[1] | B. Vahidi, M. Shafiee, and M. Mahmoodan, " Differential Evolution Algorithm Approach to Design of an Optimal Active Power Controller for AC-DC Transmission Systems ", DRPT 2008, Nanjing, China, 6-8 April, 2008 |
[2] | B. Vahidi, N. Ghaffarzadeh and S. H. Hosseinian, " Evaluation of a New Algorithm for High Impedance Fault Identification Based on Discrete Wavelet Transform and Artificial Neural Network", DRPT 2008, Nanjing, China, 6-8 April, 2008 |
[3] | P. Hasanpor Divshali, B. Moradzadeh, S. H. Hosseinian and B. Vahidi, "Modified Indices for Accurate Prediction of HOPF Bifurcation in Power Systems", DRPT 2008, Nanjing, China, 6-8 April, 2008 |
[4] | P. Hasanpor Divshali, S. H. Hosseinian, E. Nasr Azadani and B. Vahidi, "Modified Fast Indices for Prediction of HOPF Bifurcation by Matrix Reciprocal Condition Number", DRPT 2008, Nanjing, China, 6-8 April, 2008 |
[5] | M. Jannati, B. Vahidi, S. H. Hosseinian and H. R. Baghaee, " A New adabtive Single Phase Auto-Reclosure Scheme for EHV Transmission Lines", MEPCON 2008, Aswan Egypt, 12-15 March, 2008 |
[6] | A. H. Ranjbar, B. Abdi, G. Gharepetian and B. Vahidi, "Effect of Paralleling Switches on Reduction of Reliablity of Fuel Cell DC-Dc Converters", APEC 2008, Austin, Texas, USA, 24-28 Feb., 2008 |
[7] | M. Jannati, B. Vahidi, S. H. Hosseinian and H. R. Baghaee, " A New adabtive Single Phase Auto-Reclosure Scheme for EHV Transmission Lines", MEPCON 2008, Aswan Egypt, 12-15 March, 2008 |
[8] | M. Jannati, B. Vahidi, S. H. Hosseinian and H. R. Baghaee, "A new Adaptive Single Phase AutoreclousureScheme fo HV Transmission Lines", Power Systems Protection & Control Conference, Tehran, Iran, 7-9 Jan, 2008 |
[9] | N. Ghaffarzadeh, B. Vahidi and S. H. Hosseinian, "A new Method to High Impedance Fault Detection Using Wavelet Transform and Artificial Neural Network", 22nd International Power System Conference (PSC 2007), Tehran, Iran, 19-21st Nov., 2007 |
[10] | M. R. Bank Tavakoli, H. Eisazadeh, G. R. Riahi and B. Vahidi, "The Effect of Wind Farm Connection in Vicinity of Steam Power Plants on Turbine-Generator Torsional Model Oscillations", 22nd International Power System Conference (PSC 2007), Tehran, Iran, 19-21st Nov., 2007 |
[11] | R. Shariatinasab, B. Vahidi, S. H. Hosseinian, M. Sedighizadeh, " Selection of Station Surge Arresters Based on the Evaluation of Failure Probability Using Artificial Neural Networks",42nd UPEC, Brighton, UK, 4-6 Sept. 2007 |
[12] | S. H. Hosseinian, E. Nasr Azadani, B. Vahidi, "Simulation of nonlinear elements within the framework of time domain", IEEE PES PowerAfrica 2007, Johanneswburg, South Africa, 16-20 July 2007 |
[13] | S. H. Hosseinian, B. Vahidi, "Transformer no-load current wave shape considering core loss", TENCON 2007, Taipei, Taiwan, 30 Oct-2 Dec. 2007 |
[14] | B. Vahidi, Senior member, IEEE, M. Janati, S. H. Hosseinian, " Comparison Between Different Models During Short Circuit Interruption Test of Circuit Breaker", TENCON 2007, Taipei, Taiwan, 30 Oct-2 Dec. 2007 |
[15] | B. Vahidi, Alizadeh Mousavi, S. H. Hosseinian, " Lightning Overvoltage Analysis in Wind Farm", TENCON 2007, Taipei, Taiwan, 30 Oct-2 Dec. 2007 |
[16] | B. Vahidi, E. Goodarzi, S. H. Hosseinian, M. R. Bank Tavakoli, " Effect of Transient Model of Arrester on Transient Recovery Voltage", TENCON 2007, Taipei, Taiwan, 30 Oct-2 Dec. 2007 |
[17] | M. R. Bank Tavakoli, B. Vahidi, and S. H. Hosseinian, " A Discrete-Event Simulation to Evaluate Shielding Failure Risk of Flashover of an Arrester Protected Overhead Line", ISH 2007, Ljubljana, Slovenia, 27-31Aug. 2007 |
