modify, reproduce, or distribute.
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  • Page 1 CSI KuBank User Manual (V1.2 KuBank User Manual (IEC&UL&JP versions) V1.2 CSI Energy Storage Co., Ltd. ©2024 CSI all rights reserved. Contains confidential information. Without prior written consent from CSI or its licensors, do not modify, reproduce, or distribute. 1 / 70...

  • Page 2: Table Of Contents

    CSI KuBank User Manual (V1.2 Contents Safety Precautions ................................5 Symbol on Products ................................5 1.1 General Security ............................... 5 1.1.1 Declaration ................................. 5 1.1.2 General Requirements ............................6 Personnel Requirements ............................9 Product description ..............................10 2.1 Product Introduction .............................. 10 2.2 Enclosure Design ................................
  • Page 3 CSI KuBank User Manual (V1.2 5.2.1 Cable inlet of the auxiliary power and signal ....................34 5.2.2 Connection area diagram............................. 35 5.2.3 Cable connection terminals and cable specifications ..................35 5.3 AC wiring connection ............................... 37 5.3.1 Cable inlet of the AC wiring (IEC version) ..................... 37 5.3.2 Connection area diagram(IEC version) ......................
  • Page 4 9.5 Batteries Maintenance ............................. 65 9.6 Maintenance Precautions ............................66 9.7 Maintenance ................................67 Appendix ..................................68 10.1 KuBank Specification (IEC version) ........................68 10.2 KuBank Specification (JP version) ........................69 10.3 KuBank Specification (UL version) ........................70 4 / 70...

  • Page 5: Safety Precautions

    CSI KuBank User Manual (V1.2 Safety Precautions Symbol on Products Always note hazard warnings on the machine body, including: Marks Explanation UKCA mark of conformity. CE mark of conformity. Pay attention to the danger. Do not operate this product in the live status.

  • Page 6: General Requirements

    CSI KuBank User Manual (V1.2 This equipment should be used in an environment that meets the design specifications, otherwise it may cause equipment failures. The resulting equipment function abnormalities or component damage, personal safety accidents, property losses, etc. are not within the scope of equipment quality warranty.
  • Page 7 CSI KuBank User Manual (V1.2 ● The warning labels, cautions, and protective measures on the equipment must be clearly visible, and any artificial alteration, damage, or blocking is prohibited. Once they become blurred, please replace them in a timely manner.
  • Page 8 CSI KuBank User Manual (V1.2 and lock the cabinet door. Notice ● During transportation, transfer, installation, wiring and maintenance operations, the laws and regulations and relevant standards of the country or region must be met. ● The materials and tools required for operation that are provided by users must comply with the laws and regulations and relevant standards of the country or region.

  • Page 9: Personnel Requirements

    Personnel Requirements ● Only qualified personnel are allowed to operate the equipment, including transportation, transfer, installation, wiring, and maintenance. When operating the equipment, they must wear protective equipment that meets local safety requirements. ● Operators must pass relevant training and exams provided by our company to possess professional knowledge of energy storage systems.

  • Page 10: Product Description

    2 Product description 2.1 Product Introduction The industrial and commercial energy storage system (KuBank) is composed of energy storage inverter system, energy storage battery system, local energy management system, temperature control system, electrical distribution unit, and fire protection system, which is mainly used in industrial and commercial scenarios.

  • Page 11: Internal System Design

    2.3 Internal System Design 2.3.1 Battery Figure 2-4 Diagram of battery cell Item Data 280Ah Rated capacity 896Wh Rated energy 3.2V Rated voltage Voltage range 2.8V~3.6V 2.3.2 Battery Module Figure 2-5 Diagram of battery module Item Data 61.824kWh Rated energy 220.8V Rated voltage 193.2V~248.4V...
  • Page 12 Max continuous 180A Charging circuit Charge/Discharge methods 12 / 70...

