限流器

Two LVRT methods are compared in this dissertation. One is to use VSC valve with larger current capacity, and the other is to use reference current limiter in control system.

对VSC阀在交流电网低电压故障下的过流现象进行分析并提出了一种考虑正负序分量影响的指令电流限制器，保证了故障限流效果。

Should catch the characteristic of rat tool to be the high pressure that it includes a box of body and installs in the box the body creation electric circuit and report to the police electric circuit and limit to flow a lamp bulb, and arrange in the high pressure of catch the rat place to output a linear electronics to catch a rat machine, high pressure creation electric circuit is press to commutate electric circuit, and in its exportation carry a conjunction have already provided to report to the police the establish of electric voltage of the electric circuit power supply to copular commutate a diode set.

该捕鼠器的特征是它包括盒体和安装在盒体内的高压产生电路、报警电路、限流灯泡，以及布置在捕鼠场地的高压输出线的电子捕鼠器，高压产生电路是五倍倍压整流电路，且在其输出端连接有提供报警电路电源电压的串联连接的整流二极管组。

Then, a new simulation model of asynchronous motor soft starter is designed based on MATLAB and the simulation results show the effectiveness of this scheme.

随后用MATLAB建立了软起动器的仿真模型，用模型仿真了具有代表性的限流软起动的起动特性。

TheSG3525 internal integration has the 5.1V voltage source (its precision can achieve 5.1±1%V), the double threshold comparator(with the exter connection electric circuit consist of constitution oscillator), the temperature compensation circuit, the over-current protection circuit, two levels of differential amplifiers and so on.

SG3525片内集成有5.1V基准电压源（精度可达到5.1±1%V）、双门限比较器（与外部的接口电路构成振荡器）、温度补偿电路、过流保护电路、两级差分放大器等。

The main products are as follows, three different step motors of YS series, the YY series electric capacity operates the asynchronous motor, YC (YC2) serial single-phase electric capacities start the asynchronous motor, the YU series resistance starts the asynchronous motor, asynchronous motor of electric capacity of a pair of value of YL series, three different step motors of Y series, three different step motors of Y2 series, YD series change the asynchronous motor of extremely many speeds, YH series are transfered to three different step motors of difference rate high, the YCJ series gear wheel moderates three different step motors, YEJ series electromagnetic to apply the brake three different step motor, YCT series electromagnetic to transfer speed three different step motor , YVP series frequency conversion transfer speed asynchronous motor , YSF series axle flow fan special-purpose three different step motor, Three different step motors of YZU series vibration source , the electronic device of YDF2 series valve uses three different step motors and YOX series limit distance type hydraulic coincidence device , ZLY spatters and makes such 28 series and more than 1500 specifications as the coil post tooth decelerator ,etc..

主要产品有：YS系列三相异步电动机、YY系列电容运转异步电动机、YC（YC2）系列单相电容起动异步电动机、YU系列电阻起动异步电动机、YL系列双值电容异步电动机、Y系列三相异步电动机、Y2系列三相异步电动机、YD系列变极多速异步电动机、YH系列高转差率三相异步电动机、YCJ系列齿轮减速三相异步电动机、YEJ系列电磁制动三相异步电动机、YCT系列电磁调速三相异步电动机、YVP系列变频调速异步电动机、YSF系列轴流风扇专用三相异步电动机、YZU系列振动源三相异步电动机、YDF2系列阀门电动装置用三相异步电动机和YOX系列限距型液力偶合器、ZLY渐开线圈柱齿减速器等28个系列1500多个规格。

Survey Company outstanding engineering and technical personnel, adopt advanced technology of professional production lines, the ISO9000 quality management system, production of high-quality, serialization of the PTC main components: the protection of communications equipment components ptc current limit, ptc refrigerator starter ptc fever, ptc constant temperature heating elements, ptc-degaussing, ptc car cold starter.

公司汇集优秀工程技术人员，采用先进技术的专业生产线，实施ISO9000质量管理体系，生产高品质，系列化的PTC元器件主要产品：通信设备保护ptc限流元件，ptc冰箱起动器ptc发热器，ptc恒温发热元件， ptc消磁器，ptc汽车冷起动器。

This issue is addressed by an inrush current limiter device for limiting inrushing current to a connectable load comprising: at least one switchable IGBT-based limiter unit for selectively limiting the inrushing current, having at least one current limiting conductor element for a limited leading of current and at least an IGBT-based switch whereby the IGBT-based switch is used as well as a controlled current limiter and as a by-pass element, and at least one control device for controlling the IGBT-based switch, whereby the control device comprises at least one IGBT-based switch supply and means for realizing smooth flanks of an output signal at the selected conductor element.

该问题通过用于限制针对可连接负载的浪涌电流的浪涌电流限制器设备解决，该浪涌电流限制器设备包括：至少一个可开关的基于IGBT的限制器单元，用于选择性地限制浪涌电流，其具有至少一个限流导体元件，用于有限引导电流，和至少一个基于IGBT的开关，其中基于IGBT的开关用作受控电流限制器和旁通元件，和至少一个控制设备，用于控制基于IGBT的开关，其中控制设备包括至少一个基于IGBT的开关电源和用于实现选定导体元件处的输出信号的平滑侧面的装置。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。