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0.75 kW Solar Pump Inverter, DC/AC Input to 3ph AC Output

Best sale 0.75 kW 1 hp solar pump inverter with low cost, supports both DC and AC power inputs solar pump inverter controller, converts DC or single phase input to 0~input voltatge three phase AC output for irrigation system.
SKU: GK330-R7D-1B
Free shipping
Delivery date: 6-12 days
$305.85
Products specifications

0.75 kW solar water pump inverter, 1 horsepower MPPT based solar pump VFD, applicable to 3 phase 208-240 volt induction motor, manufacturer direct sale.

Specification

Basics Model GK330-R7D-1B
Capacity 0.75 kW (1 hp)
Weight 2.4 kg
Product dimension 189.5*167*120 mm
Input Feature Input voltage DC 200~350V
Single phase AC 220V ±15%
Rated input current 8.2 A
Input frequency 47~63 Hz
Output Feature Output voltage Three phase 0~rated input voltage
Rated output current 4 A
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.
  • Protect itself in trouble and improve the reliability of whole system.

solar pump inverter wiring application

Tips: Polycrystalline silicon solar panel vs. monocrystalline silicon solar panel
Photoelectric conversion efficiency: 
The conversion efficiency of monocrystalline silicon is 17%-25%, and the conversion efficiency of polycrystalline silicon is about 16%, but the price of monocrystalline silicon is higher than polycrystalline silicon.
The difference between monocrystalline silicon and polycrystalline silicon:
The surface of the monocrystalline silicon is black, and the surface of the polycrystalline silicon is blue or colored.
monocrystalline silicon receives light in one direction, and polysilicon receives light in multiple directions.
At the same power capacity, the area of the polysilicon plate is 1.1 times larger than that of the single crystal silicon.

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