  • Page 13: Pcs (Iec Version)

    2.3.4 PCS (IEC version) 2.3.4.1 Structure Layout Figure 2-6 Structure layout diagram (IEC version) Table 2-1 Component illustration Mark Name Illustration Strip indicator Indicate the work status of PCS B+/B- DC terminals Wiring terminals of DC side. AC U/V/W AC terminals Wiring terminals of AC side.

  • Page 14: Pcs (Ul Version)

    Figure2-7 Strip indicator panel Table2-2 Indicator status illustration No. Mark Color Name Status illustration On: the inner power of the PCS has been Operation established. power POWER Green Off: the inner power of the PCS has not indicator been established. On: the battery has been connected and Battery meets the work condition.
  • Page 15 Table2-3 Component illustration Description Air exit (grill) Fault indicator lamp Run indicator lamp Standby indicator lamp Emergency stop cover Enclosure door latch, lockable (handle and key hole) Front side base cover  Provide access for forklift  Provide access for front side cable routing Figure 2-9 Left and right side structure layout diagram (UL version) Table2-4 Component illustration Description...

  • Page 16: Pcs (Jp Version Version)

    Figure 2-10 Rear side structure layout diagram (UL version) Table2-5 Component illustration Description Rear panel Rear air inlet filter Rear base cover  Provide access for forklift  Provide access for front side cable routing 2.3.6 PCS (JP version version) 2.3.6.1 Structure Layout Figure 2-11 Front side structure layout diagram (JP version) 16 / 70...
  • Page 17 Table2-6 Component illustration Description Air exit (grill) Display panel (keypad and display) DC disconnect, emergency stop button Front access door Air outtake (filters) Air intake (filters) Enclosure door latch, lockable (handle and key hole) AC and DC disconnect switches Front side base cover ...
  • Page 18 Figure 2-13 Display panel (JP version) Table2-8 Component illustration Description On button (Disabled) OFF button (Disabled) Standby mode Run mode Fault mode Function mode 18 / 70...

  • Page 19: Cooling System

    2.3.7 Cooling system Figure 2-14 Cooling system Item Data Coolant medium 50%EG 0.3bar ~ 3bar Working pressure ≤75kg Weight 0 ~ 4.5kW Power range Compressor rated power 3 Transport and Storage 3.1 Precautions Batteries must be loaded and unloaded in accordance with local laws, regulations, and industry standards.

  • Page 20: Storage Requirements

    Shipping conditions ● If the battery pack collides, falls, smokes, or catches fire before shipment, please follow the emergency response plan for corresponding operations. Otherwise, shipment is prohibited. ● Before shipment, the energy storage system must be inspected. The box should be intact and undamaged, the cabinet door should be closed and locked, and there should be no foreign objects protruding from the box, no smoke or burning smell.
  • Page 21 ● Before storage, the cabinet door and all internal equipment doors of the energy storage system should be securely locked. ● Storage temperature range: -30℃~+60℃, recommended storage temperature: -30℃~+25℃. ● Due to capacity degradation that occurs during long-term battery storage, it is not recommended to store batteries for extended periods.

  • Page 22: Mechanical Installation

    4 Mechanical Installation Warning: In the whole process of mechanical installation, it is necessary to strictly comply with the relevant standards and requirements of the project site. 4.1 Preparation before installation Description: ● The graphic tool is for reference only, please refer to the actual product. ●...
  • Page 23 Wire stripping Wire cutter Rubber hammer Art knife pliers Hydraulic tongs Marker pen Multimeter DC Crystal head wire crimping pliers voltage range≥1500V DC Steel tape measure Level ruler Vacuum cleaner Percussion drill Heat shrinkable HOT AIR GUN Cable tie Percussion bit Ф16mm sleeve Insulated ladder...

