Reactive-power dispatch by successive quadratic programming
- Waterloo Univ., ON (Canada)
- Energy Management Systems Div., Control Data Corp., Plymouth, MN (US)
In this paper the reactive-power dispatch is formulated as the minimization of real-power losses in the system, utilizing a full set of control variables: generator voltages, switchable shunt susceptances and transformer taps. The solution of the loss problem is obtained by successively solving quadratic programming problems. First- and second-order loss sensitivity coefficients are derived for the quadratic problem formulation. The derivations are based on the Jacobian method for sensitivity calculations. Sensitivity relations for the dependent constraints are based on the complete reactive-power model of the fast decoupled load flow method. The active-set projection method for quadratic programming is described and utilized as the solution algorithm for the quadratic reactive-power dispatch problems. Tests are conducted on the IEEE 30-bus and Mexican 253-bus systems. A discussion of the computer results is also presented.
- OSTI ID:
- 5621164
- Journal Information:
- IEEE Transactions on Energy Conversion; (USA), Journal Name: IEEE Transactions on Energy Conversion; (USA) Vol. 4:3; ISSN 0885-8969; ISSN ITCNE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
24 POWER TRANSMISSION AND DISTRIBUTION
29 ENERGY PLANNING, POLICY, AND ECONOMY
296002 -- Energy Planning & Policy-- Electric Power Transmission & Distribution-- (-1989)
CALCULATION METHODS
COMPUTER CALCULATIONS
ELECTRICAL EQUIPMENT
ENERGY LOSSES
EQUIPMENT
FUNCTIONS
JACOBIAN FUNCTION
LOSSES
MINIMIZATION
POWER DISTRIBUTION SYSTEMS
POWER LOSSES
PROGRAMMING
SENSITIVITY ANALYSIS
TRANSFORMERS