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2.5 Schematic Diagram and Circuit Design

The basic electrical schematic diagram of CPS SCH100KTL/US-600 and

CPS SCH125KTL/US-600 inverters are shown in Figure 2-2.

INV

L1

L2

L3

N

PV1+

PV2+

PV3+

PV4+

DC

Switch

BUS+

AC

Output

PV Input

Fuse

DC SPD

BUS

AC

EMI

LCL Filter

Relay

PV5+

PV6+

PV7+

PV8+

PV9+

PV10+

PV11+

PV12+

PV13+

PV14+

PV15+

PV16+
PV17+

PV18+

PV19+

PV20+

BUS-

PV1-

PV2-

PV3-

PV4-

PV5-

PV6-

PV7-

PV8-

PV9-

PV10-

PV11-

PV12-

PV13-

PV14-

PV15-

PV16-

PV17-

PV18-

PV19-

PV20-

AC SPD

DC EMI

Figure 2-2 Schematic Diagram of the 100/125kW Inverter

The input from PV source circuits passes through surge protection circuitry,

DC EMI wave filter, to bus capacitance. The inverter then converts the DC
voltage to 3-phase AC voltage. Most of the high frequency AC harmonics are
removed with a wave filter. The output AC is connected to the grid via two-stage
relay. There is also a three-phase SPD at the AC output side.

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Содержание SCH Series

Страница 1: ...CPS SCH Series Grid tied PV Inverter SCH100KTL DO US 600 and SCH125KTL DO US 600 Installation and Operation Manual Rev 1 7 CHINT POWER SYSTEMS AMERICA CO REVISON 1 7 DECEMBER 2020 ...

Страница 2: ......

Страница 3: ...ion 11 3 1 Recommendations Before Installation 14 3 2 Mechanical Installation 15 3 3 Electrical Installation 29 Chapter 4 Commissioning Via Wireless 52 4 1 APP Download 52 4 2 Commissioning Checklist 52 4 3 Commissioning Steps 53 4 4 Connection to the inverter Wireless 53 Chapter 5 APP Interface 58 5 1 Overview 58 5 2 Main section 59 5 3 Running Data 60 5 4 Settings 61 5 5 History 89 Chapter 6 Fau...

Страница 4: ......

Страница 5: ...ghly reliable product specifically designed for the North American Solar market Installation commissioning troubleshooting and maintenance of the inverter must be done only by qualified personnel If you encounter any problems during installation or operation of this unit first check the user manual before contacting your local dealer or supplier This user manual is applicable for the following mod...

Страница 6: ... Warnings and symbols in this document DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a hazardous ...

Страница 7: ...fety WARNING All the installation and wiring connections should be performed only by qualified technical personnel Disconnect the inverter from PV modules and the AC grid before maintaining and operating the equipment Risk of electric shock and fire Use only with PV modules that have a maximum system voltage of rating of 1500V or higher Electric shock Hazard The DC conductors of this photovoltaic ...

Страница 8: ...directly to any private AC power equipment CAUTION CPS SCH100KTL US 600 and CPS SCH125KTL US 600 inverters are approx 72kg 158 lbs Please ensure the mounting bracket is properly installed before hanging the inverter and wire box on the bracket INSTRUCTION Please check with your local electricity supply company before selecting a grid standard If the inverter is operated with a wrong grid standard ...

Страница 9: ...e fuse are open measure the total MPPT current If it is 125A turn OFF the DC switch e If turning OFF the DC switch causes smoke then if safe turn the DC switch back ON and wait until low irradiation 30min prior to sunset to continue troubleshooting If there is a fault and it is unsafe to access the inverter 1 Notify someone else Initiate emergency mitigation plan if necessary a If smoke or fire ex...

Страница 10: ...ures High conversion efficiency Advanced 3 level conversion technology with SVPWM Max efficiency 99 CEC efficiency 98 5 Grid adaptability IEEE 1547 Rule 21 ISO NE and HECO standards applicable Future Reactive power adjustable PF value 0 8 Remote Curtailment Flexible communication Supports standard Modbus RS485 and TCP IP communications to ensure compatibility with 3rd party monitoring and control ...

Страница 11: ...e current against ground monitoring External environmental temperature monitoring IGBT power module temperature monitoring 2 4 Smart Inverter Functions and default Activation Function IEEE1547 2014 Rule 21 ISO NE Anti islanding Enabled Enabled Enabled Low High Voltage Ride Though N A Enabled Disabled Low High Frequency Ride Though N A Enabled Enabled Dynamic Volt VAR Operation N A Enabled Disabled...

Страница 12: ...PV19 PV20 BUS PV1 PV2 PV3 PV4 PV5 PV6 PV7 PV8 PV9 PV10 PV11 PV12 PV13 PV14 PV15 PV16 PV17 PV18 PV19 PV20 AC SPD DC EMI Figure 2 2 Schematic Diagram of the 100 125kW Inverter The input from PV source circuits passes through surge protection circuitry DC EMI wave filter to bus capacitance The inverter then converts the DC voltage to 3 phase AC voltage Most of the high frequency AC harmonics are remo...

