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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
VECL,
1 2587What is meant by load angle of an alternator? Upon what factors does the load angle depend?
VECL,
1 3087How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
VECL,
1 2278We have 11kV/110V three phase indoor potential transformer in 66/11kV Sub-station, where the failure of PT is frequently happening and the rating of the PT is 0.2 class accuracy, with primary star and seconday (two cores) star connected. Some experts has suggested to not to connect the PT Primary neutral to the ground because when transformer neutal NCT connection is loose; the faulty current will flow through the PT primary neutral, resulting into failure of PT. My question is: Is it necessary to remove the primary neutral connection of the PT from ground? if not, what would be the reason for failure of PT. Please guide me.
2 3901How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?
1 1854Post New Electrical Engineering Questions
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hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.
kindly send me 11KV MV motor differential protection procedure by primary injection method.
Draw the circuit of clapp oscillator?
Draw a SLD of DG distribution up to main LT panel?
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Enlist four components of electrive drives.
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What is the height of DA, DAL, DB, DC & DDE tower?
what is thermal resistance of PVC Cable.
i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.
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What are the different methodes for calculating the short circuit Current?
