Answer Posted / m.esakkiraja

1. ALF - Accuracy Limit Factor
It is the ratio of Instrument limit primary current to the Rated primary current.

2. KPV- Knee point Voltage
It is defined as a point where 10% increase in the Secondary Voltage causes an increase in the Secondary Current by 50%.

3. Iexc- Excitation current
A transformer exciting current is the current or amperes required to energize the core.

4. Rct @75°C - Resistance of Secondary winding on CT at 75°C.

what is the meaning of 0.5ohm Resistance

1914

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Classify drilling machines.

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i need some project topics along with circuit diagram in the electrical adnd electronics engg and also give ome website regarding projects.my mail id is thenmozhi2k7@gmail.com .please help me.

2020

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what is the difference between 2 way and 4 pole selector switch???

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Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

1942

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what do u understand about FACTS? how they are useful?

2047

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what is the difference betweem star connected motor & delta connected motor?

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What safety precaution are to be taken for avoiding electric hazards ?

1913

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how does commutator convert a.c to d.c?

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Explain what are inter-poles and why they are required in a dc machine.

1140

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What is the basic principle of operation of alternators/dc generators?

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

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For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

3047

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we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

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