[18] | B. Vahidi, M. Ghorat and E. Goudarzi, " Overvoltage Calculation on Bam Substation by Monte Carlo Method with Accurate Substation Components Modeling", Power Tech 2007, Lausanne, Switzerland, 1-5 July, 2007 |
[19] | M. Ghorat, B. Vahidi, E. Goodarzi, Satistical analysis of overvoltage on high voltage substations due to lightning by Monte Carlo method", ICEE 2007, Tehran, Iran, May 2007 |
[20] | J. Beiza, S. H. Hosseinian, B. Vahidi, " Design of digital flicker meter according to IEC 868", ECT 2007, Kaunas, Lithuania, 3-4, May 2007 |
[21] | B. Vahidi, M. Ghorat, E. Goodarzi, " Comparing voltage control and current control switches in modeling of flash on insulator string", ECT 2007, Kaunas, Lithuania, 3-4, May 2007 |
[22] | B. Vahidi, J. Merikhi, F. Shishehgar, " Induced current in the brain of embryo due to short circuit current of power system", ECT 2007, Kaunas, Lithuania, 3-4, May 2007 |
[23] | B. Vahidi, M. Shafiee, S. H. Hossenian, S. Jazebi, " Comparison between operating characteristics of ZnO arrester models", ECT 2007, Kaunas, Lithuania, 3-4, May 2007 |
[24] | B. Vahidi, S. Jazebi, S. H. Hossenian, M. Shafiee, " Disk to disk fault diagnosis during impulse testing by using wavelet transform", ECT 2007, Kaunas, Lithuania, 3-4, May 2007 |
[25] | B. Vahidi, Sh. Farokhi, " Electromagnetic Interference on Measuring Equipments of HV Substation Due to Switching", CIGRE 2007, Zagreb, Croatia, 18-21 April 2007 |
[26] | S. H. Hosseinian, B. Vahidi, " Development of a general circuit orinted program for linear network analysis", ICMSAO 2007, Abu Dhabi, UAE, 24-27 March 2007 |
[27] | B. Vahidi, J. Merikhi, F. Shishehgar, " Induced Current In The Brain of Embryo Due To High Frequency Magnetic Field", ICMSAO 2007, Abu Dhabi, UAE, 24-27 March 2007 |
[28] | H. M. Bidhendi, S. H. Hosseinian and B. Vahidi, "Design and construction of passive current equalizer for self exciting induction generator", PSC 2006, Tehran-Iran, 2006 |
[29] | S.H Hosseinian, B. Vahidi and J. Bieza, "Frequency Dependent Network Equivalents for Harmonic and Transient Studies", IEEE TENCON 2006, Hong Kong, 2006 |
[30] | B. Vahidi, M.R.Bank Tavakoli, G.B.Gharehpetian and S. H. Hosseinian, "An Algorithm for Evaluating Inrush Current in Transformers Using Jiles-Atherton Theory of Ferromagnetic Hysteresis", IEEE TENCON 2006, Hong Kong, 2006 |
[31] | F. Badrkhani and B. Vahidi, "Reducing the Switching Overvoltages in the Electric Arc Furnance System", TPE 2006, Ankara-Turkey, 2006 |
[32] | B. Vahidi, F. Badrkhani and S. H. Hosseinian, "Harmonic Elimination and Flicker Compensation Methods for Improving EAF Operation", ECT2006, Kaunas, Lithuania, 2006 |
[33] | B. Vahidi, I. Rahimi Poordanjani and S. H. Hosseinian, "Performance Analysis of Capacitive Divider Substation", ECT2006, Kaunas, Lithuania, 2006 |
[34] | B. Vahidi, S. Ghahghahehzadeh, " Study of SVC's Fire Angle Variation to Enhance Capacitor Insulation Life-time Against Network Imposed Harmonics", IEEE/INMIC 2005, Pakistan |
[35] | B. Vahidi, Sh. Farokhi, " Electromagnetic Field Inside the Building Due To Lightning Stroke", IEEE/INMIC 2005, Pakistan |
[36] | M. Mohammadi, B. Vahidi, " Model of Corona for Transient Study" IEEE TENCON 2005, Australia |
[37] | Sh. Farokhi, B. Vahidi, " Deicing of Medium Voltage Power Transmission Lines by Joule Heating Method, IWAIS XI, June 2005, Montreal, Canada |
