供配电习题

《供配电习题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

^\
1ᜐ4▾HenanPolytechnicInstituteὊᵯᢈᘤ1.ᔆᵯᨵ⌕ᵨᔆᵯᨵ!"#$⌕%⌕ᵨ:'()*+,ᙠᵯ./ᵨḄ#Ạ23Ḅ4ᵯ.ᙠᡂ$6ᡠᓰḄ9:;<=>◀ᵯᓄA᜜C4ᐸ⌕ឋ*ᙠFG'ᵯHᓄIJKILMNஹPQRNSTU᳛4WXᡂ$4YZ[ḄTU\]஺᝞`ᔆᵯaᯠ6c4ᑣK.⌼ᡂfḄJ`஺g᝞h"ᵯK☠ឋ⌕%

1
^\
1ᜐ4▾HenanPolytechnicInstituteὊᵯᢈᘤÆ஺ᵯᡠḄ±²*ÏÐᵯ.Sᑖᵯ.4ᦋ°ᵯÒÓ°ᵯᡠḄ±²*ÏÐᵯ.ஹ°ᣚᵯSᑖᵯ.஺Qºᐭ¼₹6¾Ḅ¿ÀÁ4KIḕÖ:×6o°4ØᓄÙᵯÏÅ4⁚ÛᢗSᨵ⁐¨©4WXÙᵯ.wὑSᵯwὑ4PQÙᵯRN஺ᯠÓÜ⌕᪷ÞᔆßḄà᛻ᩩã*ᔲ35kVåæÅƺᐭ¼₹6¾Ḅ“ᐰèé”⌕%Óë4ᔲᑣì¹ᵨ஺1.³´îᵯïஹᵯïðSUï?+,ᜧòᵯïᨵ!"óᜐᵯïᵫᔜ×ᵯḄᵯïÅÆö:"~ᵯᔆஹ°ᵯᡠSᵯïᵨᡝὶsᩭḄ:ø~ᵯஹùᵯஹ°ᵯஹᵯSᵨᵯḄ᦮û,ýþᵯï஺ᵯðᵯï6ᔜ×ᵯḄᵯïÅÆÿᐸὶḄᵯᡠᵯᡈᵯ஺ᵯᵯᔆḄᑖᐸᵨᡝ஺ᜧ!ᵯᡈὶᔠᵯ#$%&'ᔠᳮᙢᑭᵨ+,-./ᧇ123ᵨ-.ᵯ4ὑ67ᵯᡂ9:;<ᵯ=>?ᓽᵯA⚣᳛ᔠDE⌕HIJᜧᜧKL<ᵯ#☠ឋ஺-2-OP

2.•জIcdIᓅ!4fgh▾HenanPolytechnicInstituteXYP<ὊᵯᢈS[ᘤ]^_1.ᡃkᵯElḄ“n⚣”pq.rsᐸ⚣᳛tuᨵc⌕Hrn⚣wxyzᵯ{ᜓḄ}l⚣᳛50HZoEl⚣᳛tu~0.2HzᵯAtu~5%ᵯAtupᢣᵯ{ᜓḄᵯAᐸ}lᵯAu$ᐸs}lᵯAḄᑖᩭ⊤஺1.yzᵯḄᵯ,ឋᨵ1rឋᙢឋᙢᙠᓫᙢᦑᔜᨵᱯrឋ1ឋ¢ᙢஹឋ&¤ᢙᙢஹឋᙢ஺ឋᙢᓫᙢ¦§sᙢᵯAᓣL©ᩭḄ᪷«3¬஺ᓫᙢᵯᵯz~1®sᙢᵯᵯzḄ3¬஺ឋ&¤ᢙᙢᓫᙢ¦§sᙢᵯAᓣL©ᩭḄ᪷«3¬-¯°ᙢᵯz஺ᙠᓫᙢᵯᵯzᜧ±wlḄᵯᵯ,ឋ²³´µ&4¶®ᙌᙢḄ1஺-3-OP

3
^\c¸1ᜐº4fgh▾HenanPolytechnicInstituteXYP<ὊᵯᢈS[ᘤ]^_ឋᙢᓫᙢ¦§sᙢᵯA¢ᡂᓫᙢ»¼஺1.7AQᵯḄឋ®?N®Iஹ:¿®?PE®I:¿ឋ®?PEN®IᔜᨵÂrTN—CஹTN—SஹTN-C-SஹTTITᔜᨵᱯᔜ〉±ÊᔠËᵨrឋ®?N®IḄÂ:wpᵨᩭᵨ}lᵯAᵯAḄᓫᵨᵯ{ᜓÍÎᵯpᵨᩭÏÐḄ¢Ñ⊝ᵯzᓫᵯzÍp-¯₹ឋḄᵯÔtÕ஺:¿®?PE®IḄÂÖpᵨᩭ:×ØÙᐰஹ■ÜÝᵯÞᦑᵨḄᙢ®஺ᡠᨵ{ᜓḄ᜜☄#Ðᵯᑖ?ᢣ~¢áᵯAâᦑãäå#áᵯAḄ᧕çÝḄÐᵯᑖè᝞{ᜓḄêë᜜ìஹêë᪀îïIð:¿®ᙢ஺:¿ឋ®?PEN®IḄÂÖñᨵឋ®?N®I:¿®?PE®IḄÂ஺òó:¿ឋ®ᙠᡃk“ô®”õ“ᙢ®”஺TN—CᐸḄN®PE®ᐰᔠw᪷PEN®஺PEN®#ᨵᵯzðö÷søPEN®Ḅ{ᜓùᵯúû᡾஺ý⌕±ᡃk7AQᵯËᵨᨬÿ
〉ᐰᢙᵯ᡾⌕Ḅᡠ஺TN—SᐸḄN!PEᐰ$ᑖ&'ᜓḄ᜜☄+,ᵯ$ᑖᙳ.PE஺/⌕ᵨᐰ12᝞45᧕7ᵯḄ8-4-9:;<ᵯᢈ>?⚪A

