CPS SCH275KTL-DO/US-800 User Manual
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CPS SCH275KTL-DO/US-800 User Manual

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USER MANUAL
SCH275KTL-DO/US-800 Grid-Tied PV Inverter
CHINT POWER SYSTEMS AMERICA CO., LTD.
REVISION 1.0 NOVEMBER 2021

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Summary of Contents for CPS SCH275KTL-DO/US-800

  • Page 1 USER MANUAL SCH275KTL-DO/US-800 Grid-Tied PV Inverter CHINT POWER SYSTEMS AMERICA CO., LTD. REVISION 1.0 NOVEMBER 2021...

  • Page 2: Table Of Contents

    Table of Contents Table of Contents Preface ..................4 IMPORTANT SAFETY INSTRUCTIONS ........ 5 Warnings and Symbols in this Document .......... 5 Markings on the Product ..............6 Safety Instructions of Operating the PV Inverter ....... 7 Product Introduction ............10 Inverter for Grid-tied PV Systems............
  • Page 3 Table of Contents Pre-commissioning Checks ............. 32 5.1.1 Mechanical Installation ............32 5.1.2 Cable Connections ..............32 5.1.3 Electrical Check............... 32 Commissioning Steps ..............32 APP Interface and Setting ........... 33 APP Download ................. 33 APP Setting ..................33 Structure Tree of App Interface ............36 Main Menu ..................

  • Page 4: Preface

    Preface Preface Thank you for choosing a CPS Grid-tied PV Inverter (hereinafter referred to as “PV Inverter”) developed by CHINT POWER SYSTEMS AMERICA CO., LTD (hereinafter referred to as "CPS"). This PV Inverter is a high performance and highly reliable product specially designed for the North American Solar market.

  • Page 5: Important Safety Instructions

    （SAVE THESE INSTRUCTIONS） Please read this user manual carefully before the installation and operation of this PV Inverter. CPS reserves the right to refuse warranty claims for equipment damage if users fail to install the equipment according to the instructions in this manual.

  • Page 6: Markings On The Product

    IMPORTANT SAFETY INSTRUCTIONS indique une situation dangereuse qui, si elle n'est pas évitée, pourrait entraîner un fonctionnement anormal de l'équipement ou la perte de biens. IMPORTANT! INSTRUCTION indicates important supplementary information or provides skills or tips that can be used to help you solve a problem or save you time.

  • Page 7: Safety Instructions Of Operating The Pv Inverter

    IMPORTANT SAFETY INSTRUCTIONS WARNING: For continued protection against risk of fire, replace only with same type and ratings of fuse. Refer to instruction manual for details. ATTENTION: Pour continuer d'assurer la protection contre les risques d'incendie, il faut remplacer les fusibles de même type et courant.
  • Page 8 IMPORTANT SAFETY INSTRUCTIONS Do not operate or maintain the inverter until at least 5 minutes after disconnecting all sources from DC and AC sides. The DC conductors of this PV system are normally ungrounded but will become intermittently grounded without indication when the inverter measures the PV array isolation.
  • Page 9 IMPORTANT SAFETY INSTRUCTIONS NOTICE! This inverter is designed to connect AC power only to the public grid. Do not connect the AC output of this equipment directly to any private AC power equipment. IMPORTANT! Please check with your local electricity supply company before selecting a Grid Code.

  • Page 10: Product Introduction

    Product Introduction Inverter for Grid-tied PV Systems CPS 3-Phase String Inverters SCH275KTL-DO/US-800 series are designed for Commercial and Utility scale PV grid-tied systems. The system is generally made up of PV modules, DC power distribution equipment, PV inverter and AC power distribution equipment, as shown in Figure 2-1.

  • Page 11: Product Features

    General Introduction Product Features  High conversion efficiency Advanced 3-level conversion technology with SVPWM Max. efficiency: 99% CEC efficiency: 98.5%  Grid adaptability IEEE 1547 2003, IEEE 1547 2014, IEEE 1547 2018, Rule 21, and ISO-NE standards applicable Reactive power adjustable PF value: ±0.8, Remote Curtailment ...

  • Page 12: Smart Inverter Functions And Default Activation

    General Introduction Smart Inverter Functions and Default Activation Function IEEE1547-2018 Rule 21 ISO-NE Anti-islanding Enabled Enabled Enabled Low/High Voltage Ride-through Enabled Enabled Enabled Low/High Frequency Ride- Enabled Enabled Enabled through Dynamic Volt/VAR Operation Enabled Enabled Enabled Ramp Rate Enabled Enabled Enabled Fixed Power Factor Disabled...

