The above figure is extracted from Cookbook Chapter 10 example. It states that, to achieve zero (negligible) current in the synchronous machine (SM) in steady-state, the voltage magnitude should be 13.8 kV, and angle should be -31.08 deg (to account for phase shift by the transformer and interface, Dt = 50 us). I understand the 30 deg phase shift of the delta-star winding. However, what is an interface time? How does an interface time affect phase shift?
Your advice is much appreciated. Thank you.
synchronous machine, open-circuit, phase shift
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Aug 29, 2020 - 06:15 AM
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