- Article
Understanding and Mitigating Corona Quenching in ESPs Under High Fly Ash Concentrations in a 660 MW Coal-Fired Unit
- Haibao Zhao,
- Peiyuan Li,
- Hanxiao Liu,
- Tao Liu and
- Zhengda Yang
8 February 2026
Corona quenching is a major obstacle to the stable and efficient operation of electrostatic precipitators (ESPs) in coal-fired power plants, particularly under high-ash coal combustion. This study evaluates a novel double-V labyrinth pre-collection d...

