广州蓄能水电厂机组及主变压器继电保护的配置与运行

Configuration and operation of Guangzhou pumped storage power station generator and main transformer protection

介绍了广州蓄能水电厂II期机组及主变压器微机式继电保护的配置,简述了蓄能机组运行方式多变、起停频繁的特点对机组、主变保护正常运行所产生的影响,介绍了目前该厂机变保护因应于上述特点在保护的配置及闭锁逻辑的设定上所采取的策略,说明了当机组处于不同工况下运行时各个保护闭锁的实现方式,最后对机变保护自投运以来的运行情况作了简要回顾、分析,并结合实际维护经验,提出了现有保护装置的性能及在保护设计上存在的几个问题。

The Guangzhou Pumped Storage Power Station Phase II generator unit and configuration of main transformer＇ s microcomputer-based relay protection are introduced. At First, the characteristics of the pumped storage protection, due to the multi-operation forms and frequent starting--stop of the motor--geaerators, are described. Then the realization forms of protection blocking under different operation circumstances are illuminated, At last, the operation of the protection is analyzed, and problems are brought forward on the basis of maintenance experience.