37 kW Three Phase Solar Pump Inverter

$1,878.54

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37kW / 50 hp solar pump inverter, supports both DC (from 450VDC 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.

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Delivery date: 6-12 days

SKU: GK330-037D-3B

Input Voltage (Three Phase) ±15% *

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Overview
Specifications
Reviews

Overview

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	490310274 mm
Input Feature	Input voltage	DC 450~750V, recommend DC 600~700V for 3-phase 380/400/415/440/460/480V motor Three phase 220/380/480V AC (±15%)
	Vmp/Voc voltage	VMP≥560V, voc≤800V
	Rated input current	76 A at 380/480V
	Input frequency	47~63 Hz
	Input power of solar panel	About 1.5 times the solar pump inverter rated power
Output Feature	Output voltage	Three phase 0~rated input voltage
	Rated output current	75 A at 380/480V
	Output frequency	50Hz/ 60Hz (output 0-300Hz please contact us) DC 450~550V corresponds to 0-50Hz for 380/480V AC
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 260~350V, DC 450~750V), 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.
Protect itself in trouble and improve the reliability of whole system.
The bypass- AC source which runs automatically when the sun is Not sufficient or absent.

solar pump inverter wiring application Tips: 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.

Specifications

Products specifications

Attribute name	Attribute value
User Manual	Solar Pump Inverter User Manual

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Existing reviews

Efficient and stable, perfect choice for solar water pumping

This 37 kW 3-phase solar water pump inverter I bought is amazing! Its efficient energy conversion allows me to easily drive the water pump while utilizing solar energy to maximize energy use. The compact design saves space and is simple to operate, making it easy to install and operate even for non-professionals. I especially like its stability and reliability, which is excellent regardless of the weather conditions. All in all, this inverter not only meets my energy needs, but also allows me to contribute to environmental protection. Highly recommended!

From: Grace Tan | Date: 8/30/2023 7:36 PM

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