State estimation of voltage and phase-shift transformer tap settings

Journal Article · Sat Aug 01 04:00:00 UTC 1992 · IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/59.207358· OSTI ID:7102410

Teixeira, P A; Brammer, S R; Rutz, W L ^[1]; Merritt, W C; Salmonsen, J L ^[2]

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1. Stagg Systems Inc., Houston, TX (US)
2. Niagara Mohawk Power Corp., Syracuse, NY (US)

Traditionally, state estimation algorithms have treated each transformer tap setting (voltage transformer turns ratio or phase-shift transformer angle) as a fixed parameter of the network, even though the real-time measurement may be in error or non-existent. In this paper, a new transformer tap estimation technique is presented which incorporates the function directly into the state estimation algorithm. The procedure provides for turns ratio and phase angle measurements and treats each transformer tap setting as an independent state variable. Test results for an actual 300-bus network demonstrate the tap estimation capability.

• OSTI ID: 7102410
• Journal Information: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (United States) Vol. 7:3; ISSN ITPSE; ISSN 0885-8950
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
240000* -- Power Transmission & Distribution-- (1990-)
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ALGORITHMS
CALCULATION METHODS
ELECTRIC POTENTIAL
ELECTRIC UTILITIES
ELECTRICAL EQUIPMENT
EQUIPMENT
MATHEMATICAL LOGIC
PHASE SHIFT
PUBLIC UTILITIES
TRANSFORMERS