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marvelTech MHSI-01LP3 User Manual
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marvelTech MHSI-01LP3 User Manual

Three phase hybrid inverter
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Three Phase Hybrid Inverter
MHSI-01LP3 (5/6/8/10/12/14K)
User Manual

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Summary of Contents for marvelTech MHSI-01LP3

  • Page 1 Three Phase Hybrid Inverter MHSI-01LP3 (5/6/8/10/12/14K) User Manual...

  • Page 3: Table Of Contents

    Contents Cautions ......................1 1 General Introduction ................. 2 1.1 Brief Description ........................2 1.2 Product Features ........................2 1.3 Product Appearance Introduction ................... 3 1.4 Product Size ........................... 5 1.5 System structure ........................6 1.6 Inverter parameter ........................6 2 Installation Instructions ................
  • Page 4 3.2.5 Safety setting ......................36 3.2.6 Operating Mode Settings ..................38 3.2.7 System Setup ......................39 3.3 Events Display ........................39 3.4 Device Info ........................... 39 4 Operation and maintenance ..............41 4.1 Trial run ..........................41 4.1 Stand-alone operation and logic description ................ 41 4.1.1 Enter working mode to set path ................

  • Page 5: Cautions

    Cautions Before using this product, please read the instruction manual carefully. Non-professionals should not disassemble the machine, wrong reassembly may cause electric shock or fire. If you need maintenance or repair, please contact the after-sales service center. For your safety, please disconnect all power and cables of this equipment before maintenance or cleaning.

  • Page 6: General Introduction

    1 General Introduction This manual mainly introduces product information, functional operation, equipment installation and maintenance guidelines. This brochure does not cover all information related to photovoltaics. 1.1 Brief Description The hybrid inverter intergrate PV power generation and energy storage, it fouse on provide high power generation and stable power supply.

  • Page 7: Product Appearance Introduction

    1.3 Product Appearance Introduction The appearance of this product and its various descriptions are shown in Figure 1.1 and Table 1.1 below. Table 1.1 Description of product componets i t i i t p g i l i t c o t t e t t r a t...
  • Page 8 Figure 1.1 Overview of Hybrid Inverter Appearance...

  • Page 9: Product Size

    1.4 Product Size Size W*H*D mm 550x641x290. Weight kg 45 .

  • Page 10: System Structure

    1.5 System structure As shown in Figure 1.2, it shows the basic application of the solar-storage integrated machine, and its complete operating system also includes: diesel generators, power grids, and photovoltaic modules. Depending on your requirements, other possible system architectures are available from your system integrator.

  • Page 11: Installation Instructions

    2 Installation Instructions 2.1 Installation preparation 2.1.1 Installation Notes Reiterated This device is designed for outdoor use IP65 , please ensure that the installation site meets the following conditions: out of direct sunlight. Not in areas where highly flammable materials are stored. Not in potentially explosive area.

  • Page 12: Installation Tool Preparation

    2.1 to ensure sufficient heat dissipation and enough space to remove the stitches. For proper air circulation to dissipate heat, leave a gap of approximately 1000mm. Lateral 500mm, upper and lower 500mm, and anterior outflow of 1000mm. Figure 2.1 recommended reserved distance around the equipment 2.1.3 Installation tool preparation Phillips screwdriver specification: PH2, moderate length , diameter 5.5mm, 10mm, 13mm wrench or sleeve for M3, M6, M8 outer hexagon screws...
  • Page 13 Table 2.1 Product list details Serial Item name/specification Quantity Remarks number r e t i t c Hardware/screws/stainless steel built-in expansion screws, hexagonal For securing the internal expansion bolts, M8*80 chassis For fixing small i a t i t a enclosures For fixing large i a t...
  • Page 14 t s i s l i...

