6RA70 drive repair _ _ Antu County drive repair electrical Shen

Converter repair the drive circuit HCPL-316J feature Agilent HCPL-316J manufactured by a IGBT gate driver optocoupler, the internal integration of the collector-emitter saturation voltage due to fault state detection circuit and a feedback circuit for the driver circuit The reliable operation provided a guarantee. Its characteristics are: compatible CMOS / TYL level; optical isolation, fault status feedback; maximum switching time 500ns; "soft" IGBT turn-off; under-saturation detection and undervoltage lockout protection; overcurrent protection; wide operating voltage range (15 ~ 30V); user-configurable automatic reset, automatic shutdown. DSP combined with the coupler to achieve IGBT driver, make IGBT VCE saturation detection owe compact Kymmene inverter maintenance, low cost and easy to implement, while meeting a wide range of safety and regulation requirements. Inverter maintenance basics about the difference between an operational amplifier with dedicated comparators can be divided into the following points: 1, the comparator flip speed, approximately NS magnitude, while flipping speed op amp is usually US orders of magnitude (except special high-speed op amps ) 2, you can enter a negative feedback amplifier circuit, and the comparator can not use negative feedback, albeit also has two inverting and inverting input terminals, as it will no internal phase compensation circuit, if you enter a negative feedback, the circuit is not stable inverter repair, no internal phase compensation circuit, which is faster than the op amp comparator speed reasons. 3, the op amp input push-pull circuit primary general domestic inverter repair, bipolar output, while most of the comparator extremely open collector output structure, it requires a pullup resistor, unipolar output, easy, and digital circuits. 6RA70 drive repair drive repair _ _ Antu County, Shen Electric Co. on the people by the Shenyang Electric. Shenyang Electric Co. on people (www.zsmsy.com) strong, credible, and other industries in other Shenyang, Liaoning province has accumulated a large number of loyal customers. The company better work attitude and constantly improve the innovative ideas will lead sink into the brilliant electric and you work for a better future!