freetown
Electrical
- Mar 1, 2024
- 20
Hi all,
A synchronous motor 11 kV and 2.8 MW (DOL contactor) employs a series impedance (inductor) to limit the starting current during startup. After a few seconds, a bypass contactor is activated to bypass the impedance. The DC excitation is applied following the bypass.
A manufacturer asks what is the induced voltage before startup/excitation and how this voltage is obtained.
In my case, is the induced voltage equal to the nominal voltage of 11 kV?
A synchronous motor 11 kV and 2.8 MW (DOL contactor) employs a series impedance (inductor) to limit the starting current during startup. After a few seconds, a bypass contactor is activated to bypass the impedance. The DC excitation is applied following the bypass.
A manufacturer asks what is the induced voltage before startup/excitation and how this voltage is obtained.
In my case, is the induced voltage equal to the nominal voltage of 11 kV?