How does zener phenomenon differ from avalanche breakdown?

0 Answers  

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how to calculate voltage drop and followed by cable calculation?is there avail in formula?

0 Answers  

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Is current scalar or vector?

11 Answers  

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what is saturation in transformer

9 Answers   Essar,

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why lightining is not available in swith yards?

1 Answers  

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What is the minimum distance between MV busbare (P to P & P to E) as per some standards

1 Answers   ABB, Sejong,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 Answers  

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How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

0 Answers   Siemens,

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formula for incomer breaker size calculation of powerfactor correction unit

3 Answers  

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How can identify meter AC or DC without use of symbel?

4 Answers  

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