1.200% starting torque at 0Hz 2.Speed adjustment range: 1:1000 3.Free switchover between two motors parameters
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 AC motor drive for lift elevator escalator