Investigation of PLC for logic Selectivity Communication in Protection Systems

Transcription

1 Inrnionl Journl o Enri (IJECA) hps:// ISSN: Volum. Issu. 7 P Invsiion o PLC or loi Sliviy Communiion in Proion Sysms S. Bouhzl Mohm, A. Chri n D. Bn Aous Elril Eninrin Lorory (LGEB), Univrsiy o Bisr. ALGERIA Fuly o Thnoloy, Dprmn o Elril Eninrin, Univrsiy o El-Ou. ALGERIA ouslh@yhoo.om Asr This ppr rpors n invsiion o powr lin ommuniion hniqu PLC or loi sliviy in proion sysms. A simulion o powr ri wih wo proion sysms usin PLC s ommuniion pross is prorm y Simulin/Ml prorm. Also, h nuion hrrisi o hih rquny PLC sinl is sui rrs o rsisn, inun n rquny vriion. Kywors: Powr lin ommuniion PLC, Loi sliviy, Proion, Couplr, Anuion. Riv: 5//7 Ap: 3//7 Nomnlur PLC: Powr lin ommuniion. I. Inrouion Sliviy wn proion lmns onsiss o isol s quily s possil only h prs n lvin unr lril powr ll hlhy prs []. By h wy, oh srvi oninuiy o powr supply n ssisn union wn irn proion lmns r nsur. Whn ul ours in ril nwor, h ul urrn is lo wn h sour n h ul poin. Proions upsrm o h ul r solii []. Downsrm proions o h r no solii. Susqunly, only h irs proion upsrm o h ul mus [, 3]. Eh irui rr is ssoi wih proion l o snin n rivin loi s is shown in Fi.. In h, h loi sliviy hs n vlop wih h im o ovromin isvns o oh urrn n im sliviy []. I ms possil o oin pr sliviy n ru onsirly h ly in rippin h irui-rrs loss o h sour [3, ]. Powr Lin Communiions PLC is hnoloy h ms possil h rnsmission o voi [5], vio n ovr snr powr lins [, 7]. This will inlu h wirin sysms o homs n ois. PLC sysm os no rquir ivil ninrin wors or moiiion o h urrn powr isriuion lins whih ovrin pproximin ll populion []. This ms PLC hihly ompiiv opion in rm o oss n srvis in omprison wih h urrn ron soluions vill. Fiur. Proion sysm usin loi sliviy IJECA-ISSN: Jun 7 P

2 PLC uss powr isriuion lins or h rnsmission o. Th lri urrn rhs usrs in h orm o lowrquny lrnin urrn o 5Hz []. PLC uss hih-rquny rrirs or rnsporion. Th n us ovrs rn wn MHz n 3MHz []. In nrl, h PLC uss OFDM oin or rnsmission []. This moulion is h ss ins inrrns in pl in powr nwors n provis h hihs lvl o sprl prormn n iiny. Th prinipl o PLC is o suprimpos h lril sinl o 5Hz nohr sinl hihr rqunis n low nry [-9]. This son sinl props on h lril ri n n riv n o y PLC rivr whih is on h sm ri [9, ]. In his ppr h PLC hniqu is invsi o nsur ommuniion wn irui-rrs. Th hih rquny sinl is moul y usin AM moulion. Two irui-rrs proion sysm is us o show h ppliiliy o h PLC s ommuniion wy in powr sysm proion [-3]. II. Topoloil sin o h sysm A hr phs lin n wo proion sysms simulion is rri ou wih Simulin/Ml Prorm. Th simulin mol is shown in Fi.. Eh proion is ssoi o irui-rr n loi rly whih rivin ul inormion rom is urrn rnsormr CT n miin rippin n loi wi sinls. RECEIVER TRANSMITTER Brr onrol ouplur ouplur In Ou In i + - Zs Z Vs Brr A Zl Fiur. Simulin mol o hr phs nwor wih wo lvl proion sysm usin loi sliviy onroll wih PLC sinls. Th rnsmir n rivr ouplrs r prsn in Fiur 3 n Fiur rspivly. Fiur 3. Trnsmir ouplr o PLC sinls, C =.3µF, L = -5 H, =5Khz. Fiur. Rivr ouplr o PLC sinls, L r = H, C r =.3x µf, R r =5Ω. III. Simulion rsuls Cs - Gri wihou uls: Th proion B is no ; hror h loi rly o proion B os no rnsmi loi wi sinl o h proion A. In his s, w hv norml nwor oprion h h urrn lows rom h sour o h lo. Th simulion rsuls o his s r shown is Fiur 5. Cs - Whn ul pprs in poin M (Fiur ): Whn ul pprs in poin M, ul urrn hrouh oh proions A n B. Thror, proions A n B r inorm o his ul. In his s, h rly o proion B sns wo loi sinls; rippin sinl o is irui-rr n loi wi sinl o proion A. Th irui-rr B opns r is ly im B or proion A in iv. Knowin h proion A is lo y h wi loi sinl. Th simulion rsuls o his s r shown is Fiur. HF Timr m Brr onrol Ou In Ou i + - Zl Brr B M (). Oupu vol o irui-rr A, (). Currn ross irui-rr A, (). Oupu vol o iruirr B, (). Currn ross irui-rr B, (). Hih rquny sinl U rnsmi y mns o h rnsmir ouplr usin PLC hniqu, (). Hih rquny sinl riv y mns o h rivr ouplr usin PLC hniqu, (). Trippin sinl o irui-rr A, (h). Trippin sinl o irui-rr IJECA-ISSN: Jun 7 P 5

