What is the difference between the watt hour meter and Var hour meter in terms of internal connection and work theory . ie "When the meter records watt-hour an when the meter records var hours ??"

13 Answers  

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What is on line ups and off line ups?

2 Answers  

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Can we use shunt trip coil instead of trip coil with protection relay for protection?

0 Answers  

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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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Why AC & DC capacitor are use in UPS ??????????????????

0 Answers   Sanghi,

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What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 Answers   ABB, BGR Energy, NTPC, Powermec,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

0 Answers  

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What is the life of MCCB

1 Answers   Siemens,

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what are FM 200 systems? why it is useful for electrical systems ?

3 Answers  

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What is the frequency of dc current????

4 Answers   SCS,

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what is legal process of dg set?

0 Answers   Dutron Polymers,

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What is the work of ACCP in LT panel?

5 Answers   Juniper Networks,

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