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3 hp VFD, Single Phase 120V Input, 1ph/3ph 220V Output

5 out of 5 based on 4 reviews | Write a review

$346.10

3 hp single phase 120v input, single phase and three phase 220v output variable frequency drive, specially designed for 120v power supply, manufacturer direct sale.

SKU: GK3000-SP1S1-2d2

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Delivery date: 6-12 days

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3 hp (2.2 kW) VFD, single phase input & output, single phase to three phase, 110v-120v input, 220v-240v output.

Specification:

Basics	Model	EM15-SP1S1-2d2
	Capacity	3 hp (2.2 kW)
	Shipping weight	3 kg
	Dimension (W x H x D)	120205166 mm
I/O Feature	Rated current	10 A
	Input voltage	1 phase 120V AC ±15% (Set FE-00=0)
	Input frequency	50Hz/60Hz
	Output voltage	1 phase or 3 phase 220V AC ±15%
	Output frequency	0.00~400.00Hz
Control Feature	Control mode	V/F control; vector control
	Communication	Offer RS485 communication interface, support MODBUS-RTU communication protocol
	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%;
	Frequency precision	Analog setting: max frequency x± 0.2%
	Frequency resolution	Analog setting: 0.1% of max frequency;
	Frequency resolution	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	smaller than 95%RH, non-condensation
	Altitude	≤1000m; VFD will be derated if above 1000m
	Vibration	Less than 5.9 m/s2 (0.6 g)
	Cooling	forced air cooling
	Store environment	–20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

Tips: Running a 3-phase motor from single phase supply

If you want to connect a 3-phase motor to a single phase power supply, then you have several solutions:

Professional: use a VFD with single phase input and convert to 3-phase output, this is generally available for low power VFD (few horsepower).
Professional: apply a specially wound transformer that also mimic a 3-phase system from a single phase power supply. Expect difficulties to source and high price.
DIY: calculate a capacitor that will be connected between the remaining phases, such to apply it a phase shift and to mimic a 3-phase system.

How to run a three phase or single phase motor with ATO VFD on 120V power supply. Take a 2 hp, single phase 120V input, single phase or three phase 220V output variable frequency drive as an example. It shows you how to wire, set parameters, commissioning VFD, run motors, etc.

PDF:

110v/120v Input VFD User Manual.pdf

110v/120v Input VFD Quick Setting.pdf

Existing reviews of 3 hp VFD, Single Phase 120V Input, 1ph/3ph 220V Output

3hp VFD question answering

Do we still need to debate VFDs when used on single phase input power like we did with the older VFDs or have you done something like beefing up the input diodes and caps so they will be able to output the same power as on 3 Ph?

From: Pilgrim | Date: 05/04/2021

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ATO Responded

For our 1-phase To 3-phase drive, no need to oversize, we care about that in design, just consider 10% margine above rated output current referred at each model seen at our web site.

3hp VFD output voltage

I am trying to drive a custom solenoid at variable frequency. Curious to know if the output voltage of GK3000-SP1S1-2d2 is variable.

From: Pence | Date: 10/06/2021

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ATO Responded

We recommend to use the drive with motors only. And yes, the output voltage is variable.

What's wrong with my 3hp VFD?

I got a problem with your drive, with a 3 phases motor the output voltage drop to 150 and without load it has 220. What's wrong?

From: Glack | Date: 25/05/2022

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ATO Responded

The problem you mentioned is probably caused by the over load current driven by the motor is huge, and then the input voltage and bus bar voltage to be low. You can try to set F0-10=60, F0-12=60, F0-17=10, F0-18=10, then rerun the VFD and test again. When the VFD is running, you can switch the shift key >>U0-03 & U0-04, to see the voltage and current output from the VFD real-time. If the VFD cannot working properly, you may need to replace a larger capacity VFD.

Is it safe to do so?

So I wired my AC Variable frequency drive to my single phase 220V motor, on first start up it ran fine for about 3 or 4 min, and then the starting capacitor got hot and started to smoke, and a small mount of the oil came out of the capacitor. I believe what happened is the switch never engaged so I stayed on the start up windings. So it will run if I give it a little help getting it to spin, but that capacitor gets really hot. The centrifugal switch will not ingage until it is at about 75% rpms. And I am trying to run the motor at much slower speeds. Is it possible to bypass the centrifugal switch and the bad capacitor possibly? Is it safe to do so?

From: Diggy | Date: 01/03/2023

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ATO Responded

This is a problem with the characteristics of the single-phase motor itself, so we do not recommend that the single-phase motor run for a long time at low frequency and low speed, otherwise the motor capacitor will heat up. Because the starting capacitor of the single-phase motor is only used to assist the motor to start. If the motor runs at low speed for a long time and the centrifugal switch is not disengaged, it will cause heat damage to the motor. If you want the motor to run at low frequency and low speed, we suggest you use a three-phase motor, or you can try to change the internal winding circuit of your single-phase motor to three-phase wiring and remove the capacitor.

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