What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

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What is the GNA & MNA in armature reaction of Dc Generator

2 Answers   Khetan,

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what is diffrence between neutral and earth wire

23 Answers   Bhel, Esab, MTNL,

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Whats difference between a single phase & a three phase motor?

4 Answers  

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what is load cell

3 Answers   TATA, Wipro,

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If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????

1 Answers  

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

7 Answers  

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how to discharge 3 phase power factor correction capacitors

0 Answers   M S Ramaiah Institute,

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Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro

2 Answers  

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the transient state stability limit of a system wherin power is transmitted throgh a double transmission line is (a)equal to steady state stability limit (b)more than its steady state stability limit (c)less than than its steady state stability limit (d)equal to its dynamic stability limit

1 Answers  

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What are differences between Conventional & Addressable type smoke detectors?

1 Answers  

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what is the definition of a power transformer ?

4 Answers  

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