  • Page 13: Mechanical Installation

    Mechanical Installation Mechanical Installation Unpacking for Inspection All the delivery items are shipped in one package, which includes the inverter, mounting bracket, four PE accessory bags and one zip file bag. Before performing installation, check the product for any obvious damages or if the items on the delivery list are complete.

  • Page 14: Installation Precautions

    Mechanical Installation M10 spring washer For mounting bracket. M12 nut For AC terminal block M12 flat gasket For AC terminal block M12 spring washer For AC terminal block M12 big flat gasket For AC terminal M6x18 screw with plastic Spare for front cover flat washer Handle Carry the inverter.

  • Page 15: Installation Requirements

    Mechanical Installation Installation Requirements 3.3.1 Environment Requirements The installation of the inverter shall meet the following environment requirements. Figure 3-2 Environment requirements NOTICE! If the installation environment allows, avoiding direct sunlight from the inverter, avoiding direct rain and snow, can extend the life of the inverter.

  • Page 16: Installation Procedures

    Mechanical Installation Figure 3-4 Space Requirements A: Keep a proper distance between the inverter and the shelter to ensure good ventilation. B: The inverter can be installed at an angle of 75° ~90° while its back shall not be shielded to ensure good ventilation. C: Two inverters can be installed back to back, and proper distance shall be kept to ensure good ventilation.
  • Page 17 Mechanical Installation Figure 3-5 Hole positions of mounting bracket Drill holes with a Ф12mm drill at the marked position, and then fasten the mounting bracket ① on the installation structure with six M10x50 hexagon combination screws ② included in the PE accessory bag. Tools required: 16mm hex socket wrench, torque: 12.5N.m,110 lbf-in.
  • Page 18 Mechanical Installation Figure 3-7 Lifting sling Manual mounting: Three people are needed to properly lift the inverter by the handle positions marked in Figure 3-8, and mount the inverter onto the mounting bracket. Figure 3-8 Handle positions CAUTION! The total weight of the inverter is approx. 119 kg (262.4 pounds). Ensure the mounting bracket is properly installed before hanging the inverter on the bracket.

  • Page 19: Install The Wifi Module

    Mechanical Installation Figure 3-9 Fasten the inverter 3.4.2 Install the WIFI Module Remove the two M4x10 fixing screws on the DB9 connector cover, as shown in Figure 3-10. Figure 3-10 Expose the connector Rotate the cover to expose the connector and then install the WIFI module with the two screws just removed.

  • Page 20: Electrical Connection

    Electrical Connection Electrical Connection Schematic Diagram and Circuit Design The electrical schematic diagrams of inverter are as shown in Fig. 4-1a and 4-1b. DC Switch PV Input MPPT1 DC/AC PV1+ PV2+ LC Filter PV1- AC Relay AC Output PV2- MPPT2 PV3+ PV4+ PV3-...

  • Page 21: Tools Required And Torque Values

    Electrical Connection Tools Required and Torque Values Tools Usage Torque value No.2 Phillips head DC Cable 3 N.m, 26.5 lbf-in screwdriver 18mm hex socket AC terminal block L1-L3 31 N.m, 274.4 lbf-in wrench 10mm hex socket External grounding 6 N.m, 53 lbf-in wrench flat Internal grounding bar...

  • Page 22: Internal Connection Points

    Electrical Connection 4.4.2 Internal Connection Points The internal connection points of inverter are as shown in figure 4-3. Figure 4-3a Internal connection points of 36 input inverter Figure 4-3b Internal connection points of 24 input inverter Item name DC input fuse holder/terminal (NA for 24 input inverter) DC Ground AC output terminal block AC Ground...

  • Page 23: Electrical Cable Connection

    Electrical Connection Electrical Cable Connection CAUTION! The cables shall be connected in accordance with the National Electrical Code NFPA 70, CSA C22.1 and all other applicable local codes or jurisdictions. WARNING! This unit is not provided with a GFDI device. This inverter or charge controller must be used with an external GFDI device as required by the Article 690 of the National Electrical Code for the installation location.

