Answer / ernesto matsimbe

IP (Ingress Protection) represents the level of protection the equipment has with regards to the immersion of moisture/dust etc... inside the equipment. Basically, where the equipment can be installed (Indoor/Outdoor). The higher the number the better it is.

For hazardous areas (HA) an accordingly EX rated equipment must be installed according to HA Classification (Zone 1, Zone 2 & Zone 3 for liquids and gases and Zone 21, Zone 22 & Zone 23 for dusts)

What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

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What the difference between ac and dc inductor an capacitor

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what is meant by leading or lagging power factor?like in capacitor power factor is leading and in inductor power factor is lagging

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I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?

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How Flywheel run in DG set, tell in details

1 Answers   Sambhav, TATA,

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hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

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List out the different frequency domain specifications?

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

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domine+aptitude test means?

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what is differance between kvarh $ kvah

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what the is the distance between 110kv termination point and the ground. how to calculate

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can we use relay in fan?

0 Answers   NTPC,

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