  • Page 24: Inspection Before Installation

    Personal protective tools: Insulating gloves Protective gloves Goggles Dust mask Safety helmet Safety belt Insulating shoes Reflective Vest Inspection Before Installation 4.2.1 Deliverables Inspection Check whether deliverables are complete against the attached packing list. 4.2.2 Product Inspection  Check if the actual cabinet received matches the ordered model. ...

  • Page 25: Foundation Requirements

    4.3.2 Foundation Requirements Warning: This product is very heavy as a whole. Before the foundation construction, a detailed inspection of the installation site (mainly referring to geological and environmental climate conditions, etc.) should be conducted to confirm that all requirements are met before the design and construction of the foundation can proceed.

  • Page 26: Installation Spacing Requirement

    4.3.3 Installation Spacing Requirement To ensure that the equipment can be better dissipated and maintained, reserve enough space around the installation site. The following figure shows the required minimum spacing. Figure 4-1 Recommended installation space for IEC version Figure 4-2 Recommended installation space for UL version...
  • Page 27 Figure 4-3 Recommended installation space for JP version...

  • Page 28: Installation Foundation Requirements

    4.4 Installation Foundation Requirements Install the foundation according to the diagram below: Figure 4-4 Installation foundation diagram for IEC version Figure 4-5 Installation foundation diagram for UL version...
  • Page 29 Figure 4-6 Installation foundation diagram for JP version...

  • Page 30: Forklift Transport

    4.5 Forklift Transport If the installation site is flat, you can use a forklift to move the products. The bottom of the product is equipped with base openings specially used for forklift transportation. Move the products through the side base openings. If a forklift is used, the following requirements should be met: The forklift should be equipped with sufficient load capacity.
  • Page 31 Figure 4-8 Forklift transportation for UL version Figure 4-9 Forklift transportation for JP version...

  • Page 32: Anchoring Enclosure

    4.6 Anchoring Enclosure Hoist the cabinets to the intended location and prepare to weld it. Secure the cabinets to the foundation by welding or with the L-shaped angle steels. Fixed by Welding Secure the bottom of the cabinets to the foundation by welding. Take proper painting measures to prevent the welding point from corrosion.
  • Page 33 Anchoring Method...

  • Page 34: Electrical Connection

    5 Electrical Connection 5.1 Preparation before wiring 5.1.1 Installation tools Safety gloves Goggles Safety shoes Protective clothing Torque screwdriver Wire stripper Hydraulic pliers Heat gun Multimeter Screwdriver Torque wrench 5.1.2 Cables Prepare The cables must meet the following requirements: The current carrying capacity of the cable meets requirements. Factors affecting the current carrying capacity of a conductor include but are not limited to: Environmental conditions.

  • Page 35: Connection Area Diagram

    Figure 5-1 Cable inlet of the auxiliary power and signal 5.2.2 Connection area diagram The following figure shows the cable connection area for connecting the energy storage cabinet to external devices: Figure 5-2 Wiring area diagram 5.2.3 Cable connection terminals and cable specifications Cable connection terminals for connecting the energy storage system to external devices include: Auxiliary power terminal, Communication and dry contact terminal.
  • Page 36 terminal(PE) E-stop input signal X11:1,X11:2 800V,24A terminal Reserve dry contact X11:3,X11:4 800V,24A Reserve CAN contact X11:5,X11:6 800V,24A Reserve RS485 contact X11:7,X11:8 800V,24A Table 5-1 Description of Energy Storage Cabinet terminals (IEC VERSION) Auxiliary power terminal, Figure 5-3 Auxiliary power terminal (L/N) (XD1) Straight-through terminal, nominal working voltage: 1000 V, rated current: 32 A, connection quantity: 2, connection mode: straight-plug connection, rated connection capacity: 4 mm2, cross section: 0.2 mm2-6 mm2, installation mode: NS...

