Answer / salman ansari

When car is started it
requires high starting
torque. This
requirement can be
fulfilled by series motor
that is why we use
series motor

Answer / apoorv

series motor has high starting torque and as its terminal voltage increases , current also increases, so it is used.

Can we use same copper cable for both AC & DC power.

3 Answers  

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how we select fuse rating for motor?

6 Answers  

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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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2. What are the parameters of EHT sub-station?

0 Answers   APGenco,

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We have given to 3phase supply to ups system & how can coming netural

0 Answers  

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

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what is the charging battery current of 80 kva UPS/100AH bocket make battery.

4 Answers  

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why r we using shell transformer for low voltage

0 Answers  

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Difference between ac parallel circuit and ac series circuit?

0 Answers  

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Hysteresis loss in a core is due to what reason or property of the material used for that core?

1 Answers  

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