Why field resistance is greater than the armature resistance in dc mechine

1 Answers   Cape Peninsula University of Technology,

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Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

3 Answers  

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which type of motor is suitable for water suction pump ?

4 Answers  

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I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

0 Answers   AAI Airports Authority Of India,

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How to calculate the TR (AC's)

4 Answers  

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PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

0 Answers  

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what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

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why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

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How to calculate the motor winding resistance ?

21 Answers   Forbis, L&T, OEGI, VTI,

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How to get Electrical Supervisory Licence in chennai Tamil Nadu from TNEB. I am BE EEE graduate.

1 Answers  

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we have a 2000kva step down transformer at our site. The HT side is charged from 22000V. So the primary current will be 52.48A. So why the HT breaker(SF6 ABB) is rated of 1250Amps ?

2 Answers  

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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