Array and parallel processors in on-line computations. Final report

Technical Report · Thu Apr 01 04:00:00 EST 1982

OSTI ID:5152480

Pottle, C

This report presents a classification of parallel processors and discusses previous EPRI-sponsored work indicating that the array processor holds special promise for use in power systems simulation problems. Operating on this premise a complete ac power flow code was developed for the Floating Point Systems AP-120B array processor and its host computer. This optimized code will solve the IEEE standard 118-bus power flow in less than 2.5 ms. from a flat start and can be reasonably projected to solve a 1000-bus power flow in less than 0.5 second. Computational speed of this order allows problems such as on-line contingency studies to be solved. Up until now these solutions were inaccessible due to the expense of the equipment required. The performance of a parallel connection of several array processors has also been studied. The results show that a rather simple configuration of several processing elements resembling the AP-120B will operate with a speedup close to the number of processors involved.

• Research Organization: Cornell Univ., Ithaca, NY (USA). School of Electrical Engineering
• OSTI ID: 5152480
• Report Number(s): EPRI-EL-2363; ON: DE82903572
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS
990200* -- Mathematics & Computers
ARRAY PROCESSORS
COMPUTER CALCULATIONS
COMPUTERIZED SIMULATION
ENERGY SYSTEMS
ON-LINE SYSTEMS
POWER SYSTEMS
SIMULATION