100 hp (75 kW) VFD, 3 Phase 230V, 400V, 460V

100 hp (75 kW) VFD in low price, three phase 230V, 400V, 460V variable frequency drive for energy savings, strong over-current capacity, brand new direct sale by China manufacturer.
Free shipping
Delivery date: 6 - 12 days
$3,573.00
$3,197.41

100 hp (75 kW) variable frequency drive for AC motor speed controls, three phase 230V, 400V, 460V for selection.

Specification:

Basics Model GK3000-4T0750G
Capacity 100 hp (75 kW)
Shipping weight 50 kg
Dimension 618*398*306 mm
I/O Feature Rated current 150 A
Input voltage 3 phase 230V /400V /460V AC ±15% (Optional)
Input frequency 50Hz/ 60Hz
Output voltage 3 phase AC 0~input voltage
Output frequency 0.00~400.00Hz
Over load capacity 150% of rated current for 1 minute, 180% of rated current for 3 seconds
Control Feature Control mode V/F control;
Sensorless vector control;
Communication RS485
Speed regulation 1:100
Start torque 150% of rating torque at 1 Hz
Speed control accuracy ≤±0.5% of rating synchronous speed
Frequency precision Digital setting: max frequency x± 0.01%;
Analog setting: max frequency x± 0.2%
Frequency resolution Analog setting: 0.1% of max frequency;
Digital setting: 0.01Hz
Torque boost Automatic torque boost, manual torque boost 0.1%~30.0%
Interior PID controller Be convenient to make closed-loop system
Automatic energy save running Optimize V/F curve automatically based on the load to realize power save running
Automatic voltage regulation (AVR) Can keep constant output voltage when power source voltage varies.
Automatic current limiting Limit running current automatically to avoid frequent over-current which will cause trip
Environment Enclosure rating IP 20
Temperature –10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
Humidity 5%-95%, without condensation
Altitude ≤1000m; VFD will be derated if above 1000m
Impingement and oscillation Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
Store environment –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

 

Tips: What's the lowest and highest operating frequency/speed of a VFD?
For a universal variable frequency drive (VFD), in general the lowest frequency/speed is zero and the highest frequency will depend upon the driven equipment. The motor for a water pump can run as high as 15000 rpm. Generally in power plants and auxiliaries this speed is 1500 rpm or 3000 rpm.

The VFD is supposed operate from the lowest to highest speed. The VFD manufacturer will give the range, e.g. 0Hz to 400Hz. Running it outside this range is certainly catastrophic especially at higher end. The balancing should be valid for the entire range not just one speed (Within tolerances).

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PDF: GK3000 VFD User Manual
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