探讨了低压电网控制系统的技术基础。
The basic technology of LV electric network control systems was investigated.
介绍了煤矿井下采区低压电网电压损失的计算方法。
The voltage loss calculating method of the low voltage electrified wire netting at ground mining area is introduced.
本文为低压电网高速通信的研究提供了一般性思路。
This paper presents general research contents of communication over low voltage power networks.
针对无源滤波器的缺陷，提出了一种低压电网无源滤波器改造方案。
Considering limitations of the passive power filter (PPF), a reform method of PPF for low voltage power grid was presented.
微网是一种可将各种小型分布式电源组合起来为当地负荷提供电能的低压电网。
A MicroGrid is a low voltage network with different micro generators (micro sources) and loads operating to supply electric power for the local area.
开放式县级电网调度自动化系统是面向地调、县调、集控中心的低压电网调度自动化系统。
This is a new type automatic scheduling system facing to zone scheduling, county scheduling and the center of control.
文中分析了影响电网功率因数的主要因素、低压电网无功补偿的常用方法及无功补偿的效益。
This article explains main factors to influence power factor in electrical network, common methods of reactive compensation in low voltage network, and the benefits of reactive compensation.
介绍低压电网的信道模型，提出一种基于扩频载波技术的线缆调制解调器的设计思想及其构成。
This paper discusses the channel model of low voltage electricity networks and provides a design idea and the construction of cable modem which using spread spectrum carrier technology.
建立了适用于县级供电企业配电网及低压电网的理论线损计算模型，并且给出模型的计算方法。
A new theoretical power loss simulation modal used in low-voltage network has been proposed and corresponding calculation method has been developed.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
当前低压电网无功不平衡的现象日趋严重，这不仅影响了用电设备的运行效率，而且还影响其安全运行。
At present, the reactive power imbalance of low-voltage power network is more and more serious. It not only affects the operating efficiency of equipments, but also the safe operation.
在中低压电网中，PT断线、单相接地及由PT饱和引起的铁磁谐振均是多发性的故障，这些故障都能使电压异常。
PT breaking and ferro-resonance caused by single-phase grounding and PT saturation are common faults in medium-low voltage power networks, which make voltage abnormal.
接下来是本文的重点——提出了农村低压电网分布式电能质量监测系统的规划方案，并分别从总体设计、硬件、数据管理、通讯方式进行了阐述。
Find a PQM system which is suit to this paper after using for some references, as well as introduce it's hardware and data management.
智能断路器作为智能电网中的基础部件，一直是近几年来低压电器领域的热门研究课题。
As the basis of smart grid components, intelligent circuit breaker became a hot research topic in the field of low voltage electrical recent years.
最后给出了不接地电网中低压电器的选择。
Finally, the selection of LV electrical apparatus in non grounded electrical network was given.
最后给出了不接地电网中低压电器的选择。
Finally, the selection of LV electrical apparatus in non grounded electrical network was given.
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