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Application of BJT as a bidirectional switch for low voltage circuit protection

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Title: Application of BJT as a bidirectional switch for low voltage circuit protection

Authors: G. R. Padmini, M. Satyam, K. Lalkishore, P. A. Govindacharyulu

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2010

Volume: 5

Issue: 8

Language: English

Categories
Electrical Engineering (5972) Semiconductors (19) Circuit Protection (2) Switches (1) Power Electronics (278)

Abstract

In this paper the function of an all electronic circuit breaker has been demonstrated. Till recently the alternatives to electromechanical and magnetic circuit breakers are very few. Solid state devices are reliable and have high life time. This circuit breaker is demonstrated with BJT as a bidirectional switch. The operation of the bidirectional switch is analyzed for different operating conditions to determine the limitations of this design. Bidirectional switches with TRIAC, IGBT are commercially available however circuit breaker with BJT as a bidirectional switch is a new approach for low voltage circuit protection.

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