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37 kW Three Phase Solar Pump Inverter

37kW / 50 hp solar pump inverter, supports both DC (from 350VDC to 750VDC) and AC power (380v, 400v, 480v) inputs solar pump controller, in-built MPPT with high efficiency, adjust the output frequency in real time according to changes in sunlight intensity.
SKU: GK330-037D-3B
Free shipping
Delivery date: 6-12 days
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$1,878.54
Products specifications

Inexpensive 37 kW solar pump inverter / VFD, invert the DC supply of the solar panel to three-phase alternating current, auto adjust AC motor speed and water flow.

Specification

Basics Model GK330-037D-3B
Capacity 37 kW (50 hp)
Weight 30 kg
Product dimension 490*310*274 mm
Input Feature Input voltage DC 350~750V
Three phase 380/480V AC (±15%)
Rated input current 76 A at 380/480V
Input frequency 47~63 Hz
Output Feature Output voltage Three phase 0~rated input voltage
Rated output current 75 A at 380/480V
Output frequency 0~400 Hz
Control        Control mode SVPWM, SVC
Motor type Asynchronous motor
Speed ratio Asynchronous motor 1:100 (SVC)
Speed control accuracy ±0.2%(SVC)
Speed fluctuation ±0.3%(SVC)
Torque response <20ms (SVC)
Torque control accuracy 10%(SVC)
Starting torque 0.25 Hz / 150% (SVC)
Overload capability 150% of rated current: 1 minute
150% of rated current: 10 seconds
200% of rated current: 1 second
Running control Frequency setting method Digital settingAnalog setting
Pulse frequency setting
Multi-step speed running settingSimple PLC setting
PID setting, MODBUS communication setting
Shift between the set combination and set channel
Operation method Keyboard/ terminal/ communication
Auto-adjustment of voltage Keep a stable voltage automatically when the gird voltage transients
Fault protection Overcurrent, overvoltage, undervoltage, overheating, phase loss, overload, etc.
Special functions for PV water pumps Maximum power tracking, pre-warning at weak light, auto wake up at strong light,
Pre-warning when full water, auto wake up at low water level,
Underload pre-warning and protection of water level sensor,
When pre-warning, the inverter is in stand-by
Environment Environment temperature -10℃~40℃ (environment temperature is among 40℃~50℃; please use it with derating)
Storage temperature -20℃~65℃
Environment humidity Less than 90 % R.H, not exceeding 90% R.H
Altitude, Vibration Below 1000 m, below 5.9m/s² (=0.6g)
Cooling method Forced cooling and natural air cooling
Enclosure rating IP 20

Features

  • Solar pump inverter adopts advanced MPPT control technology, real-time detection of solar panels power voltage, tracking the highest voltage and current, efficiency is as high as 98%.
  • It can enter automatically to sleep mode when the intensity of sunlight is weak, as well as can exit the sleep mode when the intensity of sunlight is becoming strong.
  • Automatic sleep when on high-water level and automatic restart when on low-water level to realize automatic control through water level.
  • Multiple power supply design, power input can be solar energy photovoltaic DC power supply (DC 200 ~ 350V, DC 350~750V), can also be single phase or three phase AC power, simple wiring.
  • Smart operation, water level detection and operation panel to prevent overflow, dry pumping (optional).
  • Protect itself in trouble and improve the reliability of whole system.

solar pump inverter wiring applicationTips: The power air switch trips after the solar pump system is powered up
Check if the input power supply is grounded or shorted. If this problem does not exist, check if the rectifier bridge of the solar pump inverter has broken down. If it is damaged, seek service from the manufacturer.

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