Answer / karna

1.Power Transformers
2.Distribution transformer
3.Auto Ttransformer
4.Single phase transformer
5.Three phase transformer

Answer / g venkateswarlu

Shell type,core type(both are used at distribution side used),berry type(generating side)

Answer / kadamraj

1)Core types Trasformer
2)Voltage types trasformer
3)Phase types transformer
4)Power types transformer

what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

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why capacitor rating measure in KVAR. ?

2 Answers  

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Question about ct secondaries connections?

1 Answers  

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 Answers  

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while conducting an experiment why we connect the armature rheostat in maximum position and field rheostat in minimum position

1 Answers  

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for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

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What is the full name of one of choke less lamp BLL

2 Answers  

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What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 Answers  

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How i measured Bus bars weight without wighting ?

3 Answers   Encom,

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What is the difference between MCB & MCCB, Where it can be used,

22 Answers   ACB Group, Badve, Bajaj Electricals, Hensel, Siemens, SR,

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