  • Page 24: Ac Wiring

    Electrical Connection Figure 4-5 Internal DC and AC Ground Terminals Figure 4-6 External Ground Cable Connection IMPORTANT! There are no differences on Internal DC and AC Ground Terminals, External Ground Cable Connections, and AC wiring terminals between 24 input inverter and 36 input inverter. Therefore, only the latter will be taken as an example in the context.
  • Page 25 NEC calculations. The internal temperature of the AC Panel must be considered and appropriate derating applied to prevent nuisance tripping. Inverter model Max AC OCPD CPS SCH275KTL-DO/US-800 300A Table 4-5 Specification of AC OCPD The inverter operates at 800VAC output. If another voltage/configuration is required, a transformer may be necessary.

  • Page 26: Dc Wiring

    Electrical Connection Figure 4-8 Supported IT power grid Up to 20 inverters may be connected in parallel for use with a single transformer. 4.5.3 DC Wiring DC fuse configuration The inverter is equipped with 20A DC fuses. Customers must verify that the appropriate fuses are installed depending on the actual configuration of PV strings.
  • Page 27 Electrical Connection DC Cable Connection To ensure the optimum performance of the inverter, please read the following guidelines before performing any DC connections:  Confirm the DC configuration and ensure that the maximum open circuit voltage of the PV modules is lower than 1500VDC under any conditions;...
  • Page 28 Electrical Connection Figure 4-10a Connect the DC cable to fuse holder Figure 4-10b Connect the DC cable to DC terminal NOTICE! The use of ferrules is recommended for all stranded wire connections. 28 / 79...

  • Page 29: Communication Cable Connection

    Electrical Connection Communication Cable Connection The inverter supports industry standard Modbus RS485 communication. 4.6.1 Communication Board Figure 4-11 Communication Board Item names Picture Configuration RS485 port 6 - RS485_GND (Common) 6-pin connector plug 5 - RS485_B 4 - RS485_A 3 - RS485_GND (Common) 2 - RS485_B 1 - RS485_A S201 Selector switch...

  • Page 30: Communication Cable Connection

    Electrical Connection 4.6.2 Communication Cable Connection Cable Connection Methods Choose the RS485 communication cables according to the following figures: Figure 4-12 RS485 communication cable connection It is recommended that industrial grade RS485 cable be used in lieu of unshielded twisted pair. Communication cable such as (CAT5) or Belden 3106A cable for RS485 5-pin connector is preferred.
  • Page 31 Electrical Connection It is important to daisy chain the inverter RS485 connections to minimize noise and bus reflections. All RS485 connections must be terminated in a serial fashion and not to exceed 32 in total. Daisy Chain vs. multiple branch configuration is recommended.

  • Page 32: Commissioning

    Commissioning Commissioning WARNING! Please follow the guidelines below before performing any on-grid operation to eliminate possible dangers. Pre-commissioning Checks 5.1.1 Mechanical Installation  Make sure all the mounting brackets are secure.  Make sure all the screws have been tightened to the specified torque values.

  • Page 33: App Interface And Setting

    Users can perform the following procedures to set the APP easily. First of all, open your Bluetooth function. Open the CPS Connect Pro APP and then choose NO-LCD Inverter icon, the interface will go to WiFi Setting page. Touch the wireless network named CPLK-XXXXXXX (X can be found on the LINKIT label), the interface will go to the main menu directly.
  • Page 34 APP Interface Touch the Setting icon and input the password “1111”, it will go to Setting interface. Choose Inverter Parameters tab to set Grid Code, PV Link Type, Neutral line, RS485 and other parameters if necessary. Grid Code: Choose the Grid Code according to the requirements of your local authority.
  • Page 35 APP Interface IMPORTANT!  Please check with your local electricity supply company before selecting a Grid Code. If the inverter is operated with a wrong Grid Code, the electricity supply company may cancel the interconnection agreement.  Placing the inverter into operation before the overall system complies with the national rules and safety regulations of the application is not permitted.

  • Page 36: Structure Tree Of App Interface

    APP Interface Structure Tree of App Interface Choose APP function Setup the product Activate a site Manage my site Wifi Setting Password: Password Main menu Chart Setting History Turn ON/OFF Running Data Password: 1111 Warning Running Status Inverter Parameters Read/Write Register Upgrade Firmware Grid Code PV Link Type Neutral Line RS485 Inverter Clock...

  • Page 37: Chart

    APP Interface Figure 6-2 Main information on Main Interface In addition, you can see four submenus: Chart, Setting, History and Turn ON/OFF. 6.4.1 Chart In the chart sub-menu, you can view the power generation situation at different times, such as Current, Today and Total. These data can also be displayed in Day, Month, Year, shown as below in Figure 6-3.

