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.
决不能认为低压电没危险。
磁干扰亦会成为低压电路中的一个问题。
Magnetic interference can be a problem in low voltage circuits.
自动化是与我们的新国王低压电动调节。
Automation is King with our new Low Pressure Motorized Regulator.
固定低压电器时不应使电器受额外应力。
When fastening the apparatus, no extra stress should be added to it.
持有高低压电工证，高级电工证是优先的。
Holding license of Electricity low and high voltage, level senior license is preferred.
图1是除尘器高低压电气控制系统方框图。
Drawing 1 is bar chart of electro filter high-low voltage electrical control system.
是一家专业生产和出口低压电器的企业之一。
Is a professional producer and exporter of low voltage electrical business.
熟悉继电器、触器和空气短路器等低压电器产品。
Familiar with low-voltage electrical apparatus like relay, contact, air breaker, etc.
介绍了低压电器产品试验中选相合闸开关的应用。
The application of phase selection close switch in low voltage electrical apparatus test was introduced.
目的：介绍一种基于低压电力线通信的病房呼叫系统。
Objective To introduce ward calling system based on power line communication.
酒店中包括私人浴室、木质地板、供热系统以及低压电源。
The hotel, which can be set up in any place, provides a private bathroom, wooden flooring, a heating system and low voltage power supply.
一般采用低压电流互感器(CT)实现电流—电压转换。
Usually the current transducer (CT) is adopted to convert the current into voltage.
LAP是用于低压电气化项目技术和经济评估的软件工具。
LAP is a software tool for technical and economical evaluation of Low Voltage electrification projects.
低压电力线信道特性是设计低压电力线载波通信系统的基础。
The characteristics of power line channel are the foundation of designing the low voltage power line carrier communication system.
结果表明，该低压电力线扩谱通信系统具有较强的抗干扰能力。
The experiment results indicate that the system has rather strong anti-jamming ability.
方法对低压电击伤导致迟发性死者进行临床和病理学观察及分析。
Methods To observe and analyse a case of tardive death by means of clinical and pathological ways.
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.
首先，论文提出了一种基于低压电力线载波技术的总线式控制网络。
Firstly, this paper advanced a control system based on the low-voltage power line carrier.
利用现成的低压电力线组建家庭控制网络，具有方便、经济的优势。
The scheme that uses PLC to construct home control network is more convenient and economy.
低压电力系统中大量具有非线性特性的电力电子设备是产生谐波的主要原因。
A mass of power electronics equipments with nonlinear characteristic are the main source of harmonics in low-voltage power system.
负责零部件类产品的认证项目，产品包括低压电器，自动控制装置，小型电源等。
Be Responsible for the components products certification, products include low-voltage devices, automatic control devices, small power supply etc.
通过对低压电动机短路电流分析和计算，说明低压电动机短路的种类和保护方法。
By analysis and calculation for short circuit current of low voltage motor, kinds and protection methods of short circuit of the low voltage are explained.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
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