Project | Specifications |
The basic function | Frequency | 0-999Hz |
Carrier frequency | 2.0~8.0KHz,The carrier frequency can be automatically adjusted according to the load characteristics |
Frequency resolution | Analog setting: 0.1% of the highest frequency Digital setting: 0.1Hz |
The control mode | V/F control |
Steady speed precision | ±0.5% |
Overload capacity | G type machine:120% long term 110% 1 minute 150% 5 seconds |
Torque increase | Manual setting: 0.0 ~ 30.0% of rated output Automatic lifting: according to the output current and motor parameters automatically determine the lifting torque |
V/F curve | Three ways: linear curve, square curve, user - defined V/F curve |
Acceleration curve | Linear mode |
Dc brake | Stop DC braking starting frequency: 0.00 ~ upper frequency Braking time: 0.0 ~ 100.0s; Braking current: 0.0% ~ 150.0% rated current |
Inching control | Point frequency range: 0.0Hz ~ 50.0Hz Point acceleration and deceleration time: 0.1 ~ 3600.0s |
Simple PLC, multi - speed operation | Through built-in PLC or control terminal to achieve up to 16 section speed operation |
Built-in PID | It can realize the closed-loop control system of process control conveniently |
Motor parameters self-determination | Without any limitation, automatic detection of parameters can be completed under static and dynamic conditions of the motor to obtain the best control effect |
Overpressure over loss rate control | Automatic limit of current and voltage during operation to prevent frequent over-current voltage trip |
Wave by wave current limiting function | Minimize the overcurrent fault to protect the normal operation of the converter |
Personalization function | Excellent performance | Vector controlled machine |
Undervoltage inhibition | For users with low grid voltage and frequent fluctuation of grid voltage, the system can maintain the maximum possible operating time even under the allowable voltage range based on unique algorithms and residual energy allocation strategy |
Wave current limit | Avoid frequency converter overcurrent failure |
PID control | Built-in PID controller (preset frequency) |
Automatic voltage regulator operation | According to the need to choose dynamic voltage regulator, static voltage regulator, unstable voltage three ways to obtain the most stable operation effect |
Acceleration and deceleration time setting | This parameter can be set continuously from 0.1s to 3600 minutes |
Low noise operation | The carrier frequency is continuously adjustable from 2.0khz to 8.0khz to minimize motor noise |
Operation function | Upper and lower frequency setting, frequency jump operation, reverse operation limit, slip frequency compensation, frequency increase and decrease control, fault recovery operation, etc |