GK690 series, specifically designed for 690V input voltage, features as high-performance vector control. It provides highly-integrated all-in-one solution which excels in efficient energy conversion and precise motor control, making it a preferred choice across various industries, including mining, metallurgy, petrochemicals, power generation, and renewable energy.
Min. Rated Power of Single Unit: 15kW
Max. Rated Power of Single Unit: 800kW
Max. Rated Power of Parallel Configurations: 2000kWGK690 Technical Features
| Item | Specification | |
| Power Input | Rated voltage | AC 3PH 690V (-15%~+15%) |
| Rated input current | See Table 2-1 | |
| Rated frequency | 50Hz/60Hz, fluctuation range ±5% | |
| Power Output | Standard applicable motor | See Table 2-1 |
| Rated capacity | See Table 2-1 | |
| Rated current | See Table 2-1 | |
| Output voltage | 3-phase output under rated input conditions, 0~rated input voltage, error less than ±3% | |
| Basic functions | Maximum frequency | 0~300Hz, 0~3000Hz can be customized according to customer needs |
| Carrier frequency | 0.5KHz~16.0KHz, carrier frequency can be automatically adjusted | |
| Input frequency resolution | Digital setting: 0.01Hz; analog setting: 0.1Hz | |
| Control mode | V/F control, vector control 1 without PG, vector control with PG | |
| Starting torque | 0.5Hz/150% | |
| Overload capacity | For G model, 150% rated current for 60 seconds; 180% rated current for 10 seconds (G model) | |
| Torque boost | Automatic torque boost; manual torque boost 0.1%~30.0% | |
| Acceleration and deceleration curve | Linear or S-curve acceleration and deceleration mode. Four acceleration and deceleration times, ranging from 0.0 to 3600.0s | |
| DC braking | DC braking frequency: 0.00Hz~maximum frequency, braking time: 0.0s~50.0s, braking action current value: 0.0%~100.0% | |
| Jog control | Jog frequency range: 0.00Hz~50.00Hz. Jog acceleration and deceleration time 0.0s~3600.0s | |
| Simple PLC, multi-speed operation | Up to 16-speed operation can be achieved through built-in PLC or control terminals | |
| Built-in PID | Process closed-loop control can be realized easily | |
| Automatic voltage regulation (AVR) | Automatically keeps the output voltage constant when the grid voltage changes | |
| Current suppression | When the VF operating load changes, the output current is automatically limited | |
| Fast current limiting function | Minimizes overcurrent faults and protects the normal operation of the drive | |
| Dynamic overvoltage suppression | Automatically suppresses energy feedback when the operating frequency changes to prevent bus overvoltage tripping | |
| Oscillation suppression | Optimizes the VF oscillation suppression algorithm to achieve stable VF operation | |
| Personalized function | Non-stop during instantaneous power outage | During instantaneous power outage, the load feedback energy is used to compensate for the voltage drop, allowing the drive to continue running in a short period of time |
| V/F separation control | Independently adjust the voltage and frequency given | |
| Support multiple fieldbuses | Support multiple fieldbuses: Modbus, Profibus-DP, CANopen | |
| Fan control | Control fan operation mode and extend fan life | |
| Operation | Command source | Operation panel given, control terminal given, communication given, switched in a variety of ways |
| Frequency source | 9 frequency sources: digital given, analog voltage given, analog current given, pulse given, communication given, switched in a variety of ways | |
| Auxiliary frequency source | 9 auxiliary frequency sources, which can flexibly realize auxiliary frequency fine-tuning and frequency synthesis | |
| Input terminal | Standard: | |
| 8 digital input terminals, one of which supports high-speed pulse input up to 50KHz | ||
| 2 analog input terminals, supporting 0~10V voltage input or 0/4~20mA current input; | ||
| Output terminal | Standard: | |
| 2 analog output terminals, supporting 0~10V voltage output or 0/4~20mA current output | ||
| 2 open-collector output terminals, one of which supports 0~50KHz square wave signal high-speed pulse output | ||
| 2 relay output terminals | ||
| Display and keypad operation | LED display | Display parameters |
| Parameter copy | Parameters can be quickly copied through the LED operation panel | |
| Key lock and function selection | Lock part or all of the keys and define the scope of some keys to prevent misoperation | |
| Protection function | Power-on motor short circuit detection, input/output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection, etc. | |
| Environment | Location of use | Indoor, away from direct sunlight, no dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water or salt, etc. |
| Altitude | < 1000m (derate when higher than 1000m) | |
| Ambient temperature | -10°C~+40°C (derate when the ambient temperature is 40°C~50°C) | |
| Humidity | < 95%RH, no condensation | |
| Vibration | < 5.9m/s² (0.6g) | |
| Storage temperature | －20℃~＋60℃ | |