  • Page 15: Introduction Of Equipment Terminal

    2.2 Introduction of equipment terminal The function of the keys near the LCD is shown in figure 2.3.The function of the connection socket and through hole at the bottom of the equipment is shown in figure 2.4. the function of the button and knob on the side of the equipment is shown in figure 2.5.
  • Page 16 Figure 2.5 definition of side buttons and knobs on the device Fig. 2.6 schematic diagram of internal and external interface board of equipment...

  • Page 17: Wall Mount

    Table 2.2 definition of device internal external interface board Pin tags IN1+ IN1- IN2+ IN2- IN3+ IN3- RSD+ RSD- Definition 12V+GND COM4 COM3 COM2 COM1 Definition Reserve for spare Grid relay control Gen adjustment control Gen start control BAT-TEMP ISOGND2 CT1+ CT1- CT2+...

  • Page 18: Battery Wiring Work

    Take the equipment out of the package and secure the small bracket to the equipment with 4 M6 16 bolts, as marked in figure 2.7. tighten the bolts, remove the large bracket from the back of the equipment, and mark the installation wall according to the four bolt position dimensions 250X200mm in the middle of the large bracket panel in figure 2.8.

  • Page 19: Battery Communication Cable Connection

    Table 2.3 Recommended cable example Load power Cable size Cable size mm Torque value 5 kW 1AWG 24.5Nm 6 kW 1AWG 24.5Nm 8 kW 1/0AWG 24.5Nm 10 kW 3/0AWG 24.5Nm 12 kW 4/0AWG 24.5Nm 14 kW 4/0AWG 24.5Nm All wiring must be carried out by professionals! Please select the appropriate battery cable and bolt, find the "Battery end hole"...

  • Page 20: Power Grid, Load, Gen Wiring

    and the definition of the communication connection line is shown in Table 2.2. 2.5 Power grid, load, GEN wiring Before connecting to the grid, please install a separate AC circuit breaker between the equipment and the power grid. In addition, it is recommended to install an AC circuit breaker between the spare load and the equipment.

  • Page 21: Photovoltaic Wiring

    complete. Then insert the AC output wire according to the polarity marked on the terminal and tighten the terminal. Be sure to connect the corresponding N and PE wires to the relevant terminals to ensure that the wires are firmly connected. Electrical appliances such as air conditioners need at least 2-3 minutes to restart because they need enough time to balance the refrigerant gas in the loop.
  • Page 22 starting voltage of the integrated photovoltaic storage machine. Photovoltaic module wiring 1 Turn off the main AC circuit breaker of the power grid. 2 Close the DC circuit breaker. 3 Assemble the photovoltaic input connector as shown in Figure 2.11 at the bottom of the device.

  • Page 23: Ct Wiring

    Figure 2.13 Crimping clamp crimping metal terminal 3.Insert the stylus into the top of the connector and screw the cover nut to the top of the connector. figure 2.14 . 4.Finally, insert the photovoltaic DC connector into the positive and negative input of the Hybrid inverter, as shown in figure 2.15.

  • Page 24: Meter Connection

    Figure 2.16 schematic diagram of external CT wiring and battery temperature sampling wiring 2.8 Meter connection As show in figure. 2.17 Meter wiring diagram.The solid line on the left shows the Eastron SDM630 is connected. The dotted line on the right shows CHNT DTSU666 is connected. See the actual model wiring.

  • Page 25: Ground Connection

    2.9 Ground connection To prevent electric shock, connect the ground cable on the power grid side to the inverter. Fasten the bottom line in the "ground" bolt hole as shown in Figure 2.18 Fig. 2.18 Schematic diagram of equipment grounding 2.10 WIFI connection For the configuration of Wi-Fi, please refer to the schematic wiring of Wi-Fi socket, and refer to the user manual of WIFI socket for details.

  • Page 26: Display And Setup

    3 Display and setup 3.1 Run data display instructions Note: All LCD passwords are 666666 The topology of the LCD screen is shown in Figure 3.1, and the main interface is shown in Figure 3.2A. The main screen displays information including solar energy, grid, load and battery. It also shows the direction of energy,shown in Figure 3.2B.
  • Page 27 Figure3.1 LCD Topology structure diagram...

