1 hp VFD, Single Phase to Three Phase VFD

Affordable 1hp VFD, single phase 208V - 240V AC input, three phase output variable frequency AC drive, 220V 4 amps, manufacturer direct sale.
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Delivery date: 6 - 12 Days

1hp variable frequency drive, single phase to three phase VFD, 220V AC.


Basics Model GK3000-2S0007
Capacity 1 hp (0.75 kW)
Shipping weight 2 kg
Dimension 142*85*113 mm
I/O Feature Rated current 4 A
Input voltage 1 phase 220~240V AC
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: Considerations of selecting a VFD

When you use a Variable Frequency Drive (VFD), you need not worry about initial inrush, as its starting current will be only 100% of full load current. But this is not the main criteria for VFD selection. You have to find out the nature of load ie whether it is a constant load torque or variable load torque.

Nominal current demand will tell you the size required for the VFD selection but also you need to look at the application requirement for features. Proper torque control considerations, proper protection from the applications environment and harmonics too. Reaching out to a trained rep from a distributor of quality VFDs is best.

As those astute applications, there is not enough information.
1) What is the load? (CT or VT)
2) What is the voltage of the motor?
3) What is the duty cycle (how many starts/ stops per hour)
4) Are there any unusual operating conditions?

With this information, most VFD manufacturers should begin to address your application. REMEMBER, more info is always better that too little. Also you can follow this selection guide.

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Existing reviews

1 phase input to 3 phase output VFD
Yes, you can use GoHz single phase 220/230/240V to three phase 220/230/240V VFDs to do so.
By GoHz.com on 22/06, 2017
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VFD for 1hp machine
I live in the UK, where the domestic voltage is 240 volts single phase, and industrial voltage is 415 volts 3 phase.  I have a 1hp machine (a lathe) that will work on either 230 volts 3 phase, or 415 volts 3 phase.

Can I use a single phase 240 volt VFD, set at a fixed 50 Hz output, to act as the 230 volt 3 phase input to the 1 hp lathe?  I understand that I would need to sum up the total power usage of the machine and set the VFD output maximum current accordingly.

If this was deemed to be ok, I assume I would just need a single push button to enable the drive on initial power up. Any comments will be appreciated.
By Colin on 22/06, 2017
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