Synchronization Between Two Different Voltage Souces Via Transformer
Synchronization Between Two Different Voltage Souces Via Transformer
(OP)
We need to synchronize an 11kV voltage source with one 415V source. Attached is a simple sketch of connection diagram.
In order to have the synchronization done at 415V bus, I need to first step down the 11kV source to 415V. Can I use the same transformer to feed the 415V supply back to the 11kV bus after synchronization?
Can I use a YNyn transformer so that I can first step-down the 11kV source to 415V to give supply to the 415V Generator Auxiliary (three phase with neutral, connected to the same 415V bus) to start up the 415V generator and then use the same transformer to export the 415V supply to the 11kV bus?
In order to have the synchronization done at 415V bus, I need to first step down the 11kV source to 415V. Can I use the same transformer to feed the 415V supply back to the 11kV bus after synchronization?
Can I use a YNyn transformer so that I can first step-down the 11kV source to 415V to give supply to the 415V Generator Auxiliary (three phase with neutral, connected to the same 415V bus) to start up the 415V generator and then use the same transformer to export the 415V supply to the 11kV bus?






RE: Synchronization Between Two Different Voltage Souces Via Transformer
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: Synchronization Between Two Different Voltage Souces Via Transformer
Check the grounding (earthing) on the YNyn transformer. A gounded neutral on either the 400V or 11 kV side will affect the ground fault current level and may defeat high impedance grounding.
RE: Synchronization Between Two Different Voltage Souces Via Transformer
RE: Synchronization Between Two Different Voltage Souces Via Transformer
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: Synchronization Between Two Different Voltage Souces Via Transformer
RE: Synchronization Between Two Different Voltage Souces Via Transformer
Bill
--------------------
"Why not the best?"
Jimmy Carter