Страница 13: ... box Figure 2 3 Appearance of the CPS SCH100 125KTL DO US 600 Inverters Main items of the Inverter Main inverter enclosure Inverter wire box LED indicator lights WiFi module Cooling fans DC switch DC power on off AC switch AC power on off DC Input cable entry AC output cable entry Communication cable entry ...

Страница 14: ...s in reactive power will force the frequency of the system voltage to deviate significantly which will trigger the inverter to cease operation and disconnect from the grid 2 8 DC Ground Fault Protection The inverters include residual current detection as part of the DC ground fault detection method required by UL1741 If there is a ground fault in the PV array the ground fault detection circuitry w...

Страница 15: ...carefully and install the products following the step by step instructions The inverter and other main items are shipped in two separate packages consisting of A The main inverter enclosure B The wire box mounting bracket user manual and accessory kit Before installation please check that the following items are included in the packages ...

Страница 16: ...ending on the model ordered Standard wire box with integrated DC fuse inputs or Centralized wire box without DC fusing to be used with external DC combiner B 4 Mounting bracket 1 Bracket to mount the PV inverter left bracket inverter and right bracket wire box Right bracket will vary depending on the model of wire box ordered B 5 User manual 1 PV inverter installation and operation manual B 6 Acce...

Страница 17: ...with flange 6 To connect the left and right wall bracket and securing the main inverter to the wire box 5 8 pin PCB connector plug 1 For RS485 communication 6 M8 20mm machine bolts with integrated lock washer 4 PV Input busbar wiring Centralized Wire box 7 M8 nut with flat gasket and spring washer 4 AC terminal connections 8 WiFi module 1 Enables mobile app interface via CPS Connect app INSTRUCTIO...

Страница 18: ...ctive equipment during installation Sufficient space according to Figure 3 4 and 3 5 must be provided to allow the inverter cooling system to operate normally Install the inverter away from flammable and explosive substances Avoid installing the inverter in locations that exceed the temperature limits specified for the inverter to prevent undesirable power loss Do not install the inverter near an ...

Страница 19: ...15 3 2 Mechanical Installation 1 Dimensions 100 125kW Standard Wire box 100 125kW Centralized Wire box Figure 3 1 Dimensions of CPS SCH100 125KTL DO US 600 Inverter ...

Страница 20: ... tilted backward to 15 degrees from horizontal c Do not mount the inverter leaning forward d Do not mount the inverter upside down e Do not mount the inverter horizontal installation e c VERTICAL 15 b a d Figure 3 2 Inverter Mounting Options Figure 3 3 Inverter Mounting Suggestion NOTICE If the installation environment allows avoiding direct sunlight from the inverter avoiding direct rain and snow...

Страница 21: ...t require a baffle since the exhaust of the lower unit is directed between the inverters above E The distance between side by side inverters SHOULD be greater than 12 except in case D above F F1 This dimension will be determined primarily by the structural strength required to support the inverters There MUST be a vertical chimney for the exhaust air of at least 50 square inches directly above and...

Страница 22: ...RE WAY BAFFLE BAFFLE E 12 MIN OPTIONAL BACK ROW 10 WIRING TROUGH 10 WIRING TROUGH B 6 MIN B 6 MIN A 12 Min C 6 7 MAX OPTIONAL BACK ROW E 12 MIN G1 22 MIN with F1 F2 6 or 12 MINIMUM BAFFLE OVERHEAD STRUCTURE NOT REQUIRED NOT REQUIRED G2 18 MIN A 12 Min BAFFLE 2 BAFFLE 2 OPTIONAL BACK ROW OPTIONAL BACK ROW E 12 MIN E 12 MIN C 6 7 MAX F1 F2 6 or 12 MINIMUM BAFFLE OVERHEAD STRUCTURE NOT REQUIRED NOT R...

Страница 23: ...drill Ф10mm 0 4in head No 13 wrench pencil marker No 2 Phillips head screwdriver 1 Mark 6 holes on the wall or bearing surface for attaching the inverter mounting bracket as shown in Figures 3 6a and 3 6b Figure 3 6a 100 125kW Standard Wire box Bracket Mounting Pattern ...

Страница 24: ...0 125kW Standard Wire box 100 125kW Centralized Wire box Figure 3 7 Left and Right Wall Brackets Combination INSTRUCTION Before installing the brackets first connect the left and right wall mounting brackets with 2 PCS M8 flange nuts See Figure 3 7 torque 12 5 Nm 110 in lbs ...

Страница 25: ...t the marked positions with a 10mm 0 4in drill and insert the M8 Expansion Anchors into the holes fasten the Mounting Bracket with the M8x25 Assembling Bolts in the accessory kit Figure 3 8 and 3 9 Figure 3 8 Drill holes set Anchors and tighten Assembling Bolts Figure 3 9 Secure the Mounting Bracket ...

Страница 26: ... Lift mounting find the lifting eye bolt M10 2pcs in the Accessory Kit and screw them into the studs at the top of the inverter Use sling rope or bar inserted through both lifting eye bolts to lift the inverter onto the bracket The minimum angle between the two sling ropes should be less than 90 degrees Figure 3 11 CAUTION The main enclosure of the CPS SCH100KTL DO US 600 and SCH125KTL DO US 600 i...

