Jiangsu Gtake Electric Co., Ltd.
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  • Contact Person : Mr. Fan Richard
  • Company Name : Jiangsu Gtake Electric Co., Ltd.
  • Tel : 86-755-86392601
  • Fax : 86-755-86392603
  • Address : Guangdong,Shenzhen,Bulding10 zhong-yun-tai technology park
  • Country/Region : China
  • Zip : 518108

close loop vector control variable frequency drive for lift elevator escalator

close loop vector control variable frequency drive for lift elevator escalator
Product Detailed
Related Categories:Inverters & Converters
1.Advanced close-loop vector control 2.Flexible frequency command source

 Technical Features of GK800 series 

Power input

Rated input voltage

3-phase AC208V/AC220V/AC230V/AC240V/AC380V/AC400V/AC415V/AC440V/AC460V/AC480V

1-phase

AC208V/AC220V/AC230V/AC240V

Rated input current

See Section 2.3 in user manual

Frequency

50Hz/60Hz, acceptable fluctuation range +/-5%

Allowed voltage range

Continuous voltage fluctuation +/-10%, short fluctuation -15%~+10%, i.e. 323V~528V;

Voltage out-of-balance rate <3%, distortion rate as per the requirements of IEC61800-2

Power output

Standard applicable motor (kW)

See Section 2.3 in user manual

Rated current (A)

See Section 2.3 in 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 once per 10 minutes

Operational control characteristics

Control mode

V/f control

Sensor-less vector control without PG 1

Sensor-less vector control without PG 2

Close-loop vector control with PG (including position control)

Range of speed regulation

1:100 ( V/f control, sensor-less vector control without PG 1)

1:200 (sensor-less vector control without PG 2)

1:1000 (close-loop vector control with PG)

Speed control accuracy

+/-0.5% (V/f control)

+/-0.2% (sensor-less vector control without PG 1 & 2)

+/-0.02% (close-loop vector control with PG)

Speed fluctuation

+/-0.3% (sensor-less vector control without PG 1 & 2)

+/-0.1% (close-loop vector control with PG)

Torque response

< 10ms (sensor-less vector control without PG 1 & 2)

< 5ms (close-loop vector control with PG)

Torque control accuracy

+/-7.5% (sensor-less vector control without PG 2)

+/-5% (close-loop vector control with PG)

Starting torque

0.5Hz: 180% (V/f control, sensor-less vector control without PG 1)

0.25Hz: 180% (sensor-less vector control without PG 2)

0Hz: 200% (close-loop vector control with PG)

Positioning accuracy

+/-1 line pulse

Basic functions

Start frequency

0.00~ 600.00Hz

Acceleration/

deceleration time

0.00~60000s

Carrier frequency

0.7kHz~16kHz

Frequency command source

Digital setting + operating panel ∧/∨

Digital setting + terminal UP/DOWN setting

Communication setting

Analog setting (AI1/AI2/AI3)

Terminal pulse setting

Motor started method

Started from starting frequency

DC brake then started

Speed searching then started smoothly

Motor Stopped method

Ramp to stop

Coast to stop

Ramp to stop + DC brake

Basic functions

Dynamic brake capacity

Brake unit action voltage: 650V~750V; service time: 0.0~100.0s; brake unit for GK800-4T45 and below is built in

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

Seven digital input terminals, one of which can be used for high-speed pulse input. Compatible with active open collectors NPN, PNP and dry contact input

Three analog input terminals, one of which can be only used as voltage input, while the other two are optional for voltage/current.

Output terminals

One high-speed pulse output terminal, 0~50kHz square wave signal output; can output values, such as setting frequency and output frequency, etc.

Two relay output terminals

Two analog output terminal, voltage/current output optional; can output values, such as setting frequency and output frequency, etc.

Encoder signal terminal

Compatible with 5V/12V encoder

Compatible with different types of encoder signal input, such as open collector, pushpull and differential, etc.

Characteristics

Parameter copy, parameter backup, common DC bus, free switching between parameters of two motors, flexible function code displayed & hidden, various main & auxiliary settings and switchover, reliable speed search started, various acceleration & deceleration curves options, automatic correction of analog value, brake control function, 16-step speed programmable(2-step speed supports flexible frequency setting), swing frequency control operation, fixed-length control, counting function, three fault recorded, over excitation brake function, over-voltage stall prevention, under-voltage stall prevention, restart upon power off selectable, hopping frequency function, frequency binding function, free switch between four-segment acceleration/deceleration time, motor thermal protection, flexible fan action control, process PID control, simple PLC control, flexible multi-functional key setting, droop control, parameter identification of asynchronous and synchronous motors, weak magnetic control, high-precision torque restraint, V/f separated control, torque control without PG, torque control with PG, two encoder signal inputs (supporting incremental, UVW hybrid and rotating transformer, and other speed feedback modes), flexible deceleration ratio control, zero servo, main axis orientation, simple feed forward control, pulse train position control

Protection functions

Refer to Chapter VII - Fault Diagnosis and Abnormality Handling

Environment

 

Place of operation

Indoors, no direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, water drip or salt content etc.

Altitude

0~2000m

Derating is required where altitude is higher than 1,000m; each increase of 100m in height corresponds to a decrease in rated output current by 1%

Ambient temperature

-10°C~50°C

Humidity

5~95%, condensation not allowed

Vibration

Less than 5.9m/s2 (0.6g)

Storage temperature

-40°C~+70°C

Others

Efficiency

Rated power

7.5kW and below: ≥93%

11~ 45kW: ≥ 95%

55kW and above: ≥98%

Installation mode

Wall-mounted

Protection level

IP20

Cooling

Forced air cooling

Applications 

CNC lathe, wire drawing machine, wind/un-winder, elevator and escalator, crane, machine tool, conveyor, compressor, drilling machine, carding machine, roving machine, compressor, crusher, pump, fan, etc.

 

 

close loop vector control variable frequency drive for lift elevator escalator



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