CPS SCA23 Spécifications

物料： CPS SCA23/28KTL-DO/US-480 英文版说明书 料号： 9.0020.0119B0 纸张大小： 大 32 开 封面制作要求： 200g 铜版纸附亚膜封面彩色印刷 内页制作要求： 70g 除静电双胶纸黑白印刷

5 Chapter 2 Overview 2.1 Inverter for grid-tied PV systems CPS SCA23/28KTL-DO/US-480 series inverter is suitable for use with commercial and large

6  2 MPPTs: Dual and independent MPPT (Maximum Power Point Tracking) enable maximum design flexibility and optimize energy harvest over the life of

7 removed with a wave filter. Then the 3-phase AC voltage is passed through two-stage relays and EMI wave filter to produce high quality AC power. PE

8 Main items of the inverter: 1) Main housing of the inverter 2) Wiring box of the inverter 3) Mounting bracket 4) External cooling fans 5) LED indic

9 Chapter 3 Installation Below is the installation procedure for the inverter. Please read carefully and install the product step-by-step. Before ins

10 (1) M8 Expansion tubes 8 For mounting bracket (2) M8×25 assembling bolts 8 For mounting bracket (3) M6X12 screw 6 For wiring box and main hou

11 3.1 Recommendations before installation  Check that the product environmental specifications (protection degree, operating temperature range,

12 3.2 Mechanical installation 1) Dimensions Figure 3-1 Dimensions of CPS SCA23/28KTL-DO series inverter

13 2) Installation method (see Figure 3-2): Make sure that the mounting structure (wall, rack, etc) is suitable to support the inverter weight. Follo

14 3) Installation space requirement (see Figure 3-3): The distances between the inverters or the surrounding objects should meet the follow

CPS SCA Series Grid-tied PV InverterCPS SCA23/28KTL-DO/US-480Installation and Operation ManualVer 1.1

15 Figure 3-4 Dimensions of holes on the bearing surface (2) Drill holes at the marked positions with a 10mm (0.4in.) drill and put the M8 expansion

16 123 Figure 3-5 Secure the mounting bracket (3) Hang the inverter onto the mounting bracket as shown in Figure 3-6 and Figure 3-7; Lift mounting:

17 Figure 3-6 Mount the main housing on the bracket by lifting Figure 3-7 Position of grab handle 2 people to mount the inverter due to the weight

18 (4) Install the wiring box ① Remove the cover plate at the bottom of the main housing. (see Figure 3-8) Tool: No.2 Phillips head screwdriver Figu

19 Tool: No.2 Phillips head screwdriver ③Insert the wiring box to the main housing, and use M6x12 screws (4pcs) to attach the wiring box to the inver

20 Figure 3-11 Fix the main housing and wiring box on the bracket (6) Attach the cover board shown in Figure 3-10 to the left side of the wiring box

21 (7) Optional - Install an anti-theft padlock when the installation is complete. The anti-theft padlock is used to prevent the inverter from bein

22 3.3 Electrical installation The connection interface of CPS SCA23/28KTL-DO series inverter: DC INPUT 1AC OUTPUT DC INPUT 2COMM. PORTANT.WARNING: H

23 Choose the cables for inverters according to the following configuration table: Table 3-3 Cables specifications Position Cable Max. cable length (

24 3.3.1 DC connection 1) Working mode CPS SCA23/28KTL-DO series inverter has two PV input sections: DC Input-1 and DC Input-2. These two sections ca

CHINT POWER SYSTEMS AMERICA CO., LTD.Web: www.chintpower.com/naEmail: [email protected] Hotline: 855-584-7168Address: 700 Internation

25 terminal blocks, and tighten the wire terminals back on the terminal blocks with a torque value of 1.2N.m. Figure 3-18 Internal configuration of

26 Figure 3-19 Location of the PV connection mode selector switch Selector switch for PV connection mode 1-----independent mode 2-----parallel mode

27 3) DC cable connection To ensure the optimum performance of the inverter, please read the following guidelines before DC connection: (a)

28 1-1/4 or 1 inch through the holes. Then put the cables through the conduits inside the wiring box. (e) Crimp the DC cables with the attach

29 Figure 3-23 Take off the cover of the wiring box 2) Knock out the holes of the DC side and plug the suitable conduits of 1-1/4 or 1 inch through

30 External grounding point 1.6 N-m L3L2NL1L3L2NL1L3L2NL1L3L2NL1L3L2NL1L3L2NL11 2 3COMM.PORTACOUTPUTWARNING:High touch current .Earth connection esse

31 Pre-insulated end ferrule4pcsPre-insulated end ferruleCore wireOT type terminalCore wireOT type terminal,1pcs Figure 3-26 AC output and ground cab

