load n. 1.装载,担子;负担;工作(负荷)量。 2.(车船等的)装载量;一驮,一车,一飞机。 3.【电、机】(机械等的)负载(量),负荷(量);发电量。 4.充填,装药,装弹。 5.〔pl.〕许多,大量,一大堆。 6.〔俚语〕使人喝醉的量。 7.【生物学】(不利)负荷〔指有害基因的存在〕。 a load of care 精神负担。 a load of debt 债务的负担。 be ever ready to bear a heavy load on one's shoulders 勇于挑重担。 a cart load of furniture 一货车家具。 a load of hay 一堆干草。 We have to make three loads of the cargo. 我们得把货物分成三批装运。 genetic load【生物学】遗传负荷〔指有害基因的存在〕。 the breaking load最大载荷。 the capacity load满载。 the dead [static] load恒载,静(荷)载,自重。 the live [moving, mobile] load活负载,动荷载。 the peak load最大负载,峰负载 the permissible load容许负载。 the rated load额定载荷。 the safe load安全负载。 the working load资用负载。 loads of friends 大批朋友。 loads of time 充裕的时间。 a teaching load of twenty hours a week 每星期二十小时的教学任务。 be a load off one's mind 如释负重。 get a load of 〔美俚〕仔细听;注意看。 have a load on 〔美俚〕喝醉。take a load off one's feet 〔美俚〕坐下休息。 take a load off sb.'s mind 解除某人思想负担,使某人放心。 vt. 1.把货装到(船、车等)上;装(货)。 2.装满,使负担。 3.把子弹装到(枪里);把胶卷装入(照相机)。 4.用铅加重(骰子、手杖等);用低劣物质等搀入。 5.(人寿保险)加收额外保险费。 load cargo into the hold 把货装进船舱。 a heart loaded with care 心事重重。 a table loaded with delicacies 摆满佳肴的桌子。 air loaded with carbon 充满碳气的空气。 load one's stomach with food 吃得太多。 load sb. with praise 极力称赞某人。load a camera with film 给照相机装胶卷。 This wine has been loaded. 这种酒是搀了水的。 vi. 1.(在枪里)装弹药;装料。 2.(车、船等)装货;上船,上车。 Load! 【军事】装子弹! The ship is loading for London. 这船正装货运往伦敦。 They loaded into the boat. 他们上船了。 be loaded down with 〔美国〕 = be loaded up with 装着…,存有(某种股票等)。 load down 装载甚重。 loaded for bear 〔俚语〕 1. 有充分准备。 2. 生气;准备打架。 load the dice against sb. 对某人使用加重骰子;使用不正当手段占人便宜。
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A hybrid algorithm for distribution power system load flow calculation 一种配电网潮流计算混合算法
The study is very important for electric power system economic operation . load flow calculation is the basis of distribution power network analysis 因此,研究配电网的优化运行方法,对提高配电网运行的经济性具有重大意义。
Therefore the traditional load flow calculation methods will fail to solve the distribution power networks . to compensate the defects , a new concise method is proposed to determine the current distributions in distribution power networks 为此,本文给出了一种简明近似的配电网电流分布计算方法,同时很好地解决了配电网损耗的理论计算问题。
As the essential electrical calculation means , load flow calculation provides important basis for power systems operation and studies , and is indispensable to advanced power systems application software . in this thesis , the development of methods for load flow solution of distribution networks at present have been fully analyzed and evaluated in the aspect of convergence . the algorithm for distribution power systems base on the complex matrix was proposed in this paper , the proposed methods is very efficient and required less computer memory storage observably 潮流计算是电力系统中应用最广泛、最基本,也是非常重要的一种电气计算。它给电力系统的研究人员和实际运行人员提供了重要参考依据,也是许多电力系统高级应用软件中不可缺少的一部分。本文针对配电网潮流计算的现状进行了全面分析,深入讨论了目前各方法的特点,并从收敛性能及各方面指标进行了比较分析,提出了基于复数矩阵的配电网潮流的原理、数学模型和实现方法,并通过编程于以实现。
The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network , a novel layer - by - layer backward / forward sweep method id developed . the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches , that greatly increases the speed of load flow calculation 其主要内容如下: ( 1 )针对配电网络的树状结构和层次特性,研究了一种新颖的分层前推回代潮流算法,该算法不需要网络节点和支路的特殊编号,可以并行计算同一层次所有支路的功率损耗和电压损耗,从而大幅度提高了潮流的计算速度。