Proceedings. National Power Engineering Conference, 2003. PECon 2003.最新文献_第3页

An approach to Pspice-aided control loop design of DC-DC converter systems 直流-直流转换器系统的 Pspice 辅助控制回路设计方法

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437430

N. D. Muhamad, A.J. Shafie

引用次数: 7

Integration of solid-state lead-lag VAr compensator and self-excited induction generator for low cost power generation 低成本发电中固态超前滞后无功补偿器与自激感应发电机的集成

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437441

P. Khan, J. K. Chatterjee

引用次数: 5

Development of expert system as an evaluation tool for photovoltaic power supply 光伏供电评估专家系统的开发

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437460

M. Shawal, S. Taib

引用次数: 1

Design optimization of 3-phase converter fed DC series motor 三相变换器直流串联电动机的优化设计

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437431

K. Rao

{"title":"Design optimization of 3-phase converter fed DC series motor","authors":"K. Rao","doi":"10.1109/PECON.2003.1437431","DOIUrl":"https://doi.org/10.1109/PECON.2003.1437431","url":null,"abstract":"This paper presents the design optimization of a 3-phase, 6-pulse converter fed DC series motor for minimum material cost using non linear programming (NLP) technique. A mathematical model with 16 design variables, some of them representing the physical dimensions of the motor, is formulated. An octagonal frame for the yoke and poles, nonlinearity of the magnetic circuit, compensating winding in the pole faces and inter-pole winding are considered for the design. Some of the important constraints such as maximum reactance voltage of the commutating coil, maximum voltage between commutator segments, minimum clearance between the main field and inter-pole windings, ratio of torque to moment of inertia of armature, pulse duty factor with reference to armature current, efficiency of the motor etc., are imposed. The design analysis program includes armature circuit inductance calculations, harmonic currents due to rectified voltage, additional losses due to flux pulsations in the armature and magnetic circuit, skin effect in armature and inter-pole winding conductors. The design problem is converted into a sequence of unconstrained minimization problems by Zangwill's exterior penalty function method and Powell's minimization technique is applied to minimize the active material cost of a 150 h.p., 550 volts, 4-pole, 1500 r.p.m. DC series motor fed from a 6-pulse, 3-phase bridge converter. The effect of source impedance and of the triggering angle of the converter on the optimal solution is discussed. At the optimal solution, the torque and speed pulsations of the motor are investigated.","PeriodicalId":136640,"journal":{"name":"Proceedings. National Power Engineering Conference, 2003. PECon 2003.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2003-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131382901","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: 0

A case study of voltage sag analysis in a utility distribution system 电力配电网电压暂降分析实例研究

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437468

N.A. Bakar, A. Mohamed, M. Ismail

引用次数: 5

Development of three phase synchronous generator for ocean wave application 海浪用三相同步发电机的研制

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437454

C.S. Hoong, S. Taib

引用次数: 3

Fabrication and testing of linear electric generator for use with a free-piston engine 用于自由活塞发动机的直线发电机的制造和试验

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437457

W. Hew, J. Jamaludin, M. Tadjuddin, K. M. Nor

引用次数: 9

Soft computing tools for protection of compensated network 用于补偿网络保护的软计算工具

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437416

P. Dash, M. V. Chilukuri

{"title":"Soft computing tools for protection of compensated network","authors":"P. Dash, M. V. Chilukuri","doi":"10.1109/PECON.2003.1437416","DOIUrl":"https://doi.org/10.1109/PECON.2003.1437416","url":null,"abstract":"This paper presents a soft computing tool namely the fuzzy neural network (FNN) based distance relaying of a transmission line operating with a thyristor controlled series capacitor (TCSC) protected by MOVs. The FNN structure is seen as a neural network for training and the fuzzy viewpoint is utilized to gain insight into the system and to simplify the model. The number of rules is determined by the data itself and therefore, a smaller number of rules is produced. The network is trained with back propagation algorithm with a pruning strategy to eliminate the redundant rules and fuzzification neurons resulting in a compact network structure. The classification and location tasks of the relay are accomplished using different FNNs. Once the fault type is identified by the classifier the selected FNN-locator estimates the location of the fault accurately. The networks make use of fundamental currents and voltages at the relay end, sequence components of current, system frequency and the firing angle of the TCSC to derive the trip decision. The superior capability of the strategy is adjudged through test results for different situations of power system including high resistance in the fault path.","PeriodicalId":136640,"journal":{"name":"Proceedings. National Power Engineering Conference, 2003. PECon 2003.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2003-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133845191","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

Effect of radio frequency interference (RFI) due to high switching frequency of inverter on temperature sensor 逆变器高开关频率对温度传感器射频干扰的影响

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437422

S. Voon, J. Kong, R. Gobbi

引用次数: 1

Simulation of a regular sampled pulsewidth modulation (PWM) technique for a multilevel inverter 多电平逆变器规则采样脉宽调制(PWM)技术的仿真

Proceedings. National Power Engineering Conference, 2003. PECon 2003. Pub Date : 2003-12-15 DOI: 10.1109/PECON.2003.1437434

M. S. Bakar, N. Azli

引用次数: 8