NDLI: Coupling Transmission Lines for Wave-Shape Adjust in High-Voltage Surge Tests

Content Provider	IEEE Xplore Digital Library
Author	Lopes Cabral, S.H. Meyer, L.H.
Copyright Year	1972
Abstract	High-voltage (HV) tests are usually required for evaluating electrical withstand of equipment, such as power transformers. These tests are based on standards that suggest values for the parameters of the voltage surge wave shape to be applied. However, for the personnel of HV laboratory, the adjustment of the wave shape is not an easy task. Although standards usually have some flexibility for the parameters of the wave shape for some transformers, it may be even impossible to reach any wave shape that may be minimally acceptable. Based on this problem, this paper presents a conceptual solution that is a special coaxial transmission line to be inserted between the equipment and the impulse generator. The proposed line has a special design in view of matching properties of the impulse generator and the equipment to be tested. Simulation results from the proposed configuration are presented with a discussion of its theoretical performance.
Sponsorship	IEEE Industry Applications Society
Starting Page	2409
Ending Page	2413
Page Count	5
File Size	399845
File Format	PDF
ISSN	00939994
Volume Number	49
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Generators Power transformers Coaxial cables Shape Impedance Resistors power transformer Helical–coaxial cable high-voltage (HV) test
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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