ungrounded

Fault Analysis and Its Precautionary Measures for Electromagnetic Voltage Transformer in Ungrounded System

电磁式电压互感器在不接地系统中的故障简析及防止措施

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Two-phase winding, three-wire connection, ungrounded or grounded.

两相绕组, 三线连接, 接地或不接地.

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Three-phase winding, zigzag connection. Ungrounded or grounded can be specified.

三相之字绕组,之字连接. 可指定不接地或接地.

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This paper introduces a novel circuit fault limiter applicable to the three-phase ungrounded power systems.

介绍了一种适用于三相不接地系统的短路故障限流器.

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By MATLAB, the transient process of TV in ungrounded power system is simulated, both in normal service or in some kinds of grounding fault conditions. This paper discusses the magnetizing inrush current flowing through TV and the abnormal overvoltage of opened delta-winding.

用MATLAB软件仿真研究了中性点不接地系统中电磁式电压互感器在系统正常和接地故障运行的全过程，分析了TV励磁涌流造成熔丝熔断的规律性及开口三角绕组电压异常的原因。

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Three-phase winding, four-wire connection. Ungrounded or grounded can be specified.

三相 绕组, 四线连接. 可指定不接地或接地.

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in an ungrounded state, it is impossible to integrate new information from one's soul, oversoul and source.

在一个不根植的状态中，你就不可能从灵魂、超灵和源头来整合新信息。

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Three-phase three-wire winding, delta or meshed connection, ungrounded or grounded.

三相 三线绕组, 三角形或网状连接, 接地或不接地.

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For an ungrounded neutral low voltage power system in mine, its insulance ( r), capacitance ( C) and leakage resistance ( R) to the ground are three important parameters in determining the zero sequence voltage.

对于中性点不接地的矿井低压电网，其对地绝缘电阻r，电容C和漏电电阻R，是决定零序电压的3个重要参数。

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Two-phase winding, four-wire connection, ungrounded or grounded.

两相绕组, 四线连接, 接地或不接地.

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China's distribution systems are almost ungrounded or grounded via arc-suppression coil.

我国配电网大多采用中性点不接地或经消弧线圈接地(即小电流接地)的运行方式.

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analysis on resonant overvoltage due to line-broken fault in the ungrounded system

断线故障引发铁磁谐振的验算分析

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Six-phase winding, double star connection, ungrounded or grounded.

六相绕组, 双星形连接, 接地或不接地.

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Three-phase winding, zigzag connection, ungrounded or grounded.

三相 绕组, 之字连接, 接地或不接地.

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The Dividing Frequency Resonance and Damping Measure in Ungrounded Network& A Simulating Calculation of Networks by Means of EMTP

中性点不接地网络的分频谐振与消谐措施&用EMTP对网络的模拟计算

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Six-phase winding, double star connection. Ungrounded or grounded can be specified.

六相绕组, 双星形连接. 可指定不接地或接地.

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Three-phase three-wire winding, delta or meshed connection. Ungrounded or grounded can be specified.

三相 三线绕组, 三角形或网状连接. 可指定不接地或接地.

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Distribution voltage class capacitor banks can be connected in grounded wyes, ungrounded wyes or delta. triangular finishing pass

配电电压等级的电容器组可接成接地Y形、不接地Y型或△。（Y形轧机的）三角精轧孔型

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China's distribution systems are almost ungrounded or grounded via the arc-suppression coil.

我国中低压配电网一般都是中性点不接地或者经消弧线圈接地的辐射网.

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Three-phase winding, 4-wire delta connection, ungrounded or grounded.

三相 绕组, 四线三角形连接, 接地或不接地.

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Drag onto the page, then right-click to specify grounded or ungrounded.

拖到绘图页上, 然后右击可指定接地或不接地.

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However, TNCs'about the risk of investment protectionism is not ungrounded.

然而, 贸发会议对于投资保护主义的担忧并不是毫无理由的.

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In ungrounded systems, PT saturation result in ferroresonance is a appear frequently and work accident sort of inner overvoltage.

在中性点不接地电网中，由于电磁式电压互感器（以下简称PT）饱和而引起的铁磁谐振是出现最频繁、造成事故最多的一种内过电压。

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Three-phase winding, open delta connection. Ungrounded or grounded can be specified.

三相 绕组, 开式三角形连接. 可指定不接地或接地.

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Two-phase winding, three-wire connection. Ungrounded or grounded can be specified.

两相绕组, 三线连接. 可指定不接地或接地.

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It is difficult fo select wire when there be single phase grounded fault in neutral point ungrounded system.

中性点不接地系统发生单相接地故障时，信号微弱，不易选线，对于谐振接地系统选线更加困难。

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Two-phase winding, four-wire connection. Ungrounded or grounded can be specified.

两相绕组, 四线连接. 可指定不接地或接地.

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When there are system failures or lightnings, high-magnitude overvoltages will occur on these ungrounded neutrals.

当系统发生故障或者雷电波入侵时, 这些不接地变压器中性点上会出现幅值较高的过电压.

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Three-phase winding, four-wire connection, ungrounded or grounded.

三相 绕组, 四线连接, 接地或不接地.

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Three-phase winding, 4-wire delta connection. Ungrounded or grounded can be specified.

三相 绕组, 四线三角形连接. 可指定不接地或接地.

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