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Sungrow SG33CX User Manual
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Sungrow SG33CX User Manual

Pv grid-connected inverter
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User Manual
PV Grid-Connected Inverter

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Summary of Contents for Sungrow SG33CX

  • Page 1 User Manual PV Grid-Connected Inverter...
  • Page 4      ...
  • Page 11       ...
  • Page 12       ...
  • Page 13   5 min   ...
  • Page 15 TN-C TN-C-S TN-S Transformer Transformer Transformer L1 L2 L3 N PE L1 L2 L3 N PE L1 L2 L3 N PE Inverter Inverter Inverter Transformer Transformer L1 L2 L3 N PE L1 L2 L3 N PE Inverter Inverter Code of Product Series Code Of power level Photovoltaic grid-connected inverter ，...
  • Page 17 Depth Width Height × × × ×...
  • Page 18 (SG50CX) (SG40CX) MPPT Boost 1 AC EMI DC EMI Filter Filter Filter Relays MPPT DC n Boost 2 DC Bus Inverter Circuit DC switch AC SPD DC SPD Current (DC/AC) Monitoring *SG33/40/50CX: n= 3/4/5...
  • Page 19       ...
  • Page 20 Transformer Inverter Grid PV array Rise the to-ground electromotive force at the negative pole of the PV array  ...
  • Page 21   ...
  • Page 22 Power Factor Range 安全等级 Ⅰ Safety Class 过压等级 Ⅲ[AC], Ⅱ[DC] Overvoltage Category 防护等级 IP66 Enclosure 工作温度范围 Ambient Temperature -30℃ ... +60℃ 阳 光 电 源 股 份 有 限 公 司 SUNGROW POWER SUPPLY CO., LTD. 中国制造 www.sungrowpower.com Made in China...
  • Page 23 AC junction box Inverter (x1) Mounting-bracket (x1) Two-hole sealing block for M10 fastening screw sets (x4) DC connector sets communication terminal (x2) Documents Screws × × × ...
  • Page 24   ...
  • Page 25    IP66...
  • Page 26    Max. RH: 100% Min. -30°C Max. +60°C (non-condensing)   Confined space    Made of non-inflammable materials Max. load bearing capacity ≥ 4 times of inverter weight  °...
  • Page 27 Horizontal Backward Forward Vertical Upside down 10°  ≥500mm ≥600mm ≥200mm ≥1000mm ≥650mm  ≥600mm ≥600mm ≥600mm ≥200mm  ≥500mm ...
  • Page 28 ≥ 880.0 φ φ...
  • Page 29 ...
  • Page 30   ...
  • Page 31 φ...
  • Page 32 × × 1.5N.m...
  • Page 33 16mm 35N.m ×...
  • Page 34 4.5N.m × × ×...
  • Page 35 1.5N.m...
  • Page 36 16mm 35N.m...
  • Page 37 4.5N.m...
  • Page 38        ...
  • Page 39 (SG50CX) (SG40CX) COM1 COM2 COM3 COM4 (SG33CX)
  • Page 40 Inverter ＜ ≤...
  • Page 41 ＞  ...
  • Page 42 L = E + (2~3)mm 4.2~4.5N.m...
  • Page 43    ...
  • Page 44   ℃  ±        ...
  • Page 45 17mm 14.5mm 37.4mm 15mm 30.5 -0.5  Aluminium adapter terminal Flange nut Aluminium cable...
  • Page 46 Outer Diameter: D L = E + (2~3)mm 135mm...
  • Page 47 10~12 N.m ×...
  • Page 48 72mm 8~12N.m   ...
  • Page 49 DC 1 PV 1 MPPT1 DC 2 DC 1 Inverter PV 2 MPPT2 DC 2 DC 1 PV n MPPT3 DC 2 *SG33/40/50CX: n= 3/4/5  ...
  • Page 50 Positive Crimp Contact Negative Crimp Contact   Positive Insulator Negative Insulator Crimp Contact Crimp Contact Cable Gland Cable Gland...
  • Page 51 880.0...
  • Page 53 Upper layer RS485-1 interface (RJ45) RS485-1 dip switch RS485 120ohm A1 A1 B1 B1 RS485-1interface RS485-2 interface (terminal block) Lower layer DI DI PGND PGND NC COM NO CON1 Emergency stop dry contact Fault output dry contact RS485-1 interface (RJ45) RS485-1 dip switch RS485 120ohm...
  • Page 54 Ω RS485 Inverter 120ohm A1 A1 B1 B1 ON OFF Logger...
  • Page 55 RJ45 RJ45 RJ45 Terminal Block Terminal Block Terminal Block A1 A1 B1 B1 A1 A1 B1 B1 A1 A1 B1 B1 Inverter 1 Inverter 2~(N-1) Inverter N Monitoring station Logger   120Ω...
  • Page 56 120ohm 120ohm 120ohm Inverter Inverter 2~(N-1) Inverter N Monitoring station Logger  ...
  • Page 57 7 mm 20 mm 0.2 N.m...
  • Page 58 33mm 6~8 N.m Wire sequence: Pin 1: White-and-orange 2: Orange Pin 3: White-and-green 4: Blue Pin 5: White-and-blue Pin 6: Green Pin 7: White-and-brown Pin 8: Brown 1 2 3 4 5 6 7 8 Pin 3 and Pin 6 are for communication connection RS485- B RS485+ A...
  • Page 59 33mm 6~8 N.m...
  • Page 60 Lower layer DI DI PGND PGND NC COM NO CON1 Emergency stop dry contact Fault output dry contact ＆ ＆ 逆变器 Inverter interior Inverter interior Free of fault, Fault occurs, relay trips. relay does not trip. Circuit is connected, and Circuit is disconnected, and LED indicator gets on LED indicator is off...
  • Page 61 Inverter interior DI DI PGND PGND Controlled switch Inverter 2 Inverter N Inverter 1 DI DI PGND PGND DI DI PGND PGND DI DI PGND PGND Controlled switch...
  • Page 62 Inverter 2 Inverter N Inverter 1 DI DI PGND PGND DI DI PGND PGND DI DI PGND PGND Controlled switch A1 A1 B1 B1 A1 A1 B1 B1 A1 A1 B1 B1 Logger Ethernet port RS485 terminal Network port Ω...
  • Page 64       ...
  • Page 65     ...
  • Page 66 iSolarCloud iSolarCloud Home Faults and alarms Running information Power generation History record Events More Parameter setting System parameter Password change ...
  • Page 67   Nameplate QR code...
  • Page 68 “ ” ，   Set according to local standards...
  • Page 69 SG33CX PID recovery...
  • Page 70 Fault Alarm...
  • Page 71 ℃...
  • Page 72  ...
  • Page 74  ...
  • Page 86   ...
  • Page 87   ...
  • Page 90 ℃ ℃ ， ，...
  • Page 91 × × × × × × ≤ ℃ ℃...
  • Page 92          ...
  • Page 93    ...
  • Page 95 Sungrow Power Supply Co., Ltd. Add: No.1699 Xiyou Rd.,New & High Technology Industrial Development Zone, 230088,Hefei, P. R. China. Post Zip: 230088 Web: www.sungrowpower.com Tel: +86 551 6532 7834/6532 7845 E-mail: info@sungrow.cn Fax: +86 551 6532 7856 Specifications are subject to changes without advance notice.

This manual is also suitable for:

Sg40cxSg50cx