[38] | B. Vahidi, R. Shariati Nasab, Sadeghi, K. Rahemifar, "Computation of Currents and Losses in the Shield of Cables", IEEE Power Tech 2005, Russia |
[39] | B. Vahidi, M. R. Tavakoli, H. Hashemifar, K. Rahemifar, " Transient in the Operation of Induction and Synchronousd Motors with Vaccum Switches", IEEE Power Tech 2005, Russia |
[40] | B. Vahidi, R. Shariati Nasab, S. Ghahghahehzadeh, E. Abedi, " Ferroresonant Overvoltage Investigation in Wye-Wye Transformers on Transmission System by Using MATLAB", 9th CHILE 2005, Spain |
[41] | B. Vahidi, R. Shariati Nasab, S. Ghahghahehzadeh, A. Khaniki, " Modelling of Lightning Transient Overvoltage Using Different Models of Grounding System", 9th CHILE 2005, Spain |
[42] | B. Vahidi, K. Poorhosseni, S. A. Kashi, S. H. Hosseinian "Overvoltage on HVDC Line Due to Firing Angle aqnd Line Length", IEEE/PES 2005, China |
[43] | B. Vahidi, R. Shariati Nasab, J. Sh. Moghani, S. H. Hosseinian " Three Dimensional Analysisd of Electric Field and Voltage Distribution on ZnO Surge Arrester with Broken Shed", IEEE/PES 2005, China |
[44] | B. Vahidi, M. Amiri, "Analyzing the Protection Behaviour of long flashover arrester by ATP", ISH 2005, China |
[45] | B. Vahidi, R. Shariati Nasab, J. Sh. Moghani, " Analysis of Electric Field and Voltage Distribution on ZnO Surge Arrester for Pulloted Condition", ISH 2005, China |
[46] | S. M. H. Hosseinini, G. B. Gharepatian, B. Vahidi, "Efficiency of Closing Resistor for limitting VFTO in IPC Transformer Winding", 19th International Power System Conference (PSC 2004), Tehran, Iran, 22-24 Nov., 2004. |
[47] | B. Vahidi, S. Taghipour, S. A. Kashi, "Application of Charge Simulation Method to Compute the Ion Flow Uder HVDC Lines", 2nd IEEE GCC 2004, Nov. 23-25, 2004, Manama, Bahrain |
[48] | B. Vahidi, Gh. Rassuly H., S. H. Hosseinian, "Effects of Different Parameters on Transformer Oil Electrification", IEEE Tencon 2004, Nov. 21-24, 2004, Chiang Mai, Thailand |
[49] | B. Vahidi, R. Shariati Nasab, J. S. Moghani, S. H. Hosseinian, "Electric Field and Voltage Distribution on ZnO Surge Arrester", IEEE Tencon 2004, Nov. 21-24, 2004, Chiang Mai, Thailand |
[50] | B. Vahidi, R. Shariati Nasab, J. S. Moghani, K. Raahemifar, "Analysis of Heat Distribution in ZnO Surge Arrester", WSEAS International Conference on Power Engineering Systems, Oct. 12-15 , 2004, Rio de Janeiro, Brazil |
[51] | B. Vahidi, R. Shariati Nasab, J. S. Moghani, K. Raahemifar, "Computation of Capacitance Network of ZnO Surge arrester by Finite Element Method", WSEAS International Conference on Power Engineering Systems, Oct. 12-15 , 2004, Rio de Janeiro, Brazil |
[52] | B. Vahidi, M. Mardaneh, K. Raahemifar, "Overvoltages Due to Switching of Capacitors Bank in Distribution System", WSEAS International Conference on Power Engineering Systems, Oct. 12-15 , 2004, Rio de Janeiro, Brazil |
[53] | B. Vahidi, R. Shariati Nasab, J. S. Moghani, K. Raahemifar, "Effects of Grading rings and spacers on potential distribution of ZnO Arrester", WSEAS International Conference on Power Systems and Electromagnetic Compatibility, Sept. 14-16, 2004, Izmir, Turkey |
[54] | B. Vahidi, M. Kosari, K. Raahemifar, "Effects of Switched Capacitors on Adjustable Speed Derive Systems", WSEAS International Conference on Power Systems and Electromagnetic Compatibility, Sept. 14-16, 2004, Izmir, Turkey |
