GK800-4T132 Variable Speed AC Drives

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GK800 Closed-loop Vector Control Variable Speed AC Drives

GK800 Series High Performance Variable Speed AC Drives, adopting most advanced close-loop vector control technology, are able to perform precise control on both asynchronous motors and permanent magnet synchronous motors. GK800 series, one of the real drives leaders, are superb in demanding applications with excellent performance no matter in speed control, torque control, position control, field weakening control, or response time, and so on.

Product Description

Some advantages of closed-loop vector control Variable Speed AC Drives

Based on the top software and hardware elite, modern and scientific producing workmanship, rigorous quality control systems and management team, GTAKE Variable Speed AC Drives have many advantages, some of which are listed as below:

Apply to asynchronous AC motor and permanent magnet synchronous AC motor;

Starting torque:180% at 0.25Hz (SVC pattern), 200% at 0Hz (VC pattern);

Speed adjustable range: 1:200 (SVC pattern), 1:1000 (VC pattern);

Speed accuracy: +/-0.2% (SVC pattern), +/-0.02% (VC pattern);

Over load capability: 150% 1minute, 180% 10s, 200% 0.5s;

Abundant frequency command sources;

Diverse input and output terminals;

Ambient temperature: -10°C~50°C;

High precise torque constraint, process PID control, simple PLC, wobble frequency control, contracting brake control, field weakening control, all sides protection, etc.

Online and offline autotune of motor parameters can both performed;

Extremely short-time acceleration can be performed without any trip, such as 0.1s or 0s from 0Hz to 50Hz;

No derating ambient temperature: -10-50 centigrade;

Customized products and services are also welcome;

Flexible command sources, parameters setting, and all sided equipment protection function automatically;

The malfunction ratio is lower than 1% within warranty period, based on the statistics.

Technical Features of GK800 series Variable Speed AC Drives

3AC 380V/400V/415V/440V/460V/480V -10%~10%, 50Hz/60Hz -5%~5%

Model	Power Rating (kW)	Rated Output Current (A)	Rated Input current (A)	Applicable motor (kW)	Brake unit
GK800-4T2.2B	2.2	5.5	9.2	2.2	Built-in
GK800-4T3.7B	3.7	9	14.9	3.7
GK800-4T5.5B	5.5	13	21.5	5.5
GK800-4T7.5B	7.5	17	27.9	7.5
GK800-4T11B	11	24	39	11
GK800-4T15B	15	30	50.3	15
GK800-4T18.5(B)*	18.5	39	60	18.5	Built-in optional
GK800-4T22(B)*	22	45	69.3	22
GK800-4T30(B)*	30	60	86	30
GK800-4T37(B)*	37	75	104	37
GK800-4T45(B)*	45	91	124	45
GK800-4T55	55	112	150	55	Externally mounted when needed
GK800-4T75	75	150	201	75
GK800-4T90	90	176	160**	90
GK800-4T110	110	210	192**	110
GK800-4T132	132	253	232**	132
GK800-4T160	160	310	285**	160
GK800-4T185	185	350	326**	185
GK800-4T200	200	380	354**	200
GK800-4T220	220	430	403**	220
GK800-4T250	250	470	441**	250
GK800-4T280	280	520	489**	280
GK800-4T315	315	590	571**	315
GK800-4T355	355	650	624**	355
GK800-4T400	400	725	699**	400

** means GK800-4T110 or above is provided with an external-mounted DC reactor in shipment as default

1AC/3AC 208V/220V/230V 50/60Hz -10%~10%, 50Hz/60Hz -5%~5%

Model	Power Rating (kW)	Rated Output Current (A)	Applicable motor (kW)	Brake unit
GK800-2T2.2B	2.2	10	2.2	Built-in
GK800-2T3.7B	3.7	16.5	3.7
GK800-2T5.5B	5.5	24	5.5
GK800-2T7.5B	7.5	30	7.5
GK800-2T11(B)	11	45	11	Built-in optional
GK800-2T15(B)	15	60	15
GK800-2T18.5(B)	18.5	73	18.5
GK800-2T22(B)	22	96	22
GK800-2T30	30	112	30	Externally mounted when needed
GK800-2T37	37	144	37
GK800-2T45	45	176	45
GK800-2T55	55	210	55
GK800-2T75	75	288	75
GK800-2T90	90	310(350)	90
GK800-2T110	110	415	110

