NDLI: Study on the capacity of sheath-protecting surge arrester at a 230 kV cable end

Content Provider	IEEE Xplore Digital Library
Author	Hairui Xu Mardiana, R. Su, C.Q. Cheng-Rong Li
Copyright Year	2011
Description	Author affiliation: Department of Electrical Engineering, The Petroleum Institute PO Box 2533, Abu Dhabi, United Arab Emirates (Hairui Xu; Mardiana, R.; Su, C.Q.) \|\| High Voltage and EMC Laboratory North China Electric Power University, Beijing, China (Cheng-Rong Li)
Abstract	For relatively long cable system, the cable is subdivided into minor and major sections. The sheaths of each minor section are transposed or cross-bonded. Meanwhile the sheaths at both ends of each major section can be grounded, or only the sheaths at the sending end are grounded and at the other end are left open. When short-circuit faults occur close to the ungrounded end, the overvoltage appears between the sheaths and local ground. The arresters which are connected to the ungrounded sheaths suffer more from the overvoltage stress compared to those connected to cross-bonded sheaths. Hence, the absorbed energy capacity of these arresters is of interest to be studied. This paper investigates the influence of some parameters (such as grounding resistance, lead inductance, ratio of source impedance, and rated voltage of arrester) on the arrester capacity. The choice of the absorbed energy capacity (KJ/kV) of arrester is also discussed. The case of a single line to ground fault on a 230 kV cable system is considered. The simulation is carried out using PSCAD/EMTDC.
Starting Page	489
Ending Page	492
File Size	277306
Page Count	4
File Format	PDF
ISBN	9781612841182
e-ISBN	9781612841199
DOI	10.1109/IEEEGCC.2011.5752593
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-19
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Underground Cable Arresters Inductance Power cables Grounding Overvoltage Protection Surge Arrester Lead Sheath Fault Cable shielding
Content Type	Text
Resource Type	Article

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