The characteristics of intelligent elevator energy feedback device:

1 the use of the latest high performance industrial microprocessor control, with fast response, high control accuracy, stable and reliable operation, etc..

2 Optimization of the feedback PWM control algorithm, high power factor, the output current waveform is more excellent, lower distortion rate.

3 digital control, with a flexible adjustment feedback action voltage, on-line detection of input voltage, DC bus voltage, output current, radiator temperature and other functions, the user can according to the need to review the status of feedback online.

4 built in AC reactor and high frequency filtering device, so that the feedback waveform is better, reduce external high frequency noise interference.

5 protection, with anti power grid reflux, overheating, over current, lack of phase, under voltage, output short circuit protection function, even if there is a bad fault, intelligent elevator special energy feedback device can completely remove frequency converter and power grid connection, protect the safety of the external device, when the fault protection, the system can store the relevant data, to realize fault intelligent diagnosis, so that users can understand the working conditions in the field.

6 in connection, the intelligent elevator special energy feedback device adopts adaptive connection method, and the converter DC bus terminal, do not need to distinguish between positive and negative polarity, when the power grid, do not need to distinguish between three-phase phase, so as to avoid the problem caused by the field wiring error, the use of more convenient.

The characteristics of intelligent elevator energy feedback device:

1 the use of the latest high performance industrial microprocessor control, with fast response, high control accuracy, stable and reliable operation, etc..

2 Optimization of the feedback PWM control algorithm, high power factor, the output current waveform is more excellent, lower distortion rate.

3 digital control, with a flexible adjustment feedback action voltage, on-line detection of input voltage, DC bus voltage, output current, radiator temperature and other functions, the user can according to the need to review the status of feedback online.

4 built in AC reactor and high frequency filtering device, so that the feedback waveform is better, reduce external high frequency noise interference.

5 protection, with anti power grid reflux, overheating, over current, lack of phase, under voltage, output short circuit protection function, even if there is a bad fault, intelligent elevator special energy feedback device can completely remove frequency converter and power grid connection, protect the safety of the external device, when the fault protection, the system can store the relevant data, to realize fault intelligent diagnosis, so that users can understand the working conditions in the field.

6 in connection, the intelligent elevator special energy feedback device adopts adaptive connection method, and the converter DC bus terminal, do not need to distinguish between positive and negative polarity, when the power grid, do not need to distinguish between three-phase phase, so as to avoid the problem caused by the field wiring error, the use of more convenient. Special energy feedback device