WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

2 Answers   ISMT,

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how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

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How is the gain affected by the introduction of feedback in a control system.

0 Answers   GE,

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Why is voltage is required to be within permissible range for an electrical equipment?

0 Answers  

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what is use of capacitor in fan

8 Answers   ABB,

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wt wil happen if a 120kv line is grounded

4 Answers  

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Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

3 Answers  

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers  

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what is the use of earthing ?

8 Answers   Electrical Tech,

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Explain the operation of grid connected central solar inverter ?

0 Answers  

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can i have the methods of speed controls for 3 phase AC MOTORS.

7 Answers  

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

0 Answers  

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