4
^\CD1ᜐF4GHI▾HenanPolytechnicInstituteKL:;Ὂᵯᢈ>NᘤPQRSTUVWXYḄᡠᢙᵯ᡾⌕Ḅᦪ[ᜐᳮ]^_`Xabᡠ஺TN-C-SeḄfg$ᑖᐰ$hTN-Cijkᨵg$ᑖhTN-Cᨵg$ᑖᑣhTN-Sᐸ'ᜓḄ᜜☄+,ᵯ$ᑖ.PENᡈPE஺/⌕ᵨᐰ⌕ᢙᵯ᡾⌕Ḅᡠ஺TTឋpq..ᙢ'ᜓ᜜sᓫu.ᙢ஺ITឋp.ᙢ'ᜓ᜜sᓫu.ᙢ஺/⌕ᵨvw;ᵯ⌕1xᨵ᧕y᧕ᰦᓻ◅Ḅᡠ஺3.ᵯ₹ᢥ⌕Rᑖᔜ₹;ᵯᵯᨵ⌕g₹;ᵯ⌼ᡂᕒᡈᙠ⌼ᡂᜧᜫὅxᱯ¡⌕Ḅ₹஺¢ᵯ;ᵯ£⌕¤¥'¦ញᵯ஺¨₹©;ᵯᙠஹ⌼ᡂ1ᜧᜫὅ஺¢ᵯ;ᵯ«₹1¬¤+;ᵯ஺®₹¯gஹ¨Ḅ₹஺;ᵯᵯ°ᱯ±⌕஺3.²ᔆᵨᵯ'ᜓᢥᐸ²´ᑴᑖ¶?¸₹ᢝw᳛?»⊤½¶'ᜓḄ²´ᱯឋ²´ᑴᑖ®¶21Yvw²´ᑴ22YwᕜÁ²´ᑴ23Y¤²´ᑴ-5-9:;<ᵯᢈ>?⚪A

5
^\CD1ᜐF4GHI▾HenanPolytechnicInstituteKL:;Ὂᵯᢈ>NᘤPQR₹ᢝw᳛₹ᢝw᳛hgò´ᕜÁᑁ²´¤Å!²´ᕜÁḄÆᑖÇÈ₹ᢝw᳛⊤½wᕜÁ²´ᑴḄ'ᜓḄ²´ᱯឋ஺£X1OO%T3.¸ᨬᜧ₹ᑭᵨ¬¤¸Ïᨬᜧ₹ÏÐᙳ₹?¸₹ᦪᨬᜧ₹ᑭᵨ¬¤©gÃᎷÒ¤ÅᙠÓ¤Åᑁᵯ₹ᢥÏᨬᜧ₹Pmax2ᡈP3஺YᢝwÔÕᡠÖὑḄᵯØ,ាÛXeᵯ₹ᐰÏa▭ÖὑḄᵯØ஺Ïᨬᜧ₹Ý”ᐰÏ₹ᨬᜧ²´ßᑁÖὑᵯØᨬᜧḄତḄÐᙳá᳛â¸à¬¤ᨬᜧ₹P30ÏÐᙳ₹Pavã©ᵯ₹ᙠgä¤ÅtᑁÐᙳÖὑḄá᳛,åã©ᵯ₹ᙠe¤ÅtᑁÖὑḄᵯØWt◀¤ÅtḄÈ஺₹ᦪâ¸₹᳛»©ᵨᵯ₹ḄÐᙳ₹Pஹ,!ᐸᨬᜧ₹PmaxḄÇÈ஺3.çäèé₹Ḅ◤⌕ᦪë¨⚗íëᔜᨵᱯpᔜ〉ᵨîᔠèé₹Ḅðë◤⌕ᦪëçäèé₹Ḅñòðëóᵨ஺¨⚗íë'ᜓôᦪõö÷ø¡ù±¤úᵨ஺3.¸ûüᵯý?ûüᵯýḄèéᨵᵨ⌶-6-9:;<ᵯᢈ>?⚪A

6,iYÿ
᝞.Qᩈ▾HenanPolytechnicInstituteὊᵯᢈᘤᵯ஻ᢣᢝ1-2SḄ$ᨬᜧ'₹ᵯ)ᵯ*+,*-./஺ᵯ1⌕ᵨᩭ⌱6ᰚ8ᘤ9:;8<ᘤஹ᦮?@ᵯABCDEFGᵯ*+H,*ᩩJK஺3.NOP+QRḄSTᑗV+WXYZᨵ380VḄ_`ᵯ*+7.5kw3fY4kw8fY3kwl7fY1.5kwl0f஺iᵨ◤⌕kᦪmnᐸpq'₹஺rst+WXᵯ*+ḄuvwxP=7.5ZWx3+4kWx8+3kWx17+1.5kWx10=120.5&We▬⊤1Kd=0.16~0.2)0.2/,cos
p=0.5,tan°=1.73ᨵpq'₹P,=0.2x120.5&W=24AkWopq'₹஺3)/=24.1Wxl.73=41.7kvar24\kWᙠpq'₹S=———=48.22A3)0/0.5pqᵯ"H=73.2AV3x0.38^V3.P+QR380V

