Different Conditions of Turbine Operation

S

Thread Starter

saqi

What is meant by maximum continuous rating of steam turbine and what is the difference between maximum continuous ratings and rated output of steam turbine?

Can someone explain me following conditions of steam turbine operation that what exactly these are?

1. THA (Heat rate acceptance condition)
2. TRL (Rated load condition)
3. TMCR (Maximum continuous rating condition)
4. VWO (Valve wide open condition)
5. 75% THA condition
6. All high pressure heater stop condition

Keep in mind that these are conditions for our supercritical steam turbine in coal fired power project. I do not know that these conditions remain same for all projects or not.

If someone have knowledge about it kindly explain me.
Thanks in advance.
 
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