The design, commissioning and application of variable frequency regulation system for drain pump of No.2 low-pressure heater of No.4 generator (200 MW) in Jingmen Thermal Power Plant were introduced.

• 摘要介绍了荆门热电厂4号机组(200MW)采用的2号低压加热器硫水泵变频调节系统的设计、调试及应用情况，该系统克服了传统的定速调节的诸多弊端，取得了很好的经济效益。