7.•জ)²³Iᓅµ4¶·▾HenanPolytechnicInstituteὊᵯᢈᘤ▬⊤1,Kd=0.2,coss=0.5,tan9=1.73P

8.•জ/²³Iᓅµ4¶·▾HenanPolytechnicInstituteὊᵯᢈᘤ+W2¤¥+230.80.80.752.41.83ᵯ¦᮱120.7101.40235513.819.1KZ=0.95KEpRup13.118.522.734.5=0.97q3.NOP+QRḄSTᑗV+WXYZᨵ380VḄ_`ᵯ*+7.5kw3fY4kw8fY3kwl7fY1.5kwl0f஺iᵨÖ⚗Îmᩭ¨?+WXḄpq'₹஺rsᵫ▬⊤16=0.14,c=0.4,x=5,cos(p=0.5,tan9=1.73஺ÇᜓuvwxP=120.5kWoeXfᨬᜧvwḄÇᜓvwxP=P=7.5kWX3+4kWXx52=30.5kWᨵpq'₹xP=0.14X120.5Kw+0.4X30.5Kw=29.1Kw30pq'₹xQ=29.1KwX1.73=50.3kvar30ᙠpq'₹xpqᵯx-9-.«ᵯᢈ¬⚪®

9.•জ/²³Iᓅµ4¶·▾HenanPolytechnicInstituteὊᵯᢈᘤ58.2&V-A,30=88.4AV3X0.38JIV3.P+QR380V=0»ᦑâব=0.7X2kw=1.4kwcஹP“3)
°åᔜXÇᜓ¢Y▬æ'₹åcP.পxᨬᜧYÀtupq'₹xP=(7+1.95+1.4)+8.68=19kw30-10-.«ᵯᢈ¬⚪®

10è/é³
êµ4¶·Ḅᛞ/HenanPolytechnicInstitute.ὊᵯᢈìQ)/=7X17.3+1.95X0.75+0
+8.68X1.73=28.6kvar3S)/=V192+28.62JtV-A=34.3kV-A3_34.3kV-AT=52.M3°íîx0.38kVïpqðñòåó-YᢥÖ⚗ÎmpqḄðñõᢥ◤⌕kᦪmpqḄðñᜧõ£öY÷øùxᔠᳮ஺ᢥíü
ÇpÈÉý⌕nYåpqòᑡᡂ⊤ᡠᵯ₹⊤஺ᵨᵯ⚗COS᜛ᜓᜓᦪtan஺₹ᦪᨬᜧPx2kW-30஺30S3030kWbc~kWkvarkV-A"Zᦪᦪ12.1ᑗ210.7+205500.40.51.73+15..7148.6801.951.460.60.2!"25330.80.75+0.7+0.552556-11-#$%&ᵯᢈ()⚪+

11.•জ012Iᓅ44567▾HenanPolytechnicInstitute9:$%Ὂᵯᢈ(<ᘤ>?@3ᵯB᮱10200.70101.4023551928.634.352.13.᝞Nᡠ220/380VQRSTᑴTVWXYᨵ220VᓫRᵯ\]^_4Xᐸa210kWYdARX130kWYdBRX120kWYdCR஺hᨵ380VᓫRiᙢk4Xᐸa214kW(E=100%)YdABRpX120kw(E=100%)YdBCRpX130kW(E=60%)YdCARp஺rstTVḄ₹஺vw(1)ᵯ\]^_ḄᔜR₹y▬{⊤1|Kd=0.7,cos*=l,tan/=0஺ᐸᨵ₹wARP,Aপ=%=0.7X2X10kw=l4kw30BRP.B(I)=K/>=0.7X1X30kw=21kw30djCRP.c(i)=K=0.7X1X20kw=14kw30dF(r(2)kḄᔜR₹ᐜYdCARpḄ30kw(£=60%)ᣚ£=100%ḄXᓽ-12-#$%&ᵯᢈ()⚪+

12.•জ012Iᓅ44567▾HenanPolytechnicInstitute9:$%Ὂᵯᢈ(<ᘤ>?@P=716x30KW=23kWCAy▬{⊤1|=0.35,cos=0.7,tan᜛=1.02;ᵫ⊤23y|coss=0.7Ḅ᳛ᣚᦪPAB-A=PBC-B=PCA-C=08,PAB-B=PBC-C=PCA-A=°,2,^AB-A=CIBC-B=C1CA-C=0.22,qAB-B=qBC-C=QCA-A~08°tikᣚᑮᔜRḄᨵ¡ᜓ¢A/£ᓃ=0.8x2xl4kW+0.2x23kW=27kWQ=0.22x2x14kvar+0.8x23kvar=24.6kvarABRᑖ=0.8x20kW+0.2x2xl4kW=21.6kWQ=0.22x20kvar+0.8x2x14¦var=26.8kvarBCR§=0.8x23kW+0.2x20kW=22.4kWQ=0.22x23kvar-f-0.8x20kvar=21.KvarcᔜRḄᨵ¡₹¢A1£¨0©20=0.35x27kW=9.45kW஺30.420=035x24.6kvar=8.6varBR¨OBফ=0.35x21.6kW=1.56kW஺30.8¬20=0.35x26.8kvar=9.38kvarCR¨ocফ=0.35X22AkW=7.84AW230c¬20=035x21.1/:var=7.39kvar3
ᔜRḄᨵ¡₹AR3஺”=230+¨஺W20=1°±+9.45ZW=23.5kW03O.A=஺30.%ফ=8.6³var-13-#$%&ᵯᢈ()⚪+