  • Page 28: Photovoltaic Data

    Figure3.2B System Overview 3.1.1 Photovoltaic data Click the photovoltaic panel icon on the panel of the main interface to view its annual, monthly, daily, and current electricity statistics, as shown in Figure 3.3~3.6 below. The meaning of Stage on the left side of the interface is shown in Table 3.1.
  • Page 29 Figure 3.4 Monthly Statistical Data of Photovoltaic Power Generation Figure 3.5 Daily statistical data of photovoltaic power generation Table3.1 PV stage illustrate Stage Number Illustrate 101~201 Shutdown PV Stage Standby Normal working...

  • Page 30: Battery Data

    Figure 3.6 All measurement data of photovoltaic power generation 3.1.2 Battery data Click the battery icon on the main interface to view its annual, monthly, daily, and current battery statistics, as shown in Figure 3.7A below. Figure 3.7A Statistical diagram of battery power data, etc. The meaning of Stage on the left side of the interface is shown in Table 3.2.

  • Page 31: Inverter Data

    Figure 3.7B Battery information diagram Table 3.2 DC stage description u l l Shutdown DC Stage Normal off-grid operation 3.1.3 Inverter data Click the middle inverter icon on the main interface to view the running data, as shown in Figure 3.8 below.

  • Page 32: Grid Data

    Figure 3.8 Schematic diagram of inverter operation data Table 3.3 INV-Stage illustrate u l l Shutdown INV Stage Normal grid-connected operation - f f i t a 3.1.4 Grid data Click the grid icon on the main interface to view its annual, monthly, daily, and current electricity statistics, as shown in Figure 3.9 below.

  • Page 33: Load Data

    Figure 3.9 Statistics of power grid electricity data 3.1.5 Load data Click the load icon on the main interface to view its annual, monthly, daily, and current electricity statistics, as shown in Figure 3.10 below. Click DEL on this interface to delete all load power statistics. Click the arrow on the right side of the interface to view the data of other dates.

  • Page 34: Run Parameter Setting

    3.2 Run parameter setting 666666 Note again: the password is when setting the LCD of this device. Click the "Settings" icon on the main interface to enter the system setting interface, as shown in Figure 3.11, from left to right are "Battery Settings", "Grid Settings", "Professional Settings", and "System Settings".
  • Page 35 Lithium Mode :This is BMS protocol.Please reference the document Apprived Battery . Shutdown ,If the SOC is below this setting, the inverter will shut down. Low Bat ,If the SOC is below this setting, the inverter will alarm. Restart ,The device will resume operation when the SOC reaches the set value and the AC output will resume.
  • Page 36 in that figure,3.12 Other battery maintenance settings.According to the setting values of different voltage types in Table 3.1, the default value of temperature compensation coefficient TempCoF/E is -3 . Professional installers use, if you do not know, you can choose not to modify the default.

  • Page 37: Grid Parameter Setting

    the battery will not be charged. Chg Imax-A The maximum current allowed when the battery is charged. Gen Stop SOC-% When no Grid, the battery SOC value is higher than this value, the Gen will automatically stop. Gen Start SOCmax-% When no Grid and the battery SOC value is lower than this value,the Gen will automatically starts for charging the battery.

  • Page 38: Gen Port Function Settings

    frequency range, Grid power limit value, Gen port access type, smart load and AC coupling device function Settings. Figure 3.15 AC Setting 1 3.2.3 GEN port function settings Figure 3.16 AC Setting 2 When the GEN port can be connected to the Gen, intelligent load or AC coupling unit grid- connected inverter , it is necessary to change the GEN interface type in the setting to the corresponding type.
  • Page 39 will automatically start to supply power to the system. When selecting the smart load connected to the GEN interface, select GenPortType as Smartloads in the grid setting interface in Figure 3.16, and the Gen relay will be turned on at this time, and the GEN interface will supply power to the smart load for output.