  • Page 37: Ac Wiring Connection

    the phase terminal of the AC cable : L1 is the L1 phase, N is the zero phase, and PE is grounded. Fix the AC cable to the L1, N, and PE terminals. Dry contact input terminal specification as follow: Figure 5-5 (X11:1~X11:8) Terminal diagram Straight-through terminal, nominal working voltage: 800 V, rated current: 24 A, connection quantity: 2, number: 1, connection mode: straight-plug connection,...

  • Page 38: Terminal Description (Iec Version)

    Figure 5-7 Wiring area diagram(IEC version) 5.3.3 Terminal Description (IEC version) AC wiring terminal specification as follow: Figure 5-8 Main circuit terminal(L1/L2/L3) (XD0) terminal (IEC version) High current terminal, nominal working voltage: 1000 V, rated current: 192 A, connection quantity: 2, number: 1, connection mode: screw connection, rated connection capacity: 70 mm2, cross section: 16 mm2-95 mm2, installation mode: NS 35/7,5, NS 35/15, NS 35/15-2,3, NS 32, Color: gray.

  • Page 39: Cable Inlet Of The Ac Wiring (Ul Version)

    5.3.4 Cable inlet of the AC wiring (UL version) The AC wiring for the energy storage cabinet can enter the energy storage cabinet through the cable entrance at the bottom or the cable entrance on the side. Figure 5-9 Cable inlet of the AC wiring (UL version) 5.3.5 Connection area diagram (UL version) The following figure shows the AC cable connection area for connecting the battery cabinet to external devices:...

  • Page 40: Cable Inlet Of The Ac Wiring (Jp Version)

    AC wiring cables specification and installation instructions as follow: AC wiring cables connection 1. Ac cables: Prepare eight 2AWG cables. Use two 2AWG cables for each phase.600V cable for AC connection. PCS support Three-phase/four-wire AC connection, L1, L2, L3 phase and neutral terminals. Connect the AC cable to the two-hole connector and use a hot sleeve to prevent exposure the naked part.

  • Page 41: Terminal Description (Jp Version)

    Figure 5-14 Wiring area diagram (JP version) 5.3.9 Terminal Description (JP version) AC wiring: Prepare AC cables: Prepare six 1/0 ~ 2 AWG size, 600V cables for AC wiring. The PCS supports 3-phase/3-wire connection type AC wiring with L1, L2 and L3 phase terminals, and each phase terminal requires two cables to connect.

  • Page 42: Safety Precautions

    5.4.1 Safety precautions Before starting the wiring, the following items should be carefully checked: 1. Measure the open circuit voltage on the battery side to ensure that the open circuit voltage does not exceed the maximum DC voltage of the energy storage converter. 2.

  • Page 43: Tool Preparation

    wear resistance and earthquake resistance. • All connections must meet the requirements of relevant national standards to prevent various forms of arc discharge. • The connection between the internal battery must have a seismic anti-loosening device, and the connection of temperature, voltage and current sensors should also be safe and reliable to prevent loosening, aging and extrusion.
  • Page 44 orange, the negative is black. The aircraft makes a "click" sound when the plug is firmly inserted. Step 3: Connect pack to BMS box cable: 1. Connect the BAT+ (total positive) of Pack4# to the B+ of the BMS box; 2.

  • Page 45: Power Up And Shutdown

    6 Power up and Shutdown 6.1 Power up Warning: • The Turnkey Station can only be put into operation after confirmation by a professional and approved by the local power department. • For Turnkey Stations with a long shutdown time, it must be checked thoroughly and carefully to ensure all indexes are acceptable before powering up.

  • Page 46: Shutdown

    Step 1 Press the UPS power button to light up the UPS screen. Press the UPS power button again for about 1.5 sec, and then the UPS will output 220V power; Step 2 Power the distribution system 1. Close the auxiliary power supply main switch(UL version). 2.

  • Page 47: Emergency Shutdown

    Step 2 Disconnect the AC circuit breaker. Step 3 Turn off the power switch of the BMS box so that the internal DC contactor will be disconnected. Step 4 Turn the handle of BMS box to "OFF". Step 5 Turn off the power distribution switches. Step 6 Power off the UPS.

