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Parallel power system transient stability analysis on hypercube multiprocessors

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4 Author(s)
S. Y. Lee ; Sch. of Electr. Eng., Cornell Univ., Ithaca, NY, USA ; N. D. Chiang ; K. G. Lee ; B. Y. Ku

With the growth in size and complexity of interconnected power systems the simulation of power system equations in the time domain for stability assessment is becoming more time-consuming or too expensive. There is always considerable incentive to find better computation schemes. The authors develop an efficient and fast computation scheme for transient stability analysis on a hypercube multiprocessor. In order to realize communications among processing elements (PEs) efficiently, a pseudo-binary tree is embedded into the hypercube. The pseudo-binary tree is a binary tree structure where a node in the hypercube may correspond to more than one node in the corresponding binary tree. The implementation results on an iPSC/2 are discussed in detail to suggest an efficient way to parallelize the computation for power system transient stability analysis

Published in:

IEEE Transactions on Power Systems  (Volume:6 ,  Issue: 3 )