Answer / sanju

if transformers secondary is kept open,, there will not be
any current flowing in the secondary windidng of a
transformer. Seconday current will start flowing after
connecting laod across secondary winding

cc of scorpio?

0 Answers   MAHINDRA,

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How to calculate the breaking capacity(like 15ka,20ka) of Circuit breaker (MCB,MCCB,ACB)

9 Answers   Career Excellent Sdn Bhd, Neona, Northern Max Engineering, Sps Renewables, Terasaki, UEM,

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findout of current?details 440v,3phase,085pf,hp-5

9 Answers  

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A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.

0 Answers  

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When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers  

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what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

0 Answers   Conan Minerals,

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why single phase to grd test in HV cable?why not 2 phase at a time?

0 Answers  

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i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2 Answers  

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what is use of governer in diesle engine

1 Answers   Aricent,

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Why only 1 CVT in Y-phase is used for synchronization in 3 phase power system?

1 Answers   Reliance,

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what is impedance?

1 Answers   PWD,

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what are the basic concept to design a out door Substation?

1 Answers  

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