1312´µ&Qᢈᩈ7ḄBllenanPolytechnicInstitute9#$%&ᵯᢈ(<ᘤ>·@B/£230.8=3஺¸(1)+23஺.2)=21ZW+7.56kw=28.6WQ30,B=஺3஺/ফ=9,38ZvarCRP3»=3஺,”)+23஺஺ফ=14kW+7.8¼W=21.8kWQ30,C=030.(7(2)=7.39kvar(4)Ḅ½ᦔQR₹BRḄᨵ₹ᨬᜧXᦑÀBR½ᦔQR₹,ᵫtÁ|o=3P30.8=3x28.6kW=85.8kWQ30=303o.fi=3x9.38%var=28.IkvarS30=7^0+Qio=V85.82+28.12jtv-A=90.3Ç•AS30_90.3&VA,30——r3-ߟ/=-137AÉNV3x0.38)1V3.ËᔆÍÎᵯᡠÏÐÑÎÍᘤ஺ÒÓÎᵯᡠÔÍÕᨵ₹¢650kW,¡₹¢800kvar¢Ö×´oᔆ(ÎᵯᡠØÍÕ)Ḅ᳛ᦪÙÔd0.9,᝞ᙠÎᵯᡠÔÍÕÏÛὶᵯᘤÝÞ⊡àX◤Ïâã⊡à?Ûå⊡àæç´ᔆÎᵯᡠᡠ⌱ÑÎÍᘤᨵ1Îᓄêvw(1)⊡àæḄÎÍᘤ᳛ᦪÎÍᘤÔÍÕḄëᙠ₹¢$30(2)=465()2+80()2kV.4=1031AV•4ÑÎÍᘤ⌱íᩩï¢S52S3஺ফtñÝÞ¡⊡à-14-#$%&ᵯᢈ()⚪+

14.•জ012Iᓅ44567▾HenanPolytechnicInstitute9:$%Ὂᵯᢈ(<ᘤ>?@XÑÎÍᘤò⌱¢1250kV-A(óô▬{⊤5)oõÎᵯᡠÔÍÕḄ᳛ᦪ¢wcos஺ফ=650/1031=0.63(2)¡⊡àᢥ÷øXÎᵯᡠØÍÕḄcosd0.9,ὃ⇋ᑮÎÍᘤûüḄ¡᳛ýὑÿQTᜧᐸᨵ᳛ὑAPT,QT=(45)AP,ᙠᘤ!"⊡$%&⊡$'ḄT᳛ᦪ*ᶍ,0.90,0cos/=0.92஺◤89Ḅ:ὶᵯ=ᘤ=>?@Qc=650X(tanarccosO.63—tanarccosO.92)kvar=525kvar0QC=530kvar(3)⊡$'Ḅᘤ=>M᳛ᦪ⊡$'ᵯᡠḄOᙠPQR₹?sT஺஺)=^65()2+(800-530)2kV.A=704kV•A\ᘤ=>]ᦋ⌱?800kV-A,`⊡$a=>bc450kVAoᘤḄ᳛ὑ?d=0.015£஺ফ=0.015x704kV•A=10.6kW°k0.06S=0.06X704kV,A=42.2kvar3O(2ᵯᡠ,ḄPQR₹?pT=650kW+10.6KW=661kW0(l)Q3O(I)~(800—530)kvar+42.2kvar=312kvar-15-rstuᵯᢈwx⚪z

15{)|}~4Ḅᛞ/HenanPolytechnicInstituterstὊᵯᢈwsT=V66i2+3122kV,A=731kV,A0(1)⊡$'~ᔆḄ᳛ᦪ?cosᱏ*/S=661/731=0.9043.ᨵ380V&tᵯ⊤ᡠ4ᵯ஺PQḄᵯ஺ᵯ¦ᦪMlM2M3M4§¨ᵯ஻/A5.8535.827.6ªᵯᓛ40.635197193.2/A¡:ᵯM4Ḅ/¤-/N=193.2A-27.6A=165.6A?ᨬᜧ,Ḅᵯ?@I.=0.9X(5.8+5+35.8)A+193.2A=235A4.¬®¯?¯ᦑ²k³Ḅ´ᨵµ¶?¯·ᵯ¸¹ºᨵµ¶ᓻ¼½¯¾¿ᢣÁÂḄᵯÃḄÄᵯÅᑖᒹÈÄᵯÅᑖ·ᙢÊËḄÌឋ¯Î஺¯Ḅ´@ÏÐÑஹÓᵯஹ᜜¸ÕஹÖ×ØÙÚஹᱥ⌼ᡂÞ஺¯·ᵯ¸¹ºḄᓻ¼@k³ßᜧḄᵯ¸ஹß,àáஹᐗ-16-rstuᵯᢈwx⚪z

16
^\ãä1ᜐæ4▾HenanPolytechnicInstituteèstὊᵯᢈwᘤᘤéÑTᵯêëஹìíᵯî9ᜓðñò!Tëᵯஹᵯ¸¹ºò!Ḅó¨ឋôᑮẚÑTÁ÷⊝ᵯஹÁ÷⊝⌮úûஹᵯúü᡾Þþr஺4.¯ᨵµ¶ÿ?Ḅឋᨬᜧ?ḄᓻᨬḄᨵᓫ஺ᓫឋᨬᜧ஺Ḅᵯᨬᜧ!⌼ᡂḄᓻᨬᜧ஺4.%&'(▲ᜧ*+Ḅᵯ,-.?/ᨵ%&ᱯ1?ᙠ(▲ᜧ*+-.34ᵯ5᝞78ᓄᔲ;ᯠ=ᜧ(▲ᜧ*+Ḅᵯ,-.>ᢣ@ᵯ*+ABᵨᡝ@ᵯ-.*+ᜧEFḄᵯ,-.஺ᱯ1>Gᵨᡝ@ᵯ-.ḄH₹8JKL4ᵯ,-.8ᵯᡠ✄ᵯOPQḄᵯRSTUᢝW8஺ᙠ(▲ᜧ*+-.34ᵫBH₹Yᢙ[\ᑖPYᢙ^ᡠ_ᵯᵯ᪷abcde⌕;ᯠ=ᜧ஺g>ᵫBᵯ3hᙠḼᵯjᵯW;8klmnopqprᓽᨚ᝱pr஺ᨬvᵯwᑮnoyḄzd{᝱஺4.ᵯᕜ}ᑖ+[~ᕜ}ᑖ+ᔜ>᝞7Ḅᔜ-17-@ᵯᢈ⚪

