Description

15 hp (11 kW) variable frequency drive, converts single phase to three phase for AC motor speed control.

Specification:

Basics	Model	GK3000-2S0110G
Capacity	15 hp (11 kW)
Shipping weight	8 kg
Dimension	330200200 mm
I/O Feature	Rated current	45 A
Input voltage	1 phase 220~240V AC
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, Sensorless vector control (SVC), Speed sensor vector control (FVC)
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

Note: ATO VFD Cannot be used as a power source, it Can only be directly connected to an induction motor to control the motor speed.

Details

Tips: How to set VFD acceleration and deceleration time?

RCF of VFD in starting and braking process is set by user. If the moment of inertia J and load of the motor increase or decelerate at a predetermined frequency, the acceleration torque may not be sufficient, thus resulting in the motor stall. Namely the motor speed is not in harmony with the output frequency of VFD, thus causing over-current or over-voltage. Therefore, the acceleration and deceleration time shall be set reasonably according to the moment of inertia and load of the motor, so that the RFC of VFD can be coordinated with the speed change rate of the motor.
The method to check whether this setting is reasonable is to select the acceleration and deceleration time according to experience. If over-current occurs during start-up, the acceleration time can be prolonged appropriately; In case the over-current occurs during braking process, the deceleration time shall be prolonged appropriately. In the other hand, the acceleration and deceleration time shall not be set too long, otherwise the production efficiency would be affected, particularly the frequent starting and braking.