测功法甩负荷试验的功率测量及误差分析  

Power Measurement and Error Analysis of Load Rejection Test Using Dynamometry

作　　者：冯伟忠 

机构地区：[1]上海外高桥发电厂

出　　处：《中国电力》1998年第10期34-38,共5页Electric Power

摘　　要：介绍了测功法甩负荷试验中功率测量、数据处理及积分计算的要点，对试验的计时零点及功率变送器等可能造成误差的有关因素进行了全面分析，提出了对策措施，推导出了简捷的变送器惯性误差修正公式。The essentials of power measurement,data processing and integration calculation during load rejection test using dynamometry are introduced,the relevant factors of error caused possibly by timing zero point and power transducer etc.during testing are analyzed in an all round way,and the corresponding countermeasures are raised.Finally,the simplified correction formula for inertia error of transducers is derived.

关 键 词：汽轮发电机 甩负荷试验 功率测量 测功法 

分 类 号：TM311.06[电气工程—电机]