Power System 27

severity of disturbance

initial operating states of system

Both A, B

none

rotor mmf and stator mmf 

rotor mmf and resultant mmf

rotor mmf and back mmf

none

Moment of inertia x Rotor speed

Kinetic energy/ power rating

both

none

always rotor speed - synchronous speed

always synchronous speed - rotor speed

for synchronous motor: rotor speed - synchronous speed

for synchronous generator: synchronous speed - rotor speed

none

0-1

1-5

1-10

1-100

sinusoidal wave

sine wave

cosine wave

tangent wave