Technical Features of GK800 Variable Speed AC Drives

Technical features of GK800 Variable Speed AC Drives

Power input	Rated input voltage	3-phase AC208V/220V/230V/240V/380V/400V/415V/440V/460V/480V
	Rated input current	See Section 2.3 in the User Manual
	Frequency	50Hz/60Hz, tolerance ±5%
	Allowable range of voltage	Continuous voltage fluctuation ±10%, short fluctuation -15%~+10%, i.e. 323V~528V;
	Allowable range of voltage	Voltage out-of-balance rate < 3%, distortion rate as per the requirements of IEC61800-2
Power output	Applicable motor (kW)	See Section 2.3 in the User Manual
	Rated current (A)	See Section 2.3 in the User Manual
	Output voltage (V)	3-phase: 0~ rated input voltage, error < ±3%
	Output frequency (Hz)	0.00~ 600.00Hz; unit: 0.01Hz
	Overload capacity	150% - 1min; 180% - 10s; 200% - 0.5s
Control characteristics	V/f patterns	V/f control
		Sensor-less vector control 1
		Sensor-less vector control 2
		Close-loop vector control (including position control)
	Speed range	1:100 (V/f control, sensor-less vector control 1)
		1:200 (sensor-less vector control 2)
		1:1000 (close-loop vector control)
	Speed accuracy	±0.5% (V/f control)
		±0.2% (sensor-less vector control 1 & 2)
		±0.02% (close-loop vector control)
	Speed fluctuation	±0.3% (sensor-less vector control 1 & 2)
	Speed fluctuation	±0.1% (close-loop vector control)
	Torque response	< 10ms (sensor-less vector control 1 & 2)
	Torque response	< 5ms (close-loop vector control)
	Torque control accuracy	±7.5% (sensor-less vector control 2)
	Torque control accuracy	±5% (close-loop vector control)
	Starting torque	0.5Hz: 180% (V/f control, sensor-less vector control 1)
		0.25Hz: 180% (sensor-less vector control 2)
		0Hz: 200% (close-loop vector control)
	Positioning accuracy	±1 line pulse
Basic functions	Start frequency	0.00~ 600.00Hz
	Accel/Decel time	0.00~60000s
	Carrier frequency	0.7kHz~16kHz
	Frequency command sources	Digital setting + keypad ?/?
		Digital setting + terminal UP/DOWN
		Communication
		Analog setting (AI1/AI2/AI3)
		Terminal pulse setting
	Motor started methods	Started from starting frequency
		DC brake then started
		Speed search started
	Motor stopped methods	Ramp to stop
		Coast to stop
		Ramp to stop + DC brake
Basic functions	Dynamic brake capacity	Brake unit threshold voltage: 650V~750V; service time: 0.0~100.0s; brake units of GK800-4T45 and below are built in or can be built in. See table 2-1
	DC brake capacity	DC brake start frequency: 0.00~600.00Hz
		DC brake current: 0.0~100.0%
		DC brake time: 0.0~30.00s
	Input terminals	7 digital inputs, one of which can be used for high-speed pulse input. Compatible with active open collectors NPN, PNP and dry contact input.
	Input terminals	3 analog inputs, one of which supports voltage input only, and the other two are voltage/current programmable.
	Output terminals	One high-speed pulse output terminal, 0~50kHz square signal; can output command frequency, output frequency and so forth
		One digital output terminal
		Two relay output terminals
		Two analog output terminal, voltage/current programmable; can output command frequency, output frequency and so forth
Encoder signal terminal	Compatible with 5V/12V encoder
Encoder signal terminal	Compatible with different types of encoder signal input, such as open collector, push-pull and differential, etc.
Featured functions	Parameter copy, parameter backup, common DC bus, free switchover between two motors’parameters, flexible parameter displayed & hidden, various master & auxiliary command and switchover, reliable speed search started, a variety of Accel/Decel curves programmable, automatic correction of analog, contracting brake control, 16-step speed control programmable (2 steps support flexible frequency command), wobble frequency control, fixed length control, count function, three faults recorded, over excitation brake, over voltage stall protection programmable, under voltage stall protection programmable, restart upon power loss, skip frequency, frequency binding, four kinds of Accel/Decel time, motor thermal protection, flexible fan control, process PID control, simple PLC, multi-functional key programmable, droop control, asynchronous and synchronous motor parameter identification, field-weakening control, high-precision torque control, V/f separated control, torque control at sensor-less vector control, torque control at close-loop vector control, two encoder signal inputs (support incremental, UVW hybrid and resolver, etc.), flexible deceleration ratio control, zero servo, motor spindle orientation, simple feed forward control, pulse train position control
Protection function	Refer to Chapter 7 - Troubleshooting
Environment	Place of operation	Indoors, no direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, water drop and salt, etc.




