Xd generator vs impedance of Transformer how to calculate?
Xd generator vs impedance of Transformer how to calculate?
(OP)
I work in large project, i want to ask about relationship between the Xd of generator vs impedance of transformer.
I had generator with Xd 15.3% and impedance of transformer is 30% how i can demonstrate the calculation to required the voltage drop if;
motor output rating >200kW, 50Hz,nominal 49.5-50.5 Hz max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 3ph+PE
motor output rating <200kW, 50Hz, nominal 49.5-50.5 Hz max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 3ph+PE
motor output rating up to 0.37kW, 50 Hz, nominal 49.5-50.5 Hz, max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 1ph+PE.
need your advise
thanks in advance
I had generator with Xd 15.3% and impedance of transformer is 30% how i can demonstrate the calculation to required the voltage drop if;
motor output rating >200kW, 50Hz,nominal 49.5-50.5 Hz max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 3ph+PE
motor output rating <200kW, 50Hz, nominal 49.5-50.5 Hz max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 3ph+PE
motor output rating up to 0.37kW, 50 Hz, nominal 49.5-50.5 Hz, max 47.5-52.5 Hz, 6.6 kV plus minus 6% during normal operation, -15% during start up. 1ph+PE.
need your advise
thanks in advance






RE: Xd generator vs impedance of Transformer how to calculate?
Are you looking at the voltages during motor starting or running conditions?
Assign a reasonable power factor for the motor.
Look up previous threads in this forum on voltage drop and apply your values.
RE: Xd generator vs impedance of Transformer how to calculate?
RE: Xd generator vs impedance of Transformer how to calculate?
RE: Xd generator vs impedance of Transformer how to calculate?