  • Page 38: Setting

    APP Interface 6.4.2 Setting Touch the Setting icon and input the password “1111”, you will go to the setting interface. Figure 6-4 Setting interface It’s possible to access three submenus on the setting interface: Inverter Parameters, Read/Write Register and Upgrade Firmware. Inverter Parameters Touch the Inverter Parameters tab, you can set the following parameters as required.
  • Page 39 APP Interface IMPORTANT! Please check with you local electric supply company before selecting a grid code. If the inverter operates with a wrong grid code, electric supply company cancel interconnection agreement. Read/Write Register In the Read/Write Register interface, you can find the following sub-menus: ...
  • Page 40 APP Interface Figure 6-7 Protection Parameters 40 / 79...
  • Page 41 APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE Grid Over Voltage Protection Threshold Level 1 GridVoltMax1 {100.00%,135.00%} 110.00% 110.00% 110.00% Max. grid voltage Trip Time Level 1 VoltMaxTripT1 {0, 655} 2.00 12.50 Secs Max.
  • Page 42 APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE Level 2 Max. grid GridFrqMax2En {Disable, Enable} Enable Enable Enable frequency protection Threshold Level 3 GridF.Max3 {60, 66} Max. grid frequency Trip time of Level 3 FrqMaxTripT3 {0, 655} 0.16...
  • Page 43 APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE VoltMaxMovAvgE max voltage move {Disable, Enable} Disable Disable Disable average enable Threshold min VoltMinMovAvg voltage move {80.00%, 100.00%} 88.00% 87.99% 88.00% average Trip time of min MinTripVMovAvg voltage move {0, 655}...
  • Page 44 APP Interface LVRT/HVRT The LVRT/HVRT interface is used to set the LVRT (Low voltage ride through) and HVRT (High voltage ride through) parameters as shown in the following interfaces: Figure 6-8 LVRT/HVRT interface 44 / 79...
  • Page 45 CPS LVRT CPS HVRT 1.40 1.35 1.30 1.25 1.20 1.15 1.10 1.05 PRC-024 1.00 No Trip Zone 0.95 0.90 0.85 0.80 CPS Inverter No Trip 0.75 Zone 0.70 0.65 0.60 0.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00...
  • Page 46 APP Interface Time of LVRT {0, 655} 9.50 10.5 LVRTTime (5,6) Secs (5th or 6th point) {0, 655} 20.50 20.5 Threshold of LVRT {0%, 100%} 87.5% 87.5% 87.5% LVRTVolt (7,8) (7th or 8th point) {0%, 100%} Time of LVRT {0, 655} 20.5 20.5 LVRTTime (7,8)
  • Page 47 APP Interface Others In the others interface, you can find following common parameters shown as below. 47 / 79...
  • Page 48 APP Interface Figure 6-11 Others interface In addition, the table listed below can provide detailed parameter information for you. Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE PowerOnDelay Startup delay time {0,1200} Secs ReactivePowerStep Reactive Power Step {0.01%,655.35%} 50.00% 50.00%...
  • Page 49 APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE Enable Dynamical GFCIDynProEn ground fault circuit {Disable, Enable} Disable Disable Disable interrupter DCIProtection1 Max. DCI value 1 {0.1%,5.00%} 0.50% 0.50% 0.50% Trip time 1 of DCI DCIProtectionT1 {0.00,120.00} 10.00...
  • Page 50 APP Interface Figure 6-12 Commands interface  Force Restart: If a fault shutdown happens, a severe fault may have occurred inside the inverter. The user can perform a force reboot for one time per Power on in this menu if the user needs to restart the inverter. FactoryrDefaults: The manufacturer’s parameter default values can be ...
  • Page 51 APP Interface ActivePowerDerating The ActivePower Derating menu is used to set the active power derating parameters, including Active Power Derating, Over Voltage Derating, Over Frequency Derating, etc. Figure 6-13 ActivePower Derating interface You can see the Curve of over voltage derating in figure 6-14 and Curve of over frequency derating in figure 6-15.
  • Page 52 APP Interface Power Present 0.0%~100.0% Settable Grid Frequency GridF.Max1 60.00~72.00Hz Settable Figure 6-15 Curve of over frequency derating In addition, the table listed below can provide detailed parameter information for you. Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547...
  • Page 53 APP Interface under frequency UFDerEn {Disable, Enable} Disable Disable Disable derating enable { Disable dispatch mode, Disable Disable Disable Active power control CtrModeActivePw Remote dispatch dispatch dispatch dispatch mode mode, Local mode mode mode control} Local Active power PSetPercentLocal {0%,110%} 100% 100% 100%...
  • Page 54 APP Interface (PFCurveP1,PFCurvePF1) Inductive (P%) Capacitive (PFCurveP2,PFCurvePF2) Figure 6-17 PF(P) Curve Mode  Q(u) Curve：Q(u) curve mode. IMPORTANT! The Q(u) curve function is only available for IEEE1547 Grid Codes. Note: The reactive compensation changes according to the grid voltage change, as shown in Figure 6-18.
  • Page 55 APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE PFpCurveP2 Power of PF(P) point 2 {0,110%} 100% 100% 100% PFpCurvePF2 PF of PF(P) point 2 {-1,1} -0.9 -0.9 -0.9 Trigger voltage of PFpCurveTriVolt {100%,110%} 100% 100%...