17.•জ7Iᓅ4▾HenanPolytechnicInstitute@Ὂᵯᢈᘤrᔠ%&deᵯᕜ}ᑖ+>vᵯYᢙ;ᯠFkᢥbcde¡;ᯠ=ᜧFḄᵯ஺ᵯ~ᕜ}ᑖ+>ᵯhᙠᵯjkᢥ¢£deḄᵨ_Uᢝ¤¥¦ᵯᵯW§;8Ḅno¨ᔣª«inp¬ᢥᢣᦪ®ᦪ¯e⊦Ḅᵯ஺4.%&>±²ᵯish?%&>£ᨚ᝱ᵯ1஻?%&>z᝱ᵯ18?v´µoᕜ}ikwᑮᨬᜧ¶!4Ḅᐰᵯᓽᕜ}ᵯ஺£ᨚ᝱ᵯᨵᦔ¹ᓽvºnoᕜ}Ḅᵯᕜ}ᑖ+ipḄᨵᦔ¹஺z᝱ᵯ>ᵯ~ᕜ}ᑖ+⊦»¼_vḄᐰᵯ஺4.%&'½¾ᵯR?/¿PÀdᵯRᨵ%&ᐵ-ᵫBP✌Ã4ᐸᨬ!ᢥP✌ÃᵯRὃ⇋ᓽ½¾ᵯRÇÈPÀdᵯRUNÉ5%4.ᙠ(▲ᜧ*+-.3ᵯ[ᓫᵯᔜ¿ᵯᨵ%&ᐵ-1^/1^=73/2=0.866-18-@ᵯᢈ⚪

18¡ËÌÍ4ᩈ◌HenanPolytechnicInstitute@ᵯᢈᘤr/=————ÓᨵÔÕஹHÕஹ×ÕYᢙZ]£+Z+Z3Ì2EÌr3ᵨ=:ஹ4.AnÙÚᐵᵯᘤᐸJzdq[Ûzdq᪥ÝḄᩩßᔜ>%&Jzdq᪥Ýᩩßz*Ûzdq᪥Ýᩩßi;t>e

19a4.àÌᔆ@ᵯ-.᝞âãᡠä஺åæᵯ,-.çèéᘤSN10—10II஺êëÌᔆ8ᵯᡠÉR10kVOPQk-11[ìR380VOPQk-21Ḅᵯ[*+஺í1.ëk-11Ḅᵯ[*+%=10.5kV
Ó1
½¾ᵯ3ᔜᐗßḄᵯᢙïðᵯᢙ1
ᵯ,-.Ḅᵯᢙᵫ▬ò⊤8ôESN10-10IIéᘤḄé*+s4=500MV-A,£l(io.W==0.22஺S500MV-Aoc2
ö÷PḄᵯᢙô⊤3-1EX°=0.35Q/km-19-@ᵯᢈ⚪

20øËÌÍ4Ḅᛞ/HenanPolytechnicInstitute@ὊᵯᢈúrX=Xl=0.35
0./km,x5km=1.75fl2G3k-1Ḅᦔᵯᐸᵯᢙxi*-i=xi+x2=0.220+1.750=1,9702$%ᵯ&'()1$%ᵯ&ᕜ+ᑖ)ᨵᦔ.$=-=^i—==3.083-KXE*T73x1.9702$%4ᨚ᝱ᵯ&'7᝱ᵯ&/"°=/*=;=3.08஺3$%=>ᵯ&?@ABᕜ+ᐰᵯ&ᨵᦔ./=2.55/"°=2.55x3.08D=7.85M/£=1.51/"ব=1.51x3.08M=4.65஺4$%()S2|=01=V3x10.5^Vx3.08M=56.0MV-A4.kTḄᵯᵯᢙ᪗P.?$%ᵯ&'()-20-QRSTᵯᢈVW⚪Y

21
^\Z[1ᜐ]4^_`▾HenanPolytechnicInstitutebcRSὊᵯᢈVeᘤghi4.k-2Ḅᵯᵯᢙ᪗P.?$%ᵯ&'()4.jklᔆnᵯᡠ380Vpqrstᨵ250kWvwᵯxyAz{ᙳcos0.7,ᦔ᳛L0.75,380VqrḄᵯ&/3=33.73=62.03qrᵨLMYT00X10Ḅqr_{{᫏900mm,᫏ᦪᜧ2,%%qrḄr160mm஺qr$%ᡠḄᨬᜧᵯx᪥ᐸx7஺᝞¡¢qrḄ£¤x¥¦0.6s,§¨©ᘤḄ©¦0.1s஺qrª«¬ᨬ®¯55஺஺஺᪥ᐸ°7஺3.ᨵAy±²¦³ᨵ´µly¶52zᐳ200kW²1zஹᐳ5.lkW"=l*¹ºy2zஹᐳ5kW»y3zஹᐳ10.5kW¼=6½%஺²¦ᵨ220/380V$%¿rᑴTN-CÃÄSᵯ஺Ų¦ḄÆ₹Èஹ3ஹSe'4஺5ᑖ4=428HF=69.4*W᜜=81A5*⁐“&=123M2.ÌᐵÎᜮ¦ÐÑᵯÒḄ᪷ÔÕÖ×ØÙÚÛÑᵯÒᨵÜÝÞßàÚᐸáᨬâḄÞßà×ØÙÚãᢝᵯÒå⌕☠ØÙÞßàÚÐÑᵯÒḄÕÖèÎᜮᙠᑖ©ᵯ&ÎᜮÔê?ÎᜮᕜëḄìíáîᨵᜧ)ïðÞḄᵯñᙠ᜜µᵯ¨òóᜧÐÑô-21-QRSTᵯᢈVW⚪Y

