NDLI: Development of a 20 kV damped oscillating voltage generator

Content Provider	IET Digital Library
Author	Hou, Zhe Yu, Peixiang Li, Hongjie Ji, Shengchang Zhang, Wei Zhou, Hua Xu, Fei
Abstract	This study describes the design and development of a 20 kV rated damped oscillating voltage (DOV) generator that can detect the partial discharge (PD) condition in 6/10 kV power cables. A complete system using a novel high-voltage switch consisting of a series of connected insulated gate bipolar transistors (IGBTs) is designed and tested. The switch consists of ten identical IGBT switch units, a multiple output isolated power supply system and a trigger unit. Physically, it is a 60 cm diameter fan-shaped printed circuit board. To coordinate the various tested objects and to comply with the IEC 60060-3 standards, an air-core inductor is calculated to precisely fit the most general application conditions using the magnetic vector potentials method. A laboratory prototype is assembled and tested. Waveforms illustrating the performance of the IGBT switch and the output of the DOV are presented. Finally, an application-oriented test demonstrates that the scheme can successfully complete the PD test and PD location test for a cable sample.
Starting Page	680
Ending Page	688
Page Count	9
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 4, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0021
Journal	IET Power Electronics
Publisher Date	2016-03-30
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	A.C. Machine Air-core Inductor Application-oriented Test Bipolar Transistor Dielectric Breakdown And Discharges Electric Generators Fan-shaped Printed Circuit Board High-voltage Switch Identical IGBT Switch Units IEC 60060-3 Standards Insulated Gate Bipolar Transistors Insulated Gate Field Effect Transistors Magnetic Vector Potential Method Multiple Output Isolated Power Supply System Partial Discharge Condition Partial Discharges PD Location Test PD Test Power Cables Power Converter Power Inductors Power Semiconductor Device Power Semiconductor Switches Power Supplies to Apparatus Power Transmission, Distribution And Supply Rated Damped Oscillating Voltage Generator Small And Special Purpose Electric Machine Transformer And Reactors Trigger Unit
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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