电机学电机学电机学 (35).ppt
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1、Electrical MachineryExternal Characteristics of Synchronous Generator6.4.3 External Characteristics of Synchronous GeneratorOperation Characteristics of A Synchronous Generator including:I.No-load characteristicsII.Short-circuit characteristicIII.External characteristicIV.Regulation characteristicEx
2、ternal characteristicIn the conditions that the rotating speed of the generator is rated speed,If is constant,cos is constant,and when the generator is operating alone,the relation between terminal voltage and on-load current,that is:U=f(I)6.4.3 External Characteristics of Synchronous GeneratorNatur
3、e of Load(leading)(lagging)External characteristic curve6.4.3 External Characteristics of Synchronous GeneratorleadinglaggingExternal characteristic curve trend6.4.3 External Characteristics of Synchronous GeneratorDroopingPure resistive loadThe curve is more drooping than pure resistive loadResistive-inductive loadMaybe ascendingMaybe declineResistive-capacitive loadTHANKS FOR WATCHING!
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