1. The voltage measurement signal and the excitation source are all taken from the middle tap of the main winding of the generator. The voltage is 200V, which cannot be connected to 400V, otherwise it ...

In order to ensure the safe and reliable operation of the unit and power network, the primary frequency modulation function is set up in the pure electric control mode and the coordination mode. In the...

According to the working process, the ladder diagram can be written to control the lifting system of permanent magnet linear synchronous motor, where the wiring diagram of PLC is shown. X0X5 is the inp...

Statistics from the national bureau of statistics show that in December 2004, Chinas motor manufacturing industry had 1,167 enterprises, with 388,282 employees, and total assets of nearly 97.2 billion ...

1. Direct start. However, when the three-phase asynchronous motor starts directly, the current can reach 6-7 times of the rated current, which has a great impact on the power grid, especially the high-...

As we all know, hv motor is the main power source of many machines, while hv motor bearing is the main joint of motor operation. The installation of hv motor requires certain steps to ensure its normal...

The temperature rise will not exceed the motor calibration allowable value when the variable frequency motor is operated under the standard environment. There is a great difference between the technolo...

Explosion-proof motor is a kind of motor that does not produce electric spark during operation. It is suitable for use in flammable and explosive places and widely used in coal mine, petroleum and natu...

Energy-saving motors are characterized by high efficiency, energy saving, low vibration, low noise, reliable performance and convenient installation and maintenance. Can be used in compressor, fan, wat...

When everybody is buying the explosion-proof motor of all sorts of models, the businessman over there will ask what kind of explosion-proof motor you need. If you do not understand the user, will ask w...