Journal of Iranian Association of Electrical and Electronics Engineers-V

ol.14-No.1-Spring 2017

ajalilvand@znu.ac.ir

behzad_faraedi@yahoo.com

:

EMTP/ATP

MATLAB/SIMULINK

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][

][

0,2

2

dtdxxhx

dtxd

dtdxxh ,

dtdxxh ,3x1

)cos(tdtdx

)cos(32

2t

dtdxxx

dtxd

)cos(t3xx

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Journal of Iranian Association of Electrical and Electronics Engineers-V

ol.14-No.1-Spring 2017

dtdxy

c

)cos(t))cos(( t)(tS

c

c'

cc][

)cos()cos(32

2ttxx

dtdx

dtxd

[10-12]

2H3H5H

FIR

]2,0[

][][

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ATPDraw

SLGLLDLG3PHG

3PHG

3600

0348

Zs230kV Transmision Line

(pi model) CT1 CT2

IH ILLoad

Transformer Yd5100MVA,230/63kV

80 km

1 2

Differential Current Measuring Unit

ATPDraw

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Journal of Iranian Association of Electrical and Electronics Engineers-V

ol.14-No.1-Spring 2017

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rs-V

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12.01.0 t

SLGLLDLG3PHG

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Journal of Iranian Association of Electrical and Electronics Engineers-V

ol.14-No.1-Spring 2017

2hc

2hc

EMTP/ATP

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Amplitude=230KV, f=50Hz

100MVA230/63 KV

X/R1016%50 HZ

CT

mH0.512.30.5B-10.5818.44B-2

CTCT2CT1

3000/5800/5Cls CCls CCT

B8B1

mH

95.28227.400.8119.07%100

[1] Bimbhara, P.S., Electrical Machinery, KhannaPublishing, 1995.

[2] Monsef, H., Lotfifard, S., A New Wavelet-BasedApproach for Internal Fault Current Identification inPower Transformers, Scientia Iranica, Vol. 15, No. 2,2008.

[3] Kasztenny, B., Kulidjian A., An Improved TransformerInrush Restraint Algorithm Increases Security WhileMaintaining Fault Response Performance, 53th AnnualConference for Protective Relay Engineers, Canada,2000

[4] Einvall, C. H., Linders, J. R., A Three Phase DifferentialRelay for Transformer Protection, IEEE Transactions onpower Apparatus and system, Vol. PAS-94, No. 6, 1974.

PSC2007[8] Jalilvand, A., Fotoohabadi, H., The Application of

Duffing Oscillator in Weak Signal Detection, ECTITransactions on Electrical Engineering, Electronics andCommunications, Vol. 9, Issue 1, 2011.

[9] Zigang, G., Xiangjum, Z., Shuntao, T., Zhengyi, L.,Chaotic Oscillator Based Protection Scheme for SinglePhase Ground Fault Diagnosis in Distribution Networks,International conference on power system technology,Singapore, 2004

[10] Hongbin, G., Guang O., Yao, Y., Shijian, Z., LiMin, S.,Detection of Weak Simple Harmonic Signal in StrongNoise Based by Use of Chaotic Oscillator, 8th

International Conference on Electronic Measurement andInstruments, China, July 2007

[11] Jalilvand, A., Kazemi Kargar, H., Fotoohabadi, H., HighImpedance Fault Detection Using Duffing Oscillator andFIR Filter, International Review of ElectricalEngineering, Vol. 5, Issue 3, 2010.

[12] Vahedi, H., Gharehpetian, G.B., Karrari, M., Applicationof Duffing Oscillator for Passive Islanding Detection ofInverter-Based Distributed Generation Units, IEEETransactions on Power Delivery, Vol. 27, Issue 4, pp.1973-1983, October 2012

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Journal of Iranian Association of Electrical and Electronics Engineers-V

ol.14-No.1-Spring 2017

[13] Rashtchi, V., Nourazar, M. , Detection the State ofDuffing Oscillator by Phase Space TrajectoryAutocorrelation, International Journal of Bifurcation andChaos, Vol. 23, No. 4, 2013.

[14] Rashtchi, V., Nourazar, M. , A Multiprocessor Nios IIImplementation of Duffing Oscillator Array for WeakSignal Detection, Journal of Circuits Systems andComputers, Vol. 23, No. 4, 2014.

[15] IEEE Guide for Protective Relay Applications to PowerTransformers IEEE Std C37.91-2000.

Duffing oscillatorDamping ratioPeriodic driving forceNonlinear restoring forceLimit cycles

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