Standardized sensitivity coefficients for power system networks

Journal Article · Tue Nov 01 00:00:00 EST 1988 · IEEE Trans. Power Syst.; (United States)

DOI:https://doi.org/10.1109/59.192969· OSTI ID:6768420

Barcelo, W R; Lemmon, W W ^[1]

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1. MSU System Services, Inc., New Orleans, LA (US)

A simple mathematical transformation for converting power system network sensitivity coefficients from one reference frame to another is derived using a generalized power center concept. The generalized power center consists of a swing power center and an angle center. A standard power center is presented wherein the swing power and angle centers are set equal to the load center. The resulting standardized sensitivity coefficients are independent of the swing bus. Solving a Lagrangian formulation of the economic dispatch problem results in the direct calculation of true system incremental cost only when standardized sensitivity coefficients are used. Results are presented for several practical cases involving the Jacobian and DC load flow matrices and several different power centers. The importance of the swing power sensitivity vector is identified and other key network relationships are developed.

• OSTI ID: 6768420
• Journal Information: IEEE Trans. Power Syst.; (United States), Vol. 3:4
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
29 ENERGY PLANNING
POLICY AND ECONOMY
DC SYSTEMS
LOAD ANALYSIS
CALCULATION METHODS
JACOBIAN FUNCTION
LAGRANGIAN FUNCTION
MATRICES
NETWORK ANALYSIS
POWER SYSTEMS
SENSITIVITY ANALYSIS
ENERGY SYSTEMS
FUNCTIONS
200302* - Power Transmission & Distribution- DC Systems- (1989-)
296000 - Energy Planning & Policy- Electric Power