A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

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voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2 Answers   GATE,

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what is the difference between neutral

10 Answers  

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How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

0 Answers   El Seif,

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In CT's they mentioned 400/5 or 1250/5, 1000/1 here 400,1250,1000 is Breaker Capacity what is the /5 Explain me briefly

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What is the difference between MPP, APP, Mixed Dielectric power capacitors? Which technology is superior in current scenario?

5 Answers  

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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what is the main purpose of line PT and bus PT?

11 Answers   L&T,

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why noise occurn when transformer is working ?

1 Answers   Honda,

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Define phase lag and phase lead?

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what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

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