带隔离中性点的三相电网中单相接地故障电流的测定方法

2019 6th International Conference on Electrical and Electronics Engineering (ICEEE) Pub Date : 2019-04-01 DOI:10.1109/ICEEE2019.2019.00012

B. Utegulov

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引用次数: 0

摘要

提出了一种在电压高达1000v的隔离中性点网络中确定单相接地故障电流的方法。这种方法是基于测量线路电压的值，当附加的电容电导率连接在网络的一个相和地之间时，相电压。误差分析表明，该方法在确定单相接地故障电流方面具有满意的精度，并且在现有电压高达1000v的电气装置中工作简单、安全。

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Method for Determining the Single-Phase Ground Fault Current in a Three-Phase Electrical Network with an Isolated Neutral

A method for determining the single-phase ground fault current in an isolated neutral network with a voltage of up to 1000 V is proposed. This method is based on measuring the values of the line voltage, phase voltages when additional capacitive conductivity connected between one of network's phases and ground. The error analysis showed that the developed method provides satisfactory accuracy in determining the single-phase ground fault current, as well as the simplicity and safety of work in existing electrical installations with voltages up to 1000 V.

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来源期刊

2019 6th International Conference on Electrical and Electronics Engineering (ICEEE)

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