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抽水蓄能机组由于运行工况多,具有可逆式启动和运转的特点,因此机组的发变组保护在配置和实际运行中必须比常规水电机组考虑更多机组状态改变而带来的影响,结合奥地利ELIN公司的数字式继电保护系统(DRS)和Siemens公司的SIPROTEC-4系统实际运行特点,重点介绍了这两家公司在机组状态判断、处理方面的解决方案和发展,为国内抽水蓄能机组在该方面的设计、调试、运行和技术改造提供借鉴。
Pumped storage unit because of the operating conditions and has the characteristics of reversible start-up and operation, so the generator set of transformer protection in the configuration and the actual operation must be more than conventional hydropower unit to consider the impact of changes in the status of the unit, combined Austrian ELIN company’s digital relay protection system (DRS) and Siemens company’s SIPROTEC-4 system features the actual operation, focusing on the two companies in the unit status judgments, solutions and development solutions for the domestic pumped storage The unit in this aspect of design, commissioning, operation and technological transformation to provide reference.