  • Page 40: Ct Transformation Ratio Setting

    Gen Signal En: Output Gen signal control enablement, including power on and off and speed control control. Gen Mode :According to different types of Gen, inverter operation mode is different, most equipment choose MODE2, if the main interface does not show that the Gen participates in system operation, please switch MODE1.
  • Page 41 Figure 3.18 AC setting interface 3, mainly for safety setting. Specific function Settings are defined as follows: AC setting interface 3 Figure 3.18 Saft Standard : Grid standard, see Table 3.2 .Grid standard code list will be updated from time to time, please refer to the actual product.

  • Page 42: Operating Mode Settings

    Fixed power factor:Fixed power factor.When this type is selected. Please enter the power factor value in Power factor set . Actove power-PF curve :By active power-power factor curve When this type is selected Please enter the power factor and the rate of active power rising in Power factor set and Rising Rate of active power.

  • Page 43: System Setup

    3.2.7 System Setup Click "System Setting" to set relevant parameters of the system, as shown in Figure 3.21, including device time, LCD address, device serial number, read firmware status, BMS address, etc. Click on the BMS PORT list to select the battery brand you are using. If multiple devices are used in parallel with one battery set, please tick BatShareEn.
  • Page 44 Figure 3.22 Historical Information Interface i t a...

  • Page 45: Operation And Maintenance

    4 Operation and maintenance 4.1 Trial run When the device and other device cables such as batteries are properly installed and connected, start the device by following the following steps: The LED flashing signal definition and LCD key definition are described in Table 4.1: Hold down UP and ENTER at the same time to restart the LCD. Turn on the power supply of grid, battery, photovoltaic switch, the LCD will light up.

  • Page 46: Enter Working Mode To Set Path

    Figure 4.1 Schematic diagram of DIP terminal ON 4.1.1 Enter working mode to set path 4.2 schematic diagram of entering the working mode Figure 4.1.2 .Sell First Priority mode of selling electricity.This mode allows hybrid inverters to sell excess photovoltaic power back to the grid, and it can also be sold to the grid when time permits and the battery energy is surplus when the current capacity of the battery is greater than the minimum discharge SOC .

  • Page 47: Zero Ex To Grid Port

    to use the power grid or engine to charge the battery. 4.1.3 Zero Ex To Grid Port This mode hybrid inverter only supplies power to the connected "LOAD" local load. The hybrid inverter will neither provide power for the household load nor sell power to the grid. The built-in CT will keep the detected power flowing to the grid side to zero, while photovoltaic power generation will only provide the local load and charge the battery.

  • Page 48: Parallel Operation And Logical Explanation

    mode interface to charge the battery using the power grid or engine. Figure 4.3 Schematic diagram of setting time curve Inverter No.1(master) Inverter No.2(Slave) Inverter No.3(Slave) Parallel address setting Figure 4.4 Enter the parameter setting diagram of the parallel machine and the address setting of the three machines 4.2 Parallel operation and logical explanation When running in parallel, the internal and external interface board of the first device and the last device is placed as shown in Figure 4.1 K6 dialing code needs to be opened, ON , K8 and K7 are...

  • Page 49: Set Entry Path Description

    dialing code of 2# does not need to be opened. 4.2.1 Set entry path description Click Setting ,display at screen on the home page, and click "Professional Setting" in the setting interface to enter the working mode setting interface and select the address setting of the device, as shown in figure 4.4.
  • Page 50 Figure 4.5 On-grid parallel wiring diagram...
  • Page 51 Figure 4.6 Off-grid parallel wiring diagram...

  • Page 52: Example Of Five Parallel Inverter

    4.3 Example of five parallel inverter 4.3.1 Grid and load connection Figure 4.7 below shows the connection diagram of five inverters (No. 1, 3, 5, 7, 9). K0 is the main circuit breaker of the power grid. K11, K13, K15, K17, K19 are load circuit breakers, K1 is the load circuit breaker.
  • Page 53 ammeter connection, battery connection, and ground cable connection, refer to the previous chapter.) Check whether the positive and negative batteries are consistent. b) Please check whether the parallel cable connection is correct as shown in Figure 4.8. c) Set the K6 DIP switch in the middle of the first and last inverters to ON, and turn off the others. Step 2: a) Only turn on the Grid circuit breaker K0.