Страница 27: ...e Main Enclosure on the Bracket by Lifting Sling B Manual mounting Two people are needed to properly lift by the handle positions marked in Figure 3 12 and mount the inverter onto the bracket Figure 3 12 Grab Handle Position ...

Страница 28: ...M6x18 combination screw torque 6Nm 53 in lbs Figure 3 13 The main Enclosure Position 4 Install the wire box Tools required No 2 Phillips head screwdriver 13mm hex head wrench A Remove the connector cover on the left of the wire box Save the cover and screws see Figure 3 14 Figure 3 14 Wire Box Cover ...

Страница 29: ...gure 3 15 Wire box Position C Connect the wire box to the main enclosure using the M8 Flanged Nut 4pcs torque 12 5Nm 110 6 in lbs Secure the wire box to the bracket with M6x18 combination screw torque 6Nm 53 in lbs Figure 3 16 This connection provides the ground bond for the Inverter Main Enclosure Failure to properly install may result in shock or equipment failure Figure 3 16 Installation of the...

Страница 30: ... head screwdriver Attach the inverter s connector cover and wire box connector cover shown in Figure 3 10 and Figure 3 14 to the top of the inverter and wire box Figure 3 17 Torque value of 1 6N m 14 2in lbs Figure 3 17 Attach the Cover to the top of the Inverter ...

Страница 31: ... torque 1 6Nm 14 in lbs to ensure that the seal remains waterproof Figure 3 16 Installation of the WiFi Module INSTRUCTION The WiFi module is required for the commissioning of the inverter This step does not need to be completed until commissioning If multiple inverters are connected to the same data network only ONE WiFi module is required Install the WiFi module in the first inverter in the netw...

Страница 32: ... is installed outdoors You can lock the inverter on the bracket as shown in Figure 3 18 Figure 3 18 Location of the Anti Theft Padlock The anti theft padlock should meet the requirement of the dimensions shown in Figure 3 19 B C A Figure 3 19 Dimensions of Anti Theft Padlock Recommended lock size A Ф3 6mm B 20 50mm C 20 50mm ...

Страница 33: ...closure and allow the cover to be removed See Figure 3 20 Figure 3 20 Removing the Wire box Cover To replace the cover reverse the order of the above steps use a No 3 Philips head screwdriver to replace the 2 screws on the cover Torque to 4Nm 35 4 in lbs INSTRUCTION It is important to use hand tools e g Screwdriver or T handle 3 Phillips and not power drivers or other types of screw drivers During...

Страница 34: ...or DC input 2 Conduit Knock out for AC output 2 Conduit External bonding connection point Knock out for communication output 3 4 Conduit NOTE 2 inch knockouts can be enlarged if the hardware from the larger size does not interfere with the installation of the cover or other components Enlarged holes should be centered in the original hole if possible ...

Страница 35: ...1B Conduit Knock out Locations Standard Wire box Knock outs for DC input 2 Conduit Knock out for AC output 2 Conduit External bonding connection point Knock out for communication output 3 4 Conduit Front Side Bottom ...

Страница 36: ...arged if the hardware from the larger size does not interfere with the installation of the cover or other components Enlarged holes should be centered in the original hole if possible Positive DC input connections Negative DC input connections AC output terminals Grounding terminals Neutral Terminal NOTE 2 inch knockouts can be enlarged if the hardware from the larger size does not interfere with ...

Страница 37: ...e 3 22B Internal Connection Points Standard Wire box Figure 3 23 Internal Grounding Points L1 L2 L3 A B 5 Positive DC input connections 6 Negative DC input connections 7 AC output terminals 8 Grounding terminals 9 Neutral Terminal ...

Страница 38: ...tions Site Voltage Drop Requirements and DC Terminal Dimensions See Figures for Centralized Wire box Ver 2 dimensions 90 C rated Allows for single or parallel 1 Hole Lugs top and bottom 0 43 11mm through holes use lugs with 3 8 or 1 2 hole AC and Ground Cables specifications Position Conductor AC output L1 L2 L3 Standard WB L1 L2 L3 N Central WB Cu Al Conductor determined by NEC calculations and t...

Страница 39: ...35 Centralized Wire box Ver 1 DC BUS CONNECTION DIMENSIONS PV Centralized Wire box Ver 1 DC BUS CONNECTION DIMENSIONS PV ...

Страница 40: ...36 Centralized Wire box Ver 2 DC BUS CONNECTION DIMENSIONS PV Centralized Wire box Ver 2 DC BUS CONNECTION DIMENSIONS PV ...

Страница 41: ...ring for Standard WB 3 N m 26 5 in lbs DC Cable for Centralized WB Version 1 14 2 N m 126 in lbs DC Cable for Centralized WB Version 2 22 5 N m 200 in lbs AC terminal M10 L1 L3 Standard Central Ver 2 WB 22 5 N m 200 in lbs AC terminal Screw clamp N Standard Central Ver 2 WB 14N m 120 in lbs AC terminal M8 L1 L3 Central Ver 1 WB 14 2 N m 126 in lbs AC terminal M8 N Central Ver 1 WB 14 2N m 126 in l...

