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SYNCHRONOUS MACHINES OPERATION AND …
SM2- 1 SYNCHRONOUS MACHINES OPERATION AND characteristics NO-LOAD AND short - circuit characteristics No-load state. Ef = f(If) for n=nN (const.) open- circuit characteristic (occ) short - circuit state. Isc = f(If) for n=nN (const.) short - circuit characteristic (scc) Per-unit values: Ir=I/IN Ur=U/UN (Er=E/UN) IfoN nominal field current at no-load (Ef=UN) IfscN nominal field current at short circuit (Isc=IN) IfoN is usually applied as a base for relative values of field current Ifr = If/IfoN short - circuit ratio is an important parameter of SYNCHRONOUS generator: ==rator)(hydrogene m.
SM2- 1 SYNCHRONOUS MACHINES OPERATION AND CHARACTERISTICS NO-LOAD AND SHORT-CIRCUIT CHARACTERISTICS No-load state. Ef = f(If) for n=nN (const.) open-circuit characteristic (occ)
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