目前排水泵站系统普遍存在功率因数低、无功损耗大的情况。
Now there is lower powe factor and larger reactive power loss in the drain system.
在效率合格的情况下，井用潜水泵的叶轮扬程和流量偏高时会产生无功损耗。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
叙述了矿井单钩提升系统大马拉小车、无功损耗大、下放段能量白白浪费的问题。
Large single hook lift system in mine has problems in reactive power loss, and energy waste during decentralization.
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.
合理的无功就地补偿和选择变压器容量可以降低损耗，提高系统运行的经济性，是电力需求侧管理的重要内容。
Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
电力系统中无功的分层平衡，有利于减少输电路径上无功的流动，降低电网传输损耗。
In the power system of reactive power balance layer, to reduce the flow path, reduce the reactive power transmission loss.
变电站电压无功控制系统可提高电压的质量和降低电网的有功损耗。
The voltage and reactive power control system for substations can improve voltage quality and reduce the active power loss.
在交流电网中，常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
电压无功控制系统对于提高电压质量，降低电网的有功损耗有着重要的意义。
The voltage and reactive power control system can improve voltage quality and reduce the active power loss.
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.
该软件具有图形编辑、网络拓扑分析、电网信息数据库管理、潮流计算、电能损耗计算和无功优化分析等功能。
This software has functions of graphic editing, network topological analysis, power information database management, power flow calculating, power loss and reactive power optimization analysis.
合理的无功分布既可以保证网络电压质量又可以降低网络有功损耗。
A reasonable reactive power distribution can not only guarantee the voltage, but also reduce active power wastage.
无功功率优化是减少电网损耗的有效措施。
The reactive power optimization is an effective measure for reducing the network loss.
只有做到合理补偿无功功率，才能有效地维持和稳定系统电压水平，从而降低有功损耗，提高系统供电效率。
Compensating reactive power reasonably can keep system's stable voltage level effectively, so reduces the active loss, improves system's efficiency of power supply.
无功补偿是降低电网损耗、提高输配电效率的有效手段。
Reactive power compensation is an effective measure to reduce power system loss and improve its efficiency.
该模型可以考虑STATCOM功率损耗从而可以更准确的计算其有功及无功输出。
This model can take into account the realistic steady-state losses of STATCOM if desired, and hence more accurately predict the active and reactive power output of it.
自我伸展帧保证稳定和垫层较崎岖，以及内部液压传动踏蹬系统是一个封闭的系统，以确保无功率损耗爬起来或。
The self-flexing frame assures stability and cushion over rugged terrain, and the internal hydro-drive pedalling system is a closed system that ensures no loss of power up climbs or singletrack.
电力系统无功优化对保证电压质量、降低运行损耗，实现电网的安全经济运行具有重要意义。
Reactive power optimization is of great importance to voltage quality guarantee, power loss minimization and thus security and economic operation of power system.
对供电部门来说，为了减少输电线的电能损耗，要求企业进行无功补偿。
To the power supply department, in order to reduce the energy loss of power transmission line, requests enterprises to carry on the reactive power compensation.
无功补偿是保持电力系统无功功率平衡、降低损耗、提高供电质量的一种重要手段。
Reactive compensation is an important way which maintains the reactive power balance of the electric power system, reduces the loss and increases supply quality.
县级电网电压无功综合控制系统是进一步降低电网有功损耗、提高县级电网电压水平的有效措施。
Reactive power control system of county grid is a very beneficial tool to reduce the loss of active power and upgrade the level of voltage of county grid.
现场应用动态无功补偿技术后，网络损耗有所减小，发电机输出功率大为降低，达到了节能降耗的目的。
After the applying of the technology, the network loss is decreased and the output power of the generator is lowered greatly, and energy saving with consumption declining is achieved.
无功补偿可以提高功率因数，变压器的经济运行可以最大限度地降低变压器的电能损耗，需量控制能够降低企业最大峰值负荷，降低生产成本。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
这种方法满足电路定律、计及了有功和无功潮流的交叉耦合，使所有电源和负荷都参与损耗分摊。
This method meets all the circuit laws, and makes all the network loss allocated to all consumers and generators, and takes into account the interactions between active and reactive powers.
如何科学利用和优化配置配电网络的无功资源，降低运行损耗，提高供电质量，越来越受到关注和重视。
How to utilize and distribute reactive power resources rationally and scientifically, reduce and operating losses, improve power supply quality, is being paid more and more attention.
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.
合理选择变压器的容量可以降低变压器的有功功率损耗和无功功率损耗，提高电力系统运行的经济性。
Rational chosen transformer capacitor can cut active power loss and reactive power loss down. So, it can improve power system economical operation.
合理选择变压器的容量可以降低变压器的有功功率损耗和无功功率损耗，提高电力系统运行的经济性。
Rational chosen transformer capacitor can cut active power loss and reactive power loss down. So, it can improve power system economical operation.
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