您要查找的是不是：
- reactive power problem 无功功率问题
- Have you decreased the reactive power to zero? 您将无功负荷将为零了吗?
- Is there any reactive power error control in AVR? 自动调压器有无功功率误差控制吗?
- Node with zero input active and reactive power. 注入有功功率及无功功率为零的节点。
- So the problem of system reactive power optimization is solved through OPF algorithm. 通过OPF算法求解电力系统无功优化问题。
- The control of voltage and reactive power are inseparable. 电压控制和无功功率的控制是分不开的。
- Reactive power of non-linear load is a tough problem to tackle,and the traditional reactive power concept can t explain it now. 非线性负荷的无功功率是一个值得关注的问题,传统意义上的无功功率概念已不能全面地对其进行解释。
- The controlof voltage and reactive power are inseparable. 电压控制和无功功率的控制是分不开的。
- Improve the power factor and reduce the reactive power dissipation. 提高系统的功率因素,减少无功损耗。
- DZ-active and reactive power grab grab, such as lifting aids. DZ型有功抓斗和无功抓斗等起重辅助设备。
- The problem caused by reactive power and harmonics, the developing course of static var compensator, and the research status of SVG are firstly introduced. 本文首先分析了无功和谐波问题、无功补偿装置的发展历程和静止无功发生器的研究现状。
- Automatic compensation load reactive power, enhancing the load power factor. 自动补偿负荷无功功率，提高负荷功率因数。
- On-line reactive power optimization synthetical algorithm is presented. 提出了在线无功优化的一种混合算法。
- The low-coal seam synthesis mechanized mining of Shenhuo Xinzhuang mine is mostly to solve the height and power problem of mining equipment. 神火新庄矿薄煤层综合机械化采煤,主要是解决采煤设备的高度和功率问题。
- Based on the LTY8 paver, typical driving method using rear bridge double axles is introduced, the better traction performance and parasitic power problem are analysed. 以LTY8型摊铺机为例，介绍了一种典型的摊铺机后桥双轮驱动方式，并分析了其良好的附着性能及避免产生寄生功率的问题。
- The running voltage of smelting furnace is about 140 volt, and electrode current is as high as several thousands ampere. The contact technology and the control exist much difficult problem when the reactive power compensation is used to so large current. 矿热炉工作在140V左右的低电压下,并且电极电流高达几万安培,要对这么大的电流进行无功补偿,不仅存在许多接触工艺上的困难,还给控制上提出许多难题。
- By minimizing the costs of reactive power and the system active power loss, the novel ORPF model is proposed.The model is an unfixed and piecewise mixed-integer nonlinear programming problem. 建立了以系统有功网损费用与发电机无功辅助费用之和最小为目标函数的无功优化模型，其对应的优化问题是一个具有非固定分段特点的非线性混合整数规划问题。
- Due to the problem of reactive power compensation and harmonic pollution becoming serious in mine system,TCR reactive compensation system for load of mine DC elevator was designed. 由于煤矿系统无功补偿和谐波污染问题日趋严重,设计了以矿井直流提升机为负载的TCR无功补偿系统。
- And expounds innovational and good compensative project in urban distribution by analyzing applied technology of reactive power compensation. 并通过对无功补偿应用技术的分析，提出了创新的配电网优化补偿方案。
- Voltage control is performed by the SMES system injecting or absorbing adjustable levels of reactive power. 电压控制是通过SMES系统发出或吸收数量可调节的无功来实现的。
