说明:特性曲线是在冷态,三相负载下测得。
Note: The characteristic curves are obtained in the cold state and 3-pole loading.
采用三相共补与分相补偿的混合补偿方式,实现对三相负载不平衡的无功补偿;
The hybrid method of compensation:three-phase compensation and split-phase compensation is used to achieve a three-phase unbalanced load reactive power compensation;
特性曲线Characteristic curve特性曲线是在冷态,三相负载下测得。
The characteristic curves are obtained in the cold state and 3-pole loading.
本文导出了同步电机三相对称负载突然拉开,电机端电压与励磁电流在瞬态过程中的解析表达式。
In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.
该系统可以避免三相不平衡负载对逆变器输出电压的影响。
This system can avoid the influence that three-phase imbalance load towards the output voltage of inverter.
简要叙述了三相交流晶闸管智能模块(ITPM)的性能特点、应用情况以及速调管的负载特性。
The characteristic and application conditions of three-phase ac intelligent thyristor power module (ITPM) and load characteristic of klystron are presented.
本文简述了三相异步电动机运行中的效率、功率因数、负载率和功率的关系及各种节电措施。
This paper explained in brief the relation of three-phase asynchronous motor among efficiency, power factor, load rate and power and every power saving measures.
选用三相自耦式变压器,纯电阻负载为对象进行模拟实验。
Three-phase autotransformer with pure resistor load is chosed for the simulation experiments.
本文针对三相不平衡负载特点,介绍了无功功率补偿原理和单板机控制系统。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
论述了一种用于航空发电机测试用的三相馈能式电子负载功率拓扑方案及其电流控制策略。
Discussing a kind of power topological solution and its current control method of the three-phase energy feedback type electronic power load used in aero-generator testing.
本文将三相四桥臂逆变器与重复控制技术、PI双闭环控制相结合,满足了非线性不平衡负载的要求。
In order to solve the problem mentioned above, a novel design which combines three phase fourlegs inverter, repetitive controller and PI double loop control.
首先,本文对三相电力变压器空载损耗、负载损耗在线检测理论进行了讨论和分析。
Firstly, this paper shows a method to detective the open circuit loss and the load loss of the there-phase power transformer online by operating the real-time voltage and current of the transformer.
本文介绍了带有源负载时,小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
为三相全控桥带时变负载的分析提出了一种实用方法。
A practical analysis method is provided for fully controlled 3-phase rectifier with time-variable loads.
根据三相异步电动机损耗及节能原理,研究异步电动机端电压与负载大小之间的关系:电压将受负载对转速要求的制约。
According to wear and energy-saving principle of three-phase asynchronous motor, relations between pressure of motor and load are researched herein that is pressure is restrained by the load to rate.
电动机的负载电流不得超过额定值,三相电流平衡。
The electric motor should not overload, three -phase current should be balance.
本文将三次谐波注入的PWM控制方案应用到四桥臂三相逆变器中,可以带非对称负载且具有较高的电压利用率。
The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.
介绍了三相笼型异步电动机负载杂散损耗的四种测试方法,包括三种实测法和推荐值法。
Four kinds of test methods for determining stray-load loss of three-phase cage asynchronous motors were introduced, including three kinds of procedures by measuring and by assuming.
简要介绍了三相感应调压器的负载运行情况,对二次回路参数、负载时一次回路参数、输入参数、相关数据和相量图进行了分析。
The load operation of a three-phase induction-voltage regulator is presented briefly. The related data, phasor drawing and parameters in secondary circuit, primary load circuit and imput are analyzed.
针对离网型小型风力发电系统中负载具有随机性和不平衡性的特点,本文将三相四桥臂逆变器应用于该系统。
In small scale wind power generation systems, the loads are stochastic and unbalanced sometimes, which put forward special requirements to the inverter.
计算结果表明:三相次级整流电阻焊焊接电流基本上是连续的,负载感抗变化对其影响很小。
The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.
在舰船上可利用三相同步发电机同时向交流负载和直流负载供电。
Three-phase synchronous generators are used for supplying simultaneous AC and rectified DC loads in ships.
YH系列高转差率三相异步电动机适用于传动飞轮转矩较大和不均匀冲击负载以及反转次数较多的设备。
Widely used for driving various kinds of machine tools with greater flywheel torque. ?unequal hammering load and many times of anticlockwise running.
本机采用新型功耗组件,功率密度高,无红热现象,为纯阻性负载,三相电流平衡。
Because the bank adopts late-model components, high power density, it has not red-hot phenomena. It is pure resistive load and three-phase current balance.
该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流,并能自适应跟踪负载电流的变化等。
The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults o…
该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流,并能自适应跟踪负载电流的变化等。
The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults o…
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