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We know that the no load acceleration torque of a synchronous generator is given by the equation (Ta = Tm -Te - Td) where Td = Dw and D being the damping due to rotor losses. Is there a way of estimating or measuring the damping based on the machine nameplate and without running the machine?

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    \$\begingroup\$ Hello zarbtc, just a note that you can use MathJax in your question to write proper formulae. Note it works a little differently here than on other 'stacks. \$\endgroup\$ – rdtsc Oct 25 at 17:34

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