Answer Posted / m saqib

there is no control on coast down speed of turbine except vacume breaker.when turbine trip the steam stop valve should be closed.when turbine speed reaches 2800 rpm then we open the vacume breaker .then turbine speed reduce > than under vacume.

DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.

941

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LAPT working in alternator / generator

3554

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what is the meaning of SST300 V56A in SIEMENS turbine

4298

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why airtel use + 24 volts and other operators use -48 volt

2564

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what is the trip circuit supervision in an electrical meaning?

2024

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what is the basic use of power plant in equipment

1666

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operation

1826

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What is difference between secondary Air & Tertiary Air and Their use.?

1949

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im try to calculating seawater flow required for SW-FGD system. I need a guide, equation or method to do it, can some one help me! Thanks very much

1932

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why do you consider yourself a suitable candidate for this position

7379

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How to calculate boiler capacity? I have 1 Autoclave, Which has to use for AAC block. Dimension for this Autoclave is - 13 Meter Length & 2.2 Meter Diameter.

2234

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How do you consider that you can improve and what assistance do you need to achieve this

1699

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can u please tell me how to calculate the concrete quantity for a under reamed pile? r=300mm,depth=3m for a cylinder and for bulb l=.750mm,width=.525

1688

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what does mean by kva rating

1440

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explain how the third harmonic content of the magnetising current affects transformer design

3203

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