Methods for Detecting and Analyzing an Open Phase Condition of a Power Circuit to a Nuclear Plant Station Service or Startup Transformer
Working Group K11 Methods for Analyzing and Detecting an Open Phase Condition of a Power Circuit to a Nuclear Plant Station Service or Startup Transformer
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Technical Report
24 Jan 2020
The report presents approaches used to detect open phase conditions that occur in the three phase, high voltage power supply to primary windings of grid connected station auxiliary transformers that provide energy to nuclear power plants. The report addresses:
1. The effect of an open phase condition on transformer types (shell/core) and winding configurations
2. Schemes that can detect open phase conditions
3. Location of the detection schemes
4. Discussion of open phase consequences
1. The effect of an open phase condition on transformer types (shell/core) and winding configurations
2. Schemes that can detect open phase conditions
3. Location of the detection schemes
4. Discussion of open phase consequences
Chairs:
Charles Sufana
Primary Committee:
Power System Relaying and Control Committee (PSRC)
Sponsor Committees:
Working Group K11 Methods for Analyzing and Detecting an Open Phase Condition of a Power Circuit to a Nuclear Plant Station Service or Startup Transformer