What is the difference between RCD & RCCB, Where it can be used

3 Answers  

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

0 Answers   MEIL,

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how many frequent start/stop operation possible in case of HT MOTORS.

5 Answers   DVC, Steel Plant,

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why use phase displacement in transformer.and effect of phase displacement on transformer

0 Answers   IOCL, ONGC,

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what are safety seals in HT line?

2 Answers  

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how to caluclate cable size by Amps

2 Answers  

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What are the uses of MCB & ELCB ?

2 Answers  

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What is meant by Creepage Distance in Insulators?

2 Answers   Areva,

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Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

0 Answers   Classic Infotech,

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what is the use of Auto re-closer?

0 Answers  

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what is power system transient condition

1 Answers  

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how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers   Bosch, NMDC,

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