Large single hook lift system in mine has problems in reactive power loss, and energy waste during decentralization.
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。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
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。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
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。
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。
In the power system of reactive power balance layer, to reduce the flow path, reduce the reactive power transmission loss.
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。
It is pointed out that the active and reactive decomposition loss allocation and power tracing method is not reasonable.
本文指出了有功、无功解耦网损分摊，功率追踪的不合理。
Compensating reactive power reasonably can keep system's stable voltage level effectively, so reduces the active loss, improves system's efficiency of power supply.
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。
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.
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。
Reactive compensation is an important way which maintains the reactive power balance of the electric power system, reduces the loss and increases supply quality.
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 power supply programming in distribution network can improve voltage and decrease power loss, it is important for the running of systems more safe and economical.
配电网无功电源规划能够有效地改善电压水平、降低网损，对系统安全经济运行具有重要意义。
ABSTRACT: in this paper, starting from the active network loss formula, it reveals that the key to decreasing loss relies on minimizing the reactive liquidity of power grid.
摘要：首先通过有功网损公式揭示了降损的关键是减小电网无功流动性。
When reactive power is unbalance, it will cause some problems, such as lower voltage, worsen voltage quality, lower power factor and increase line loss.
当无功功率不平衡时，将会导致系统电压降低、电能质量下降、功率因数降低、线损增加等问题。
Regulating power factor of central substation by controlling reactive power amount can achieve the goal of reducing economical loss.
通过控制无功补偿量，调节中央变电所进线系统的功率因数，可达到减少经济损失的目的。
Reactive power optimization is of great importance to voltage quality guarantee, power loss minimization and thus security and economic operation of power system.
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。
The voltage and reactive power control system for substations can improve voltage quality and reduce the active power 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 can improve voltage quality and reduce the active power loss.
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。
This software has functions of graphic editing, network topological analysis, power information database management, power flow calculating, power loss and reactive power optimization analysis.
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。
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.
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。
It is very necessary for economic run of electric enterprise to decrease network loss and to optimize the node voltage through the real-time online control of reactive power optimization.
通过在线无功优化，降低网损、保证电压质量，对供电企业的经济运行是非常必要的。
Reactive power compensation is an effective measure to reduce power system loss and improve its efficiency.
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 optimization is an effective method for improving the electricity quality and reducing the power loss in power system.
电力系统实现无功优化控制是保证系统电压质量、降低网损的重要措施。
Reactive power optimization and reactive power compensation in electric power systems are the efficacious means to elevate operation voltage, reduce power loss, and increase the stability level.
电力系统的无功优化和无功补偿是提高系统运行电压，减小网损，提高系统稳定水平的有效手段。
Reactive power programming is an important way to improve the voltages of distribution power system and reduce the energy loss.
配电网无功电源规划是提高配电网电压质量、降低网损的重要途径。
Two examples of local reactive power balancing are introduced in detail, and the effects of reduced loss are analyzed.
详细介绍了两个无功就地平衡降损实例，并对降损效果进行了分析；
The general reactive power optimization is only to reduce the loss of the system and improve the quality of voltage, which is suitable when system has enough power capability.
传统的无功优化通常考虑的仅仅是提高电网的电压质量和降低网损，当系统的传输容量有足够的裕度时，这种只考虑经济效益和基本运行约束的做法是适当的。
It takes the least net loss and the best voltage level as the object functions to optimize system reactive power.
系统以网损最小和电压水平最好为目标函数，对系统进行无功优化。
Rational allocation of reactive power compensation to reduce the loss distribution network, save power and improve the quality of power supply is important.
合理配置无功补偿对降低配电网网损、节约电能、提高供电质量有重要意义。
Reactive power optimization is one of the most control methods to ensure power system operation securely and economically, and an effective measure to improve the voltage profile and reduce the loss.
电力系统无功优化是保证系统安全、经济运行的一项有效手段，是降低网损、提高电压质量的重要措施。
Reactive power optimization is one of the most control methods to ensure power system operation securely and economically, and an effective measure to improve the voltage profile and reduce the loss.
电力系统无功优化是保证系统安全、经济运行的一项有效手段，是降低网损、提高电压质量的重要措施。
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