Whether or not check the supply voltage and rated voltage line can not be above or below 10% of rated voltage on the use of power.
检查电源电压是否与额定电压相符，不能在超过或低于额定电压10%的电源上使用。
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。
The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
该文分析了低压电力线信道特性，利用信道慢时变的特点提出一种适合于电力线信道的判决反馈信道估计方法。
Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.
在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
Even scientists who have failed to find a reason for the apparent link refuse to say it is safe to live near a high-voltage power line.
即便是没有找到明显致病证据的科学家也拒绝声明住在高压线附近是安全的。
Ultra-high voltage transmission line will be the main frame of power network in China.
交流特高压输电线路是我国未来统一电网的骨架。
A deer fawn apparently dropped by a bald eagle onto a high-voltage line was behind a power outage this week in western Montana, a Northwestern Energy official said.
一头显然被白头鹰掉在一条高压电线的幼鹿是本周西蒙大拿州停电的原因，西北能源公司一名职员指出。
Applying feedforward control of harmonic voltage to hybrid active power filter of finite harmonic impedance can restrain line harmonic voltage.
有限阻抗型混合有源电力滤波器中应用电压谐波前馈控制，能加强对网侧电压的谐波抑制。
These include two mid-voltage power cables production lines and one high-voltage power cables production line, which are targeted for installation by 3Q2011.
其中包括两个中压电缆生产线和一个高压电缆生产线，预计于2011年第3季度完工。
The paper lists power switches, specifications of power supply line and power supply distance under specified voltage loss for commonly-used elevators.
对常用的几种电梯列表给出电源开关、供电线路规格和在规定的电压损失下的供电距离。
The paper is about the hardware circuit & working principle of meter based on the low voltage power line carrier.
本文给出了一个基于低压电力线载波技术的电参数测量仪的硬件系统。
Voltage provided to a ballast by a power line or power supply.
由电源或输电线输入到包括镇流器的电压。
Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.
大型电力变压器的局部放电在线监测技术是高电压绝缘检测与诊断领域研究的热门课题。
There already have some outcomes in studies of on-line monitoring of the running condition and the insulation condition of the high voltage equipments in power system.
电力高压设备运行状态在线监测和绝缘状态在线监测的研究在电力系统中已经取得一定的研究成果。
On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
电力变压器局部放电在线监测是当前高电压绝缘检测与诊断领域研究的热点课题。
The characteristics of power line channel are the foundation of designing the low voltage power line carrier communication system.
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。
While transmitting the load power, the high-voltage transmission line consumes the active power of its own, and absorbs or outputs the reactive power, which affects the power factor significantly.
高压输电线路在输送负荷功率的同时自身也消耗有功功率、吸收或输出无功功率，线路无功会对功率因数产生很大影响。
The power supply voltage line includes an edge part formed in an obtuse Angle.
电源电压线包括形成钝角的边缘部分。
Power source. Pneumatic, low voltage or line voltage can be specified.
电源。可以指定气动、低压或线压。
Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.
输电线路电流保护和电压保护分别作为电力系统保护原理和手段之一，是十分重要的保护类型。
This added voltage is mainly power line frequency and its effect on the voltmeter reading will depend upon the normal-mode rejection capability of the meter.
这个相加的电压主要为电源频率的信号，其对于电压表读数的影响决定于电压表的串模抑制能力。
The system requires two improvements: (1) the ability to counter the severe communication condition of low-voltage power line and (2) the ability to transmit music signal.
系统还需要在两个方面进行改进：(1)抵抗低压电力线恶劣通信状况的能力；(2)适合于音乐信号的传送。
When reactive power is unbalance, it will cause some problems, such as lower voltage, worsen voltage quality, lower power factor and increase line loss.
当无功功率不平衡时，将会导致系统电压降低、电能质量下降、功率因数降低、线损增加等问题。
The existing condition of low-voltage power supply system of mine underground was analyzed, in view of the existing problems of low-voltage power supply line, the improvement scheme was proposed.
分析了矿山井下低压供电系统的现状，针对低压供电线路存在的问题提出了改进方案。
Therefore, there is a wide foreground for the study and application of low-voltage power line communication technology.
因此，研究、开发和应用低压电力线载波通信技术具有非常重大的意义和十分广阔的前景。
To reduce the inductive voltage, shield cable is proposed, or connecting parallel capacitor to power-supply line temporarily.
为降低感应电压，提出了铺设屏蔽电缆或暂时在电源母线上并联电容器的解决方案。
Through this paper, the low-voltage power line network and channel characteristics are researched. The noise and attenuation characteristics of power line channel are measured and analyzed.
本文首先分析了低压电力线网络的特点及信道特性，对电力线信道的噪声和复衰减特性分别进行了测量及分析。
Through this paper, the low-voltage power line network and channel characteristics are researched. The noise and attenuation characteristics of power line channel are measured and analyzed.
本文首先分析了低压电力线网络的特点及信道特性，对电力线信道的噪声和复衰减特性分别进行了测量及分析。
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