  • Page 48: Deployment Commissioning

    7 Deployment commissioning Preconditions The system has been powered on. The battery pack cell temperature is within the set temperature range (5℃~45℃）. 7.1 Confirmation of information Operation procedure: Step 1 Make sure the LEMS interface is lit and displayed, and the homepage is shown in the following figure, Step 2 Verify that the data on the homepage is consistent with the actual data.
  • Page 49 Step 4 On the real-time system information page, check whether the basic system information and alarm information are correct.
  • Page 50 Step 5 On the String information page, check whether the String information and system topology are correct. Step 6 Click More >> Parameter Configuration >> System Parameter >> Protection Parameter >> String Basic Parameter to set and confirm String parameters. Step 7 Choose More Operations >>...
  • Page 51 Step 8 Check whether the data of PCS and auxiliary control equipment is correct.

  • Page 52: Load Limiting And Anti-Reverse Current Setup

    7.2 Load limiting and anti-reverse current setup Step 1 Tap More Operations >> Protection Parameter Settings >> Demand Protection Policy. The Electric demand protection page is displayed. Parameter Setting ins tru ctions Setting of Electric This value is the maximum power value of the gate meter. demand When the power exceeds this value, the energy storage system will reduce the charging power.

  • Page 53: System Boot

    Parameter Setting ins tru ctions Threshold This value is the minimum power allowed by the gate meter. When the power is lower than this value, the energy storage system will reduce the discharge power. Return difference When the gate meter is within the range of (critical value + of Power power back difference value), the power output of the energy storage system maintains the previous calculation result.

  • Page 54: Export Historical Data Log And Stored Data

    7.4 Export historical data log and stored data Step 1 Insert a USB flash drive into the LEMS. Step 2 Click to go to More Operations >> Running Monitoring >> Historical Data >> USB Flash Drive Export. Step 3 Select String, event end, USB flash drive, Time interval, and click Export.

  • Page 55: Fire Suppression

    Fire Suppression Equipment KuBank includes an aerosol fire suppression system that can effectively extinguish the fire. It is equipped with combustible gas detectors, smoke detectors, and temperature and humidity sensor. If any abnormality is detected, the system sends a signal to the station-level alarm host through the electrical compartment external terminal for early warning of fire.

  • Page 56: Aerosol Fire Suppression System

    8.3 Aerosol Fire Suppression System Kubank is equipped with an aerosol fire suppression system. When the concentration of smoke and combustible gas in the cabinet reaches the threshold, the aerosol fire extinguishing system will automatically start，The system control block diagram is shown below.

  • Page 57: Preventative Maintenance

    9 Preventative Maintenance 9.1 Precautions Before Maintenance • Do not open the door to maintain the device in rainy, humid or windy days. • Avoid opening the container door when the humidity is high in rain, snow or fog, and make sure that the seals around the container door do not curl when the door is closed.
  • Page 58 Check whether there are foreign objects, dust, dirt, and condensed water inside the integrated energy Inside the container storage system Check whether there is abnormal noise in the running of PCS Check the temperature of the radiator and the amount of dust accumulated. Air inlet and outlet Clean heat-dissipation modules with a vacuum cleaner if necessary...

  • Page 59: Liquid Cooling System Maintenance

    Check the cleanness of the circuit board and other elements and components. Check the temperature of the radiator Internal components and the amount of dust accumulated. inspection Clean heat-dissipation modules with a vacuum cleaner if necessary Replace the air filter screen when necessary Carry out regular inspection for corrosion of all metal components...

  • Page 60: Fans Maintenance

    Maintenance Detection Maintenance Standard Item Mode reliability check The coolant circulation system has no leakage Chiller Visual The chiller is clean and dust-free and free of dirt appearance check 9.3.2 Fans Maintenance Maintenance Maintenance Maintena Detection Troubleshooting Item Standard nce Cycle Mode Clean the dust of There is no dust in...

