讨论大型汽轮发电机应具有的频率异常运行能力。
The abnormal frequency operation capability of large turbo-generator is reviewed.
列举了世界各国生产的大机组频率异常运行允许时间。
The allowable duration of abnormal frequency operation for large turbo-generator sets provided by the main manufactories on the world is listed.
介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则；
The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection.
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