Answer Posted / rana_14march

I would like to go ABB compact Substation Unit but cost is
10 lackh per unit, and G.O.,D.O.fuse unit with pole
structure is about 5 lackhs.

please suggest which system we should adopt.

mccb service sittings be done?

1891

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why electronic instruments is more favorable than electrical?

1915

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

2272

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how to calculate the battery AH

2712

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please send me previose rrb junior engineer qustion papers

2091

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What is error of a measurement?

1155

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Compare jfet’s and mosfet’s.

1210

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r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1671

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Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1890

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

1925

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what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

2205

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

1851

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where the lexical paramater will use in fron end?

1820

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Factory acceptance test. FAT. For 132 kv transmisstion towers what is that meaning and what are the tests commonly companies perform now days.

1768

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why the projects getting loss?

1884

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