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a 35 mva slow-speed 3-phase synchronous generator rated at 66 kv has 32 poles its direct- and quadrature-axis
a 1000 kva 3-phase 11 kv star-connected synchronous motor has negligible resistance and a synchronous reactance of 35
two star-connected generators are connected in parallel and supply a balanced load of 1500 kva at 11 kv line voltage
a 3-phase hydroelectric synchronous generator is read to be 110 mw 08 pf lagging 6-kv y- connected 50 hz 100-rpm
a 200 kv a 33 kv 50 hz three-phase synchronous generator is star-connected the effective armature resistance is 5
a 20 mva 11 kv 3-phase delta-connected synchronous motor has a synchro nous impedance of 15 wphase windage friction and
a 600 v 6-pole 3-phase 50 hz star-connected synchronous motor has a resis tance and synchronous reactance of 04 omega
a 500 v 3-phase mesh-connected motor has an excitation emf of 600 v the motor synchronous impedance is 04 j5 omega
a 3-phase synchronous generator feeds into a 22 kv grid it has a synchronous reactance of 8 omega phase and is
1 what is meant by the statement that a synchronous machine is lsquofloating on the busbars2 elaborate the statement
1 why is it desirable to short circuit the dc field when a synchronous motor is started2 briefly describe the
1 how can the speed of an synchronous motor be varied2 what is a damper winding what is the function of it and where it
1 explain why the scc is linear2 distinguish between xs unsaturated and xx saturated which one should be used for
two similar 66 kv synchronous generators supply a total load of 1000 kw at 08 pf lagging so that power supplied by each
figure p836 shows two generators supplying in parallel a load of 28 mw at 08 pf lagginga at what frequency is the
1 an 11 kv 3-phase alternative has xd and xq of 06 pu and 01 pu respectively and negligible armature resistance it is
a generating station comprises four 125 kva 22 kv 084 pf lagging synchronous generators with a frequency drop of 5 hz
a 6-pole 3-phase 50 hz synchronous motor is supplied from 66 kv busbars its opencircuit voltage is 33 kvphase the per
1 a 15 kw 400 v 3-phase star-connected synchronous motor has a synchronous impedance of 04 j4 omega find the voltage
a 1500 kw 3-phase star-connected 2300 v 50 hz synchronous motor has a synchronous reactance of 2 wphase the motor is
a 3-phase 4-pole star-connected synchronous motor has a resistance of 025 omegaphase and a synchronous reactance of j
a 4-pole 3-phase 400 v 50 hz induction motor has the following parameters of its circuit model referred to the stator
a 4-pole 50 hz 3-phase induction motor has a rotor resistance of 45 omegaphase and a standstill reactance of 85
a 3-phase induction motor has a 4-pole star-connected stator winding and runs on 50 hz with 400 v between lines the
a 3-phase 33 kv 50 hz 10-pole star connected induction motor has a no-load magnetizing current of 45 a and a core-loss