Страница 42: ...ole Then route the cables through the conduit inside the wiring box 3 A Circuit Ground should be run with the AC Power cables and connected to the internal ground bus 4 A separate Ground wire should bond the Wire Box to the local ground connection for personnel safety By bonding at this location is easy for operator to determine the inverter is safely grounded 5 Connect the AC L1 L2 L3 N cables to...

Страница 43: ...39 Figure 3 25 AC Output Cable Connection Distributed Wire box L1 L2 L3 ...

Страница 44: ...40 5 16 3 8 8 11 5 HOLE 0 75 MAX 0 95 24 5 MAX 0 49 12 5 MAX 0 83 21 MAX Figure 3 26 AC Output Cable Connection Centralized Wire box Ver 1 ...

Страница 45: ...41 Figure 3 27 AC Output Cable Connection Centralized Wire box Ver 2 ...

Страница 46: ...ation of AC breaker selection Inverter Max AC OCPD CPS SCH100KTL DO US 600 200A CPS SCH125KTL DO US 600 200A Up to 32 inverters may be connected in parallel for use with a single transformer NOTICE Transformer Configurations 3W Wye and 4W Grounded Wye is recommended Floating 3W Wye 3W Delta Configuration is acceptable but required external GFCI The presence of a Grounding Transformer or YG d cause...

Страница 47: ...2017 alternate calculation method may yield a smaller fuse The following table lists the fuse type specifications and number under the rated voltage and power range of 20 strings of PV panels Table 3 12 DC Fuse selection Note 1 The 1500VDC ADLER fuse series are recommended Detailed information is available for customers to find and download from http www adlerelectric com WARNING Use of different ...

Страница 48: ...l of cable should match the positive terminal of inverter s DC input iii The negative terminal of cable should match the negative terminal of inverter s DC input d Remove the liquid tight hole plugs from the DC input of the wiring box and install 2 inch conduit and conduit fittings into the holes Then route the cables through the conduit inside the wiring box e Connect the DC cables to the fuse ho...

Страница 49: ...use Holder 12 6AWG Copper only DC input Central Wire box Busbar 250kcmil CU AL Max Lugs not supplied Use 5 16 or 3 8 tubular lug sized for the application Ground terminals 12 6AWG Figure 3 28 connect the DC cable Check the POLARITIES Tools Remark No 2 Phillips bit and a Torque driver PV String connections Standard wire box PV output conductor connections Centralized wire box Diagonal pliers Cut ca...

Страница 50: ...ion in the inverter wire boxes Communication board description Figure 3 29 Communication Board 4 1 2 3 5 RS485 Reserved Power port 2pin connector 1 GND 2 12V RS485 port 6pin connector 1 485_A 2 485_B 3 485_GND 4 485_A 5 485_B 6 485_GND Selector Switch S201 120Ω terminal resistor switch for communications 1 ON Enable the termination resistance 2 OFF Disable termination resistance RJ45 Reserved L1 L...

Страница 51: ...on 5 RS485_B 4 RS485_A 3 RS485_GND Common 2 RS485_B 1 RS485_A 2 12V 1 12V_GND RS485 port 8pin connector Old Comm Board 8 RS485_GND Common 7 RS485_B 6 RS485_A 5 RS485_GND Common 4 RS485_B 3 RS485_A 2 12V_GND 1 12V RJ45 Debug Only Selector switch for setting the 120Ω terminal resistor of the RS485 communication S201 1 Disable the termination resistor 2 Enable the termination resistance ...

Страница 52: ...CAT 5e or 3x 22 18AWG communication cable e g Belden 3106A 1 485_A 485_B 485_GND 485_A 485_B 485_GND RS485 1 485_A 485_B 485_GND 485_A 485_B 485_GND RS485 1 RS485 2 2 Figure 3 29a RS485 Connection new Comm Board 6 pin 1 Cable connection of RS485 communication 1 inverter 6 pin connector 2 Cable connection of RS485 network communication multiple inverters 6 pin connector ...

Страница 53: ... inverter 8 pin connector 4 Cable connection of RS485 network communication multiple inverters 8 pin connector 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 ...

Страница 54: ... and bus reflections Other communication topologies such as the star networks are not recommended Figure 3 30 RS485 Network Connection If there are multiple inverters in the RS485 network the selector switch S201 of the last inverter in the daisy chain should be in ON position to have the 120ohm terminal resistor enabled The selector switch S201 of all other inverters should be in the OFF position...

Страница 55: ...ling Modbus termination Do not turn the switch to the ON position in any other inverters of the daisy chain 5 Connect the shield or drain wire continuously but not in contact with RS Common or Enclosure Ground Single point ground the shield drain wire 6 Do not connect RS485 Common to ground S201 Selector switch for the 120Ω RS 485 termination resistor On Enable the Modbus RS 485 bus termination Ap...

Страница 56: ... 4 2 2 Cable Connections Make sure that all cables are connected to the right terminals and torqued to the values specified above The appropriate cable management is important to avoid physical damage The polarity of DC input cables must be correct and the DC Switch should be in the OFF position Please refer to 3 3 Electrical installation 4 2 3 Electrical Check Make sure that the AC circuit breake...