  • Page 56: History

    APP Interface Grid code Grid code Grid code Parameter name Description Range Unit IEEE-1547 RULE-21 ISO-NE QSetPercentLoca Local Reactive power {-66%,66%} 0.0% 0.0% 0.0% derating percent {-1,- PFSetValue PF setting value -0.950 0.8},{0.8,1} ReactivePowerOv Reactive power over { Enable } Enable Enable Enable...

  • Page 57: Turn On/Off

    APP Interface Figure 6-20 History interface 6.4.4 Turn ON/OFF Figure 6-21 Turn ON/OFF interface 57 / 79...
  • Page 58 APP Interface  Manual Turn ON/OFF: Manual Power ON/OFF is required after Grid Code setting or manual (fault) shut-down. Touch to submenu “Turn ON/OFF”. Then move the cursor to “Turn ON” to start the inverter, the inverter will start up and operate normally if the start-up condition is met. Otherwise, the inverter will go to stand-by mode.

  • Page 59: Troubleshooting

    Troubleshooting Troubleshooting LED Indicator Troubleshooting LED display of the inverter is shown as follows: Figure 7-1 LED display of the inverter Indicators and their indications are shown in Table 7-1. Name Status Indication light PV Energized (control panel starts to work) Working POWER...

  • Page 60: Common Fault And Troubleshooting

    Troubleshooting LED status Solutions Neither the Power LED nor  Turn off the external AC breaker. the LCD screen lights up. Switch the DC switch to OFF position.   Check the PV input voltage and polarity. The GRID LED is blinking. ...
  • Page 61 Troubleshooting Recommended solutions: Observe for 5 minutes and see whether the alarm will be eliminated automatically; Check for foreign objects on fan blades; Switch off 3-phase work power supply and then reboot the system; Contact after-sales service personnel. Recommended solutions: Observe for 5 minutes and see whether the alarm will be eliminated automatically;...
  • Page 62 Troubleshooting Restart inverter by recycle both AC and DC switches. Protect0030 Wait for 1 minute between OFF and ON for (Inverter Over all energy to discharge. Current) If inverter cannot clear fault, replace inverter. Make sure the grid connection is good. GridV.OutLim Restart the inverter again.
  • Page 63 Troubleshooting If there is no alarm, turn OFF AC switches to disconnect from Grid and add in the next string. Startup inverter again. Continue until you can find the string that triggers the alarm. Trace wirings of faulted string to find any leakage to Earth Ground. The parameter ISOResist in hidden menu can be adjusted a bit.
  • Page 64 Troubleshooting Restart inverter by recycle both AC and DC switches. High Input current Wait for 1 minute between OFF and ON for all energy to discharge. (x=1,2…12) Contact after-sales service personnel. Check if its input voltage is within 1100V; Restart inverter by recycle both AC and DC High Input switches.
  • Page 65 Troubleshooting Open fuse drawers to de-couple PV strings from each other. Test strings with string test Add one PV string at a time, and startup inverter to see if alarm occurs. If there is no alarm, turn OFF AC switches to disconnect from Grid and add in the next string.

  • Page 66: Maintenance

    Maintenance Maintenance WARNING! Before starting any product maintenance, the inverter should be  stopped running, the AC circuit breaker connected to the grid and the PV input on the DC side shall be all disconnected, and then wait at least 5 minutes before starting any operation. ...
  • Page 67 Maintenance Figure 8-1 Remove the fan tray and fan Disconnect the watertight cable connector from cooling fan, as shown in Figure 8-2. Figure 8-2 Disconnect the watertight cable connector Use a No.2 Phillips head screwdriver to remove the 4 screws fixing every fan.