[55] | B. Vahidi, M. Heidari, K. Raahemifar, "Effects of Cable Models on Lightning Overvoltage Transfer from Transmission Lines to Distribution Systems", WSEAS International Conference on Power Systems and Electromagnetic Compatibility, Sept. 14-16, 2004, Izmir, Turkey |
[56] | B. Vahidi, A.R. Shaddel S., S. A. Kashi, "Application of Charge Simulation Method for Wind Turbine Lightning Protection", 27th International Conference on Lightning Protection, 12-16 Sept. 2004, Avignon, France |
[57] | B. Vahidi, M. Hidari, "Effects of Strokes to Transmission Lines on Distribution Cable Systems", 27th International Conference on Lightning Protection, 12-16 Sept. 2004, Avignon, France |
[58] | Kalantari, B. Vahidi, "Rupture of the SF6 Circuit Breakers", Proceedings of 9th Distribution System Conference, 28-29 April 2004, Zandjan University, Zandjan, Iran, pp. 309-320. |
[59] | B. Vahidi , A. Ghatrehsamani, S.A. Kashi, "Shunt Reactor Switching Simulation by EMTP", Proceedings of IEEE MELECON, 12-15 May 2004, Dubrovnik, Croatia |
[60] | B. Vahidi, Gh. Rassuly H., "Analysis of Static Electrification of Transformer Oil", Proceedings of ICEE 2004, Mashhad University, Mashhad-Iran, May 2004, Vol. 5, pp 409-414 |
[61] | B. Porkar, S. Porkar, B. Vahidi, " Computation of Electromagnetic Fields Around Transmission Line Due to Lightning Strokes", ISH2003, Netherland, Aug. 2003 |
[62] | B. Vahidi and M.A.Taghikhani, "Theoretical and Experimental Analysis of Thunder Disperser in Presence of Space Charge" , ISH2003, Netherland, Aug. 2003 |
[63] | B. Vahidi and R.A.Ghanbari, "High Voltage Statistical Analysis Software" , ISH2003, Netherland, Aug. 2003 |
[64] | B. Vahidi and R.Soltani, "Effects of Two Nearby Grounding Systems on Each Other During Fault in Substations" , ISH2003, Netherland, Aug. 2003 |
[65] | B. Vahidi,M.J.Alborzi, H.Aghaeinia and M.Abedi, "DC Corona Detection on Surfaces of Insulators Using Ultrasound Detectors" , ISH2003, Netherland, Aug. 2003 |
[66] | B. Vahidi,M.J.Alborzi, H.Aghaeinia and M.Abedi, Acoustic Diagnoses of AC Corona on The Surfaces of Insulators, IEEE Power Tech 2003, Bologna, Italy, June 2003 |
[67] | S. Porkar, B. Porkar, B. Vahidi, J. Moghani, G. Gharepatian, A New Model for Simulation of Arc in Compressed Air and SF6 Circuit Breakers, Proceedings of ICEE 2003, Shiraz University, Shiraz-Iran, May 2003, Vol. 4, pp 421-428 |
[68] | M.R.Askari, B. Vahidi, "Distribution Lines Using Covered Conductors, A New Approach To Reducing The Corrosion", KNT university, Tehran, Iran, 17 Oct., 2002, pp 105-112 |
[69] | B. Vahidi,M.J.Alborzi, H.Aghaeinia and M.Abedi, Ultrasound method for corona detection, Proceedings of ICEE 2003, Shiraz University, Shiraz-Iran, May 2003, Vol. 4, pp 279-286 |
[70] | B. Vahidi, S.E.Naghibi, "Tower Model for Lightning Overvoltage Analysis By EMTP" , ICLP 2002, Cracow, Poland, 2-6 Sept. 2002 |
[71] | B. Vahidi, M.A. Taghikhani, "Comparison Between Theoretical And Experimental Simulation Of Thunder Disperser" , ICLP 2002, Cracow, Poland, 2-6 Sept. 2002 |
[72] | B. Vahidi, B.Entekhabi, A.Abdipour, "Induced current in human body due to transmission line" , 10th Iranian Conference on Electrical Engineering (ICEE) , Tabriz University , Tabriz, Iran , May ,2002 |
[73] | B. Vahidi, A.Mohamadzadeh F., "Electric field calculation on insulators shell surfaces with shed in hig voltage system" , 10th Iranian Conference on Electrical Engineering (ICEE) , Tabriz University , Tabriz, Iran , May ,2002 |
