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Current decrement data for a turbo-generator

Current decrement data for a turbo-generator

Current decrement data for a turbo-generator

(OP)
I am currently working on the coordination study of a factory's emergency network. They have 2 500kW generators and 1 MW turbo-generator.

I was able to get all the information I need about the 2 generators as they are only a few years old. But unfortunately, the turbo-generator was made in the 60's by English Electric and it is very hard to get information about it.

I'm looking for the current decrement data (current vs time) of that 1MW turbo-generator. Is there some place where I could find this information or something similar enough?

Thank you!

RE: Current decrement data for a turbo-generator

Some software packages (SKM) provide a generic decrement curve based on the supplied generator data.

RE: Current decrement data for a turbo-generator

Even if you have the time constants and reactances you will still need to know how the voltage regulator and exciter system will respond to faults.  Some can boost generator output to 300% for a period of time to aid in fault clearing.  

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