Answer Posted / japaul gulf electromechanical

IDMT is an acrony for Inverse Definite Minimum Time Relay,
it is use in the Protection of High, Medium and Low Voltage
swithgears in power substation/ low voltage room.

what is the usage of microcontroller in the panel board?

2086

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what is the use of piston rings in the engine used for a generator...........

2201

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What is the function of auadag in a cro?

1131

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advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1805

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WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

2043

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What Is HO factor in power selection

2082

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For high frequency application we use which transformer?

1940

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What is the voltage gain or transfer function of amplifier?

1144

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briefly explain the main blocks found in a microprocessor based system

2203

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1797

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Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

2002

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

2066

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what is package substation.how many types they have

2108

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what is advertised hop count

1776

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IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3866

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