在中性点非直接接地电网中，单相接地及由电压互感器(PT)引起的谐振过电压均是多发性的事故。
In ungrounded distribution system the single-phase-grounding and the ferro-resonance caused by the PT (Potential Transformer) are of the frequent accidents.
手车有断路器手车、电压互感器手车、电压互感器避雷器手车、所有变压器手车、隔离手车及接地手车七种。
There are circuit breaker handcart, voltage transformer handcart, voltage transformer arrester handcart, all transformers handcart, isolation and earthing trolley hand trolley.
本文概述了光学电压互感器的研究状况，并着重探讨了光学电压互感器实用化中存在的主要问题及今后的发展趋势。
This paper Outlines the research advances in optical voltage transformers, and discusses the main problems associated with practical optical voltage transformers and the study trends.
分析比较了电容式电压互感器和电子式电压互感器的特点及原理，提出一种新型的数码光纤电压互感器。
The principles and characteristics of capacitor potential transformer and electronic potential transformer are analyzed and compared. A new digital optical fibre potential transformer is presented.
对电容式电压互感器二次无电压输出故障的检查方法、电气试验及判断作了说明。
The paper presents the inspection method of the non - voltage in secondary side output fault, the electrical test and the judgment of the capacitor voltage transformer.
对电容式电压互感器二次无电压输出故障的检查方法、电气试验及判断作了说明。
The paper presents the inspection method of the non - voltage in secondary side output fault, the electrical test and the judgment of the capacitor voltage transformer.
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