7.5 hp VFD, Single Phase to Three Phase VFD

Customize 7.5 hp VFD with single phase input to three phase output, use it as a phase converter for single phase power supply to vary three phase motor speed.

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Delivery date: 6 - 12 Days

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Old price: $792.00

Price: $697.22

Quantity:

7.5 hp variable frequency drive, single phase 220v, 230v, 240v to three phase output.

Specification:

Basics	Model	GK3000-2S0055G
	Capacity	7.5 hp (5.5 kW)
	Shipping weight	11 kg
	Dimension	339231214 mm
I/O Feature	Rated current	24 A
	Input voltage	1 phase 220V /230V /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: Summarize some important information of the impact on cable size of a motor
1) Always check the wiring to match the load profile - see motor nameplate data.
2) All motors are not created equal. If the motor is not rated for use with VFD, it is certain to fail quickly and dramatically, either by failure of insulation (and arc to chassis / ground) or by bearing failure due to circulating currents. So if it is not rated for VFD, don't use it with a VFD.
3) All cables are not created equal. VFDs produce voltage spikes in the order of 1600-2000V while artificially generating the desired sine wave that drives the motor. This is 2-4x the rating of most electrical wire insulation. If the wire is not rated for this voltage, it will quickly fail, allowing the voltage to ACR to nearest conductor (or personnel) with dangerous or deadly results.

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PDF:	GK3000 VFD User Manual

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Interested in your 7.5hp VF Drives

I noticed your single phase input models go up to 7.5hp. so I looked up the model numbers in the user manual and according to the user manual they are manufactured for 3 phase input. So i am just wondering if that is a mistake because i am looking for a 7.5hp with single phase input but if it was designed for three phase then i will have to derate.

By Colin on 04/07, 2017