  • Page 68: Replace The Inverter

    Maintenance Place the new cooling fans on the fan tray, and fasten the cable on the fan tray with cable ties. Tools required: No.2 Phillips head screwdriver, torque value: 14~18kgf.cm Reinstall the assembled fans onto the inverter. Tools required: No.2 Phillips head screwdriver, torque value: 16kgf.cm.

  • Page 69: Technical Data

    Technical Data Technical Data Datasheet Model No. CPS SCH275KTL-DO/US-800 DC Input Nominal input power 285 kW/260 kW Max input voltage 1500Vdc MPPT full load operating 500-1450Vdc input voltage range MPPT voltage range 900-1300Vdc PF>0.99 Turn on voltage/Power 550V/500W Nominal input voltage 1190 Vdc Number of MPPT/Max no.
  • Page 70 Technical Data Max. output overcurrent 300A protection System parameters Topology Transformerless Maximum efficiency 99.0% China efficiency 98.5% Standby/Night loss <5W Environmental parameters Protection level NEMA TYPE 4X Cooling method Variable speed cooling fans Operating temperature -22°F to +140°F / -30°C to +60°C (derating from +107°F / +42°C) Operating humidity 0-100%, No condensation...
  • Page 71 Technical Data INPUT VOLTAGE DERATING SCH275KTL Vac=800V 42℃ 45℃ 50℃ 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 INPUT VOLTAGE (VDC) Figure 9-1 Derating curve with DC input voltage When the grid Voltage is within 100%~110% of the rated output voltage, the inverter output power may reach 100%.
  • Page 72 Technical Data TEMPERATURE DERATING SCH275KTL 2500m 3000m 4000m AMBIENT TEMPERATURE (℃) Figure 9-3 Derating curve with high temperature The highest no-derating working altitude level is 2500m for this inverter, its derating situation is as shown in Figure 9-4. ALTITUDE DERATING SCH275KTL 42℃...
  • Page 73 Technical Data P-Q Capabilities at Nominal Output Voltage Inverter is capable providing reactive power of ±165kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature condition. P-Q CURVE SCH275KTL 50℃...

  • Page 74: Measurement Tolerance

    ±5% for real-time measurements with output power below 20% nominal power  ±3% for real-time measurements with output power above 20% nominal power ±4% for all statistical data  CPS inverter tolerances are specified as below:  Voltage tolerances: ±1%  Current tolerances: ±2%  Frequency tolerances: ±0.01Hz ...

  • Page 75: Quality Assurance

    The unqualified product under replacement should be returned to our company; It is necessary to provide a reasonable time for the company to overhaul the equipment. For more warranty terms, refer to the CPS America standard warranty policy in place at time of purchase 75 / 79...

  • Page 76: Contact Information

    Contact Information Contact Information If you still have any questions about the photovoltaic grid-connected inverter, please feel free to contact us, we will be very happy to help you. CHINT POWER SYSTEMS AMERICA CO., LTD. Address: 1297 N Plano Rd Richardson Texas 75081 Service Hotline: 855-584-7168 Email: AmericaSales@chintpower.com Website: www.chintpowersystems.com...

  • Page 77: Appendix

    Appendix Appendix Appendix A: Figure list Figure 2-1 Grid-tied PV system ..............10 Figure 2-2 Product appearance ..............10 Figure 2-3 Product dimensions ..............10 Figure 3-1 Delivery list ................13 Figure 3-2 Environment requirements ............15 Figure 3-3 Installation modes ..............15 Figure 3-4 Space Requirements ..............

  • Page 78: Appendix B: Table List

    Appendix Figure 6-8 LVRT/HVRT interface ............... 44 Figure 6-9 LVRT Curve ................45 Figure 6-10 HVRT Curve ................45 Figure 6-11 Others interface ..............48 Figure 6-12 Commands interface ............... 50 Figure 6-13 ActivePower Derating interface ..........51 Figure 6-14 Curve of over voltage derating ..........51 Figure 6-15 Curve of over frequency derating..........
  • Page 79 Appendix Table 6-4 ActivePower Derating para. (IEEE1547 2018, Rule21 and ISO-NE) ......................53 Table 6-5 ReactivePowerDerating Para. (IEEE1547 2018, Rule21 and ISO- NE) ..................... 56 Table 7-1 LED Indicators and their indications ........... 59 Table 7-2 Troubleshooting based on LED Lights ........60 Table 7-3 Troubleshooting list ..............

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