Answer / pradhyumn

Synchronous motors draws leading current from the source,
while the inductive loads draws the lagging current. So
synchronous motor improves the P.F. by balancing the
reactive power needed by inductive load.

Answer / k.prakashchandra

It draws capacitive current from the system.

How many types of fault occur in a 3-phase power system?

2 Answers  

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Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

0 Answers  

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what is use of governer in diesle engine

1 Answers   Aricent,

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For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

0 Answers   Electrical Tech, UPSE,

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why a motor overheated stops to rotate ?????

1 Answers  

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can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

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What will happen if supply frequency change in Transformer KVA rating ?

1 Answers  

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can I connect step down transformer(25KvA,240V Phase to phase)to output of online UPS(15KvA,440V PHASE TO PHASE) Load connect to TRANSFORMER is 13KvA,240V PHASE TO PHASE. please brief if it is wrong

1 Answers   DRJ ARDE,

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why we are using DC violtage for testing of cables....which is used in HV AC applicatons...

1 Answers  

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how we can calculate earth fault current?

1 Answers   Alchemist,

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Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

0 Answers  

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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