Answer Posted / abdelrahman fahmy

Air Circuit breaker
SF6
Vacuum
Air Blast
Oil immersed circuit breaker
the most common types are SF6 and Vacuum
Vacuum is compact size than the SF6

I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

2301

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How RTCC panel is working and give single line diagram for RTCC with transformer?

3144

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What are the various types of BUSBAR Schemes? explain each

5409

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how to select correct size of power cable for inverter duty motor

1637

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at which voltage level arcing ground is occurs ??????????

2125

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how you configure motorvision relay (L&T make)from DCS

4961

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diff b/w elcb and rccb

2341

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WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

2143

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

2065

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What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2853

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List of equipments required foe industrial repair lab.

1935

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I Want randstand placement papers

1872

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How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

2393

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2484

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what is the advantages og idmt relay over magnetic relay??

4291

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