  • Page 54: On-Grid Startup Parallel

    breaker(K11,K13,K15,K17,K19) ,make sure all voltage difference of each inverter are near zero. if the voltage difference is not near zero, check the wire connection between inverter load port and load breaker. k) If all are normal, goto fourth step. Step 4: a) Turn on one of the load circuit breakers such as K11.

  • Page 55: Shut Down The Inverter

    is normal. If it is lithium battery or SOC control mode, check whether the SOC value is displayed correctly next to the battery icon on the main interface. c) Close all load circuit breakers (K11, K13, K15, K17, K19). d) Press the round buttons on the side of all slaves. e) Press the round button on the side of the monster f) After the grid relay is closed, check whether the voltage on the load page of the main screen is normal.
  • Page 56 Table 4.2 Device alarm information and handling methods o i t 1.Please check that the ground wire is connected correctly. Insulation_Warning 2.Seek help from us, if you cannot return to normal. 1.Please Check the communication line between the LCD and the control board. Comm_LCD_Lose_Warning 2.Seek help from us, if you cannot return to normal.
  • Page 57 1.Please check whether the BMS communication cable is well connected. BMS Communication Warning 2.If you still alert, please contact us. 1.The output voltage is not within the equipment setting range, and it may be caused by the Grid voltage_Fault device stop. 2.If you still alert, please contact us.
  • Page 58 1.Please check whether the battery voltage is normal. 2.Please check whether the battery voltage setting value of the device is normal The battery DC soft start Failure voltage setting value is between (15 ~ 60) V. 3. Please contact us or battery suppliers if you are alert again. 1.Please check the battery current limit value in the equipment system.

  • Page 59: Product Routine Maintenance Suggestions

    DC_VoltHigh_Fault Restart the equipment, please contact us if you still fail. DC_VoltLow_Fault Restart the equipment, please contact us if you still fail. AC_BackFeed_Fault Restart the equipment, please contact us if you still fail. Heatsink_HiTemp_Fault Overhigh temperature alarm 1.Please check the wiring of the equipment and restart after errors. PV1 arc Failure 2.If the restart failed and reported the error again, please contact us.

  • Page 60: Quarterly Inspection

    4.5.3 Quarterly inspection Tighten the screws on the AC and DC sides of the inverter every six months. Dust the inverter once every three months. In hot weather, open the inverter room vent for ventilation and heat dissipation.

  • Page 61: Attachments

    7 Attachments Network port definition description Pin tags IN1+ IN1- IN2+ IN2- IN3+ IN3- RSD+ RSD- Definition 12V+GND COM4 COM3 COM2 COM1 Definition Reserve for spare Grid relay control Gen adjustment control Gen start control BAT-TEMP ISOGND2 CT1+ CT1- CT2+ CT2- CT3+ CT3-...

  • Page 62: Ct Size And Model

    CT size and model CTSA016 100A:50mA...

  • Page 63: Hybrid Inverter Data

    Hybrid Inverter data MHSI-5K-01LP3 MHSI-6K-01LP3 MHSI-8K-01LP3 MHSI-10K-01LP3 MHSI-12K-01LP3 MHSI-14K-01LP3 Product type Battery Input Data e t t i - i e t t a t l Max. Charging Current 120A 130A 200A 220A 250A 280A Max. Discharging Current 120A 130A 200A 220A 250A...
  • Page 64 i t c t a r i t c a t l i t c I I I Certification and Standards i t a IEC/EN 62109-1 IEC/EN 62109-2,IEC/EN 61000-6-1,IEC/EN 61000-6-2, IEC/EN 61000-6-3, IEC/EN EMC/Safety Regulation 61000-6-4 General Data i t a 45~60°C 45°C Derating i l o...

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