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30 hp (22 kW) VFD, 3 Phase 208V, 440V, 460V

5 out of 5 based on 3 reviews | Write a review

$1,264.30

Cheap price 30 hp (22 kW) VFD, three phase 208V, 440V, 460V high performance variable frequency drive, IP20, RS485 enabled, brand new direct sale by manufacturer.

Input Voltage (Three Phase) ±15%

SKU: GK3000-4T0220G

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Delivery date: 6-12 days

Overview
User Manual

30 hp (22 kW) high performance variable frequency drive, three phase 208V, 440V, 460V for selection, manufacturer direct sale.

Specification:

Basics	Model	GK3000-4T0220G/ GK3000-2T0220G
	Capacity	30 hp (22 kW)
	Shipping weight	8 kg
	Dimension	330200200 mm for GK3000-4T0220G/ 555310260 for GK3000-2T0220G
I/O Feature	Rated current	45A at 380V ~ 480V, 91A at 220V ~ 240V
	Input voltage	3 phase 208V /440V /460V AC ±15% (Optional)
	Input frequency	50Hz/ 60Hz
	Output voltage	3 phase AC 0~input voltage
	Output frequency	0Hz~1000Hz
	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: Variable frequency drive overheated
Overheating is also a relatively common failure of VFD, which is mainly caused by high environment temperature, fan locked-rotor, poor temperature sensor performance or motor overheating.
For example, a 30 hp VFD displays "OH" after running for about half an hour.
Analysis and maintenance: Because the failure happens after a period of running, so the temperature sensor is not likely to be broken. Maybe VFD temperature is truly high. After power on, find the fan is slowly rotating, and there is a lot of cotton inside the shield (VFD is used in the textile industry). After cleaning the fan, VFD runs well, and doesn't display the failure for hours of running.

PDF:

GK3000 Series VFD User Manual

Quick Setup Manual & Application

VFD Troubleshooting Guide

Existing reviews of 30 hp (22 kW) VFD, 3 Phase 208V, 440V, 460V

A series of question about VFD

can the VFD start normally after removing the motor?
After the VFD displays the E09 fault, please click the shift key on the panel >> to switch to b-12. What is the current value displayed by b-12 in A?
The VFD does not display E09 fault
The VFD starts, the motor turns and tightens up the chains and then stops, will NOT drive the chains with a load on them
The drive does not fault, it just sits there trying
You can tell the motor is trying to move, it maintains tension on the chain but will not move it
If you stop the VFD, the chain gets loose again
That is all the info available

From: Colin | Date: 23/10/2023

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ATO Responded

Based on your description, we think the 30HP VFD should be overloaded, because after removing the motor, it can run normally without load.

Therefore, the chain connected to the motor should be a heavy load.
In order to verify this problem, you can ask your customer to remove the chain on the motor, remove the tension, and then VFD and motor again to check whether the 30HP motor can run without load?

If the motor can run without load, it means that the load of the chain is very large and the VFD is overloaded.

What is the best way to set up the parameters for the motor I have installed in the system?

I am not using the displayed numbers. I have attached a True RMS and an RMS clip-on ampere meter to both the input and out terminals. The difference between the True RMS and RMS meters on the input terminal is about 1.5, which makes sense since you are assuming a 1.5 delta between the numbers. One thing both meters agree on is the output of the VFD. They both agree the ampere's read there are just about 30 AMPs. This does not change much if there is a load or not, which surprised me. What surprises me is when there are no restrictions to the flow of water through the pump, the amperes are really high on the input side. Yet when I constrict the flow, the input amps drop like a rock. I would have thought the amps would be greater with a restriction since the pump needs to work harder to push the water. But I'm wrong. What is the best way to set up the parameters for the motor I have installed in the system? Should I peck in the configuration information, or does the Senseless Vector control perform the best?

From: Abys | Date: 11/08/2023

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ATO Responded

Please do not worry, we think your VFD is working fine. In fact, the current output by the VFD is related to the operating load capacity of the pump: when you do not limit the flow, the pump needs to run at full speed, and the load is larger, and the relative current is larger. Conversely, when the pump is limiting flow, the pump does not need to run at full speed to reach the target water flow, and the current is relatively low, which is normal. Now you just need to change the circuit breaker on the input side of the VFD to a larger capacity 80A. VFD does not need to set motor parameters.

3 phase vfd can be run CNC spindle motors?

My supply voltage is 3 phase, 480V, can I use your 3 phase drive, and adjust its output to 380V, 400Hz to run my CNC spindle motor?

From: Kennedy | Date: 01/08/2021

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ATO Responded

Yes, of course.

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