Страница 57: ...work that will be visible as an Access Point from the user devices tablet smartphone etc connection to the inverter via Wi Fi Open the APP CPS CONNECT PRO previously mentioned Enable the wireless connection on the device which is being used for the board setup tablet or smartphone and connect it to the Access Point created by the inverter system the name of the wireless network created by the syst...

Страница 58: ...54 Figure 4 1 System setting ...

Страница 59: ...ock When the device screen shows the normal operation status Figure 4 2 and the RUN light on the LED panel is illuminated this is an indication that the grid connection and power generation are successful INSTRUCTION Please check with your local electricity supply company before selecting a grid standard If the inverter is operated with a wrong grid standard the electricity supply company may canc...

Страница 60: ...56 Figure 4 2 Normal Operation Status Summary Screen SWIPE TO CHANGE MENUS SEE MENUS IN SECTION 5 4 ...

Страница 61: ...ils to operate normally the FAULT light will illuminate and the fault information will show on the Device screen and you can skip to History check the detail as shown in the Figure 4 3 Figure 4 3 Fault Information Interface ...

Страница 62: ...story Turn ON OFF Password 1111 Inverter Parameters Read Write Register Fault Recording Alarm Running Status Active Power Derating Enable Disable Others Protect ReactivePowerDera ting Commands LVRT HVRT Manage my site Upgrade Firmware Regulation PV Link Type Neutral Line RS485 Inverter Clock Day Month Year Figure 5 1 App Interface Interview ...

Страница 63: ...the MAIN section it s possible to access the following sub menus Running Data Settings History Turn ON OFF You can view the main information related the status and the DC AC OTHERS and VERSION information in the Main section ...

Страница 64: ...60 5 3 Running Data In the Running Data sub menu you can view the Power generation with Current Day Month Year and Total as Following ...

Страница 65: ...5 4 Settings Choosing the Settings and input the password 1111 as following In the Settings section it s possible to access the following sub menus Inverter Parameters Read Write Register Upgrade Firmware ...

Страница 66: ...4 1 Inverter Parameters In the Inverter Parameters section it s possible to access the following sub menus GridStandard PV Link Type Neutral Line RS 485 Inverter Clock and Change Password as following Figure ...

Страница 67: ...ccess the following sub menus 1 Protect 2 ActivePowerDerating 3 ReactivePowerDerating 4 ARC 5 LVRT HVRT 6 Others 7 Enable Disable 8 Commands Back Read Write Register Protect 35 Enable Disable 42 LVRT HVRT 32 ReactivePower Derating 17 ActivePower Derating 9 Command 11 Others 33 ARC 14 ...

Страница 68: ...terface is used to display and set the Protect parameters of the AC grid voltage frequency and recovery etc as following Each of the 3 protection levels for OV UV OF and UF can be independently disabled The function in Table 5 7 ...

Страница 69: ...S Trip Time Level 3 Max grid trip voltage 0 655 0 16 0 16 0 16 Grid Low Voltage Protection Table 5 7 16 18 GridVoltMin1 Threshold Level 1 Min grid voltage 30 00 100 00 88 00 88 00 88 00 VoltMinTripTime1 S Trip Time Level 1 Min grid trip voltage 0 655 2 0 20 50 2 GridVoltMin2 Threshold Level 2 Min grid voltage 30 00 100 00 60 00 70 00 50 00 VoltMinTripTime2 S Trip Time Level 2 Min grid trip voltage...

Страница 70: ...f Level 3 Max grid frequency 0 655 0 16 0 16 0 16 Grid Low Frequency Protection Table 5 7 22 24 GridF Min1 Threshold Level 1 Min grid frequency 54 60 59 5 58 5 58 5 FrqMinTripTime1 S Trip time of Level 1 Min grid frequency 0 655 2 299 50 300 00 GridF Min2 Threshold Level 2 Min grid frequency 54 60 57 57 56 5 FMinTripTime2 S Trip time of Level 2 Min grid frequency 0 655 0 16 0 16 0 16 GridF Min3 Th...

Страница 71: ...ld max move average Voltage 100 00 135 00 110 00 110 00 110 00 VMaxMovAvgT Trip time of max move average Voltage 0 655 600 600 600 VMinMovAvg Threshold min move average Voltage 80 00 100 00 88 00 87 99 88 00 VMinMovAvgT Trip time of min move average Voltage 0 655 600 600 600 VOLTAGE UNBALANCE Table 5 7 32 VUnbal Threshold grid voltage unbalance 0 01 10 10 10 10 ...

Страница 72: ...t changes to these settings either on site or via the Flex Gateway Portal the Active Power Mode in Table 5 7 3 must be set to Local Control The setting made in the Remote Dispatch Mode will reset when DC Power Cycles Grid voltage 100 00 135 00 Settable Power Present 0 0 0 100 0 Settable GridV Max1 Figure 5 2 Curve of over voltage derating Grid Frequency 60 00 72 00Hz Settable Power Present 0 0 0 1...