[74] | B. Vahidi, H.S.Hosseinian, H.R. Kamankesh, "Optimizationof forces at flexible bus-bars in hig voltage substations" , International Conference on Bulk Power Transmission System Integration In Developing Countries, CIGRE Regional Meetin 2001, New Delhi, India , 8-10 Nov. , 2001 |
[75] | B. Vahidi, A.Mohamadzadeh F., "Effect of floating ring on voltage distribution across H.V insulator chain" , ISH2001 , Indian Institute of Science, Bangalore , India ,20-24 Aug. , 2001 |
[76] | B. Vahidi, A.M.Jafari, "Effects of nearby trees and width of line on lightning strokes" , ISH2001 , Indian Institute of Science, Bangalore , India ,20-24 Aug. , 2001 |
[77] | M.Maktubin, G.B.Gharepatin, B. Vahidi "Optimal design of linear transient overvoltage limiter" , Iranian Conference on Electrical Engineering (ICEE) , Power&Water Inst. Of Tech , Tehran-Iran , 7-9 May ,2001 |
[78] | B. Vahidi, A.M.Jafari, "Application of electrogeometric model for analysis the distribution of current magnitudes of lightning strokes to structures" , 9th Iranian Conference on Electrical Engineering (ICEE), Power&Water Inst. Of Tech, Tehran-Iran, 7-9 May, 2001 |
[79] | A.Mohamadzadeh F., B. Vahidi, M.Uskouee, "Semiconductor foils as a solution for uniforming potential distribution in HV bushings" , 15th International Power System Conference (PSC 2000) , Tehran-Iran , 6-8 November , 2000 |
[80] | M.Maktubin, B. Vahidi, "Optimum design of grounding grid of high voltage AC substations" , 15th International Power System Conference (PSC 2000) , Tehran-Iran , 6-8 November , 2000 |
[81] | B. Vahidi, A.M.Jafari, "A new approach to distribution system lightning outage calculation" , 25th ICLP , University of Patras ,Rhodes-Greece 18-22 Sept. , 2000 |
[82] | Gh.R.Godarzi, M.Karari, B. Vahidi, "On line partial discharge detection of generators and other equipment by artificial neural network" , The Eighth Iranian Conference on Electrical Engineering (ICEE 2000) , Isfahan University of Tech. , Isfahan-Iran , May 17-19 , 2000 |
[83] | B. Vahidi, "A new method for fast-fronted lightning current test on arrester" , International Power System Conference , Tehran-Iran , Nov. 1999 |
[84] | M.Jafari, B. Vahidi, "A new method for calculating transmission lines outage due to direct stroke of lightning to phase conductor" , International Power System Conference , Tehran-Iran , Nov. 1999 |
[85] | B. Vahidi, K.J.Cornick, D.A.Greaves, "Effects of multiple stroke on ZnO surge arresters" , 24th ICLP , United Kingdom , Sept. 1998. |
[86] | B. Vahidi, K.J.Cornick, D.A.Greaves, "A new approach to fast transient response of ZnO surge arresters" , 24th ICLP , United Kingdom , Sept. 1998. |
[87] | B. Vahidi, K.J.Cornick, D.A.Greaves, "Plasma gun-opto electronic control firing system for single and multiple stroke impulse generator" ,24th ICLP (International Conference on Lightning Protection), United Kingdom , Sept. 1998. |
[88] | B. Vahidi, K.J.Cornick, D.A.Greaves, "Fiber optic link for fast-fronted impulse current measurements" , High Voltage Measurement and Calibration ( 3rd European Conference), Milan-Italy , 9-11 Oct. , 1996 |
[89] | B. Vahidi, K.J.Kornick, "Non-standard lightning waveshapes A summery of present knowledge" , 9th ISH ,Graz, Austria , Aug. 28-Sept 1, 1995 |
[90] | R.Moini, Kordi, B. Vahidi, M.Abedi, "Comparison Between LEMP&NEMP induced overvoltage in 33 kv overhead distribution lines" , The 10th Anniversary ACES (Applied Computational Electromagnetics) , California-USA, March 21-26 , 1994 |
