电力变压器
- 网络power transformer
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Y,yn三相芯式电力变压器零序参数测定方法
Measuring Methods on Zero-sequence Parameters of γ - y_u-connected Three-phase Core-type Power Transformer
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基于WINDOWS环境电力变压器CAD系统研究
A Study of Power Transformer CAD System Based on WINDOWS
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电力变压器中树状放电识别的BP网络法
Tree Discharge Recognition in Power Transformer Using BP Network Method
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电子电力变压器(ElectronicPowerTransformer,EPT)是一种新型变压器。
Electronic Power Transformer ( EPT ) is a new type of transformer .
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电力变压器一体化CAD系统研究
Research on integrative CAD system for transformer
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基于GPRS通信技术的电力变压器监测管理系统
Transformer monitor and management system based on GPRS technology
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基于ANSYS的电力变压器铁芯磁场与漏磁场分布的仿真研究
Study on Simulation of the Core Magnetic Field and Leakage Field in Power Transformer Based on Ansys
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基于HMM的电力变压器故障诊断系统软件设计与实现
Design and Realization of HMM-based Power Transformer Fault Diagnosis System Software
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基于COM的电力变压器模糊诊断系统
COM-Based Power Transformer Fuzzy Diagnostic System
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一种新型的无油和对环境无影响的电力变压器&Dryformer~(TM)
A New Oil-Free Power Transformer with Low Environmental Impact : Dryformer ~ ( TM )
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电力变压器UHF局部放电在线检测
Site Detection and Measure for Partial Discharge of Electric Power Transformer based on UHF
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S9系列电力变压器空载损耗与其容量的关系
Relationship between No-load Loss and Capacity of S9 Series Power Transformer
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利用COM和模糊技术开发了电力变压器故障模糊检测和辨别模块,在此基础上设计了模糊诊断系统。
The modules for power transformer fault detection and identification are developed with COM and fuzzy technology . Based on the modules , the fuzzy diagnostic system is design .
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为提高短路阻抗计算精度,采用磁场&电路耦合法建立了电力变压器2D轴对称磁场有限元模型以方便得到输入、输出间的对应关系。
2D axis-symmetrical FEM model is presented for power transformer . The impedance voltage and short-circuit impedance of transformer is calculated based on the analysis of distribution of leakage field .
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一台220kV电力变压器铁心故障的分析与处理
Analysis and Handling of Core Fault for A 220 kV Power Transformer
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安装500kV电力变压器绝缘油的处理
Treatment to Electrical Insulation Oil during Erection of 500 kV Electric Power Transformer
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直流偏磁条件下电力变压器铁心B-H曲线及非对称励磁电流
B-H Curve Based on Core and Asymmetric Magnetizing Current in DC-Biased Transformers
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基于改进PSO-BP混合算法的电力变压器故障诊断
Power transformer fault diagnosis based on improved PSO - BP hybrid algorithm
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以电力变压器出厂试验为例,从硬件和软件两方面作了具体阐述,并详述了CAT技术中的数据管理及测试诊断。
Taking example for power transformer 's delivery test , the two aspects of software and hardware are expatiated in detail . Besides , this paper narrates the data management and testing diagnose in CAT technology .
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220kV高阻抗电力变压器设计新方案
New Design of 220 kV High Impedance Power Transformer
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500kV变电站大型电力变压器长期急救周期性负载运行的探讨
Study about Long-term Periodical Emergent Overload Operation of Large Power Transformer in 500 kV Substation
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并基于风险树分析法(RTA),建立电力变压器故障风险源指标集。
On the basis of brief introduction to risk tree analysis ( RTA ) knowledge it established source of power transformer failure risk index .
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概述了局部放电超高频检测方法的发展及其在GIS和电力变压器中的应用现状,简要介绍了超高频局部放电检测系统的构成,着重对不同层次的超高频检测法的标定进行了阐述。
This paper outlines the application status of partial discharge UHF detection for GIS and power transformers , and construction of the UHF PD-detection system mainly used now are simply introduced . Calibration methods for UHF signal detection system are expounded from different levels .
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电力变压器数据信息具有不完备、不确定性的缺点,而贝叶斯网络有知识表达灵活、分析处理不确定性与关联性问题能力强的优点,本文提出一种基于Multi-Agent的变压器故障诊断模型。
Due to the shortcomings of the randomness and uncertainty of power transformer fault diagnosis data , the benefits of the Bayesian network classifiers and the features of multi-Agent , this paper introduces a multi-Agent system diagnosis model .
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电力变压器属电力系统中的重要设备,目前油中溶解气体分析(DGA)的三比值法是对变压器进行故障诊断的最方便、有效的方法之一。
Power transformer is very important in power system . Now , dissolved gas analysis ( DGA ) is the most effective and convenient method in transformer fault diagnosis .
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介绍了电力变压器故障诊断的人工神经网络法(ANN),提出了人工神经网络的模块化结构,并用具体实例说明了ANN对变压器内部潜伏性故障作出早期诊断的可行性和有效性。
The Artificial Nerval Network ( ANN ) method for transformer fault diagnosis is introduced . The module structure of ANN is pointed out . Its feasibility and availability of ANN for primary diagnosis of transformer early hidden faults are explained by some examples .
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电力变压器故障诊断管理系统(TFDES)的研制对变压器、电力系统的安全运行意义重大。
Development of TFDES ( system for power transformer fault diagnosis and management ) is important for power system reliability .
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讨论了电子电力变压器(EPT)的并联运行问题。
Electronic power transformer ( EPT ) is significantly different from the conventional transformer and it is of its own features when it is connected with other EPT in parallel .
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本文介绍电力变压器故障诊断专家系统TFDES的原理与结构。以气相色谱法为主,TFDES综合运用各种故障检测的知识判断故障性质;
For the diagnosis of defects in transformers , TFDES makes inference mainly based on gas chromatography together with several other fault detection methods comprehensively .
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从系统整体方案、参数选取和故障诊断思路等方面介绍了大型电力变压器智能化监测系统,它基于intranet网络框架,采用客户/服务器结构,具备远程监控功能。
The design scheme , the parameters selection and diagnostic thought of the intelligent monitoring system for power transformer are introduced in this paper . Based on the frame of intranet network , the system adopts client / server structure , and a remote monitoring function is included .