22.•জZ÷Iᓅù4^_`▾HenanPolytechnicInstitutebcRSὊᵯᢈVeᘤghiúḄᵯÞûÛÑᵯÒ஺ÐÑᵯÒḄÞßàè(1)°ᵯÛü•èÎᜮᑖ©ᵯ&□᩽⊤☢ᜧᵯᦈᐝᦿᜮ⊤☢ᵯᔾᦈᑮᜮ◣ᡂᵫᵯ஺(2)ᵯ#$ᜮ%&'ᵯ#(ᜧᜮ⊤☢ᵯ)(*+஺(3),-./$0ᵯ,-ឋ234ឋ235ᡂ6/7ᵫᵯ8/9:;ᜧ<=2>?@AᵯB஺(4)./$ᵯBDE10000᤬GᵯBḄឋ23./I6/7ᵫᵯ஺ᨬ'Ḅ./KL$ᵯ஺MᢝᵯBO⌕☠$,-./@AᵯB./MᢝᵯB஺2.4ᵯBᰐSḄᩩUVWXYᰐSᵯBḄZ./KLᨵ\]?%ᐵᵯᘤᨵ\]aᵨḄSBKcYᵯBᰐSḄᩩU$Z./᳛ு./᳛ᰐSᵯBḄZ./KL$6fgᵯ23Ḅ“iᔠ”lmᡂIឋ236fgᵯ23Ḅ“᡽ᦣ”4ᵯBpgᵯ23qr%ᐵᵯᘤaᵨḄSBKc0+SBcஹtᓾSBcஹᔿBSBcஹwBᑗySB-22-z{|ᵯᢈ~⚪

23.•জIᓅ4+▾HenanPolytechnicInstitutez{Ὂᵯᢈ~ᘤcஹBᑗySBcஹSBcஹSBcஹSF6SBc஺2.◞/%ᐵᨵ\]?ᨵ\]᪀ᱯ3Y◞/ᵯஹ¡¢£ᜓ7¥¦Ḅ§ᐰ©ª஺&%«ᨵ¬®¯Ḅ&%◣°ᨵ±²ḄSB³´µᐕ·gf₹¹º®»¼&µ½¾2AḄ¿5ᘤஹᵯÀᵯµ½¾5AḄ¿¥¦Á&¦ᘤ|ᔠ4ᵨ஺2.f₹%ᐵᨵ\]?®³£WX¡Ã³´YÂ☠WXᩭÅ*y¦¡ÃY$ᐹᨵÇᓫḄSB³´¼&ÉÊḄf₹ᵯ7¾f₹ᵯ஺®³£ῃᡷᘤ¡Ã³´ÂÁᰚ&ᘤÎὶ4ᵨÐÑᰚ&ᘤᩭÅ*y¦¡Ã஺2.&¦ᘤᨵ\]Y$¼&f₹ᵯᑭy¦ᵯÓᙠ¡Ã³´ºᵨÕÖ×Øᑗ◀y¦ᦑÛ஺2.ᰚ&ᘤஹ◞/%ᐵஹf₹%ᐵஹÜ&¦ᘤÝÜᑐ%ᐵᙠ⌱à<\]◤᪥ã&äY\]◤᪥ãy¦ÖஹåÊY᪥ã&ä$ᰚ&ᘤஹf₹%ᐵஹÜ&¦ᘤஹÜᑐ-23-z{|ᵯᢈ~⚪

24æ)èéê4+ᩈ◌(HenanPolytechnicInstitutez{|ᵯᢈ~ᘤ%ᐵ஺᪥ãy¦ÖஹåÊ$◞/%ᐵஹf₹%ᐵஹÜ&¦ᘤ஺2.éᔆᡈð5ᵯᡠḄO5ᘤòᦪ᝞õÊYO5ᘤÀö÷᝞õÊYòᦪ⌱à$ø:ᵨᵯf₹ù{ᵯ®☠ឋḄ⌕úùû⁚ឋf₹ᡈýþf₹5Öÿᜧ
ᵨ஺ᵯᡠᵨ
ὃ⇋₹Ḅ
ᨵᙢ஺!ᘤ#$Ḅ⌱&'()!ᘤs„>s30()0!ᘤ~°-7ᵯ஺‘NT—330(1+2)ᵯᡠᓫ#$6▲'1000KVAᡈ1250KVA2.ᵯ@!ᘤAᑡCDEFGHᩩJK(1)!ᘤḄஹOPQᵯ!CDRST஺(2)!ᘤḄUᢙᵯ!(WXᵯ!)CDST஺(3)!ᘤḄYZ[\CDS]஺(4)!ᘤḄ#$_$S]ᡈS`
ᨬᜧ#$bᨬc#$defgh3'lo2.ᵯklmᘤnᵯ!lmᘤoᵨpqrs⚗Kᵯklmᘤoᵨqrs⚗'(1)uvpOPwfxyX
-24-z{|}ᵯᢈ⚪

