查询词典 high voltage

However, since high-fiber makes transmission insulated between the high-voltage and low-voltage, there isn't any electromagnetic contact between the high-voltage and low-voltage. So, how to supply power for high-voltage circuits become pivotal technology, which is difficulty in research technology.

但由于采用光纤传输使高低压绝缘隔离，高低压之间没有任何电磁联系，因此如何向有源ECT高压侧电路供电就成为一项关键的技术，是研制中的技术难点。

Rapid transient electromagnetic pulse generated by impulse voltage discharge may cause serious interference to high voltage measurement, cause disoperation or damage to experimental equipment, and also may cause potential harm to person on-site. Similar question exist in many high voltage laboratories, and it is an important research subject of high voltage measurement. Electromagnetic interference generated by impulse voltage discharge is the most serious interference in high voltage test hall.

冲击电压放电产生的快速暂态电磁脉冲可能对高压测量造成很大的干扰，引起设备的误动或损坏，也可能对人身造成潜在的危害，类似的问题在许多高电压实验室均存在，是高电压测试技术中的一个重要研究课题，冲击电压放电产生的电磁干扰是高电压试验大厅设备中最严重的，随着电子测量控制设备和高参数试验设备的日益增多，这个问题在高电压实验室已经十分突出。

The Company mainly operates and acts as the agent for the following products including:frequency conversion cabinet,frequency converter,soft starter,automated control system,series of low-voltage circuit breaker,contactor,control relay,protective relay,knife switch,isolating switch,capacitor,dual power switching unit,low-voltage mutual inductor,low-voltage fuse,high-voltage vacuum circuit breaker,high-voltage mutual inductor,high-voltage load switch,high-voltage fuse,microcomputer integrated protection device and components and parts including automatic control products, Lights,button,terminal,electric meters and electromechanical products including pump,valve fan,motor,voltage transformer,wires and cables.

公司主要经营及代理的产品有：变频柜、变频器、软启动器、自动化控制系列及系列低压断路器、接器、控制继电器、保护继电器、刀开关、隔离开关、电容器、双电源切换装置、高压真空断路器、高低压互感器、高压负荷开关、高低压熔断器、微机综合保护装置及自动化控制产品、信号灯、按钮、端子、电度表等元器件及水泵、阀门、风机、电机、变压器、电线电缆等机电产品约1000多个品种、20000余种常用规格。

The Company mainly operates and acts asthe agent for the following products including:frequency conversioncabinet,frequency converter,soft starter,automated controlsystem,series of low-voltage circuit breaker,contactor,controlrelay,protective relay,knife switch,isolating switch,capacitor,dualpower switching unit,low-voltage mutual inductor,low-voltagefuse,high-voltage vacuum circuit breaker,high-voltage mutualinductor,high-voltage load switch,high-voltage fuse,microcomputerintegrated protection device and components and parts includingautomatic control products, Lights,button,terminal,electric metersand electromechanical products including pump,valvefan,motor,voltage transformer,wires and cables.

公司主要经营及代理的产品有：变频柜、变频器、软启动器、自动化控制系列及系列低压断路器、接器、控制继电器、保护继电器、刀开关、隔离开关、电容器、双电源切换装置、高压真空断路器、高低压互感器、高压负荷开关、高低压熔断器、微机综合保护装置及自动化控制产品、信号灯、按钮、端子、电度表等元器件及水泵、阀门、风机、电机、变压器、电线电缆等机电产品约1000多个品种、20000余种常用规格。

The anode structure of CI-LIGBT is optimized by numerical simulation, and it is pointed out that segmented p〓 anode region surrounded by n〓 anode region is the key to improve the ability of current limiting, and the more deeper the n〓 anode junction relative to the p〓 anode junction, the more powerful the ability of current limiting is. The affection of the breakdown voltage BV〓 of the reverse biased p〓n〓 junction and the sample resistance upon the latching current, the latching voltage and the on-state voltage have been studied, and it is indicated that the tradeoff between the on-state voltage and the latching characteristics is the excellentest when BV〓 is 1. 1V so that its on-state voltage can be just only 0.6V higher than conventional LIGBT. It is also found that this device is especially suit to high temperature environment. Based on X. B. Chen's surface voltage sustaining structure using optimized variational lateral doping and Ludikhuize's multiple floating rings structure, high voltage LIGBT and is studied in this paper.