3 - - S. Bouhzl Mohm l. B, (). Loi wi sinl rnsmi rom proion A o proion B vi PLC sysm. 3 Un - - Un I I Un Un - - I I U U U U Fiur 5. Simulion rsuls o s. U h Fiur. Simulion rsuls o s. IJECA-ISSN: Jun 7 P

4 S. Bouhzl Mohm l. Un I Un Consir now h ul pprs in poin M n proion B is ron own. As h prvious s, h ul urrn hrouh oh proions A n B whih r inorm o his ul. Hn, h rly o proion B sns wo loi sinls; rippin sinl o is iruirr n loi wi sinl o proion A. Bus h proion B is ron own, is irui-rr os no opn n or his rson h loi wi sinl oms lonr. Th irui-rr A opns r is ly im A + l ( l is h wiin im o proion A or is ivion). Th simulion rsuls o his s r shown is Fi. 7. IV. HF nuion msurmn Th sinl nuion quion [] is rprsn s h rio o h riv hih rquny sinl () in proion A o h rnsmi hih rquny sinl (U) rom proion B: I U Av( B) lo U () Th nuion hrrisis o h sinl vrsus l rsisn, l inun n rquny vriion r prsn in Fi., Fi.9 n Fi., rspivly Av=(R) Fiur. HF sinl nuion vrsus lin rsisn vriion. U Av=(L) U h Fiur 9. HF sinl nuion vrsus lin inun vriion. Av=(F) Fiur 7. Simulion rsuls o s Cs 3- Whn ul pprs in poin M n proion B is ron own: x Fiur. HF sinl nuion vrsus rquny vriion. IJECA-ISSN: Jun 7 P 7

5 S. Bouhzl Mohm l. V. Conlusion Elril nwors livr lril nry rquir or irn onsumrs. Howvr, h oninuiy o supply o rivrs is souh rom h nwor sin. Th min unions o proion r rouh ino ply in orr o nsur oninuiy o srvi. Th mos us union is h proions o h mx urrn ins s in shor-irui. This wor is onrn wih h us o h union. In h s o proion sysm wih hs mny lvls, irn proion r lin o h ohr wih loi sliviy wih poli l n CPL. Rrn [] F. Suriu, Proion o lril isriuion nwors h loi sliviy sysm, Frury 93. [] Ali Rz Friouni, Hm Nisi, Mhi Grmrui, Hm Hshmi Dzi, Th E o Disriu Gnrion in Disriuion Nwor on Coorinion o Proiv Dvis, Inrnionl Rviw on Mollin n Simulions (I.RE.MO.S.), Vol., N., pp [3] Anré Ssr, Nwor proion (HTA ) inusril n riry, CT 7 éiion émr 99. [] Mohm Hr, Zshn H Khn, Jn-Mr Thiri, Eri Svry, An xnsion o IEC 5 or solvin sliviy prolm in lril susions, Auhor mnusrip, pulish in "3r IAR Worshop on Avn Conrol n Dinosis, Covnry : Uni Kinom () [5] Els Hossin, Shroz Khn, Ah Ali, Molin Low Vol Powr Lin s D Communiion Chnnl, Inrnionl Conrn on Elril Eninrin (ICEE ), WCSET : Worl Conrss on Sin, Eninrin n Thnoloy, Pris, Frn,, pp [] Chrls J. Kim, n Mohm F. Chouih E. F. Fuhs, Anuion Chrrisis o Hih R Hom- Nworin PLC Sinls, IEEE rnsions on powr livry, vol. 7,, pp [7] I. Hi Cvr, Enin Krniz, Msurmns o Impn n Anuion CENELEC Bns or Powr Lin Communiions Sysms, Snsors, vol, pp. 73, DOI:.339/s7. [] T. Trn-Anh, P.Aurio, T. Trn-Quo IDEAl, Disriuion nwor molin or Powr Lin Communiion ppliions, -73-5/5/$.5 IEEE. [9] P. Mlhi P.T.Vnhi, Powr Lin Communiion usin OFDM n OGA, AIML Journl, Vol 7, Issu (), 7. [] Yih Guo, Zhiyun Xi, n Yu Wn, A Mol or V Ovrh Powr Lin Communiion Chnn, Hunshn, P. R.Chin, pp IJECA-ISSN: Jun 7 P