Страница 73: ...e derating 1 90 60 60 60 OVER FREQUENCY DERATE Table 5 7 29 to Enable OFDeratStart Hz The trigger frequency of Over Frequency derating 60 72 60 5 60 1 60 1 OFDeratStop Hz The end frequency of Over frequency derating 60 72 61 4 62 62 OFDeratRate P Hz The rate of Over frequency derating 0 01 100 0 16 30 30 OFDeratRcovFre Hz The recovery frequency of Over Frequency derating 58 8 66 60 59 90 59 90 OFD...

Страница 74: ...CH MODE is used when a site controller is actively setting or changing reactive mode parameters Any settings changes made in the Remote Dispatch Mode will refresh to the Factory Default Settings when DC power is recycled 1 PF Set Set the PF value Note Change the reactive power by adjusting the PowerFactor 2 PF P Curve PF curve mode Note The power factor changes according to the power change as sho...

Страница 75: ...change as shown in Figure 5 5 QuCurveU2s QuCurveQ2s Q Pn QuCurveU1s QuCurveQ1s QuCurveU2i QuCurveQ2i Inductive Capacitive V Vn QuCurveU1i QuCurveQ1i Figure 5 5 Q U Curve Mode Capacitive PF 1 1 Inductive PFCurveP1 PFCurvePF1 PFCurveP2 PFCurvePF2 P INSTRUCTION The Q U curve function is only available for IEEE 1547 grid standards ...

Страница 76: ... voltage of PF P 100 110 100 100 100 PF_PcurveLockOutV PF end voltage 90 100 90 90 90 Q v DYNAMIC VAR SUPPORT Q_UcurveVolt1s Voltage of Q U point 1s 100 110 107 99 103 30 103 30 Q_UcurveReactPw1s Reactive power of Q U point 1s 66 66 0 0 0 Q_UcurveVolt2s Voltage of Q U point 2s 104 110 110 107 107 Q_UcurveReactPw2s Reactive power of Q U point 2s 66 66 50 30 30 Q_UcurveVolt1i Voltage of Q U point 1i...

Страница 77: ...73 5 4 2 4 ARC The ARC Fault detection parameters should ONLY be adjusted by CPS or Qualified representative Enabled by Table 5 6 5 6 Arc Fault is not an operational function for the 100 125kW Inverters ...

Страница 78: ... 5 4 2 5 LVRT HVRT LVRT HVRT is used to set the LVRT Low voltage ride through and HVRT High voltage ride through parameters as following These functions are enabled with settings in Table 5 7 9 and 5 7 10 ...

Страница 79: ...0 12 14 16 18 20 22 1 2 3 4 5 6 7 8 Through Trip V o l t a g e N r a t e d Time S Figure 5 6 The LVRT Curve 2 4 6 8 10 12 14 16 18 20 22 1 2 3 4 5 6 7 8 Through Trip V o l t a g e N r a t e d Time S 1 1 05 1 1 1 15 1 2 1 25 1 3 Figure 5 7 The HVRT Curve ...

Страница 80: ...ra 7 8 Time of LVRT 7th or 8th point 0 655 0 655 20 5 20 5 20 5 20 5 3 05 3 25 HVRT Enable Table 5 7 10 Parameter name Description Range Grid code IEEE 1547 Grid code RULE 21 Grid code ISO NE HVRTVoltPara 1 2 Threshold of HVRT 1st or 2nd point 100 135 100 135 125 125 125 125 120 120 HVRTTimePara 1 2 Time of Level HVRT 1st or 2nd point 0 655 0 655 0 0 8 0 0 11 0 0 16 HVRTVoltPara 3 4 Threshold of H...

Страница 81: ...77 5 4 2 6 Others The REF column is reference to Table 5 7 Enable functions ...

Страница 82: ...LVRT NEG current Coeff 0 300 200 20 200 PSet_Pecent 3 Active power derate 0 110 100 100 100 QSet_Pecent 2 Reactive power derate 66 66 0 0 0 Risomin 36 Minimum insulation resist 1k 2000k 100k 100k 100k GFCIStaProValue 27 Static Threshold Leakage current 50 400 100 100 100 GFCIStaProTime 27 Static Threshold Leakage Time 0 655 0 2 0 2 0 2 GFCIDynProCoef 28 Threshold dynamic coefficient Leakage curren...

Страница 83: ...79 5 4 2 7 Enable Disable Enable Disable is used to enable or disable the function and protect parameters as following ...

Страница 84: ... Q Enable w Q Disable Enable No Q Disable 11 NormSoftStopPEn SoftStopEn soft STOP ramp function Disable Enable Enable Enable Enable 12 PID Check Settings No External PID External PID Box Reserved No External PID Box No External PID Box No External PID Box 13 GridVolMax1En Grid Protection Disable Enable Enable Enable Enable 14 GridVolMax2En Grid Protection Disable Enable Enable Enable Enable 15 Gri...

Страница 85: ...En Under Frequency Derate Reserved Disable Enable Disable Disable Disable 34 VgridDerEn Over Voltage Derate Disable Enable Disable Disable Disable 35 PowerMutateRatio HECO Increased Irradiation Ramp Rate Disable Enable Disable Disable Disable 36 ISOEn Insulation Resistance Disable Enable Enable Enable Enable 37 FanDetectEn fans detect function Disable Enable Enable Enable Enable 38 AcSPDTesEn AC s...

