what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

1 Answers  

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what is lxr?

0 Answers   NTPC,

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Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 Answers  

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What is the avergae difference between OTI and WTI for EHV Power transformer?

7 Answers  

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If we have two nodes A and B and Vab is the potential difference between these nodes then which node is called reference node a.node A b.node B c. Ground node

1 Answers  

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HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

4 Answers   Areva,

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why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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What is an Isolation Transformer? Where it will use?

3 Answers  

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In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 Answers  

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why we generate transmit and distribute electrical supply in multiple of 11

6 Answers   NHPC,

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