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18.5 kW Three Phase Solar Pump Inverter

18.5 kW Three Phase Solar Pump Inverter

18.5 kW (25 hp) solar pump inverter / solar variable frequency drive, built-in MPPT controller, intelligent track maximum power point, automatic regulation of pump flow, converts DC 450V-750V from the solar panel to 3-phase AC voltage.
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SKU: GK330-018D-3B
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Delivery date: 6-12 days
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$1,149.35
Products specifications
Attribute name Attribute value
User Manual

PDFSolar Pump Inverter User Manual

DC/AC 18.5 kW MPPT based solar Pump VFD, dual mode DC and AC input with strong anti-jamming capability, stable frequency output for solar water pumping.

Specification

Basics Model GK330-018D-3B
Capacity 18.5 kW (25 hp)
Weight 19 kg
Product dimension 345*230*203 mm
Input Feature Input voltage DC 260~350V, recommend DC 300~350V for 3-phase 220/230/240V motor;
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 220V
38.5 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 220V
37 A at 380/480V
Output frequency 50Hz/ 60Hz (output 0-300Hz please contact us)
DC 270-320V corresponds to 0-50Hz for 220VAC, DC 450-550V corresponds to 0-50Hz for 380/480VAC
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
Warranty 18 months

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: Solar AC water pump vs. DC water pump
At present, the DC pump power on the market is relatively small, and the maximum power is about 2KW-3KW. The solar AC pump power can reach more than 100 KW, and the power range is much wider than that of the DC pump.
In terms of use, if the head and water demand are small, a DC pump can be selected. When high lift or high flow is required, then the AC pump can be selected.
A simple example: a DC pump is equivalent to a small car, and an AC pump is equivalent to a bus. In the case of transporting a few people, you can use a small car. When transporting dozens or hundreds of people, the bus is more suitable.
Therefore, there is no good or bad difference between the solar AC water pump and the solar DC water pump, only the environment is different.

DC/AC 18.5 kW MPPT based solar Pump VFD, dual mode DC and AC input with strong anti-jamming capability, stable frequency output for solar water pumping.

Specification

Basics Model GK330-018D-3B
Capacity 18.5 kW (25 hp)
Weight 19 kg
Product dimension 345*230*203 mm
Input Feature Input voltage DC 260~350V, recommend DC 300~350V for 3-phase 220/230/240V motor;
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 220V
38.5 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 220V
37 A at 380/480V
Output frequency 50Hz/ 60Hz (output 0-300Hz please contact us)
DC 270-320V corresponds to 0-50Hz for 220VAC, DC 450-550V corresponds to 0-50Hz for 380/480VAC
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
Warranty 18 months

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: Solar AC water pump vs. DC water pump
At present, the DC pump power on the market is relatively small, and the maximum power is about 2KW-3KW. The solar AC pump power can reach more than 100 KW, and the power range is much wider than that of the DC pump.
In terms of use, if the head and water demand are small, a DC pump can be selected. When high lift or high flow is required, then the AC pump can be selected.
A simple example: a DC pump is equivalent to a small car, and an AC pump is equivalent to a bus. In the case of transporting a few people, you can use a small car. When transporting dozens or hundreds of people, the bus is more suitable.
Therefore, there is no good or bad difference between the solar AC water pump and the solar DC water pump, only the environment is different.

Products specifications
Attribute name Attribute value
User Manual

PDFSolar Pump Inverter User Manual
Existing reviews
Intelligent three-phase solar water pump inverter
Our family likes this smart three-phase solar water pump inverter. Its smart operation, water level detection and operation panel can prevent overflow and dry pumping, which can well protect the solar water pump inverter and our personal safety. It is highly recommended to buy.
Filipe Salgado | 11/26/2020 10:59 PM
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