Страница 86: ...red after regulation setting or manual fault shut down Force Restart menu 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 Factory Reset menu The manufacturer s parameter default values can be restored when the inverter is not in operation mode Otherw...

Страница 87: ...factory setting of MPPT scan is Enabled yet can also be set to Disabled When the MPPT scan function is enabled the scan period is 60 minutes The inverter will scan the maximum power point in the MPPT range according to the following conditions The total input power is lower than 90 of the active power Once this MPPT scan function is activated on the device it will search the maximum power point at...

Страница 88: ...t record in Fault Record menu 5 4 4 Firmware Upgrade Installer open the APP Chint Power Connect and select Firmware Make sure the mobile phone can access the Internet Click Upgrade Firmware on the Home page Choose the model you need to upgrade INTERNET CONNECTION ...

Страница 89: ...85 Firmware released to Cloud Firmware downloaded in Pocket INTERNET CONNECTION WiFi to Inverter ...

Страница 90: ...86 WiFi to Inverter ...

Страница 91: ...r Click Upgrade and connect to LinKIT Select the firmware file enter the password and click Start to upgrade the Inverter 5 4 4 2 Upgrade the LinKIT Connect to Chint Power Connect Click Upgrade to upgrade the linKIT WiFi to Inverter ...

Страница 92: ...88 ...

Страница 93: ...89 5 5 History There are 2 submenus in the History menu Alarm and Running Status ...

Страница 94: ... be shut down manually if regulation setting or maintenance is required Move the cursor to submenu Turn ON OFF Move the cursor to Turn OFF and ensure then the inverter will be shut down Automatic Turn ON OFF The inverter will start up automatically when the output voltage and power of PV arrays meet the set value AC power grid is normal and the ambient temperature is within allowable operating ran...

Страница 95: ...orking RUN Grid tied operation indication light Light on In grid tied power generation state Flash Derated running status light up 0 5s light off 1 5s Light off In other operation status or power supply not working GRID Grid status indication light Light on Grid is normal Flash Grid fault light up 0 5s light off 1 5s Light off Power supply not working FAULT Fault status indication light Light on I...

Страница 96: ...itch to OFF position 3 Check the PV input voltage and polarity The GRID LED is blinking 1 Turn off the external AC breaker 2 Switch the DC switch to OFF position 3 Check whether the grid voltage is normal and whether the cable connection of AC side is correct and secure The RUN LED light is off or FAULT LED lights up Refer to Table 6 3 for troubleshooting ...

Страница 97: ...high environmental temperature or internal malfunction of the machine The fault information will be displayed on the APP interface Please refer to 5 4 3 Fault Recording for detailed operation The causes of a fault can be identified based on the faults listed in Table 6 3 TO Table 6 6 Proper analysis is recommended before contacting after sales service There are 4 types of fault Alarm Protection Fa...

Страница 98: ...g fan failure by visual check Possible causes 1 Fan is blocked 2 Fan service life has expired 3 Fan socket connecter has poor contact Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Check for foreign objects on fan blades 3 Switch off 3 phase power supply and then reboot the system 4 Contact after sales service personnel 3 IntFanErr Recomm...

Страница 99: ...ter sales service personnel Warn0040 DC SPD fault Recommended solutions The alarm is reserved now The alarms in field can be ignored Warn0050 TempSensorErr Recommended solutions 1 Observe temperature display 2 Switch off 3 phase working power supply and then reboot the system 3 Contact after sales service personnel Warn0100 AC SPD fault Recommended solutions The alarm is reserved now The alarms in...

Страница 100: ...connection is good 2 Restart the inverter again GridF OutLim Recommended solutions 1 Check the AC wires connection and AC frequency is in range 2 Check the measurement value in LCD if the grid frequency is in limit restart the inverter Protect0020 Grid relay error Recommended solutions 1 Restart inverter by recycle both AC and DC switches Wait for 1 minute between OFF and ON for all energy to disc...

Страница 101: ...age to Earth Ground 6 The parameter ISOResist in hidden menu can be adjusted GFCIErr leakage current high Check wires of PV and ground 1 Turn OFF AC switch to disconnect inverter from Grid 2 Open fuse drawers to de couple PV strings from each other Test strings with string test set 3 Add one PV string at a time and start up inverter to see if alarm occurs 4 If there is no alarm turn OFF AC switche...

Страница 102: ...Current 2 Restart inverter by recycling both AC and DC switches Wait for 1 minute between OFF and ON for all energy to discharge If inverter cannot clear fault replace inverter PVVoltOver Recommended solutions 1 Measure voltage at DC terminals in wire box and compare with reading in Measurement menu PV voltage must be less than 1500V in open circuit condition If display reading is not within 2 of ...

Страница 103: ... between OFF and ON for all energy to discharge 2 If inverter cannot clear fault replace inverter Fault0090 Dynamic leakage current high Check wires of PV and ground 1 Turn OFF AC switch to disconnect inverter from Grid 2 Open fuse drawers to de couple PV strings from each other Test strings with string test set 3 Add one PV string at a time and start up inverter to see if alarm occurs 4 If there ...

