Abstract
Over the past few decades, PJM has moved voltage, transient, and dynamic stability analysis—historically the domain of planners and back-office engineers—into the control room. PJM utilizes the Real-Time Transfer Limit Calculator (RTTLC) to perform voltage stability analysis and determine operation limits. The Voltage Stability Analysis & Enhancement tool (VSA&E) application is used to further analyze the limits from RTTLC and find non-cost options (such as transform tap moves or capacitor switching) which can be used to increase the interface limit. The Transient Stability Application (TSA) is used to determine transient and dynamic stability limits for real-time conditions allowing PJM to operate more efficiently than relying on offline studies.
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Notes
- 1.
Throughout this chapter, the term “TSA&C” will be used to discuss the specific software product developed by Powertech Labs Inc., whereas “TSA” will be used to discuss the broader ecosystem, usage, and business processes that employ the TSA&C tool. These two concepts are closely connected, so at times the terms could conceivably be used interchangeably.
References
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J. Tong, Real time transfer limit calculations, in 2000 Power Engineering Society Summer Meeting (Cat. No.00CH37134), Seattle, WA, 2000, pp. 1297–1302, vol. 2. https://doi.org/10.1109/PESS.2000.867576
J. Tong, L. Wang, Design of a DSA tool for real time system operations. Powercon (2006)
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Manno, D.G., Sexauer, J.M. (2021). Use of Voltage Stability Assessment and Transient Stability Assessment Tools at PJM Interconnection. In: Nuthalapati, S.(. (eds) Use of Voltage Stability Assessment and Transient Stability Assessment Tools in Grid Operations. Power Electronics and Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-030-67482-3_7
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