The application scenario of IGBT in power conversion is revealed

As one of the key semiconductor devices, the insulated gate bipolar transistorIGBTThe application scenarios in power conversion are very wide, mainly including the following aspects:

1. Frequency converter: Frequency converter is the applicationIGBTOne of the important fields, mainly used for motor drive and control. By regulationIGBTThe switching state of the motor can realize the adjustment of the motor speed, so as to achieve the smooth start, speed regulation and braking of the motor.

2. Inverter welding machine: Inverter welding machine is an applicationIGBTThe welding equipment has the characteristics of high efficiency, energy saving and miniaturization. By regulationIGBTThe switch state can convert direct current into alternating current, so as to achieve the adjustment of welding current.

3. Electromagnetic induction heating: electromagnetic induction heating is usedIGBTA technique that generates a high-frequency magnetic field to heat a metal. Compared with traditional resistance heating, electromagnetic induction heating has higher heating efficiency and better heating uniformity.

4. Industrial power supply: Industrial power supply is the applicationIGBTOne of the important areas, mainly used to provide a stable and reliable power supply. By regulationIGBTThe switching state can realize the adjustment of output voltage or current to meet the needs of various industrial equipment.

5. Electric vehicle: Electric vehicle is the applicationIGBTOne of the important fields, mainly used for motor drive and control. By regulationIGBTThe switch state of the electric vehicle can achieve the start, acceleration, deceleration and braking functions.

6. Wind power grid-connected: In the wind power grid-connected system,IGBTIt is widely used in grid-connected control of wind turbines. By regulationIGBTThe switch state can realize the smooth grid-connection of the wind motor and reduce the impact on the power grid.

7. Rail transit: In rail transit,IGBTIt is widely used in train traction system and auxiliary power supply system. By regulationIGBTThe switch state can realize the traction and braking control of the train, while providing a stable auxiliary power supply.

Anyway,IGBTThe application scenarios in power conversion are very wide, involving industry, energy, transportation and other fields. With the continuous development of power electronics technology, IGBTThe application prospect will be broader.

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