Switch based on relays with low operation and release time for AC-DC transfer difference measurements

被引：0
|
作者：
Konjevod, Jure [1 ]
Hegedus, Hrvoje [1 ]
Malaric, Roman [1 ]
Kunst, Ivica [1 ]
机构：
[1] Univ Zagreb, Fac Elect Engn & Comp, Zagreb, Croatia
来源：
2018 FIRST INTERNATIONAL COLLOQUIUM ON SMART GRID METROLOGY (SMAGRIMET) | 2018年
关键词：
fast switching; ac-dc transfer difference measurement; thermal voltage converter; operation time of relays; release time of relays;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A fast switching system for AC-DC transfer difference measurements is presented in this paper. The paper describes assembling process of fast switching system. The system consists of control unit and relay box, in which relays are placed. Also, whole system is developed in-house for the purpose of AC-DC transfer difference measurement. This measurement is one parameter within characterization of nine shunts (cage type design) in range from 1 mA up to 10 A. This measurement includes using thermal converters. Since, it is substantial to apply ac, dc+ and dc-voltage without interruptions. That means switching time must be smaller than thermal time constant of the thermal converters.
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页数：3
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