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- The frequency, amplitude and harmonic component of the voltage of power networks are time-variant.They have great effect on the measurement precision at the phasor in power networks. 摘要电网电压的频率、幅值和谐波含量均随时间发生变化,它们严重影响着电网相量的测量精度。
- Please mark the wording of power network disturbance on the plot. 请在图上标明电网干扰字样。
- voltage of power network 网压
- The voltage of power supply suitable for the recorder is 7.5 volts . 适用于这台录音机的电源电压为7.;5伏。
- The voltage of power supply suitaBle for the recorder is 9 volts. 适用于这台录音机的电源电压为9 伏。
- The voltage of power supply suitable for the recorder is 7.5 volts. 适用于这台录音机的电源电压为7.;5伏。
- Zhang Wenliang,Wu Weining,Hu Yi.Research on UHV transmission technology and development of power network in China[J].High Voltage Engineering,2003,29(9):16-18(in Chinese). [3]张文亮;吴维宁;胡毅.;特高压输电技术的研究与我国电网的发展[J]
- The inductive voltage of the thunder and lightning and the produced disturbance voltage when the inductive load turns on or is separated from the power network is main disturbance pulse voltage. 摘要雷电感应电压和感性负载接入或脱离电源电路时所产生的干扰电压是电源网主要的干扰脉冲电压。
- The instable voltage of power grid shortens the service life of street lamps. 电网供电电压不稳定,致使路灯的使用寿命缩短。
- The voltage of power supply is different depending on the country. Please buy an AC power adaptor in the country/region where the radio is to be used. 因为各国的电压不同,故须在收听广播的国家/地区采购适于当地电压的AC电源转接器使用。
- Discussion on the Development of Power Network Dispatching Automation System in Benxi Iron and Steel Co. 本钢电网调度自动化系统发展趋势探讨。
- Better management of the automatic reconnect to the servers in case of power network. 更好地管理自动重新连接到服务器的情况下的电力网络。
- However,some problems related to utilization of land resources obstruct the development of power network. 但电网规划与建设中仍存在着一些与土地资源利用相关的问题,阻碍了电网的发展。
- In this paper a device based on 8098 single chip processor(SCP)is introduced. It ca n be usedto control the reactive power and voltage of power sys-tems. 本文介绍了一种由8098单片机构成的无功/电压补偿自动装置的原理及软硬件结构。
- The interconnections of regional power network make the operation of power system more economically. 区域电网的互联能使电力系统更加经济地运行。
- Because I want to handle workbench power source or 9V batteries, so voltage of this kind of power source is met burn down circuit board the circuit of all 3.3V logic that go up. 因为我想操作工作台电源或者 9V 电池,所以这种电源电压会销毁电路板上的所有 3.;3V 逻辑电路。
- The range of power supply voltage of this chip is relatively wide (2.7V comes 12V) , accordingly most apply to 3.3V, 5V to reach + / - the system of 5V. 这款芯片的供电电压规模较为宽敞宽大旷达(2.;7V至12V),是以最合用于3
- The media have a lot of power today. 现在大众传播媒介有很大的力量。
- Powerformer, which is a new kind of power equipment and can be connected to power network directly, is introduced in this paper. 能量变换器是一种新兴的发电装置,可以直接与电网相连。
- The paper discusses the present state of lighting protection of power network in Xianning, existing problems, reasons of trip and according treatment. 摘要论述了咸宁电网防雷的现状及存在的问题,跳闸原因分析及治理情况。