In order to implement an energy-saving method which keeps iron loss equal to copper loss using variable-voltage in light load, induction motor parameter identification at any moment is a key problem.
对于轻载调压使铜损等于铁损的这一节能方法而言，在线辨识出电机的参数是一个关键点。
And these electrodes are then connected to a variable voltage power supply.
这些电极然后，和一个变压电源连接起来了。
At first, through analysis of the system performance and the mathematics matrix of STATCOM, we introduced the voltage of the point where STATCOM jointed in the system as state variable.
首先，通过对系统性能以及STATCOM数学模型的分析，对原有数学模型进行了数学推导引入了STATCOM接入点的电压偏差作为控制变量。
A variable structure controller for Static var Compensator (SVC) which can improve power Angle stability of power system and local voltage characteristics of SVC is proposed.
本文提出了能同时改善电力系统功角稳定和装设点电压动态特性的用于静止无功补偿器(svc)的变结构控制器设计方法。
The result of simulation shows that the proposed variable structure controller can improve dynamic characteristics of system more effectively in contrast to conventional voltage controller of SVC.
仿真结果表明：与常规电压型SVC控制器相比，SVC变结构控制器能有效地改善系统的动态特性。
A high voltage gating switch of variable delay for photomultiplier tube has been fabricated.
介绍了一种用于光电倍增管的可变延迟高压门控开关电路。
The ECM receives its load command from a variable voltage signal through a foot pedal sensor with IVS. It then translates this position command into a load percentage command.
ECM接收到一个带有IVS的油门踏板传来的代表负载命令的可变电压信号，它然后将这个位置命令其转换成一个负荷百分比命令。
According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulse width.
比较电压偏差及其变化率，查询模糊控制表，调节逆变脉宽，可实现电压及电流的理想控制。
The power supply voltage may be controlled by replacing D1, D2, R1 and R2 with a variable voltage reference.
将D 1、D 2、R1和R2换成一个可变参考电压源，本电路就变成了一个可控电源。
This paper applies a method of linear continuous variable feedback to the control of a kind of voltage collapses induced by reactive power changes, which only USES a single variable to feed back.
应用连续变量线性反馈对一类由负荷无功功率变化引起的电压崩溃进行控制，仅用单个变量即可实现。
Circuit Breakers are supplied to protect the 115 VAC Inputs (2 each) as well as the Variable Amplitude Low Voltage Powers used by the Indicator Under Test (UUT) for Power, Reference or Lighting.
断路器被提供用于保护115VAC输入(各有2个)，以及保护被测指示器(UUT)所用于电源，基准或照明的可变振幅低压电源。
The outer one adopts conventional PI control algorithm and takes the capacitor voltage as the controlled variable.
外环则采用PI控制算法，以电容电压为被控量。
The main flux of asynchronous motor varies with the power voltage and the para-meter of excited inductance becomes a variable.
电源电压变化时，异步电动机主磁通随之变化，与之相应的激磁电感参数将是一个变数。
The world's only manufacturer who complete master the core technology of High-end four-quadrant high voltage variable frequency.
荣信公司是国内外唯一掌握高端四象限中压变频技术的厂家。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
该变频调速系统主电路采用交-直-交形式，以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
The sole manufacturer with independent intellectual property rights of four-quadrant high voltage variable frequency technology.
荣信公司是国内最早对四象限中压变频技术有自主知识产权并掌握核心技术厂家。
For this project ABB Italy and ABB South Korea will supply low voltage switchgear, intelligent motor control units and variable frequency drives.
ABB意大利公司和ABB韩国公司将为这个项目提供低压开关柜，智能电机控制单元，以及变频器。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages.
级联式多电平逆变器因其具有众多的优点，在高压变频调速领域中得到广泛应用。
For convenience of loading, a variable voltage electric generator is used in it, which can save electric energy more than 60 percent.
由于采用调压发电机，使之加载方便灵活，且能达到节能60%以上。
A kind of medium voltage AC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
This article introduces the principle, advantage, main problems and practicability of the high voltage high capacity variable speed drives abroad, in the meantime, its application is explained.
本文介绍了国外高压大容量变频器的原理、优缺点及实用性，并介绍了应用情况。
The high voltage variable frequency transformation of power plant's pump system of condensation water pump, condensation water booster pump is described briefly.
对发电厂的凝泵、凝升泵的高压变频改造进行了简要叙述，并对经济性试验的数据进行了定量分析。
During actual operation of electric motor, the electric current is generally variable by the changes of the load and the main voltage, so, the electric motor equilibrium temperature is also variable.
电动机实际运行时，电流一般是随负载和电网电压的改变而变化的，因此，电动机稳定温度也是变化的。
Variable voltage processors, if used properly in designing real-time embedded systems, can dramatically reduce system energy consumption.
在设计实时嵌入式系统时，如果能够善于利用可变电压处理器，可以极大减少系统的能耗。
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。
The medium voltage variable-frequency controller is developed for the variable-frequency against the existing problem during application of submersible pump.
潜油电泵中压变频控制器是针对潜油电泵在应用中存在的问题而研制开发的变频调速控制装置。
The author has developed a dissipation factor measuring system using the variable frequency series resonant voltage.
本文研制了一套在调频串联谐振电压下进行介质损耗因数测量的系统。
As per the equipment capacity and test equivalence demands, this paper demonstrates the necessity, urgency and feasibility of applying variable-frequency series-resonant voltage withstand tests.
为此，根据设备容量和试验等效性要求，论证采用变频串联谐振耐压试验的必要性、紧迫性和可行性。
As per the equipment capacity and test equivalence demands, this paper demonstrates the necessity, urgency and feasibility of applying variable-frequency series-resonant voltage withstand tests.
为此，根据设备容量和试验等效性要求，论证采用变频串联谐振耐压试验的必要性、紧迫性和可行性。
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