GK100 Economical AC Motor Drive
GK100 is an economic AC drive with V/Hz & SVC control, jointly designed and produced by GTAKE and its partner company. The AC drive is stable in quality with very low fault rate ,powerful in performance including the in-built PID, multi-step frequecny, all-round protection, etc., and the most cost-effective in current market.
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, GK100 frequency inverters are equipped with advanced features, some of which are listed as below:
01 Starting torque: 150%, 0.25Hz (sensor-less vector control ), 150%, 0.5Hz (V/Hz control)
02 Speed accuracy: +/-0.5% (V/Hz control), +/-0.3% (sensor-less vector control)
03 Speed fluctuation: +/-0.5% (V/Hz control), +/-0.3% (sensor-less vector control)
04 Torque response: less than 10ms
05 Overload capability: 150% 1minute, 180% 10 seconds, 200% 0.5 second, once every 10 minutes
06 Output frequency: 0.00-600.00Hz
07 Abundant frequency setting sources
08 Diverse input and output terminals
09 Ambient temperature: -10°C~50°C
10 Process PID control, mechanical brake control, field weakening control, all-side protection, etc.
11 Extreme short-time acceleration can be operated without trip, such as 0.1s from 0Hz to 50Hz
| Mains Supply (R/L1,S/L2,T/L3) | |
| Supply voltage | 208-240V ±10% 380-440V ±10% |
| Power source frequency | 47-63 Hz |
| Displacement power factor (cos φ) | (> 0.98) |
| Output Data (U, V, W) | |
| Output voltage / frequency | 0-100% of supply voltage / 0.00-600.00 Hz or customized |
| Ramp time | 0.01-60000 S |
Note: 150% current can be provided for 1 minute, 180% for 10 seconds.
Higher overload rating is achieved by oversizing the drive.
| Digital Input | |
| Programmable digital inputs | 5 |
| Logic | NPN or PNP |
| Voltage level | 10 – 30V |
| Pulse input | 1 |
| Analog Input | |
| Analog inputs | 2 |
| Modes | Voltage or current |
| Level | 0 to +10V, -10V to +10V, 0/4 to 20 mA (scalable) |
| Automatic correction | YES |
| Digital Output | |
| Programmable digital outputs | 1 |
| Voltage level at digital output | 0 – 24 V |
| Programmable pulse outputs | 1 |
| Pulse output max. output frequency | 50.0 kHz |
| Analog Output | |
| Programmable analog outputs | 1 |
| Voltage range / current range | 0 – 10 V / 0 – 20 mA |
| Relay Output | |
| Programmable relay outputs | 1 |
| RA – RB / TA – TB | Normally close |
| RA – RC / TA – TC | Normally open |
| Contact capacitance | 250 V AC / 3A, 30 V DC / 3 A |
| Terminal 485 Interface | |
| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500 m |
| GND | Isolated from COM |
| Ambient | |
| Vibration | Less than 5.9 m/s² (0.6g) |
| Humidity | Relative humidity 5% – 95 %. No condensation |
| Corrosive environment | 3C3 |
| Ambient temperature | -10ºC – 50ºC |
| Altitude | 0 – 2,000 m |
| Rated output current derated 1% every 100 m above 1,000 m | |
| Storage temperature | -40 – +70 ºC |
| IP grade | IP20 |
| Cooling method | Forced air cooling |
GK100 Technical Feature
| Input | Input voltage | 1AC/3AC 220~240V±15%, 3AC 380~415V±15% |
| Input frequency | 50/60Hz±5% | |
| Output | Output voltage | 0～rated input voltage |
| Output frequency | 0~600Hz | |
| Control Features | Control mode | V/f control |
| Sensorless vector control | ||
| Torque control | ||
| Operation command mode | Keypad control | |
| Terminal control | ||
| Serial communication control (Modbus) | ||
| Frequency setting mode | Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes. | |
| Overload capacity | 150% / 60s, 180% / 10s, 200% / 1s. | |
| Starting torque | 0.25Hz/150% (SVC); 0.5Hz/150% (V/f) | |
| Speed control precision | ±0.5% (SVC) | |
| Carrier frequency | 0.5~16.0kHz, automatically adjusted according to temperature and load characteristics | |
| Frequency accuracy | Digital setting: 0.01Hz | |
| Analog setting: maximum frequency ×0.05% | ||
| Torque boost | Automatically torque boost; manually torque boost: 0.1%~30.0% | |
| V/f curve | Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square) | |
| Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~6553s | |
| Braking unit | GK100-2T0.4~GK100-2T1.5, GK100-4T0.75~ GK100-4T1.5: Doesn’t build-in, not available for braking | |
| GK100-2T2.2B, GK100-4T2.2B~GK100-4T7.5B: Standard build-in | ||
| DC braking | DC braking when starting and stopping | |
| DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~25.0s | ||
| Jog operation | Jog operation frequency: 0.0Hz~maximum frequency | |
| Jog acceleration/deceleration time: 0.1s~3600.0s | ||
| Simple PLC & multi-step speed operation | It can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal. | |
| Built-in PID | Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.) | |
| Automatic voltage regulation | Keep output voltage constant automatically when input voltage fluctuating | |
| Control Function | Torque control | Torque control without PG |
| Torque limit | “Rooter” characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process | |
| Wobble frequency control | Multiple triangular-wave frequency control, special for textile | |
| Timing/length/ | Timing/length/counting control function | |
| counting control | ||
| Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping | |
| Fault protection function | Comprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function | |
| I/O terminals | Input terminals | Programmable digital input: 5 multifunctional inputs |
| 2 programmable analog input: | ||
| VI: 0～10V | ||
| CI: 4～20mA | ||
| Output terminals | Refer to typical wiring for details | |
| Communication terminals | Offer RS485 communication interface, support MODBUS-RTU communication protocol | |
| Human machine interface | LED display | Display frequency setting, output frequency, output voltage, output |
| current, etc. Two lines display | ||
| Multifunction key | QUICK/JOG key, can be used as multifunction key | |
| Environment | Ambient temperature | -10℃～50℃, without direct sunshine. |
| Humidity | 90%RH or less (non-condensing) | |
| Altitude | ≤1000M: output rated power, ＞1000M: output derated | |
| Storage temperature | -20℃～60℃ |
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