如超长距离输电装置、紧凑型线路、无功动态并联综合补偿技术、大截面耐热导线以及新型安全自动装置等。
For instance, extra long distance implement, tight power line, idle dynamic parallel integrated compensation, big section heat-resistant wire, new-style security automechanism, and so on.
提高功率因数的一个重要办法就是无功补偿。另外通过远动监控、线损统计、线路改造等措施,也可以降低线损。
The reactive power compensation is a important means of enhancing power factor, otherwise, by remote control, loss statistic and line rebuilding also can reduce the line loss.
从设备的选型、线路的控制方式、无功补偿方式、变压器的选择等方面介绍了建筑电气节电的主要措施。
Main measures for electricity saving of buildings in terms of equipment selection, lines control modes, reactive compensation mode and transformer selection etc. were introduced.
由于电缆的充电功率比普通架空线路高一个数量级,如何进行无功补偿是一个需要认真研究的课题。
As charging power of cable is about one order of magnitude higher than general overhead line, how to compensate reactive power is a new subject to us.
实行电动机无功就地补偿,对改变电动机低功率因数运行、减少线路损耗、提高变压器带载能力,有明显效果。
It has evident effect on low power factor working of motor, decreasing line loss and improving load ability of transformer.
供电线路中的无功补偿装置,在杆上变压器上的应用是个新课题。
The application of reactive compensation device in power supply lines in the on-pole transformer is a new subject.
本文分析和计算了加装无功补偿装置后的高压供电线路和主变压器的节能效果。
The results of energy saving are analysed and calculated to high voltage circuit and main transformer after installing inefficiency power compensation apparatus.
统一潮流控制器(UPFC)可以有效控制线路的有功和无功功率。
UPFC (Unified power Flow Controller) is always used to control the active and reactive power of transmission lines.
无功补偿广泛应用于线路末端和大型厂矿企业,能很好地降损增益。
Reactive power compensation which is abroad used in the end of lines and large corporations have good effects in reducing power losses.
高压输电线路在输送负荷功率的同时自身也消耗有功功率、吸收或输出无功功率,线路无功会对功率因数产生很大影响。
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.
线路普遍存在的功率因数偏低现象,一方面会增加电网无功电流,另一方面会使电气设备运行效率降低。
The line exits power factor lower phenomenon that may increase virtual current and decrease operation efficiency of equipment.
随着配电系统负荷日益增长,无功需求也相应增加,配电线路广泛采用并联电容器来满足无功需求。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
专线供电模式中,线路电抗性质所引起的无功损耗对线路两侧无功计量量值的影响,是客观事实。
In the special power supply model, the reactive power losses caused by the line reactance have an influence on the measurement of reactive power on both sides of the line, which is an objective fact.
综合考虑节点电压关于线路电抗和系统无功功率变化的灵敏度,提出了电压失稳指标。
Considering the sensitivity of virtual nodal voltage to line reactance and variation of reactive power of power grid comprehensively, the voltage instability index is put forward.
通过该算法可得到节点电压对任何网络参数的灵敏度,比如线路电抗、电网无功功率的变化等。
By means of the proposed algorithm the sensitivity of nodal voltage to any network parameter can be obtained, such as line reactance, variation of reactive power of power grid and so on.
有功和无功电流补偿或线路压降补偿。
This function is sometimes called active and reactive current compensation or line drop compensation.
针对就地控制策略的不足,该文提出一种系统控制策略,即一种采用考察整条线路无功补偿效果的控制策略。
For the shortage of local control strategy, a systematic control strategy considering reactive power compensation effect of the whole line was proposed in this paper.
该装置体积小,安装简便,不对原一次线路进行改动,不对线路绝缘造成威胁,解决了配电网分支线路无功参数不易测量的难题。
This equipment is easy to be fixed for its small volume. It doesn't change the primary line and has no impacts on the insulation of transmission line.
摘要:在电力传输过程中,由于大量无功功率的存在,不可避免地导致线路损耗的增加,给用电设备安全运行带来了隐患。
Absrtact: a mass of reactive power exists in electric power transmission course, accordingly the wasting of circuitry increases and the electrical equipment safe have brought hidden trouble.
第二个重要工作是保持整个系统的电压正确分布,这可通过在各线路上恰当的无功潮流来完成。
The next most important job is to maintain a proper profile3 throughout the system. This is accomplished by proper flows of reactive power on the various lines.
第二个重要工作是保持整个系统的电压正确分布,这可通过在各线路上恰当的无功潮流来完成。
The next most important job is to maintain a proper profile3 throughout the system. This is accomplished by proper flows of reactive power on the various lines.
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