Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95最新文献_第2页

Management of inventory to reduce outages in supply feeder 管理库存，减少供应中断

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500729

W. Mielczarski, M. Khan, L. Sugianto

引用次数: 5

Harmonic level control schemes and evaluation methods in power system 电力系统谐波电平控制方案及评价方法

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500716

C. Chang, K. Lock, Fan Wang, A. Liew

引用次数: 3

Solution to capacitor placement problem in a radial distribution system using tabu search method 用禁忌搜索法求解径向配电系统中电容器的布置问题

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500758

Hong-Tzer Yang, Yann-Chang Huang, C. Huang

引用次数: 47

Parallel implementation of predictor-corrector methods for power system transient characteristic studies 电力系统暂态特性研究中预测校正方法的并行实现

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500711

Cheng-Tsung Liu, Tzeng-Shong Yeh

引用次数: 0

Fault diagnosis of electrical power systems using incremental radial basis function nets 基于增量径向基函数网的电力系统故障诊断

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500788

T.N. Nagabhushana, H.S. Chandrasekharaiah

{"title":"Fault diagnosis of electrical power systems using incremental radial basis function nets","authors":"T.N. Nagabhushana, H.S. Chandrasekharaiah","doi":"10.1109/EMPD.1995.500788","DOIUrl":"https://doi.org/10.1109/EMPD.1995.500788","url":null,"abstract":"Most of the proposed neural networks for fault diagnosis of systems are multilayer perceptrons (MLP) employing the popular backpropagation (BP) learning rule. It has been shown that the backpropagation algorithm usually takes a long time for convergence and sometimes gets trapped into local minimum. The algorithm requires the architecture to be fixed initially (i.e. the number of hidden units) before learning begins. Final network size is obtained by repeated trials. When the size of the training set is large, especially in the case of fault diagnosis, such a repeated training consumes a large amount of time and sometimes it can be frustrating. Thus there is a need of a good neural network architecture that decides its size automatically while learning the input/output relationships and must posses reasonably good generalization. Neural networks based on radial basis functions (RBF) have emerged as potential alternatives to MLPs. RBFs have a simple architecture and they can learn the input/output relations fast compared to MLPs. In this paper we present a constructive neural network based on radial basis functions (RBF) due to Fritzke for classification of fault patterns in a model power system. The performance of this neural network with traditional BP network and nonconstructive RBF network in terms of size, learning speed and generalization are presented.","PeriodicalId":447674,"journal":{"name":"Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129938785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Modeling relay operational characteristics using electromagnetic transients program 利用电磁瞬变程序对继电器的工作特性进行建模

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500812

T. Chan, K. M. Chua, K. T. Lim

引用次数: 0

KEPCO 765 kV transmission system development: corona and electric field effects studies 韩国电力765kv输电系统开发:电晕和电场效应研究

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500740

J. Kim, D. Lee, K. Shin, Kwang-ho Yang, Hee Sung Ahan, J. Koo

{"title":"KEPCO 765 kV transmission system development: corona and electric field effects studies","authors":"J. Kim, D. Lee, K. Shin, Kwang-ho Yang, Hee Sung Ahan, J. Koo","doi":"10.1109/EMPD.1995.500740","DOIUrl":"https://doi.org/10.1109/EMPD.1995.500740","url":null,"abstract":"This paper describes corona and electric field effects studies of a 765 kV double circuit test line. In Korea there are many mountains and it is very difficult to get the right of way because the population density is very high and the territory is small. So Korea Electric Power Corporation (KEPCO) decided to build one double-circuit 765 kV line of vertical arrangement configuration instead of two single-circuit 765 kV lines of horizontal configuration. Corona performance on several candidate conductor bundles has been investigated with a corona cage since 1984 by KEPRI. We have known that a bundle of 6-Rail (29.61 mm) conductors per phase is the optimum and its audible noise (AN) level L/sub 60/ in the corona cage was measured as 45.0 dB(A) in GE method. To investigate the electrical environmental impact of the future commercial line with this conductor bundle, KEPRI built a full scale 765 kV test line in 1993 as the second step study. Long-term measurements have been made in this double-circuit test line. We have found that the AN data were very close to that predicted by BPA Corona and Field Effects computer program, however, the RI data in fair weather was higher than the predicted by the BPA program by 2.4 dB (/spl mu/V/m). AN L/sub 60/ in foul weather is below 50 dB(A). We think the 6-Rail conductor bundle is the optimum size in the 765 kV double-circuit transmission line from the environmental view-point.","PeriodicalId":447674,"journal":{"name":"Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125107274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Some considerations on transmission services concerning optimizing wheeling parties' benefits 输电服务中轮转方利益优化的若干思考

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500694

S.P. Zhu

引用次数: 2

An application of ANN in scheduling pumped-storage 人工神经网络在抽水蓄能调度中的应用

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500705

L. Ruomei, Chen Yunping, Guo Jianbo

{"title":"An application of ANN in scheduling pumped-storage","authors":"L. Ruomei, Chen Yunping, Guo Jianbo","doi":"10.1109/EMPD.1995.500705","DOIUrl":"https://doi.org/10.1109/EMPD.1995.500705","url":null,"abstract":"An artificial neural network (ANN) based optimization method in scheduling pumped-storage is proposed in the paper. Short-term scheduling as well as real-time dispatch of a pumped-storage station is a constrained optimization problem. It becomes more complicated when coordinated with other generation resources. The computation time is often long and the operation conditions may change unpredictably. A fast and practical way is expected. The ANN is used as a signal processing device, which represents mapping functions from input space to output space. Through a training process, multi-layered feedforward and neural networks can be used to approximate the continuous functions with a given accuracy and real-time solution can be achieved. In this paper three layer feedforward ANN and improved BP algorithm are adopted to solve the problem of pumped-storage scheduling. A set of ANN training data are obtained by running an optimization software. The paper describes how to select and organize the input data and how to train the ANN. A work example is presented and a comparison with traditional method is made. It shows that a fast and accurate solution for pumped-storage scheduling can be achieved with ANN.","PeriodicalId":447674,"journal":{"name":"Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115311546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

A study on the fault indentification of underground cable using neural networks 基于神经网络的地下电缆故障识别研究

Proceedings 1995 International Conference on Energy Management and Power Delivery EMPD '95 Pub Date : 1995-11-21 DOI: 10.1109/EMPD.1995.500790

Chul-Hwan Kim, Y. Lim, Woo-Gon Chung, Tae-Won Kwon, Jong-young Hwang, I. Kim

引用次数: 9