[91] | B. Vahidi, "A new approach to evaluation of lightning induced overvoltage and its comparison with present methods" , The first Iranian Conference on Electrical Engineering (ICEE 93) , Amirkabir University of Tech. , Tehran-Iran , May 18-21 , 1993 |
[92] | B. Vahidi, J.Nazarzadeh, "Digital computer simulation of separately excited DC-motor dynamic behavior in PWM & phase-contorl methods" , IASTED International Conference Modeling Identification & Control , Innsburk , Austria , Feb. 15-17 , 1993 |
[93] | S.H.Hosseinian, M.Abedi, B. Vahidi, "The evaluation of harmonics caused by transformer saturation in switch overvoltage of EHV lines using FFT technique" Comconel 91 , Cairo-Egypt Dec. 1991 |
[94] | B. Vahidi, S.H.Hosseinian, "Investigation of lightning transient overvoltage distribution in transformer windings" , international power system conference , Tehran-Iran , Nov. 1991 |
[95] | B. Vahidi, M.Abedi, S.H.Hosseinian, "Digital computer studies of shielding failure phenomena in EHV transmission lines" , 7th ISH (International Symposium on High Voltage Engineering) , Dresden University , Dresden-Germany, Aug. 1991 |
[96] | S.H.Hosseinian, M.Abedi, B. Vahidi, "Digital computer studies of random switching of Iranian standard 400 kv line" , ICPADM , Tokyo-Japan , July 1991 |
[97] | M.Abedi, B. Vahidi, M.R.Chatri, "A PC based interactive soft ware for lightning performance evaluation of transmission lines and its application to insulators of 400 kv lines in Iran" , ICPADM , Tokyo-Japan , July 1991 |
[98] | B. Vahidi, M.Abedi, S.H.Hosseinian , "The evaluation of fifty percent breakdown voltage across Iranian 400 kv transmission line insulators" , ICPADM , Tokyo-Japan , July 1991 |
[99] | S.H.Hosseinian, B. Vahidi, "Optimization of loss in distribution system by using power capacitor" , Conference on Power Distribution, Rasht-Gilan , Iran , June 1991 |
[100] | B. Vahidi, S.H.Hosseinian, "Induced voltage on distribution lines in Iran and effect of shield wire-surge arrester on induced voltage" , Conference on Power Distribution , Rasht-Gilan , Iran , June 1991 |
[101] | S.H.Hosseinian, B. Vahidi, "Investigation of resonance phenomena in double circuit power lines and its effects on reactors and lines" , Conference on Electrical Engineering , Khajeh Nasiraldin Tossi University of Technology , Tehran-Iran , June 1991 |
[102] | B. Vahidi, S.H.Hosseinian, "Application of EMTP for modeling of backflashover in EHV transmission lines" , Power System Conference , University of Mazanderan , Mazanderan-Iran , May 1991 |
[103] | B. Vahidi, M.Abedi, "Lightning induced voltage evaluation using simple integration procedure" , High Power Tech Conference , Tainan-Taivan , March 1991 |
[104] | B. Vahidi, M.Abedi, "Determination of Iranian 400 kv power lines lightning performance due to omitting shield wires" , International Power System Conference , Tehran-Iran , Nov. 1990 |
[105] | M.Abedi, B. Vahidi, "Modification of Rusck's model for lightning induced voltage evaluation on power transmission line" , IASTED Conference on Modeling and Simulation , University of Tehran , Tehran-Iran , July 1990 |
[106] | B. Vahidi, M.Abedi, F.Rahbar, "Investigation of voltage and energy on Zno surge arresters of 230 kv & 400 kv power lines in Iran" , International Power System Conference , Tehran-Iran , Nov. 1989 |
[107] | M.Abedi, B. Vahidi, F.Rahbar "Determination of isokeraunic map of Iran and its application for determining of Iranian power lines lightning performance" , International Power System Conference , Tehran-Iran , Nov.-1988 |