5 hp VFD, 1 phase to 3 phase VFD

Cheap price 5hp variable frequency drive, single phase to three phase VFD, 208V-240V, 17amps, RS485 enabled, manufacturer direct sale.
Free shipping
Delivery date: 6 - 12 days
$347.90
$274.31

Single phase 5 hp VFD, single phase 220V to three phase variable frequency drive, 17 amps.

Specification:

Basics Model GK3000-2S0037
Capacity 5 hp (3.7 kW)
Shipping weight 4 kg
Dimension 184*98*135 mm
I/O Feature Rated current 17 A
Input voltage 1 phase 220~240V AC ±15%
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: Do I need a VFD?
First question is about load speed / torque profile. If load need large speed variation, variable frequency drive (VFD) come with significant energy saving, if not, may be difficult to sustain VFD cost/ investment. First candidates to VFD are pump / fan systems. VFDs do provide some advantages, but there are also some disadvantages as well, like harmonics injection, motor insulation premature fails, cable reflection for lengths more than 10m. These issues must be controlled / put in balance. So, there are not advantages only by using a VFD.

For sure VFDs are big energy enablers. Yet official data announced that only 10 to 20% of motors are equipped worldwide. And even with new motor classes, we will not reach the same level of savings. The trend is now motor being embedded intelligence for energy savings, this push VFD manufacturers enhance the saving rates of the VFD. Finally, people and earth will benefit of their capabilities.

For the area where there is only single phase power supply available but you have three phase plant, in case of less than 5 HP, by far the most efficient and easy way to convert single phase to three phase are the variable frequency drives out that can be equipped with single phase front ends, and provide variable frequency three phase power. I have one 5hp VFD on my water pump and could not be happier, not just for the ability to use a three phase motor, but also soft start, dynamic breaking, speed control, and direction control.

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PDF: GK3000 VFD User Manual
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