A fast method for determining thermal transfer capabilities
- ComEd, Chicago, IL (United States)
Power transfer capabilities have been historically determined on a non-simultaneous incremental transfer basis. Many reliability regions publish seasonal reports which yield benchmark transfer capability levels. Some attempts are even made to model actual system conditions to test daily peak transfer capabilities. Although incremental transfer capability is determined on a non-simultaneous basis, there have been attempts to identify correlations between common transfer directions. Recent efforts have tried to graphically depict these correlations. However, many of these efforts, even though graphical, are difficult to interpret by most users. Rather than providing insight into the effects of simultaneous transfer capability, they can add confusion. This paper describes a method which is designed to retain some of the simplicity of evaluating non-simultaneous transfer capabilities, yet incorporate the simultaneous effects on transfer capabilities. The method focuses on thermal transmission constraints and does not address voltage and stability limits. For this reason, the term transfer capability will imply thermal limitations unless noted otherwise. This proposed method has been developed without the pressures of preconceived transfer capability objectives. It is the result of extensive transfer capability studies with the intention of finding a process which is most consistent with the emerging needs of a deregulated industry. The proposed transfer capability method is intended for regular use by qualified power system analysts.
- OSTI ID:
- 376191
- Report Number(s):
- CONF-960426--
- Country of Publication:
- United States
- Language:
- English
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