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two identical three-phase 33-kv wye connected synchronous generators operating in parallel share equally a total load
an industrial plant consumes 500 kw at a lagging power factor of 06a find the required kva rating of a synchronous
a three-phase wye-connected 2500-kva 6600- v 60-hz turbo alternator has a per-phase synchronous reactance and an
a three-phase wye-connected round-rotor 220- v 60-hz synchronous motor having a synchronous reactance of 127 omega per
a three-phase wye-connected cylindrical-rotor synchronous motor with negligible armature resistance and a synchronous
a 10-kw 230-v shunt generator with an armature-circuit resistance of 01 omega and a field circuit resistance of 230
the magnetization curve taken at 1000 rmin on a 200-v dc series motor has the following datathe armature-circuit
a dc series motor operates at 750 rmin with a line current of 100 a from the 250-v mains its armature-circuit
a 75-hp 250-v 1800-rmin shunt motor having a full-load line current of 26 a is started with a four-point starter the
two shunt generators operate in parallel to supply a total load current of 3000 a each machine has an armature
the no-load and blocked-rotor tests on a three phase wye-connected induction motor yield the following resultsbull
a squirrel-cage induction motor operates at a slip of 005 at full load the rotor current at starting is five times the
the power transferred across the air gap of a two pole induction motor is 24 kw if the electromagnetic power developed
a three-phase 5-hp 220-v six-pole 60-hz induction motor runs at a slip of 0025 at full load rotational and stray-load
a 500-hp wye-connected wound-rotor induction motor when operated at rated voltage and frequency develops its rated
considering only the rotor equivalent circuit shown in figure 1322 or 1323 finda the r2 for which the developed torque
a three-phase 220-v 60-hz four-pole wye connected induction motor has a per-phase stator resistance of 05 omega the
a three-phase 50-hp 440-v 60-hz four-pole wound-rotor induction motor operates at a slip of 003 at full load with its
the per-phase equivalent circuit shown in figure 1326 of a three-phase 600-v 60-hz four pole wye-connected wound-rotor
a three-phase wye-connected 400-v four-pole 60-hz induction motor has primary leakage impedance of 1 j2 omega and
a three-phase induction motor operating at its rated voltage and frequency develops a starting torque of 16 times the
the synchronous speed of a wound-rotor induction motor is 900 rmin under a blocked-rotor condition the input power to
a large induction motor is usually started by applying a reduced voltage across the motor such a voltage may be
a three-phase 400-v wye-connected induction motor takes the full-load current at 45 v with the rotor blocked the
a three-phase 2200-v 60-hz delta-connected squirrel-cage induction motor when started at full rated voltage takes a