25.•জIᓅ4▾HenanPolytechnicInstitute{|Ὂᵯᢈᘤ(2)OPwᨵCDZᙢ
(3)ᵯklmᘤᙠYZp
⌕qrᐸḄ᩽ឋ஺ᵯ!lmᘤḄoᵨqrs⚗'(1)uvpOPwfxWX
(2)OPwᨵCDZᙢ
(3)lmᘤᙠYZpqrᐸḄ᩽ឋ஺5.Ruᔆ}ᵯᡠZᨵGH⌕K}ᵯᡠZ¡ᨵGH¢ᑴ?ᔜ〉ᵨ§GH¨ᔠKRuᔆ}ᵯᡠZḄ⌕'ªᐰஹ¬☠ஹᮣ¯ஹ஺Z¡¢ᑴ°'±²Z¡——ᵨ§}ᵯᡠḄ´,(¶Z¡——ᵨ§}ᵯᡠ·u¡´oᵨ஺5.}ᵯᡠᡠᙬ⌱&ὃ⇋GHᩩJKᡠᙬ⌱&Ḅ¹ᑣ'Z`₹´»ÂᒓÄÅÆᡈÇÈḄ¨ᡠ¼½¾ÉÊËஹÂῖ⇨ឋÎÏZ`ᵯ¿wfᙠᔓᡠஹᨵḄÑ)ᜓÁ¾fᙠᨵᰦÓᓻ◅Ḅᙢ4.Ö×}ᵯᡠ10kVØWXpḄR=2.86Ú
XḄÛÜᵯkÝ350A,ÞᵯßàÆvpÝ1.1s,áXᘤáXpâ0.2s஺ã⌱&10kVÇ!}ᵯᡠ¼wḄÇ!ᡝᑁËæáX-25-z{|}ᵯᢈ⚪

26.•জ)Iᓅ4▾HenanPolytechnicInstitute{|ὊᵯᢈᘤᘤḄçèé஺ê'ëì⌱ᵨSN10-10
᪷îXÛÜᵯk
ã⌱SN10-101áXᘤᩭ¼᪥ñ
᝞Ñ⊤ᡠô஺᪥ñõö
ᡠ⌱SN10T0I÷ᔠéḄ஺()ᙢùḄᵯÎᩩJSN10-10I/630-300áXᘤøç⚗úᦪî⚗úᦪîõü1%10kV%lOkVᔠé2,30350A1N630Aᔠé32.86kAᨌ16kAᔠé2.55X4þ)'max40kAᔠé2.86kA=7.29kA2.862X5ÿ2162x4=1024ᔠ(1.1+0.2)=10.65.10/0.4kVᵯᡠ₹1200kVA,ᐸஹ₹680kV•Ao⌱ᵯᡠᘤḄᦪ!"஺$%᪷'ᵯᡠᨵஹ₹Ḅ)*+,⌱-ᘤ஺.!"S..T=(0.6-0.7)X1200kV-A=(720-840)kV-A,/•A,+,.ᘤ!"800kV•Ao-26-0123ᵯᢈ56⚪8

27.•জ=>?IᓅA4BCD▾HenanPolytechnicInstituteFG12Ὂᵯᢈ5IᘤJKL3.0ᨵS9-800/10A3ᵯᘤUS9-2000/10A3ᵯᘤWᑡYZᙳDynllὶa஺₹bᑮ2800kV•Agᘤhi⌕k₹?k₹mbnop$%WᑡYZḄᘤqrḄ₹ᑖ3tUuᢙ᪗xyᡂ{|Ḅ஺ᘤḄuᢙ᪗xyᢥ~=.S=\00MV-A=lO5KV-A;d100SN▬⊤5-1,S9-800ᘤ(Tl)Ḅ4%=5,S9-2000ᘤ(T2)Ḅ4%=6,-ᘤḄuᢙ᪗xyᑖ(S=W5kV-A):dτ5xl05kV-AZ=----------------------=0.251T7I“100x800JtV-A,I6x,10^V-A^3()011100x200(RV-Aᙠ₹b2800kV-AgᔜḄ₹ᑖS=2800kV-Axߟ——=90SkV-ATI6.25+3.00ST,=2800kWAx——%-------=1892kV•A6.25+3.00ᘤ(Tl)ik₹(908-800)kV-A=108kV-A,ikᐸ,!"13.5%஺ᢥ,,ᵯᘤᐕk₹mb20%(ᡝᑁ)ᡈ30%(ᡝ᜜)o¤¥ᘤk₹13.5%¦tᙠᐕ¨ᑁḄ஺-27-0123ᵯᢈ56⚪8

28©)ª?«¬A4BᩈD◌(ihlenanPolytechnicInstituteF0123ᵯᢈ5IᘤJKL¯᜜°±²-ᘤḄ!"|ᩭ´800kV•A%2000kV-A=l%2.5,µ¶bᑮ·¸ᐕḄ!"|1%3¹ὃ0⇋ᑮ₹Ḅ¼½YZḄᮣ¿ឋS9-800/10AᘤÁᣚÃÄᜧ!"Ḅᘤ஺47.ÇஹÈÉÊḄËÉÌᨵhÍÎpËÉÌᨵ%ÏÐஹ᪛ÒஹÓÔ஺48.ÕÖÉÊᵯ×ÉÊḄØᡂ஺Øᡂ%ÙÉஹᵯᩚஹÛÜÝஹÉÊஹÞᐹà஺5.ÙÉᵯ×Ḅ⌱áâãhäᩩæp¼çᩩæᵯèὑᩩæêëᵯìíîïðñ஺5.ᨵᩩòᵨBLX-500A÷øùúÉûᦱḄ220/380VḄTN-SÉÊÉÊᵯì150A,þᙢᨬ
ᨴᙳᨬ+30஺஺஺ᢥ
ᩩ⌱Ḅ☢஺(1)☢4Ḅ⌱"▬$⊤19—1()᛻+30஺஺,-ᦱḄBLX-5004☢50mllI?Ḅ9:;<Ḅ1=163A>l30=150A,CD
ᩩ஺E☢⌱A^=50mm2஺(2)Hឋ☢A஺Ḅ⌱-28-JKLMᵯᢈPQ⚪S