Страница 104: ...r all energy to discharge 2 2 If inverter cannot clear fault replace inverter Fault0150 Open loop self check failure Recommended solutions 1 Restart inverter by recycling both AC and DC switches Wait for 1 minute between OFF and ON for all energy to discharge 2 If inverter cannot clear fault replace inverter DANGER Please disconnect the inverter from AC grid and PV modules before opening the equip...

Страница 105: ... DC String Wiring for Standard WB 3 N m 26 5 in lbs DC Cable for Centralized WB Version 1 14 2 N m 126 in lbs DC Cable for Centralized WB Version 2 22 5 N m 200 in lbs AC terminal M10 L1 L3 Standard Central Ver 2 WB 22 5 N m 200 in lbs AC terminal Screw clamp N Standard Central Ver 2 WB 14N m 120 in lbs AC terminal M8 L1 L3 Central Ver 1 WB 14 2 N m 126 in lbs AC terminal M8 N Central Ver 1 WB 14 ...

Страница 106: ...low to help in heat dissipation Check the air vent regularly to make sure it is not blocked and clean the vent with soft brush or vacuum cleaner if necessary 7 1 3 Replace the Cooling Fans If the internal temperature of the inverter is too high or abnormal noise is heard assuming the air vent is not blocked and is clean it may be necessary to replace the external fans Attention please disconnect t...

Страница 107: ...ing fans on the fan tray and fasten the cable on the fan tray with cable ties Torque value 1 6 Nm 14 2 in lbs 5 Install the assembled fans back to the inverter Torque value 1 6 Nm 14 2 in lbs Figure 7 1 Replace cooling fans 3 1 2 ...

Страница 108: ...ned off 2 The DC switch of inverter is turned off Replace the inverter according to the following steps 1 Unlock the padlock if it is installed on the inverter Figure 7 2 Unlock the Padlock 2 Use a No 3 phillips head screwdriver to unscrew the 2 screws on top of both the wire box and inverter to remove the connector covers ...

Страница 109: ...th sides 3 Use a 13mm hex head wrench to remove the 4 screws between the main inverter enclosure and the wire box Slide the wire box right to disconnect the inverter from the wire box Figure 7 4 Disconnect the main housing from the wire box ...

Страница 110: ...nclousure left on the rail to remove Figure 7 5 Remove the 2 screws between main housing and rail 5 Use a No 2 phillips head screwdriver to install the connector covers on the connector of the wire box and inverter Torque value 1 6Nm 14 2 in lbs Figure 7 6 Install the Cover on the Connector of the Wire box ...

Страница 111: ... Type Load break rated DC Switch AC Output Grounded WYE Floating WYE FLOATING DELTA Note 4 Rated AC Output Power 100kW 125kW Max AC Output Power 100kVA 111KVA PF 0 9 125kVA 132KVA PF 0 95 Rated Output Voltage 600Vac Output Voltage Range 2 528 660Vac Grid Connection Type 3 3Φ N Option PE Max AC Current 96 3 106 9A 120 4 127 0A Rated Output Frequency 60Hz Output Frequency Range 57 63Hz Power Factor ...

Страница 112: ...with CPS Flex Gateway Mechanical Data Dimensions WxHxD mm 42 7 24 3 11 2in 1085 616 283 5mm Weight kg 158lbs 72kg Mounting Installation Angle 15 90 degrees from horizontal Safety Safety and EMC Standard CSA C22 2 NO 107 1 16 UL Std No 1741 CSA TIL M 07 FCC CFR 47 part15 ANSI C63 4 2014 Grid Standard and SRD IEEE 1547a 2014 IEEE1547 2003 R2008 IEEE1547 1 2005 R2011 IEEE1547 1a 2015 CA Rule 21 and U...

Страница 113: ...80 100 PV Voltage V Po Pn 860 900 1300 1450 0 Figure 8 1 CPS SCH100 125KTL US 600 derating curve of PV input voltage When the DC input voltage is higher than 1300V the inverter begins derating as shown in Figure 8 1 ...

Страница 114: ...re 45 50 55 60 100 80 60 40 20 0 2 Figure 8 2 CPS SCH100 125KTL US 600 Derating Curve with High Temperature When the ambient temperature is higher than 113 45 the inverter output power will begin to derate as shown in Figure 8 2 ...

Страница 115: ...rating Curve of Grid Voltage When the grid Voltage is within 100 110 of the rated output voltage the inverter output power may reach 100 When the grid voltage is lower than 100 the inverter will limit the AC Output Current and the output power will begin to derate as shown in Figure 8 3 ...

Страница 116: ...R SYSTEMS AMERICA CO LTD Address 700 International Parkway Suite 102 Richardson Texas 75081 Service Hotline 855 584 7168 Email AmericaSales chintpower com Website www chintpowersystems com SHANGHAI CHINT POWER SYSTEMS CO LTD Headquarters Building 4 No 3255 Sixian Road Songjiang District Shanghai China Tele 86 21 3779 1222 6300 Fax 86 21 3779 1222 6001 Part No This manual is subject to change witho...

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