Thermal power plant, electrical maintenance, what is the main interview, what professional knowledge is involved, and written test topics.

Electrical maintenance of thermal power plant is to maintain all kinds of electrical equipment in power plant. For example: high voltage cabinet, low voltage cabinet, circuit breaker, governor, oil pump control, water pump control, relay protection, battery, inverter, etc. The main theoretical knowledge involved is automation, PLC, computer, electrical automation and so on. The second operation generally involves only one or two aspects, which is relatively complicated and difficult.

Part of the test questions: fill in the blanks

1. The energy conversion process of thermal power plant is energy () energy () energy () energy.

2. When the current transformer is in normal operation, the secondary side is not allowed ().

3. There are three forms of conductor heat dissipation: (), () and ().

4. Thermal power plants are divided into () power plants and () power plants according to the output energy.

5. When checking the dynamic stability of rectangular hard conductor, when each phase is a single rectangle, the purpose of engineering calculation is: when each phase is multiple rectangles, the purpose of engineering calculation is:

6. According to the running state, self-starting can be divided into: (), () and ().

7. The auxiliary power standby mode of power plant, compared with the open standby mode, the capacity of auxiliary working transformer (). (Fill in increase or decrease)

8. The only purpose of installing the bypass bus is ().

9. Auxiliary power supply includes (), () and ().