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The path switching surge protection system for telecommunications equipment

Author(s):Wansung Kwona, Yongsu Kimb, Dongmin Kimb, Jongyeon Kimb, Dongjin Kimc
aSunkwang LTI. INC., 15, Yangnyeong-ro, Gwanak-gu, Seoul and 08752, Republic of Korea.
bSunkwang LTI. INC., 30, Geumgyedong-gil, Janggye-ri, Hwaseong-myeon, Cheongyang-gun, Chungcheongnam-do and 33311, Republic of Korea.
cSunkwang LTI. INC., 231, Dogok-ro, Gangnam-gu, Seoul and 06230, Republic of Korea.
International Journal of Smart Grid and Clean Energy, vol. 6, no. 2, April 2017: pp. 84-89
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.6.2.84-89

Abstract:Existing surge protective device for communication loses its intrinsic characteristics by the system generated from inside/outside for its major elements in MOV (Metal Oxide Varistor), GDT (Gas Discharge Tube), TVS (Transient Voltage Suppressor) and resistance for passive elements. The surge protective device of the communication system is inserted directly to the middle of the line in the structure that, if it loses the function, normal protection on the protected equipment would be impossible and it generates direct damage to the protective equipment by the excessive voltage/current. Therefore, this paper describes on surge protective system for stable protection and easy maintenance of the communication system by periodically confirming the line condition and improvement of structure in double for the single protection type in series as the most vulnerable part.

Keywords:Surge; protection; SPD; telecommunications; parallel-type

Full Paper.pdf
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