发动机软起动机、汽车启动软起动器

Operating principle and performance and characteristics The soft starter collects current and voltage signal from motor’s stator loop, so as to control three-way bidirectional conducting state, and further control the starting current and the input power of the motor at operation , and realize the automatic following of the motor’s load changes the automatic adjustment of the input with the purpose of motors soft starting and economic operation. * Double and single-chip microcomputer full digital control is adopted; * It has the function of 5 digit LED nixie tube display, and can display the allover working state of the motor; * The Harvard single-chip microcomputer has strong anti-interference capacity, and can ensure a reliable work of system even under strong interference; * It has the6 starting ways of constant current soft starting, voltage slope starting, impulse jump starting which are applicable to all kinds of loads; * it has the 2 shut down ways of free shut down, * It has reliable protection functions such as over current, over load, over heating, power supply serrated phase, output serrated phase etc, thus making the starting and operation of the motor more reliable and safe * it is equipped with DCS distant control interface and computer RS485 interface Supply Voltage 3AC380V/660V±10%,50HZ Temperature (-25 50)°C Humidity <80% Vibration ≤1.5g Absolute altitude ≤1500m Cabinet Dimensions 700*760*1800mm Device Dimensions 240*350*180mm Rated voltage 380VA/50HZ Air pressure 86 106KPa Level of protection IP40 Lectotype standard * General starting: mode selection of the starting of the loads of bow propeller, compressor, elevator, centrifugal pump, conveyer belt, lift etc can be based on the motor’s rated power; * Heavy load starting: mode selection of the starting of centrifugal fan, crasher, mixer, grinder etc can be based on 120% of the rated power. (note: cabinet style main loop idle run is equipped with DZ20 series, AC contact is equipped with CJ20 series .) Range of application and introduction of classic application Pump: with the pump control function, reduces pump current water hammer brought about by the liquid current impaction at starting and stopping, and saves the maintenance cost of system: Ball mill: with voltage slope starting, reduces the wear and tear of the gear torque and the work load of maintenance and lengthens the service life, Fan: the solid soft starter replaces the traditional starter, reduces wear and tear mechanical shock; Compressor: using current limiting, to realize smooth starting and lower the motor temperature rise; Crusher: locked rotor protection and quick protection make it possible to avoid over-heating and burning of motor caused by mechanical faults and block; Conveying machinery: soft starting and soft stopping control realize the smooth and gradual starting process and smooth slowing stopping, thus avoiding damages caused to materials and equipments by shocks.