reactive adj. 1.反动的,倒退的,复古的。 2.反应的;反作用的;反冲的;【电学】电抗的;【化学】反应性的,活性的。 a reactive current 无效电流。 reactive power 无功电力。 reactivity n. adv. -ly ,-ness n.
compensation n. 赔偿;补偿(金);报酬 (for);〔美国〕薪水,工资 (for); 【机械工程】补整;【造船】补强。 compensation for damage 损害赔偿。 compensation for removal 退职金,遣散费。 in compensation for 以作…的赔偿[报酬]。
The paper brings out a few of measures to save energy including rational planning of grid , improvement of line loss management , public line , reactive compensation on - spot , promotion of single - phase transformer and elimination of timeworn facilities , etc 提出了多种途径的节能措施,包括合理规划电网、加强线损管理、完善公用线路、公用台变无功就地补偿、推广单相变、淘汰落后用电设备等。
Abstract : the underground load characters in yinshan mine were analyzed . based on the technical features of various kinds of reactive compensation devices , it was proposed that low voltage capacitance dynamic compensation mode shall be adopted for compensating reactive power and lowering voltage fluctuation 文摘:对银山铅锌矿井下负荷性质进行了分析,根据各种无功补偿装置的技术特点,提出采用低压电容动态补偿方式对该矿井下无功进行补偿和降低电压波动。
The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location , the design method and realization principle of the series devices , such as the reactive power acquisition device , the reactive power optimized controller and the compensation capacitor operator , is seated in detail through economic and technical comparison , a realistic hardware scheme of reactive power compensation system is proposed 文章利用电磁感应原理和数字通讯技术结合试验设计出电源自给式高压线路无线信号采集装置,解决了配电网分支线路无功参数不易测量的问题。文章还介绍了系统无功补偿容量及安装位置的计算方法,较为具体的讲述了无功功率采集器、无功优化控制器以及补偿电容操作器等一系列装置的设计方法和制作原理。通过经济技术比较提出了一整套切实可行的无功补偿系统硬件制作方案。
The loss of electric network is mainly in the network of intermediate voltage and network of low voltage . it is the main way to decrease in loss and improve benefit that shunt capacitor is used in reactive compensation . the mostly content of the thesis is disposition and optimization of capacity and location 系统网损主要集中在中、低压电网中,采用并联电容器进行无功补偿是减少网损提高效益的主要手段,本论文主要从网损、经济性方面出发,研究10kv及以下电压等级并联电容器补偿容量、位置的配置及优化。
It hopes to come to a sententious conclusion by optimizing location and capacity of reactive compensation . the main contributions of the thesis as follow : 1 ) it introduces the three current ways and corrects the habitual errors in engineering at present . it sums up experience and puts forwards to disposing fundamentals . the software is programmed for different objective function by visual foxpro and has been used in practice 主要解决以下问题并形成结果: 1 )从实用性出发,对工程中常见设计错误进行举例、修正;针对目前工程通用的三种补偿方法进行分析,总结工作经验,提出具体配置原则;并对补偿的不同目标(电压、功率因素)进行基于visualfoxpro的软件编程。
2 ) linking the classical control theory with practice , it tries drawing a sententious and practical conclusion by optimization . correctness is proved by emulation with robust toolbox of matlab . 3 ) in view of the complicacy of the circuits , it optimizes reactive compensation by equivalent area theorem and programs by c . it has been used in practice and gets good benefit 2 )结合多年工作经验和一些经典控制理论对几种典型负荷网络的补偿容量、补偿位置进行优化,寻求比较实用、可行的结论,并对其进行基于matlab的仿真,证明其正确性、可行性,使其具有更广的应用性。
This study have investigated optimal reactive compensation for daqing power distribution network . the job include the following aspect : thoroughly analyze the power distribution network of different level voltage and the manner of the power reactive compensation , aim at the question of the distribution network in reducing wasting and increasing voltage quality , put forward some feasible solving method 论文针对电网无功优化研究面临的主要难点,对大庆城市配电网无功优化补偿进行了研究,所做工作主要包括以下几部分: 1 )对大庆不同电压等级的城市配电网、无功补偿方式和无功补偿装置进行了深入分析,针对城市配电网在降低损耗、提高电压质量等方面存在的问题,提出了切实可行的解决方法。
Therefore , the power department and users are concerned aboui harmonic and reactive compensation . the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load . and need to measure the harmonic vol tage current in some electric net " point . then , by manual making an in - depth analysis and statistics on measured - data , it can reduce harmonic harm on public not to take some effective measures 电力部门通常在实际中,需要对电网的谐波状况、已接入和新接入系统的谐波源负荷进行管理、计算及测量,需要对电力网络各点的谐波电压、电流实际水平进行测试,然后对测试数据进行人工分析统计,并以此采取相应措施降低或减少谐波对电网的危害。
First from system aspect , this paper uses voltage sensitivity , pv curves method , equivalent reactive compensation method , back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system . the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation . the erc and back - up methods can evaluate the availability of replacing other generators . the value determines the cost 从对系统贡献角度,采用电压灵敏度方法( vs法) 、 pv曲线法、等效无功补偿法( erc ) 、无功备用方法来确定一个七节点系统中的发电机的无功价值和ieee14节点系统的发电机的无功价值,电压灵敏度法和pv曲线法可比较出不同电源跟踪负荷变化的灵敏度大小,而等效无功补偿法和无功备用方法可比较出不同电源替换其它发电机是否是最有效率的。
Based on the tsc reactive compensation equipment , a new low - voltage intelligent controller is designed , which can slove switched - capacitor without instantaneous rush current by means of zero - crossing triggering of scr components , and can realize auto - tracking reactive power , compensating and auto - switching scb . msp430f149 mcu is used as its core controller . it is shown that the algorithm in hand has the vantage of decreasing power loss and lowers of voltage and increasing the distribution system efficiency , for example power factor 该控制器以msp430f149为控制核心,暂态投切控制晶闸管过零触发,避免了电容器投切时的电流冲击;稳态运行时接触器替代晶闸管,实现了无功补偿的自动跟踪和电容器的自动投切,解决了投切时的暂态电流冲击和稳态可靠运行的难题。