what is the function of supervison relay?Draw its wiring diagram.

2 Answers   IBM, R.R. ISPAT LIMITED,

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i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

0 Answers   TNEB Tamil Nadu Electricity Board,

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directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?

1 Answers  

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is there any lightning by passer is arranged in ship like buildings?

0 Answers  

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How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

0 Answers  

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Why generally the transformer primary is connected in star & secondary in delta

7 Answers  

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on whcih cycle does gas turbine works?

2 Answers  

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Can we use 1.1x 2 split air-conditioning at a same time in 2kw power loadar

1 Answers  

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

0 Answers  

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3 phase =440v single phase = 230v 2 phase =?

8 Answers   Accenture,

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Which protection detects both AC and DC?

3 Answers   Megatron Solutions,

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