Customization: | Available |
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Application: | High-performance Transducer, Three Phase Transducer, High Frequency Converter Transducer |
Output Type: | Dual |
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Product name | Flame-proof and intrinsically safe dual power supply and dual frequency converter speed controller for ventilators | |
Rated input voltage(V) |
AC660V,AC1140V;50Hz | |
Voltage fluctuation:±15%Frequency fluctuation:±2.5% | ||
Rated output characteristics | Three-phase AC0~660V,AC0~1140V,0.5~50Hz(frequency up to 400Hz) | |
Overload capacity | 150%rated current for 60s;200%rated current for 3s | |
Control motor form | Asynchronous motor,permanent magnet synchronous motor,permanent magnet synchronous electric drum | |
Control motor form | Asynchronous motor,permanent magnet synchronous motor,permanent magnet synchronous electric drum | |
Modulation | SVPWM space vector PWM modulation | |
Control method | Vector control, VF control | |
Main control | Frequency accuracy | Digital setting:maximum frequency ×±0.1%;analog setting:maximum frequency ×±0.5% |
Frequency resolution | Digital setting:0.01Hz;Analog setting:Maximum frequency×±0.1% | |
Slip compensation | Automatic slip compensation range:0~150%,open-loop speed stability accuracy 0.5%,closed-loop speed stability accuracy 0.02% | |
Carrier frequency | Self-tuning based on internal temperature,manually adjustable range 0.7~16kHz | |
Acceleration and deceleration curve |
Two types of curves: straight line and arbitrary S-curve; seven acceleration times (multi-step speed) | |
Display operation display | Rated frequency,output frequency,voltage,current,power,motor speed, load rate,etc. | |
Faultstatus display | Overvoltage, undervoltage, overcurrent, overload, overheating, phase loss, short circuit, stall, leakage, etc. | |
Show | Braking method | Feedback braking, DC braking |
braking torque | 150%(up to 220%) | |
Brake | Starting torque | More than 150%,zero speed torque is adjustable from Oto 100% |
Speed control range | Open loop1:100,closed loop 1:1000(relative rated speed) | |
process control | Built-in PID regulator can form a closed-loop control system through various transmitters | |
Automaticvoltage adjustment | When the grid voltage changes,it can automatically and appropriately change the basic frequency to protect the motor load capacity. | |
Frequency setting | Digital setting, analog setting, control panelsetting, serial communication setting, power balance setting | |
Run command given | Control panel given, external terminal given, serial communication given | |
Analog input/output | 0~10V,4~20mA | |
Main control operation | Digital input | 10 programmable inputs to achieve far/near control,forward/reverse rotation, start/stop,and preset speed |
Analog output | Speed,load,bipolar load,and PID variables can all be connected to external instruments | |
Switching output type | 5 relay outputs(250V/10A contacts) | |
Switching output | Operation output,fault output,remote control status output | |
Communication function | Modbus-rtu,Modbus-tcp | |
Usage environment |
Application scope | Dangerous places with gas,coal dust and explosive gas |
Altitude | The altitude is not less than-1500m and not more than 2000m (over this altitude, derating is required) | |
Ambient temperature | -20ºC~40ºC | |
Relative humidity | 5%~95%RH(no condensation) | |
Protective function | Overvoltage, undervoltage, overcurrent, overload, overheating, phase loss, short circuit, stall, leakage, etc. | |
Explosion-proof signs | Exdb[ib Mb]l Mb | |
Cooling method | Circulating water cooling(or external water supply cooling) |