32 4) The AC output (L1/L2/L3/N) cables of the PV inverter are connected to the AC grid through the 4 pole AC breaker to make sure the inverter can b

33 3.3.3 Communication connection CPS SCA23/28KTL-DO series inverter supports industry standard Modbus RS485 communication. 1. Communication board d

34 ③/④RS485 port (RJ45 connector) P203, P204 No. Colour Function 1 White orange 485+ 2 Orange N.C 3 White green

Table of Contents Before You Start… ... 1 Chapter 1 IMPORTANT S

35 ⑦Selector switch for setting the PV connection mode S401 1-----Independent mode 2-----Parallel mode ① Dry contact communication: The inverter fe

36 Dry contact communication port Status in fault condition Status without fault condition P205: N.O. — COM Closed Open P205: N.C. — COM Open Closed

37 install an individual miniature circuit-breaker between the dry contact and the power distribution grid. Dry contact communication cable connecti

38 d.) Connect wires to the terminal. Tool: 2 or 2.5mm flat screwdriver Figure 3-32 Wire connection e.) Plug the cable terminal into the P205 connec

39 ② RS485 communication cable connection: 1 2 3 4Figure 3-34 RS485 connection 1. Cable connection of RS485 communication: RJ45 connector 2. Cable

40 Figure 3-35 Crimp RJ45 connector on the RS485 and Ethernet cable (1) (2) (1) RS485 communication of single inverter (2) RS485

41 RS485 network connection: When the inverters are monitored via the RS485 communication, the unique RS485 address for each inverter can be set thro

42 Chapter 4 Commissioning 4.1 Commissioning Checklist 4.1.1 Mechanical installation Make sure that the mounting bracket is secure and all the screws

43 the PV array is sufficient, the LCD screen of inverter will light up. The inverter will then start up with the message “sys checking”. 4.) Set up

44 Figure 4-2 Select grid standard 5.) When the LCD screen shows the normal operation status (Figure 4-3) and the “RUN” light on the LED panel lights

5.4.3 History ... 51 5.4.4 System configuration ...

45 Chapter 5 User Interface 5.1 Description of LCD panel The inverter’s LCD panel mainly consists of LCD screen, LED indicator lights, buzzer and 4 k

46 operation indication light on Flash Derated running status (light up 0.5s, light off 1.6s) Light off In other operation status or power supply not

47 Down Page down in selection menu/-1 when setting parameters 5.2 Operation state Table 5-1 indicates the definitions of LED, i.e. indicates the in

48 Figure 5-2 LOGO interface (2) Indication of inverter operation mode: Sys.Checking>>>>>> Figure 5-3 Inverter system check ongoing

49 GridV.OutLim Figure 5-6 Fault indication interface LCD screen will display different mode interfaces based on the operation modes of the inverter.

50 Figure 5-7 Main menus on the LCD screen The main operation interface of LCD screen has 5 menus, i.e. “1 OP. Info”, “2 Alarm”, “3 History”, “4

51 Remarks：The LCD display is shown as follows when PV parallel mode is selected. Upv 360.0VIpv 14.7A Figure 5-9 Operation information

52 History”: “1 HistErr”, “2 OP. Recd”, “3 Version” and “4 TotalTag”. (1) The error log can store up 100 fault messages in “1 HistErr” menu. (2) The

53 5.4.4 System configuration Move the cursor to “4 Setting” in the main interface. Press ENT to enter the password: UP -> DOWN -> UP -> DOW

54 (1) The inverter can be started and shut down with “1 ON/OFF” menu. Move the cursor to “ON” and press ENT, “ON State” will then be indica

1 Before You Start… This manual contains important information regarding installation and safe operation of this unit. Be sure to read this manua

55 4. “MPPTCycle” is used to set up the cycle time of MPPT Scan. Move the cursor to this menu, press ENT to set up the cycle time. Use UP and DOWN to

56 5.4.6 AutoTest The “6 Autotest” appears ONLY when users select the “CEI 0-21” grid standard. Users can do the Class I and Class II protection

57 1 OP.infor 2 Alarm 3 History 4 Setting 1 VMaxTest1 2 VMinTest1 3 FMaxTest1→4 FMinTest1FMinTest1 Start? Test Aborted!Rad

58 5.4.7 System protection parameters setup Press DOWN and ENT at the same time in the main interface and enter the password (UP -> DOWN -> UP

59 (3) “3 Recover” menu: The manufacturer’s parameter default value can be restored when the inverter is not in operation mode. Otherwise “

60 5.4.8 System control parameters The “1 SysPara” menu has 6 submenus, including ”1 GridVProtect”, ”2 GridFProtect”, ”3 ON/OFF”, ”4 Po

