A high speed algorithm for simulation of large scale power system dynamics

Journal Article · Mon Jan 01 00:00:00 EST 1990 · Electric Machines and Power System; (USA)

OSTI ID:6771838

Khincha, H P; Jenkins, L; Sreerama, K R ^[1]; Ramanujam, R ^[2]

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1. Indian Inst. of Science, Bangalore (India)
2. International Development and Engineering Associates, Bangalore (IN)

The simultaneous implicit approach has become the sate-of-the-art for transient stability simulation. The associated algorithm results in considerable saving in CPU time and elimination of interface errors between the set of algebraic equations of the network and they synchronous machines, and the set of differential equations of synchronous machines and associated control systems. In this paper, certain significant changes are proposed to this approach, with the aim of speeding up the algorithm without sacrificing accuracy. These changes are convergence criterion based on generator real power output rather than rotor angle, a two-tier approach for the iterative solution of algebraic and differential equations, and better corrector formula for rotor angle. Preliminary tests on a standard test system reveal that the number of network solutions required for convergence per time step can be reduced by half.

• OSTI ID: 6771838
• Journal Information: Electric Machines and Power System; (USA), Vol. 18:3; ISSN 0731-356X
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
20 FOSSIL-FUELED POWER PLANTS
29 ENERGY PLANNING
POLICY AND ECONOMY
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
ELECTRIC GENERATORS
DYNAMIC LOADS
POWER SYSTEMS
COMPUTERIZED SIMULATION
ALGORITHMS
ARRAY PROCESSORS
DIFFERENTIAL EQUATIONS
ITERATIVE METHODS
LOAD MANAGEMENT
PARALLEL PROCESSING
STABILITY
ENERGY SYSTEMS
EQUATIONS
MANAGEMENT
MATHEMATICAL LOGIC
PROGRAMMING
SIMULATION
240100* - Power Systems- (1990-)
200104 - Fossil-Fueled Power Plants- Components
296000 - Energy Planning & Policy- Electric Power
990200 - Mathematics & Computers