1) power flow and short circuit current calculation
潮流及短路计算
2) flow and short circuit calculation
潮流和短路电流计算
1.
This system not only includes flow and short circuit calculation but also provides necessary parameter and model for the research of complex fault calculation.
针对电力网络结构复杂、系统数据维护困难等特点,设计并开发出一套基于地理信息系统(GIS)组件—MapObjects的可视化电力系统计算软件,该软件集潮流和短路电流计算于一体,并为电力系统复杂故障计算的扩展提供必要的参数和模型。
3) short circuit current calculation
短路电流计算
1.
Presents a method calculating the short circuit current for multi nodal points power supply system,uses such theories as local nodal points substitution method to reasonably simplify the substitutional circuit of multi nodal power supply network,thus mathematical model for short circuit current calculation is simplified and the calculating accuracy is improve
介绍多节点供电系统短路电流计算的方法 ,研究运用局部节点等值法等原理合理地化简多节点供电网络等值电路 ,简化了短路电流计算的数学模型 ,提高了计算精度。
2.
A newly visual short circuit current calculation approach in terms of geographical information system (GIS) is proposed in distribution system.
介绍了一种基于地理信息系统(GIS)的配电网可视化短路电流计算方法,实现了GIS与短 路电流算法的有效结合,避免了用户手动建模的繁琐工作。
3.
The short circuit current calculation is needed for choosing of electrical equipment and current carrying conductors, relay setting and automation, confirmation of the short circuit current limiting method.
电气设备和载流导体的选择、继电保护、自动化装置的装定、限制短路电流措施的确定都需要进行短路电流计算。
4) short-circuit current calculation
短路电流计算
1.
Creation of the database for short-circuit current calculation demands that the creators should have a systematic and full understanding of the electrical system,and it is a heavy job to analyze the relation among various data and acquire them quickly and accurately to serve operation.
建立短路电流计算数据库,需要对电网进行系统、全面的认识和了解,分析各项参数之间的联系,快速准确地获取所要数据并进行操作。
2.
Taking the East China Power Grid as an example,the bad influence that the defects may exert on power flow calculation and short-circuit current calculation is assessed,and the influence mechanism is analyzed.
以华东电网为例,评估了修正前可能给潮流计算和短路电流计算结果带来的影响,分析了其影响机理,据此,对工程实际中的仿真计算提出了建议。
3.
The basic circumstance and solution of short-circuit current calculation in power system has been analyzed and at the same time short-circuit current calculation has been classified into the balanced one and the unbalanced one.
分析了电力系统短路电流计算的基本情况和方法,对对称短路电流计算和不对称短路电流计算分别予以介绍。
5) short-circuit calculation
短路电流计算
1.
Re-creation and flexibility of user graphic interface in traditional short-circuit calculation system can not match the development of power plant very well.
提出了一种基于Delphi中VCL体系架构和数据库的柔性图形界面短路电流计算系统设计方案,旨在探讨该计算系统在可重构性、灵活性等方面需达到的目标,并分析了其中类的封装,对象的管理,图形界面的实现等一些关键问题的解决方法。
2.
This paper mainly discussed on short-circuit calculation in power system Management Information System (MIS).
详细讨论了短路电流计算功能集成于电力局管理信息系统过程中遇到的主要问题，针对管理信息系统数据库的特点，采用了多端口网络的思想对电力网络进行了分析和描述，建立了数据库数据模型与短路电流计算数据模型的映射关系，并给出了相应的短路电流计算方法。
3.
The article introduces the method of short-circuit calculation for high-voltage electrical system powered from shore in fixed offshore unit,and calculating methods of alternative high-voltage power in offshore,the large motor in electrical system and equivalent motor are proposed.
本文介绍了在岸上供电的海上固定设施高压电力系统中,短路电流计算的方法,提出了对岸上交流高压电源、电力系统中的大电动机、等效电动机在计算中的处理方法。
6) short circuit calculation
短路电流计算
1.
According to the principle of short circuit calculation for distribution network, the distribution network topology analysis and short circuit calculation are designed and implemented in this paper, and the implementation is based on the object-oriented technique.
根据配电网短路电流计算的基本原理 ,按面向对象技术设计并实现了配电网拓扑分析和短路电流计算。
2.
According to the feature of distribution network structure, a practical short circuit calculation method based on fault current compensation and actual phase sequence presentation is put forward.
该算法不需要根据故障类型确定三序网 ,能够处理三相对称及不对称配电系统的各种类型的短路电流计算 ,计算过程简单 ,易于在计算机上实现。
3.
In accordance with the characteristics of the distribution system s,this paper proposes a short circuit calculation approach based on the superposition theorem for the distribution networks.
所提出的方法采用 abc三相模型 ,克服了传统的对称分量法应用于配电网短路电流计算所遇到的困难。
补充资料：短路电流计算
短路电流计算
short circuit calculation
4种‘本姐.故陈姐.电旅位┌────┬───────────────┬─────────────┬─────────────┬────────────┬────┐│故阵类纽│正序电流 │负序电流 │零序电流 │边界条件方粗 │各注 │├────┼───────────────┼─────────────┼─────────────┼────────────┼────┤│三相姐路│巴一U“，、 │I‘(:)，0 │I‘(o)=0 │I‘(2)=I‘(o)=0 │负序网和││ │I‘亡、、---胃r‘二‘‘‘ │ │ │姚(1)一0 │攀序网无││ │ ‘日‘1) │ │ │ │ 作用 │├────┼───────────────┼─────────────┼─────────────┼────────────┼────┤│两相短路│;一火(1) │I‘(2)=一I‘(1) │I‘(o)=0 │I‘(一)+I‘(:)=0 │攀序网 ││ ├───────────────┤ │ │I‘(o)二O │无作用 ││ │“(1)一Z“(1)+几(:) │ │ │几(1)=叽(:) │ │├────┼───────────────┼─────────────┼─────────────┼────────────┼────┤│两相接 │:一口‘‘，、 │七巴艺Z‘‘ │巴巴艺2二 │I‘(l)+I‘(2)+I‘(o)二0 │ ││地姐路 │I‘rl、=，二~~~一，尸-二吮二尸│l“‘，，一才““，五蕊丁 │I“‘o，=一才“，’甄二丽 │U‘(z)=U‘(2)=U‘(o) │ ││ │ ‘“(1)十占‘“ │ │ │ │ ││ │，，Z“(2)Z“(o) │ │ │ │ ││ ├───────────────┤ │ │ │ ││ │~“一乙(:)+几(o) │ │ │ │ │├────┼───────────────┼─────────────┼─────────────┼─────
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