  • Page 61: Electrical Control System Maintenance

    9.3.3 Electrical control system maintenance Maintenance Maintenance Maintena Detection Troubleshooting Item Standard nce Cycle Mode Tighten the loose cables and No looseness of Visual terminals with a 6 months electrical cables inspection screwdriver after and terminals 1 minute of power off.
  • Page 62 Maintenance Maintenance Maintena Detection Troubleshooting Item Standard nce Cycle Mode Use tools such as a Fins Visual fin comb to correct 6 months seriously deformed inspection it after 1 minute of power off. The above maintenance intervals are only recommended values, you can adjust them according to actual planning.

  • Page 63: Coolant Maintenance

    9.3.5 Coolant maintenance Maintenan Maintenance Maintena Detection Troubleshooting ce Item Standard nce Cycle Mode Concentration  meets range requirements The PH value and  Coolant  Replace the the concentration tester coolant after 1 Coolant 6 months of each electrolyte minute of power Visual ...

  • Page 64: Fire Protection System Maintenance

    9.4 Fire protection system maintenance 9.4.1 Visual check Maintena Maintenance Item Check method nce Cycle Make sure there are no changes that affect device performance. Check for changes in usage, Every changes in environmental Smoke detector quarter conditions, equipment location, physical obstacles, equipment orientation, physical damage, and cleanliness.

  • Page 65: Batteries Maintenance

    Test Test Test method failure cause Solution item cycle Recommen Annuall Test with calibrated Unable to ded total Detector gas. trigger alarm replacement  No alarm  The alarm Test whether the sound is below alarm sound is the specified 94~97 dB(A) when value Recommen...

  • Page 66: Maintenance Precautions

    leakage leakage Check whether the grounding is correct. Grounding The grounding resistance should not be greater than 4Ω. Check the ambient temperature record to see whether the temperature is within the Check the operating range ambient temperature Check the ambient humidity record to and humidity ensure that the humidity is within the operating range...

  • Page 67: Maintenance

    9.7 Maintenance  The working temperature should be kept between5℃~45℃. The desired temperature charging and discharging should be 15℃~30℃ and typically 25℃.  The String should not be charged or discharged with high magnifying power. The continuous charging and discharging current of a single String should not exceed the rated current.

  • Page 68: Appendix

    10 Appendix 10.1 KuBank Specification (IEC version) DC Parameters CSI-KuBank-S-247-2h-IEC Battery Chemistry Lithium Iron Phosphate (LFP) Pack Configuration 1P69S (69 Cells) System Configuration 1P276S (4 Packs) DC Voltage (Nominal) 883.2 Vdc DC Voltage Range 772.8 Vdc ~ 993.6 Vdc Rated Energy Capacity 247 kWh Max.

  • Page 69: Kubank Specification (Jp Version)

    10.2 KuBank Specification (JP version) DC Parameters CSI-KuBank-S-247-2h-JP Battery Chemistry Lithium Iron Phosphate (LFP) Pack Configuration 1P69S (69 Cells) System Configuration 1P276S (4 Packs) DC Voltage (Nominal) 883.2 V DC Voltage Range 772.8 V ~ 993.6 V Rated Energy Capacity...

  • Page 70: Kubank Specification (Ul Version)

    10.3 KuBank Specification (UL version) DC Parameters CSI-KuBank-S-247-2h-UL Battery Chemistry Lithium Iron Phosphate (LFP) Pack Configuration 1P69S (69 Cells) System Configuration 1P276S (4 Packs) DC Voltage (Nominal) 883.2 V DC Voltage Range 772.8 V ~ 993.6 V Rated Energy Capacity 247 kWh Max.

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Csi-kubank-s-247-2h-iecCsi-kubank-s-247-2h-jpCsi-kubank-s-247-2h-ul

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