通过数值模拟，优化了CI-LIGBT的阳极区结构，指出采用被n〓阳极区包围的单元状p〓阳极区是提高该器件限流能力的关键，而n〓阳极区结深相对p〓阳极区结深越大，器件的限流能力越强；分析了反偏p〓n〓结击穿电压BV〓和取样电阻对器件闩锁电压、闩锁电流和导通压降的影响，得出BV〓在1.1V时器件导通压降和抗闩锁能力间的折衷关系最优，其导通压降仅比普通LIGBT高0.6V；分析了温度对LIGBT闩锁性能的影响，表明CI-LIGBT即使在450K的高温下也不会闩锁，尤其适用于高温工作环境。

A semiconductor device including a high voltage element and a low voltage element, including: a semiconductor substrate having high voltage element region where the high voltage element is formed, and a low voltage element region where the low voltage element is formed; a first LOCOS isolation structure disposed in the high voltage element region; and a second LOCOS isolation structure disposed in the low voltage element region, wherein the first LOCOS isolation structure includes a LOCOS oxide film formed on a surface of the semiconductor substrate and a CVD oxide film formed on the LOCOS oxide film, and the second LOCOS isolation structure includes a LOCOS oxide film.

提供一种在确保高耐压元件的高耐压特性的同时使高耐压元件和低耐压元件具有良好特性的半导体装置。具有高耐压元件和低耐压元件的半导体装置包含：规定了形成高耐压元件的高耐压元件区和形成低耐压元件的低耐压元件区的半导体衬底；在该高耐压元件区设置的第一LOCOS隔离结构；以及在该低耐压元件区设置的第二LOCOS隔离结构。第一LOCOS隔离结构由在该半导体衬底的表面上形成的LOCOS氧化膜和其上形成的CVD氧化膜构成，第二LOCOS隔离结构由LOCOS氧化膜构成。

The main products TQSW no local place-frequency electrical impulse voltage testing transformer test sets of series resonant frequency generator unit test transformer dry-type high-voltage testing transformer the ball-gap discharge frequency divider DC High-frequency DC generator, generator, inverter-current multi-function grounding impedance test system-current generator (up-flow device) performance of an integrated test bed Transformer Partial Discharge Detector mechanical properties of high-voltage switches Vacuum Tester Tester Tester Loop Resistance transformer capacity Tester-Load Switching Test Transformer tumor resistance measurement Transformer turns ratio tester tester MOA group tester insulating oil dielectric strength tester transformer loss parameter Intelligent Tester transformer loss-line parameter tester frequency interference dielectric loss dielectric loss tester anti-interference relay tester Ground Yin Xiaxian conduction tester cable fault tester tester tester generator rotor impedance large Grounding Resistance Tester Tester transformer features an integrated micro-moisture meter aperture automatic flash point tester Automatic Closed flash point detector vacuum oil filter boots pressure test device (automatic, semi-automatic) nuclear phase Instrument Series wireless digital core Instrument security tools relative to the mechanical properties testing machine clamp grounding resistance of grounding resistance measuring instrument digital megger digital high-voltage insulation resistance tester and a scalable high-altitude test tools, digital dual-phase volt-ampere facade sequence table clamp Three-phase Power Parameters Tester Calibrator lightning strike counter dedicated test wire, clamping insulation boards, pipe, cable tray mats polyimide film conductor line busbar electric appliances

