Answer / mayadhar81

Ups is untruppted power supply means Power is continuous
come from this ups if your main power suppy is on or off.

And then inverter is working after power supply is
gone.then invertor is on .

Answer / dipak thumar

Inverter is a part of UPS. in inverter DC supply is fed
through Battery and Battery is continuously charged through
Rectifier circuit from AC supply. in cace of AC supply is
available, inverter gets DC from Rectifier circuit and when
AC fails, it takes from battery.

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

0 Answers  

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if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

0 Answers   Bhel,

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What is mean 2XWY

0 Answers   Wilo,

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can any one tell me the formula to select the thickness of wire selection according to ampere rating

2 Answers  

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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what is the difference between equipment earth and system earth.

1 Answers   Hofincons,

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why elcb used in circuit

4 Answers   ABB,

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why rotor current reading is taken & why not stator?

4 Answers  

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what are the safety measures of induction motor?

0 Answers  

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Why Neutral Isolation is required?

0 Answers  

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Differnce between earthing and nuetral

3 Answers   S Tech, wbsedcl,

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for a slip ring induction motor if the stator is short circuited and rotor is given supply? how does the rotor rotate?

1 Answers   TNEB Tamil Nadu Electricity Board,

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