1、

The operation features of the load circuit of the electronic ballast are analyzed.

分析了电子镇流器负载电路在谐振点火阶段和稳态限流阶段的工作特性.

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2、

Introduce the different of sinusoidal AC circuit and nonlinear load circuit in reactive power definition, introduce the basic ideas and the advantages and disadvantages of the existing theory. 2.

本文主要完成以下工作:1、介绍正弦电路和非线性负载电路无功功率定义的差异及国内外无功功率研究状况,介绍各理论的基本思路和优缺点。

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3、

Calculation of the MED Freq Thyristor Power Supply with the Load Circuit of Double Voltage

晶闸管中频电源倍压式负载电路的设计计算

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4、

The equivalent circuit and the vector diagram of the HTS LIM are studied. The three-phase winding current, the thrust force, the vertical force, the motor speed and the motor position in the load condition are analyzed.

研究了高温超导直线感应电机的等效电路和向量图,分析了负载条件下电机的三相绕组电流、电机推力、电机法向力、电机速度和电机位移波形。

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5、

By analysis of the traditional inverter control principles, this paper presents a novel inverter control strategy aim at reactive load fluctuations. It makes full use of the original topology of the inverter circuit to achieve the dual control objectives of both grid connection and reactive power compensation.

通过对逆变电源传统控制原理的分析,本文提出了一种针对无功负荷波动的逆变器并网控制策略,该方案充分利用逆变电源原有的电路拓扑结构,达到并网和无功补偿的双重控制目标。

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6、

This paper introduces the basic principle and method of computer simulation for reactive power compensation by giving an example of simulation on DC load of thyristor rectifier device, at the same time, introduces the basic principle and formula of FC+ TCR circuit.

该文通过最基本的晶闸管整流装置控制的直流负载的仿真,来介绍仿真技术的基本原理,基本方法,同时介绍了FC+TCR电路的基本原理和公式。

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7、

Comparison on Speed-load Characteristic of Speed Regulation Circuit with Throttle Valve and with Flow control Valve

用节流阀和调速阀的节流调速回路的速度-负载特性对比

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9、

It can be used as an independent relay, including crossing current brake circuit, no braking quick-break circuit, preventing no-load starting transformer inrush current, and avoiding fifth harmonics of overexcitation running for high-power transformer.

它可以作单个继电器用,具有穿越电流制动回路,无制动速断回路,且可防止空投变压器励磁涌流的影响,对大容量变压器还可躲开过励磁运行时五次谐波的影响;

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10、

Protection against motor over-load usually adopt thermal relay, but protection against line over-load usually adopt long delay over-current release of circuit-breaker.

电动机过载保护通常采用继电器,而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。

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11、

Dynamic simulation analysis on automatic switch from inverter circuit to industrial frequency power system of piston compressor load

负载活塞压缩机电路自动转换机电系统动态仿真分析

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12、

As an essential component of DMS, the system will supplement itself in the following aspect, short circuit current calculation, theoretical losing, voltage/ reactive power optimize, state estimation, load forecast, etc.

本软件平台是DMS的重要组成部分,下一步将加入短路电流计算、理论线损计算、电压/无功优化、状态估计、负荷预报等功能。

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13、

The whole test system includes AC source, signal acquisition and regulate circuit, LED electronic load, ARM control circuit, LCD interface circuit, switching value circuit and communication interface circuit.

整个测试系统包括交流源电路、信号采集与调理电路、LED电子负载电路、ARM处理器控制电路、液晶显示接口电路、开关量接口电路和通信接口电路。

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14、

MECHANICAL AND ELECTRICAL LIFE: 10,000 make-and-break cycles at full load, each circuit.

机械,电气寿命:10000使通断满负荷周期,每个电路。

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15、

Through circuit resonance, dielectric barrier discharge power supply outputs a high frequency and high voltage of sine waveform to produce dielectric barrier discharge. Through DC input voltage regulation and circuit resonant frequency tracing, approximate linear load power regulation can be realized by the power supply.

利用电路谐振产生高频高幅值的正弦波电压的介质阻挡放电电源,通过调整电源的逆变电路的直流输入电压,同时逆变电路开关频率跟踪电路谐振频率,可以实现介质阻挡放电负载功率的近似线性调整。

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16、

A power management circuit is designed, which can collect energy in a long time and release the energy to drive load in a short time.

并设计了电源管理电路,实现长时间内对磁电换能器输出电能的收集,瞬间放电,驱动负载工作。

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17、

An equivalent circuit model of the rectifier loaded 3 phase synchronous generator with d axis subtransient reactance x ″ d equal to q axis subtransient reactance x ″ q is developed for steady state and quasi steady state analysis of the synchronous rectifier load system.

在d轴与q轴超瞬变电抗值相差不大的条件下,建立了带整流负载的三相同步发电机的等效电路模型,该模型可用于同步发电机整流系统稳态和似稳态过程的分析计算。

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18、

In this paper the inverter techniques for photovoltaic power supply are discussed and it is pointed out that the main factors which affect inverting efficiency are transformer consumption, power electronic switching transistor consumption as well as driving circuit consumption, control circuit consumption at light load operation.

本文主要讨论了太阳能逆变器技术要求,指出影响逆变器效率的主要因素是变压器及功率开关管的损耗,驱动电路与控制电路的功耗是影响逆变器低负荷运行效率的重要原因。

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19、

Test and Research on Switching No-load Overhead Lines Using High Voltage Circuit Breaker

高压断路器开合空载架空线路的试验研究

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20、

On Efficiency Property of Throttle Speed Control Circuit in Condition of Constant-Load

恒负载工况下节流阀调速回路效率特性研究

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