扬州市苏博电气有限公司扬州市苏博电气有限公司主要产品有TQSW无局部放电工频试验变压器冲击电压发生器变频串联谐振试验成套装置试验变压器干式试验变压器高压分压器放电球隙中频直流发生器高频直流发生器变频大电流多功能接地阻抗测试系统大电流发生器变压器性能综合测试台局部放电检测仪高压开关机械特性测试仪真空度测试仪回路电阻测试仪变压器容量测试仪变压器有载开关测试仪变压器肿瘤电阻测试仪变压器变比组别测试仪氧化锌避雷器测试仪绝缘油介电强度测试仪变压器损耗参数智能测试仪变压器损耗线路参数综合测试仪变频抗干扰介质损耗测试仪抗干扰介质损耗测试仪继电保护测试仪接地引下线导通测试仪电缆故障测试仪发电机转子交流阻抗测试仪大型地网接地电阻测试仪互感器特性综合测试仪微量水分测定仪开口闪点全自动测定仪闭口闪点全自动测定仪真空滤油机绝缘靴耐压试验装置核相仪系列无线数字核相仪安全工具力学性能试验机钳形接地电阻仪接地电阻测量仪数字兆欧表数字高压绝缘电阻测试仪可伸缩高空测试工具数字双钳相位伏安表相序表三相电力参数测试仪雷击计数器校验仪专用测试导线，钳绝缘板，管，垫聚酰亚胺薄膜电缆桥架滑触线母线槽电热电器

Secondly, whole-chip ESD protection net is put forward. Input protection circuits, output protection circuits and circuits between high-voltage ground and low-voltage ground are decided on the base of structure and process of PDP drive chip. Moreover, the design of low-voltage VDD-to-VSS ESD protection circuits is detailed and the circuit is simulated with HSpice. Finally, the characteristic of high-voltage device after avalanche breakdown is simulated and analyzed with Tuprem-4 and MEDICI, and it is concluded that high-voltage device can stand high voltage and large current, so the low-voltage VDD-to-VSS ESD protection circuits can be applied to high-voltage VDD-to-VSS ESD protection.

随后提出PDP驱动芯片全芯片ESD保护网络的方案，并根据PDP驱动芯片的结构和制造工艺，介绍了输入部分、输出部分及高低压接口部分的ESD保护电路，然后重点分析了低压电源和地之间ESD保护电路的设计并用Hspice进行了模拟，最后使用Tuprem-4和MEDICI模拟了高压器件在雪崩击穿之后的电压电流和电场分布特性，得出高压器件本身可以承受一定的ESD脉冲，从而将低压电源和地之间的ESD保护电路应用到高压电源和地之间。

Ningbo Tongda Electric Apparatus Switches Factory is specialized in the production of high and low voltage switch equipment. The main products are 3-35KV high voltage switch cabinet, various kinds of low voltage switch cabinet, 10-35KV high voltage elements, SMC insulation panel and structure components and components of various kinds of elevator and automatic staircase. The factory cooperated with Xian High Voltage Electric Apparatus Institute and is the first factory in China who uses SMC material in High Voltage Electric Apparatus. Sn10-35 oil circuit breaker won the Third Prize of Science Promotion Reward.

宁波通达电器开关厂是专业生产高低压开关设备的厂家，主要产品有3-35KV高压开关柜、各种低压开关柜、10-35KV级高压元件，SMC压制绝缘板和结构件、各种升降梯自动扶梯配件。1987年与西安高压电品研究所合作，是全国首家在高压电器上采用SMC材料，如SN10-35少油断路器灭弧片，荣获部级科技进步三等奖。

Because of its fast and flexible controllability, the voltage source converter based high voltage direct current will be widely applied in power systems, so it is of practical significance to study the dynamic performance of VSC-HVDC in complicated power grids. The quasi steady state response of flexible HVDC system can be simulated in power system simulation software PSS/E.

柔性直流输电系统(voltage sourced converters high voltage direct current，VSC-HVDC)因其快速灵活的可控性在电力工业中将有越来越广泛的应用，研究其在复杂电力网络中的动态性能具有工程实际意义，应用电力系统仿真软件PSS/E可模拟柔性直流输电的准稳态响应。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！