development of visual power system analysis and transient stability evaluation software

1、

the development of optimal power flow ( opf) algorithm was expatiated briefly. the features of electric power system analysis software etap in opf computation were introduced. a computation example of ieee 30-bus system was given to test the performance of etap in opf computation.

简述了最优潮流（OPF）算法的发展，介绍了电力系统分析软件ETAP在OPF计算上的特点，给出了一个IEEE30节点的算例，测试了该软件在OPF计算中的表现。

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2、

with the edsa power system analysis simulation software, the harmonic of the power system of xijiang 23-1 project is analyzed and the feasible filter scheme is put forward according to the simulation results.

通过EDSA电力系统分析仿真软件对西江23-1油田电力系统进行谐波分析，并根据仿真结果提出可行的滤波方案。

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3、

according to the condition of datong network in 2004, this paper analyzes the n-1 breaking of 220 kv ( transmission) line by the use of bpa power system analysis software, and then makes conclusion and proposes some suggestions.

根据大同电网2004年状况，用BPA电力系统分析软件对大同电网220kV线路进行了N-1开断模拟分析，并根据分析结果做出了结论和建议。

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4、

on the basis of dynamic model of vsc-hvdc transmission system and by use of the user-defined function provided by power system analysis software package ( psasp), the dynamic simulation of multi-machine power system incorporated with vsc-hvdc is implemented.

在VSC-HVDC动态模型的基础上，利用电力系统分析综合程序提供的用户自定义功能（PSASP/UD），实现了含有VSC-HVDC的多机系统动态仿真。

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5、

based on the repeated power flow and step size dichotomy, an online calculation software considering constraints of safe operation for power supply capability is developed based on delphi platform. besides the power flow calculation module is accomplished by bpa as a subfunction.

在Delphi设计平台上，考虑电网安全运行约束条件，结合电力系统分析综合程序（BPA）的潮流计算模块，开发了一套基于重复潮流法与步长二分法的地区电网供电能力在线计算软件。

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6、

with the sparse vector method and a new fault solution method, the pebs and eeac methods of power system analysis software package ( psasp) are improved.

应用稀疏矢量技术和新的故障算法改进了电力系统分析综合程序（PSASP）中已有的PEBS和EEAC直接法计算程序。

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7、

above-mentioned applications show that wams offers new viewpoints and solutions to many problems in power system analysis and control, so the further research on applications of wams in power systems is worth much.

通过这些应用可以看到，WAMS给电力系统分析与控制提供了新的视角和解决方法，值得深入研究。

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8、

short-circuit module ( sc) in power system analysis software package ( psasp) is one of the most widely used programs for the calculating of short-circuit in china.

《电力系统分析综合程序》（PSASP）中的短路计算模块（SC），是我国电力系统广泛采用的短路计算程序。

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9、

park transformation has important theoretical and practical values in analysis and calculations of the electric power system. by means of general phase and coordinate transformation, this paper presents park transformation directly from three-phase unbalance system in theory.

在电力系统分析和计算中，park变换具有重要的理论和实际意义，直接从三相非平衡系统出发，借助通用相量的概念，通过坐标变换，从理论上得出了三相非平衡系统的park变换。

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10、

network topology is the basis of power system analysis software and it is also the kernel of visualized ems to establish network topology by visualized method.

网络拓扑是电力系统分析软件的基础，而采用可视化的方法实现网络拓扑的建立则是可视化能量管理系统（EMS）的核心。

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11、

simulate the model of the practice system operation based on beijing grid and the trait of bpa.

根据北京电网的现状以及BPA电力系统分析软件的功能构建一种能够模拟实际系统运行的PV曲线求取模型。

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12、

matlab and visual software package used for power system analysis

MATLAB与可视化的电力系统分析软件包

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13、

power system analysis toolbox based on matlab and its flow calculation

基于Matlab的电力系统分析工具包及其潮流计算

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14、

as a chaplain in a university residence hall, i am supposed to uphold all of the school rules, which include a ban on pets.

作为大学学校宿舍的一个管理员，我应该维护学校规定，其中包括禁止宠物。

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15、

from the angles of the system construction, the students' independent management, and dormitory administrator, school management, the paper puts forward the existing problems, and gives the corresponding countermeasures based on the problems.

从制度建设、学生自主管理、宿舍管理员角度、学校管理层角度提出存在的问题。并从发现的问题出发，给出相应的对策。

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16、

dorm administrators have emailed students about the shooting and asked them to cooperate with police.

宿舍管理员已电子邮件告知全体学生这起枪击事件，并要求他们配合警方。

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17、

current situations of and measures for student dormitory superintendent team in colleges and universities

高校学生宿舍管理员队伍的现状与对策

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18、

and you've spoken to your house master?

你和你的宿舍管理员说了这件事吗？

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19、

examination and analysis of urine drained with different methods

不同尿液引流方法的尿液检查分析

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20、

analysis of a series of renal functional test, special methods and clinical study, showed the possibility of prenatal diagnosis and the necessary of early treatment of congenital urological deformities.

通过临床所见，尿液系列肾功能检查及特殊肾功能检查结果进行对比分析。结果表明先天性泌尿系畸形产前诊断是可能的，早期治疗是必要的，并提出了早期手术的指征。

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