- Article
Analysis and Optimization of Contact Material Ablation under the Cumulative Effect of the Number of Breakings of OLTC
- Mingyu Zhang,
- Yaxiong Tan,
- Chi Yang,
- Jun Deng and
- Zhicheng Xie
Vacuum on-load tap-changers (OLTC) for converter transformers have a much higher number of breakings than conventional circuit breakers. Contact ablation after several breakings will affect the stability and life of the device. This paper establishes...

