A multi-microprocessor based travelling wave relay - Theory and realization

Journal Article · Wed Jan 01 04:00:00 EST 1986 · IEEE Trans. Power Del.; (United States)

DOI:https://doi.org/10.1109/TPWRD.1986.4307919· OSTI ID:5862643

Mansour, M M; Swift, G W

A new travelling wave digital protection scheme to be used as an ultra high speed (UHS) EHV/UHV transmission line relay is presented in this paper. Some of the potential problems and limitations associated with other travelling wave schemes are avoided. Verification of the relay operating principles is presented through digital computer numerical simulation using an electromagnetic transients program (EMTP) in conjunction with simulation of the proposed algorithm. Parallel digital processing is incorporated through multi-microprocessor implementation. Hardware and software of a multiprocessor prototype are managed in a way to fit the algorithm requirements in as simple a construction as possible. The resulting scheme achieves significantly improved security and dependability, in addition to the main features: fault classification and UHS phase selection in selective-pole schemes with minimum communication between the protected ends.

• Research Organization: Univ. of Manitoba, Winnipeg, Manitoba
• OSTI ID: 5862643
• Journal Information: IEEE Trans. Power Del.; (United States), Journal Name: IEEE Trans. Power Del.; (United States) Vol. 1:1; ISSN ITPDE
• Country of Publication: United States
• Language: English

Related Subjects

200300* -- Electric Power Engineering-- Power Transmission & Distribution-- (-1989)
24 POWER TRANSMISSION AND DISTRIBUTION
ALGORITHMS
ARCHITECTURE
ARRAY PROCESSORS
COMPUTER CODES
COMPUTERIZED CONTROL SYSTEMS
COMPUTERIZED SIMULATION
COMPUTERS
CONTROL SYSTEMS
E CODES
ELECTRICAL EQUIPMENT
ELECTRICAL FAULTS
ELECTRONIC CIRCUITS
EQUIPMENT
MATHEMATICAL LOGIC
MICROELECTRONIC CIRCUITS
MICROPROCESSORS
PARALLEL PROCESSING
POWER TRANSMISSION LINES
PROGRAMMING
RELAYS
SIMULATION
TRAVELLING WAVES