61 Max. grid voltage GridVminRecT(V) Recovery threshold value of Min. grid voltage {0, 432.4, 480.0} GridVRecT(S) Recovery time of grid voltage prote

62 GridV.Unbal(%) Threshold value of grid voltage unbalance {0.1, 2.6, 10.0} (2) ”3 ON/OFF” menu: Set up the start-up and shut-down control parameter

63 1). None： No mode/disable reactive power mode 2). Dispatch： Remote power dispatch mode Note: The ActivePower, PF and Q value can be

64 Note: The reactive compensation changes according to the grid voltage change, as shown in Figure 5-18. Figure 5-18 Q(U) curve mode The T

2 Chapter 1 IMPORTANT SAFETY INSTRUCTIONS (SAVE THESE INSTRUCTIONS) Please read this user manual carefully before product installation. CPS

65 PFCurvePF1 (-0.800, 1.000, 0.800) See Figure 5-17 PFCurveP2(%) (0, 100.0%, 100.0%) See Figure 5-17 PFCurvePF2 (-0.800, -0.900, 0.800) See Figure 5

66 Table 5-6 Protection parameters of LVRT control Parameter name Description Setup range (lower limit, default & upper limit) LVRTProtect LVRT p

67 Chapter 6 Operation 6.1 Start-up Manual start-up: Manual start-up is required after regulation setting or manual (fault) shut-down. Move the curso

68 Sys.Checking>>>>>> Figure 6-1 System self check ongoing This mode indicates that the inverter is checking whether it is ready fo

69 Standby>>>>>> Figure 6-3 Inverter system in standby mode (4) Fault mode, as shown in Figure 6-4: The inverter will disconnect fr

70 PV array has adequate energy. After all conditions are met, the inverter will enter grid-tied power generation mode. While in grid-tied power gene

71 Chapter 7 Maintenance and De-installation 7.1 Fault shut down and troubleshooting 7.1.1 LED fault and troubleshooting Please refer to the definiti

72 overfrequency / underfrequency, high environmental temperature or internal malfunction of the machine. The fault information will be displayed on

73 will be eliminated automatically; 2.Switch off 3-phase working power supply and then reboot the system; 3.Contact after-sales service person

74 1.Ambient temperature outside the inverter is too high; 2.Fan is blocked; 3. Convection airflow is insufficient due to improper installation. Reco

3 Markings on the product HIGH VOLTAGE: The product works with high voltages. All work on the product must only be performed as described in this do

75 and power grid is disconnected or has any fault; 4.Contact after-sales service personnel 3.GridF.OutLim Definition: Grid voltage frequency is abno

76 4.Contact after-sales service personnel 5.PV1 (2) Reverse** Definition: PV module is connected inversely Possible causes: PV positive pole and n

77 Recommended solutions: 1.Observe for 10 minutes and see whether the alarm will be eliminated automatically; 2.Check insulation of PV system

78 Protection procedure occurs inside the inverter Recommended solutions: 1.Observe for 10 minutes and see whether the alarm will be eliminate

79 7.2 Product maintenance 7.2.1 Check the electrical connection Check all the cable connections as a regular maintenance inspection every 6

80 1 5 2 4 3

81 Figure 7-1 Replace cooling fans 50~60mmmm 50~60mmmm 6

82 7.2.4 Replace the inverter Please confirm the following things before replacing the inverter: (1) The inverter is turned off. (2) The DC switch of

83 c.) Use a No. 10 Hex wrench to remove the 4 screws between the main housing and the wiring box. Lift up the main housing and disconnect f

84 7.3 De-installing the inverter De-install the inverter according to the following steps when the service time is due or for other reasons: 1.) Tur

4 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 pri

85 Chapter 8 Technical Data Model Name CPS SCA23KTL-DO/US-480 CPS SCA28KTL-DO/US-480 DC Input Max. PV Power 31kW 38kW Nominal DC Input Power 24kW 29k

86 Power Factor >0.99 (±0.8 adjustable) Current THD <3% AC Disconnection Type Load rated AC switch System Topology Transformerless Max. Efficie

87 Note 1: When the DC input voltage is lower than 400V or higher than 800V, the inverter begins derating, as shown in Figure 8-1: 20%40%60%80%100%PV

88 Note 3: When the altitude is higher than 6562ft (2000m), the operating temperature of the inverter needs derating, as shown in Figure 8-3: Tamb(20

89 Chapter 9 Limited Warranty The warranty policy of this product is specified in the contract; otherwise, the warranty period is 5 years. For servic

90 Appendix: Instruction of inverter selection Table A-1 Optional accessory Item Number Note Standard CPS SCA23/28KTL-DO/US-480 inverter 1 Options