Answer / biman

mech. pow. is converted into elec. pow. output volt. is
const. , pow. fact. should be kept const. so mech. power
increasing leads to increased current.

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers  

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what is LDR used in street light

2 Answers   Cipla, Ram Infotech, Wipro,

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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to operate air conditioner of 1.5ton what power of generator is required

1 Answers   Bharat,

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what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 Answers  

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I NEED RRB CHENNAI (JE ELECTRICAL) QUESTION PAPER FOR LAST 5 YEAR AND I NEED RRB (JE ELECTRICAL) SYLLABUS.PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

12 Answers   DFM, Hindustan Unilever Limited, JE, Pace, RRB,

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Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

0 Answers  

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How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

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What is the effect of pd controller on system performance?

0 Answers  

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how to calculate ups and battery rating

2 Answers  

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How to calculate 33 kv panther conductor line losses.

1 Answers   Construction, Orange,

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how to check the earth resistance value& what is the minimum earth resistance for good earthing sysytem.

33 Answers   Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro,

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