Answer Posted / rakesh kumar nayak

it is nothing but a register in which you have
record all the blue pictures.

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

2067

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why core is useful for a transformer ?and also in its operation ?

2145

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

2002

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why do we lay up the core of a cable?

2074

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how wecalculate breaking capcity of acb mcb mccb .explain with example

1989

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at what base you will tell the direction of rotation of dc motors and generators?

1176

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How to calculate the copper in HT motors if KW, RPM & Voltage is given

3261

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Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

2303

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We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.

1916

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1883

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ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6393

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I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

2373

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what is the significance of cabability curve of alternator

2271

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How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

2061

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During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1923

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