Abstract
In order to reduce the electromagnetic transient effect caused by the circuit breaker switching for reactive power compensation with capacitor groups in power system, a synchronous switching control system of vacuum circuit-breaker with permanent magnetic actuator is developed. A concrete synchronous switching control policy of neutral non-grounding and star-type connected shunt capacitor groups is presented, a prototype of synchronous switching control system with DSP as its kernel is developed, and the flowchart of synchronous switching algorithm is given. The influencing factors of actuator action time is analyzed and the key technologies are studied, including the design and implementation of digital FIR filter, the predictive control of Radial Basis Function neural networks, the adaptive compensation for mechanism aging and contactor wear, etc. The experimental results of synchronous control accuracy are analyzed, which show the synchronous control error is within ±0.5 ms.
| Original language | English |
|---|---|
| Pages (from-to) | 98-103 |
| Number of pages | 6 |
| Journal | Dianli Zidonghua Shebei/Electric Power Automation Equipment |
| Volume | 30 |
| Issue number | 3 |
| State | Published - Mar 2010 |
Keywords
- DSP
- FIR
- Permanent magnetic actuator
- Radial basis function
- Synchronous switching
- Vacuum circuit-breaker
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