Answer / guna

we have to apply three phase voltage only..bcoz,for
transformer rated voltage is 220kv not 230v.we can check in
l.v side also.

what is bus duct and what is differance between bus duct and bus bar

6 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 force on a conductor in a magnetic field ?

0 Answers  

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Draw a block diagramof Three UPS systems connected in Parallel mode?

0 Answers   HSL,

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I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

0 Answers   AIS,

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it says in neutral wire current flows under normal condition, but when we put tester it wont glow, why?

7 Answers   HCL,

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if any one phase of the 11kv/415v distribution transformer not delivering the supply voltage what will happen

2 Answers  

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What is a compensator?

0 Answers  

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what is recommended breakdown voltage of transformer oil?

5 Answers  

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Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

4 Answers  

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give me atleast four differences between circuit and network

0 Answers  

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The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

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