• The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.

    不同容量负载以及负载不同功率因数同步发电机励磁磁场作用不同的,对同步发电机的内部阻抗的作用也是不一样的。

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  • The basic purpose of a shunt capacitor bank is to increase the local circuit voltage and or reprove the load power factor carried by the circuit.

    并联电容器组的基本目的提高当地线路电压提高引线路负荷功率因数

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  • Load factor the load factor is the ratio of the average load to the generator set power rating.

    负荷系数负荷系数指机组平均负荷额定功率之间比率

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  • Synchronous motor excitated magnet by direct current can make output mechanism specialities matched load specialities by means of adjusting exciting current to change magnetic field and power factor.

    这是因为电励磁同步电动机通过调节励磁电流改变磁场功率因数使输出机械特性与负载特性相匹配

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  • Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.

    同步电动机不但功率因数而且转速负载大小无关决定电网频率。

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  • Through calculation and dynamic adjustment of the distribution factor for every power plant and tie line more accurate load flow change can be obtained.

    通过计算动态调整各个调节电厂联络线调节分配因子,得到比单个松弛节点计算时更加实际的潮流变化

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  • Power load is the important part of power system. Load modeling has become a crux factor, which is restricted veracity and trustiness of power system simulation results.

    电力负荷电力系统重要组成部分,负荷模型已经成为制约电力系统仿真计算结果准确信赖程度关键。

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  • Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.

    配电变压器增设移相电容器进行集中补偿提高功率因数增大了变压器负载能力

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  • According to the power load and load characteristic actuality of Jiangxi power network, to analyze the load characteristic changing trend effect factor.

    根据江西电网负荷负荷特性现状负荷特性变化趋势影响因素进行分析

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  • While transmitting the load power, the high-voltage transmission line consumes the active power of its own, and absorbs or outputs the reactive power, which affects the power factor significantly.

    高压输电线路输送负荷功率同时自身也消耗有功功率、吸收输出功率,线路无功会对功率因数产生很大影响

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  • 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.

    本文简述三相异步电动机运行中的效率功率因数负载功率关系各种节电措施

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  • This device is superior to those energy-saving devices controlled by power factor of by load and speed.

    装置优越功率因数控制或按负荷速度控制的节能装置

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  • The power factor for the railway substation of the electrified railway is low and can not meet the conditions of severe tractive load to reactive compensation requirements.

    针对电气化铁路变电所功率因数不能满足剧烈变化牵引负荷无功补偿要求现状

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  • As a result, some parameters of the key points have been got including the power spectrum density (PSD), the response variance, the gust response factor for load and displacement.

    生成若干关键点功率密度(PSD)和响应均方值,以及荷载系数、位移风振系数。

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  • It has evident effect on low power factor working of motor, decreasing line loss and improving load ability of transformer.

    实行电动机无功就地补偿,改变电动机功率因数运行减少线路损耗提高变压器带能力明显效果

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  • The APF eliminates the harmonics and compensates the small amounts of load unbalances of power factor that the TBC cannot eliminate due to its binary condition.

    APF消除谐波补偿少量负载不平衡或由于TBC二进制条件不能消除功率因数

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  • With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.

    随着配电系统负荷日益增长,无需求也相应增加配电线路广泛采用并联电容器满足无功需求。

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  • The influence of variable load on a beam pumping unit on the electric current, input power, efficiency and power factor of the electric motor is discussed, and relevant calculating formulae are given.

    讨论了游梁抽油机变动载荷电动机电流输入功率效率功率因数影响给出了计算公式

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  • The Lower the External Characteristic of the Iron-core Transformer, the Lower the Power Factor of the Inductive Load?

    感性负载功率因数铁芯变压器特性下降吗?。

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  • The results clearly show conduction losses are the function of semiconductor static characteristic, power factor, modulation depth and load current.

    表达式与器件特性功率因数制度负载电流有关,利用其计算不同载波调制下通态损耗时只需改动导通占空比。

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  • In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.

    变压器空载试验由于功率因数,空载电流不是正弦信号,高精度测量其有功功率具有一定难度

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  • The paper puts forward impact factor analysis of the reliability in bulk power system using power flow tracing method on the basic of power flow tracing load-shedding model.

    本文潮流跟踪负荷削减模型基础提出大电力系统可靠性影响因素分析潮流跟踪

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  • Proper modeling of the power load is a crucial factor, sometimes even a deciding factor, influencing the results of the simulation computation of power system.

    负荷模型建立恰当与否往往对电力系统仿真计算结果产生重要影响有时甚至是质的结论性影响

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  • At the same time, constitute a capacitive load, so that capacitive power factor of 0.2 to a minimum the following, non-harmonic and electromagnetic interference, the true green light source.

    同时构成电容负载使功率因数降至最小0.2以下无谐波电磁干扰真正绿色光源

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  • The power factor of distribution system is very low because of the beam pumping unit's load characteristics and oil well group platform's operating characteristics, increases voltage and power losses.

    游梁式抽油机负载特性以及井组平台运行特性导致了油田配电网功率因数普遍偏低,增加了配电网的电压损失有功损耗。

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  • Generator's operation with leading power factor, as a means of voltage control, has been adopted widely as required in case of light load and high voltage.

    作为一种调节系统电压手段发电机进运行电网小方式电压偏高情况下按系统需要普遍采用

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  • It can improve the power factor of the motor when it is under low load or no load running.

    提高电动机在轻空载功率因素

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  • Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.

    基于单位功率因数控制策略单相有源滤波去掉非线性负载部分即为单相全控整流

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  • Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.

    基于单位功率因数控制策略单相有源滤波去掉非线性负载部分即为单相全控整流

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