| 1. | Analysis on harmonic amplification of parallel compensating condenser
并联补偿电容器的谐波放大问题分析 |
| 2. | Research on remote parallel compensation to harmonics of electric power grid
电网谐波异地并联补偿的研究 |
| 3. | Mathematical modeling and computer simulation for working process of thyristor intermediate frequency power supply
并联补偿中频电源工作过程的数学建模与计算机仿真 |
| 4. | Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard , vacuum switch etc
交流无间隙金属氧化物避雷器，适用于变压器、配电屏、开关柜、真空开关、输电线路、电力计量箱、并联补偿电容器、旋转电机等电压保护。 |
| 5. | A suit of facility can realize shunt reactive power compensation including inductive and capacitive , little investment , adjust continuously , improve the quality of electrical power
并应用新型upfc来进行并联补偿，一套设备，可以实现并联感性、容性无功补偿，投资较小，可实现平滑调节，优化电压质量。 |
| 6. | Since pwm converters are the key part of hupqc , according to the application of this paper , the mathematical model about the series and shunt parts of tri - level pwm converters is presented in abc coordinate system
电能质量调节系统的核心单元是pwm变流器，结合本文应用提出了三相abc坐标系下电能质量综合调节系统的并联补偿单元和串联补偿单元的基本数学模型。 |
| 7. | The filed test was made in guangping substation of handan power supply company and the results of filed test indicated that the device is successful and it improved the voltage quality and power factor at various load condition
该装置在邯郸供电公司广平变电所进行了现场实验，实验结果表明，它可以在各种不同负荷状况下，自动进行并联补偿电容器的投切和主变分接头的控制，提高了电压合格率和功率因数。 |
| 8. | Studies on some distribution test systems show the power flow analysis of distribution systems to have the superior performance in terms of solution time and convergence characteristics . the thesis proposes two algorithms for real - time switching control scheme of shunt capacitors
在配电网中布置有许多并联补偿电容器组，它们在网络经济运行中所起的作用不同和运行现场的技术条件不同，它们的实时运行控制采用不同的控制方式和控制算法。 |
| 9. | With the consideration of most of our transformers " taps are changed manually and some fluctuate unnecessarily , this paper presents a supervision system of oltc based on plc control technique . then we combine this system with reactive power compensate device such as shunt capacitor to design a new supervision system of substation voltage and reactive power synthetic control based on plc fieldbus
针对国内变电站电压调整大多依靠人工调节，且有载调压变压器( oltc )分接头动作频繁的特点，本文提出了基于plc控制技术的有载调压监控系统的研制方法，并以此监控系统为基础，结合并联补偿电容器组等无功补偿设备，设计了一种基于plc现场总线的变电站电压无功监控系统。 |
| 10. | Abstract : this paper analyses principles for power frequency inductive furnace and power factor parallel compensation and three phases balance , deals with processes of power factor compensation and three phases balance for plc automatic power inductive furnace . for saving source and shortening time of smelting and improving electrice net , they will be of great significance
文摘:分析了工频感应炉的工作原理、功率因数并联补偿原理和三相平衡原理.论述了plc自动控制工频炉的功率因数补偿、三相平衡的过程.它对节省能源，缩短熔炼时间，改善电网功率因数有重要意义 |
