The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON MATHEMATICS
Transactions ID Number: 28-777
Full Name: Su Hongsheng
Position: Professor
Age: ON
Sex: Male
Address: School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070
Country: CHINA
Tel: 0931-4938626
Tel prefix: 86
Fax:
E-mail address: shsen@163.com
Other E-mails: shsen@163.com
Title of the Paper: Reliability Mathematics Analysis on Traction Substation Operation
Authors as they appear in the Paper: Su Hongsheng
Email addresses of all the authors: shsen@163.com
Number of paper pages: 10
Abstract: In electrified railway traction power supply systems, the operational qualities and reliabilities of the main traction transformer loop is higher, but ones of bus output units is comparatively low. The traction transformer loop still works when output loops are in failure, and the output loop interrupts working when the main transformer is in failure, and only has residual life when restoring working, the connection formation between them is in series. Traditional reliability analysis methods let their lifetime follow exponential distribution, and reliability is investigated based on the minimal path sets, which lead to a comparatively rough result, consequently. According to Markov theory, in this paper the main loop life is considered as mixed Erlang distribution with order n, and the output unit life follows generic distribution. As compared with conventional series systems, the acquired results are proved to be reliable and sound.
Keywords: Transformer; Erlang distribution; Life; Markov theory; Reliability; Traction substation
EXTENSION of the file: .pdf
Special (Invited) Session: Generic Characteristic Analysis on Traction Substation Operation
Organizer of the Session: 610-226
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