Answer / srij21

Ask the questions clearly .i think u want to know the
rating of the UPS to be used.For this u should know the
load that is to be connected with the UPS.Based upon the
load ,u convert the load to KVA ( if the calculated load is
KW) and ask for the UPS supplier to give the ratings list.
Or else u call the UPS supplier and give him the list.he
will guide you.

The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 Answers  

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what is the diffrent between ups and inverter

2 Answers   ABB,

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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Advantage of earthing transformer

2 Answers   EID Parry,

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which generator is called as brushless excitation generator and why??

3 Answers  

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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model question paper for supervisor trainee

0 Answers   Bhel,

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what the effect will occur if we increase the airgap in induction motor

4 Answers   IES, Tanfac,

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what is the exact meaning of power

1 Answers   SKB,

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Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit

1 Answers  

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What is the purpose of SOTF being used inspite of distance Protection given?

7 Answers   Alstom,

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