The paper discusses the low-voltage distribution system earthing and the neutral protection.
现对低压配电系统接地和接零保护进行简要论述。
The paper presents selectivity coordination of levels and sorts protection in low voltage distribution system.
系统阐述了低压配电系统中各级各类保护之间的选择性配合。
In the low-voltage distribution system the risk, if poorly designed or not properly selected, it will cause accidents and loss.
在低压配电系统中，如果设计、选择不当，就会造成事故和损失。
An unified matrix algorithm for reliability evaluation for complex medium-voltage distribution system based on feeder partition is discussed.
提出一种基于馈线分区的复杂中压配电网可靠性评估的统一矩阵算法。
According to the characters of mid-voltage distribution system, the adjacency list of data structure is introduced to save its topology structure.
根据中压配电网的结构特点引入数据结构中邻接表来保存配电网拓扑结构。
Considering the practical engineering of Guangzhou Metro Line 3 and Line 4, the intelligent low voltage distribution system is briefly introduced.
结合广州地铁3、4号线工程实例，介绍智能低压系统的设计和应用。
Based on the low-voltage distribution system or load compensation for industry, the aim of the thesis is to study the SVG that adopts direct-current control.
本文的研究目的是立足于低压配电系统或工业负荷补偿，且控制方法采用直接电流控制的静止无功发生器的研究。
The problems existing in grounding protection of low voltage distribution system in petrochemical enterprise are pointed out together with their harmfulness.
指出石化企业低压配电系统接地故障保护存在问题及其危害性，并做实例分析，提出了解决措施。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in low voltage distribution system, which brings a series of problems on power grid.
在电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in middle and low voltage distribution system, whi ch brings a series of problems on power grid.
在中低压配电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
This thesis mainly focuses on the study of optimal controlling strategy of the on-load tap-changing transformers and shunt capacitors in high and medium voltage distribution system.
本文重点研究了高中压配电网有载调压变压器和并联电容器的优化控制问题。
By analyzing the effects of touch voltage and equipotential bonding on low voltage distribution system, makes clear the importance and necessity of equipotential bonding on design and construction.
通过对接触电压、等电位联结在低压配电系统中作用的分析，进一步明确等电位联结在设计、施工中的重要性及必要性。
Abstract: : the substation is in power system voltage conversion, accept and electric power distribution, control and adjustment to the current voltage power facilities.
摘要：变电站是电力系统中转换电压、接受和分配电能、控制电流走向和调整电压的电力设施。
High Voltage Transmission and Distribution, City Power Supply, Line Tower, Transformer Shell, High Voltage Switchboard and link system.
高压输配电、城市供电、线路的铁塔、变压器罩壳，高压开关柜及连接系统。
This paper presents a new method to obtain the sum of random harmonic vectors (voltage or current) whose phases have different probability distribution functions in a power system.
提出了一种处理电力系统中具有不同相角分布时随机谐波矢量(电压和电流)的求和问题的新方法。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图，因而依此建立的节点电压方程为代数方程。
There had close relation between voltage adjustment and reactive power distribution in ship power system.
船舶电力系统的电压调节和无功功率分配密切相关。
The control and protection switching electric appliance (CPS) is a sort of New-style multifunction and integration component design to low-voltage distribution and control system.
控制与保护开关电器(CPS)是一种新型的用于低压配电与控制系统的多功能、一体化基础元件。
With the lower noise budget to lower the voltage, the power distribution system for a significant improvement is needed.
噪声的预算也随着更低的电压而降低，同时还需要对电源分布系统进行很大的改进。
Analysis of voltage sags in distribution system.
配电系统电压跌落问题的分析。
When distribution system voltage drops, dynamic voltage restorer (DVR) can maintain the sensitive load side voltage stability.
配电系统电压跌落时，动态电压调节器可以维持敏感性设备的电压稳定。
Results from economic analysis and case simulations show that using this approach the transient voltage quality level in distribution system can be evidently improved without cost increase.
经济性分析和算例结果表明，该方案在不增加成本的前提下大大提高了配电系统的暂态电压质量。
The surge load of Synchronous Radiation Fitting(SRF) power supply system may cause voltage fluctuation of distribution network.
同步辐射装置（SRF）供电系统的冲击负荷会引起配电网络电压波动。
Substation is a combination of power system equipment, through its power to transmission, distribution, each side, the voltage conversion.
变电站是电力系统的一套组合设备，通过它电能得以输送，分配，互边，电压转换等。
It is the only way to solve above problems that the earth leakage circuit breaker of time lag action and the distribution protection are adopted in low voltage supply system.
在低压供电系统内采用延时动作的漏电保护开关和分级保护技术，是解决上述问题的唯一途径。
Main duties of relay protection are correctly and quickly judging and clearing system faults, which greatly derive voltage sags in a distribution system.
系统中大部分电压跌落由故障引起，快速可靠地判断并切除故障是继电保护的主要职责。
Combining with some power distribution project of small and middle theatre, the main load, the composition of power distribution system and low voltage power distribution system were introduced.
结合某中小型剧场的配电工程项目，对配电中的主要负荷、配电系统的组成及低压配电系统进行了介绍。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略，根据DSTATCOM系统中的瞬时功率平衡理论，推导出了DSTATCOM用于控制电压时的直接电压控制策略。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
随着配电系统负荷日益增长，无功需求也相应增加，配电线路广泛采用并联电容器来满足无功需求。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
随着配电系统负荷日益增长，无功需求也相应增加，配电线路广泛采用并联电容器来满足无功需求。
应用推荐