A 20 MVA, 50 Hz, 4 pole synchronous machine has inertia constant H = 9 MJ/MVA. Find the kinetic energy at synchronous speed and the accelerating torque if the shaft input is 26800 hp and the electrical power developed is 16 MW. Assume that the acceleration is constant for 15 cycles. Determine (a) the change in torque angle in that period (b) speed at the end of 15 cycles.
A 20 MVA, 50 Hz, 4 pole synchronous machine has inertia constant H = 9 MJ/MVA. Find the kinetic energy at synchronous speed and the accelerating torque if the shaft input is 26800 hp and the electrical power developed is 16 MW. Assume that the acceleration is constant for 15 cycles. Determine (a) the change in torque angle in that period (b) speed at the end of 15 cycles.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A 20 MVA, 50 Hz, 4 pole synchronous machine has inertia constant H = 9 MJ/MVA. Find
the kinetic energy at synchronous speed and the accelerating torque if the shaft input is
26800 hp and the electrical power developed is 16 MW. Assume that the acceleration is
constant for 15 cycles. Determine (a) the change in torque angle in that period (b) speed at
the end of 15 cycles.
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