Zoppd-EC electrical equipment and secondary part of the assessment training device

Electrical equipment and secondary training assessment devices, secondary line experimental devices enhance their perceptual understanding and strengthen on -site application knowledge. The second part mainly includes the control loop and signal circuit of the circuit breaker; the central signal and other circuits.

I. Overview

This device is a product developed to meet the needs of the reform and development of higher vocational education and to cultivate technical and skilled talents. The electrical equipment m*nly includes transformers and switching appliances. It uses real objects and is equipped with installation wiring related to the real objects. and operating operations, which enhances perceptual understanding and on-site application knowledge; the secondary part m*nly includes the control loop and signal loop of the circuit breaker; central signal and other loops, etc.

This device is suitable for practical tr*ning and teaching in related majors such as power generation, power supply and power automation, and can also be used as a reference for engineering and technical personnel engaged in the design, installation and operation of relay protection and secondary circuits.

2. Practical tr*ning projects

(1) Transformer tr*ning project

1. Voltage transformer characteristic test

2. Voltage transformer wiring method

3. Current transformer characteristic test

4. Voltage transformer wiring method

(2) Switching appliances tr*ning project

1. Principle and wiring of molded case circuit breaker

2. Principle and wiring of isolating switch

3. Principle and wiring of load switch

4. Principle and wiring of automatic reclosing

(3) Second partial practical tr*ning project

1. Signal relay

2. Intermediate relay

3. Impact relay

4. Flash relay

5. Basic control loop of circuit breaker

6. Anti-"jump" blocking circuit of circuit breaker

7. Light monitoring circuit breaker control loop

8. Circuit breaker control loop for lighting and sound monitoring

9. Signal starting circuit with signal relay

10. Central signaling device for manual return of repeated actions

11. Central signaling device with automatic recovery for repeated actions

12. Flash signal device

(4) Assessment items

1. Circuit breaker control circuit for audio monitoring

2. Central signaling device with no repetitive actions

3. Acceleration protection before automatic reclosing

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