Hello.
I work as a protection engineer in an electrical utility.
We're trying to use a ROCHESTER UDP-100 Relay but we don't the instruction manual and software to configure the relay. We know that ROCHESTER sold the UDP (Universal Distribution Protection) relay family to Cooper Power and...
The capacitor bank is designed for an ungrounded wye connection, so I suppose that the breaker is capable to work with any trouble, but i'm going to doublecheck that.
I know that the Breaker have a ABB Switchsync that helps to reduce the switching transients.
Regards.
Hello. I work in an electrical utility as a protection engineer, and we are planning to put in service a 48 MVAR capacitor bank in a 230 kV Bus.
230 kV Capacitor Bank specs:
- 48 MVAR
- Connection: ungrounded wye
- Each phase of the cap bank have 10 series group each one with 8...
Thank you for your response slavag.
Right now I'm checking the relay manual and it shows some basic information about the interposing xfmrs. I hope that you find something in your old BBC catalog.
I'M DOING THE CALCULATIONS OF THE SETTINGS FOR THE PROTECTION RELAYS ASSOCIATED TO A 33MVA (24/13,8 kV) GROUNDED WYE AUTOTRANSFORMER.
AWE HAVE A OLD BBC D21se RELAY AS A DIFFERENTIAL PROTECTION WITH INTERPOSING XFMR FOR THE CURRENTS OF THE 24 and 13,8 kV SIDES. THE ONLY DATA THAT I HAVE OF...
