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\begin{document}
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\title{The Implementation of a Cost-Efficient Damped AC Testing Methodology for
Transmission Cables Based on DC-AC Conversion and Distributed Partial
Discharge Detection}



\author[1]{yuxin lu}%
\author[2]{Hongjie Li}%
\author[1]{Yu Zhang}%
\author[1]{jing hu}%
\author[3]{lin yin}%
\author[4]{Weisheng He}%
\author[1]{nianping yan}%
\author[1]{tangbing li}%
\author[1]{jianzhang zou}%
\author[2]{Yuan Yan}%
\author[1]{longwu zhou}%
\affil[1]{State Grid Jiangxi Electric Power Co Ltd Electric Power Research Institute}%
\affil[2]{Xi'an Jiaotong University}%
\affil[3]{State Grid Jiangxi Electric Power Co Ltd}%
\affil[4]{Chongqing University of Posts and Telecommunications}%


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  \date{April 25, 2026}


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\begin{abstract}
This study developed a damped alternating current (DAC) testing
methodology, composed of an improved DAC generator and a pulse-based
distributed PD-detection technique. The improved DAC generator lacks
high voltage (HV) solid-state switches and is thus a cost-efficient
solution for field-testing voltage generation via a direct
current--alternating current (DC-AC) conversion technique. A capacitor
bank is used for power supply to achieve the requirement for high
instantaneous power. In addition, the use of a distributed PD detection
technique enables high sensitivity and makes the method free from
restrictions of the cable length. To reduce the construction cost of the
distributed PD-detection system, a pulse synchronization technique is
used. Attempts was made to reduce the weight based on the simulations,
and a prototype with the total weight of 850kg was designed and
developed for a 64/110kV power cable. Laboratory and field tests
validated the effectiveness of the cost-efficient DAC testing
methodology.%
\end{abstract}%



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\verb`The Implementation of a Cost-Efficient Damped AC Testing Methodology for Transmission Cables Based on DC-AC Conversion and Distributed Partial Discharge Detection.doc`  available at \url{https://authorea.com/users/822637/articles/1219925-the-implementation-of-a-cost-efficient-damped-ac-testing-methodology-for-transmission-cables-based-on-dc-ac-conversion-and-distributed-partial-discharge-detection}

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