查询词典 inverter

This paper presents a full digital control system for pulsed gas metal arc welding inverter.

设计并实现了脉冲焊电流和弧长的全数字控制，取得了良好的控制性能。

Normal plant production, have fixed customers (Zhangjiagang, Jiangsu Guotai International Group), etc., well-equipped: spinning a gill box, B465A Roving Machine (6 into a new, normal activities), three new computer inverter control roller flower Twisting Machine type two simple machine is not only easy to adjust and make the roller continuously variable, and can set a variety of flower-type random combinations of process parameters.

工厂目前正常生产中，有固定客户（江苏张家港国泰国际集团）等，设备齐全：前纺针梳机一套、B465A粗纱机（6成新、正常活动中）、新式电脑变频控制三罗拉花式捻线机两台（操作简易，不仅便于机台的调整，并且使各罗拉无级变速，而且可以随机设定各种花型组合工艺参数。

Square-wave passive standby UPS based on MCU is presented. There are some functions of the system: realizing the uninterruptible power supply according to following the track of grid and changing grid and inverter in phase when grid is abnormal; advanced battery management; communication and supervision with PC. The principle of the system is analyzed.

研究了一种单片机控制的单相方波输出后备式UPS，该系统实现了在市电不同状态下，系统逆变输出与市电的同相切换，实现了对设备的不间断供电；实现了对蓄电池的智能管理；可以与 PC机进行通讯，便于用户监控等功能。

Currently, it has three major product lines : for various switching power supply UPS and generators aging / test power-saving electronic feedback load; for solar and wind energy to generate electricity grid inverter; for battery production / test saving battery charging and discharging equipment.

目前已形成三大产品系列：用于各种开关电源、UPS及发电机老化/测试的电能回馈型节能电子负载；用于太阳能及风能发电的并网逆变器；用于蓄电池生产/测试的节能型蓄电池充放电设备。

According to the different grid voltage in many countries, a novel multiple output grid-connected inverter is proposed based on DSP control.

针对世界各国电网电压规格种类较多的情况，提出一种基于DSP控制的可输出多个国家电网电压规格的并网逆变器。

Three-level NPC inverter has been put into practical use for years especially in high voltage high power grid.

在高压大容量系统中，二极管钳位型三电平变换器得到了广泛的应用。

This paper has introduced the characteristic of commonly used several kind of high-voltage frequency inverter at present.

摘 要：介绍了目前常用的几种高压变频器特性进行了对比分析。

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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

Based on this, we analyzed the no-load model of DFIG (doubly-fed induction generator), rectifying control model and grid-connection control of inverter, and set up the whole connecting system.

研究双馈电机的空载模型、变频器的整流控制模型和并网控制模型，建立整个并网发电系统，并通过完整的仿真验证系统建模与控制的有效性。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。