	Altitude	0~2000m
	Altitude	De-rate 1% for every 100m when the altitude is above 1000 meters
	Ambient temperature	-10?~50?
	Relative humidity	0~95%, no condensation
	Vibration	Less than 5.9m/s2 (0.6g)
	Storage temperature	-40?~+70?
Others	Efficiency at rated Amps	7.5kW and below: =93%
	Efficiency at rated Amps	11~ 45kW: = 95% 55kW and above: =98%
	Installation	Wall-mounted
	IP grade	IP20
	Cooling method	Fan cooled

6.Applications of GTAKE AC Motor Drives (VFDs)

Hoists and Cranes
	Tower cranes	Sufficient start torque, fast response ; Two motor profiles programmable; Contracting brake control; Overall protection.
	Bridge cranes
	Port cranes
	Construction cranes
	Passenger elevators
	Cargo elevators
	Winches
	Mine hoists
Metal Processing
	High-speed engraving and milling machines	Adequate output torque at low frequency; Position control modes programmable; High precision speed control; Overall protection; Abundant interfaces and parameter copy function.
	Machining centers
	Deep-hole drilling machines
	Lathes
	Milling machines
	Grinding machines
Winding and Unwinding
	Printing machines	Intelligent process control; Specific functions; Molding control; Overall protection; Abundant interfaces and parameter copy function.
	Packing machine s
	Plastic puffing machines
	Wire drawing machines
Oil Pump Servo Drives
	Injection molding machines	Precise speed,low current; Precise ,fast responded PID control; Hardware and structure.
	Die casing machines
	Shoemaking machines
	Blowing moulding machines
	Construction machineries

In the trend of advocating smart and simple industrial automation, environmentally friendly products, value-added solutions, GTAKE as one of the world’s leading variable frequency drive manufacturers aggressively investing in R&D, production, and continuous quality improvement, is well positioned to provide its customers with technology-driven, performance-outstanding products such as VFDs, wind power converters, servo drives, HEV/EV motor controllers, helping its customers save energy and increase industrial productivity with sustainability on the one hand, and enhancing their entire value-chain quality, delivery, and services on the other hand.

Key words

Frequency inverters, AC Drives, variable frequency drives (VFD), AC motor drives, frequency converters, frequency changers, adjustable speed drives (ASD), adjustable frequency drives (AFD), , variable speed drives (VSD), AC motor speed controller, AC variable frequency drive, variable frequency inverter, AC motor speed controller, EMI filter, Input EMI Filters, Output EMI Filters, AC Choke, AC Reactor, Input AC Choke, Output AC Choke, Input AC Reactor, Output AC Reactor, DC Choke, DC Reactor, Input DC Choke, Output DC Reactor, Input DC Reactor, Servo Drive, Servo Motor & Drive, Servo Motor & Drive System

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