1、

The paper analyzes drawbacks of control system of blade coal feeders of Baoding Thermoelectric Plant. With transducer technique, PLC technique and low voltage power line carrier technique, we improve on controller unit for coal transmission system of Baoding Thermoelectric Plant.

本课题对保定热电厂叶轮给煤机控制系统状况进行了分析,采用变频调速、PLC可编程控制器编程、低压电力线载波技术对叶轮给煤机控制系统进行改造。

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2、

The high current, low voltage, reverse polarity, oxidative shielding gas, thick wire are the essential conditions of formation of the buried are, the high current being the most important factor.

大电流、低电压、粗焊丝、反极性和氧化性气氛是形成潜弧过程的必要条件,其中电流是最重要的条件。

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3、

The research work including constructing the whole frame and design these main composing: high voltage collecting terminal, low voltage collecting terminal, charge controlling terminal, supervising center and mobile electro-supervising terminal.

包括防窃电系统的整体构架以及系统的主要组成部分:高压采集终端、低压采集终端、负荷控制终端、监控中心和移动用电监管终端的设计。

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5、

According to the requirements of high speed punching machining, a new drive manner for a stepping motor, which is run under high voltage constant phase current chopping wave and low voltage locking is put forward and designed.

根据高速冲压加工的要求,本文提出了一种新型的步进电机驱动方式&高压斩波恒流运行、低压锁定驱动,并设计研制了该驱动电路。

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6、

Glass fibre reinforced unsaturated polyester BMC, a new thermoset plastics, has a wide use in low voltage electric appliances and automotive industry.

玻纤增强不饱和聚酯块状模塑料可广泛应用于低压电器和汽车工业等领域,属新型热固性材料。

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7、

Analyse about Low Voltage and Test on Low Voltage Load Reduce in Yuncheng Power Network

运城电网低电压分析及低压减载措施研究

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Technology of Reliability Test and Type Test on Low Voltage Apparatus

低压电器的可靠性试验与型式试验技术

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9、

Remote Management System of Low Voltage Distribution Based on Cordless Spread Spectrum Communication Technology

基于无线扩频技术的低压配电远程管理监测系统

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10、

Low Voltage Distribution of Technical Security Means and Electrical Safety

低压配电的技术安全手段与用电安全

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11、

Study on the Deformation Mechanism and the Technological Parameter of the Low Voltage Electromagnetic Riveting

低电压电磁铆接工艺参数及成形机理的研究

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12、

The Changes of Temperature Rise of Cabinet Caused by Fixing Models of Horizontal Bus Bars in Modular Low Voltage Switch Gear System Digital Integration and the Low Voltage Switch Set

低压抽出式配电柜水平母线布置方式对柜体钢结构件温升的影响数字集成化与低压成套开关设备

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13、

Electromagnetic Conformity Test Standard for Low Voltage Apparatus

适用于电器产品的电磁兼容性测试标准

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14、

This paper presents a technical review of material characteristics of different systems of ZnO low-voltage varistor ceramic, as well as a reexamination of low temperature sintering technologies used in the fabrication of low voltage ZnO varistor ceramic.

本文详细介绍了不同体系的ZnO低压压敏电阻材料特点及各自的局限性,并且对ZnO压敏电阻向低压化发展趋势下出现的材料低温烧结技术进行了评述。

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Based on bulk-driven and resistive subdivision techniques, an ultra-low voltage CMOS bandgap reference using second-order temperature and current feedback techniques is realized.

采用二阶温度补偿和电流反馈技术,设计实现了一种基于衬底驱动技术和电阻分压技术的超低压CMOS带隙基准电压源。

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17、

Working Electrolyte of Low Voltage Wide Temperature Range and High Frequency Electrolytic Capacitors

低压宽温高频铝电解电容器工作电解液

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18、

Temperature Rising Online Test System with Low Voltage and High Current Based on PLC

基于PLC的低压大电流温升在线测试系统

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19、

After site testing, low voltage customers electric data acquire system related technology can meet the running application requirements, and improved cost-effectiveness in economic increase.

经过现场检测,低压用户用电信息采集系统相关技术能够满足运行应用要求,在技术层次和经济效益方面均有较大提升。

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20、

Aimed at reducing distortion due to the threshold voltage variations of an NMOS switch, the paper introduces the design of a body effect compensated switch applicable to low voltage switched capacitor circuits.

为了减少NMOS开关阈值电压变化引起的信号失真,设计了一种适用于低压开关电容电路的体效应补偿开关,并利用该电路实现了一阶非反相开关电容(SC)低通滤波器。

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