29.•জ`abIᓅ44def▾HenanPolytechnicInstituteUVKLὊᵯᢈPXᘤZ[\ᢥA020.5A஺,⌱A0=25mm2஺(3)hi☢A’EḄ⌱ᵫkAs>35mm2,ᦑ⌱20.5Ap=25mm2஺ᡠ⌱4pq⊤rBLX-500-(3X50+1X25+PE25)05.u⚪ᡠrTN-Sy᝞{|ᵨBLV-50049:ᛛᧇᛛᧇᙢᦱyᙢᨬ
ᨴᙳ+25஺஺஺ᢥ
ᩩ⌱☢ᑁ஺"▬$⊤19-3(+25஺஺,5᪷ᓫ:ᛛᧇ(PC)ḄBLV-5004☢120mm2Ḅᐕ1=i60AுI=150A30OEᢥ
ᩩy☢⌱120mm?஺Hឋ☢ᢥA020.5A஺,⌱A°=70miM஺hi☢ᢥAPE10.5A.,⌱A,E=70mm2஺Ḅᛛᧇᑁ"▬$⊤19-3H5᪷(A:120mnP)80mll1஺⌱{q⊤rBLV-500-(3X120+1X70+PE70)-PC80,ᐸHPCᛛKp஺5.ᨵᩩᵨLGJ4¡:9¢Ḅ5km¤Ḅ35kV¢¥,¦§¨₹2500kW,cos᜛=0.7,T=4800ho⌱ᐸ±²max☢y³᪥µᐸ
ᩩ¶·¸¹+஺(1)⌱±²☢-29-JKLMᵯᢈPQ⚪S

30.•জ)abIᓅ44def▾HenanPolytechnicInstituteUVKLὊᵯᢈPXᘤZ[\I=P3஺-250(W=589A30MU—ᵬV3x35^x0,7ᵫ⊤5—3"(jjl.15A/mm2Aj58.J=51.2mm2\A5AImm~⌱᪗½☢50mm2,ᓽ⌱LGJ-504¡:9஺(2)᪥µ
ᩩ"▬$⊤16(LGJ-50ḄᐕI஻=178A>I=58.9A,3OCD
ᩩ஺(3)᪥µ·¸¹+"▬$⊤14(35kV¢¥¡:9ḄᨬÁ☢A=35mm2

31)aᨵäåæQdef▾HenanPolytechnicInstituteUVKLὊᵯᢈPXᘤZ[\ᵯÒÓὑ5%⌱ÑḄ☢஺00.4kW/mCOMP=0.820kWCO$9>-0.8ç1`ḄèᦔêᣚìÝaᡠríᙳᒴᑖb¨₹ḄyèᦔêᣚÝbᡠrðH¨₹Ḅ஺50m0.4kW/mcoswO.820kWcos

32.•জ`abIᓅ44def▾HenanPolytechnicInstituteUVKLὊᵯᢈPXᘤZ[\(2)ᢥ
ᩩ⌱☢HḄᨬᜧ¨₹(¦§¨₹)p=Pi+P2=20kW+20kW=40᝕WQ=%+“2=15ᦇvar+15kvar=30kvarS=-JP2+Q2=44()2+3()2HZ.A=50kV-A,S50kV-A…i—______—____________—76A’6uN6x0.38”"▬$⊤19-1,(BX-5004A=10w?ᙠ30C-ᦱ,Ḅᓃ=77A>/=76A஺⌱3᪷BX-500-110⌱1᪷BX-500-1X10PEN஺(3)᪥!"#$%&▬(⊤15,+ᑁ-ᦱ/0ᨬ23☢516278ᡠ⌱:;"#$%⌕=஺(4)᪥!ᵯ@Aὑ&▬(⊤6,BX-500-1X10ḄᵯDE=2.19Q/A஻?,ᵯᢙ(Mᢥ150஻?஻OP)X=0.3IQ/kmoSḄᵯ@Aὑ5oBu~[(pJi+2Y2)&+(9Ji+qJ]Q\/uN=[(20x0.04+20x0.055)x2.19+(15x0.04+15x0.055)x0.31]/0.38=12VAU%=100At//t/,=100x12V/380V=3.2%

33.•জIᓅd4▾HenanPolytechnicInstitute|}Ὂᵯᢈᘤᨵpq⌕=Otᵯuvwxyᰚᘤஹ@Sᘤஹᵯvw஺⌕=⌱ឋஹ¡ឋஹ☠ឋஹᮣ¤%(ᮣ¤lᦪI,.X,=¦)஺1opA4.᝞⌱SᰚᘤḄᰚ¨O1ஹvwᵯ©S1N.FE~1301N.FE—KIPKN.FE-KoJ”2ஹvwᵯ©ª@ᘤ1N.FE=(L5~2.0)]N.Tὃ⇋ᰚ¨ᵯu⌕®tª@ᘤᐕjḄ¯rt°₹ᵯuᰚ¨ᵯu⌕®tª@ᘤ@²ᵯ"³¡Ḅ´µᵯuᰚ¨ᵯu⌕®tª@ᘤ¶·¸¹ᵯu஺3ஹvwᵯ@º»ᘤRN250.5A4.⌱ᰚᘤ¼½ὃ⇋pqᩩ¿OᰚᘤḄÀÁᵯ@½ÂÃSḄÀÁᵯ@஺-33-{|}~ᵯᢈ⚪

34.•জIᓅd4▾HenanPolytechnicInstitute|}ὊᵯᢈᘤᰚᘤḄÀÁᵯu½2ÃÄᡠxᰚ¨ḄÀÁᵯu஺ᰚᘤḄÀÁÅd½:;ᢈ⌕=஺6.ᑖ᪆Á¼▲tᵯuvwḄÉᳮ஺Á¼▲tᵯuvwxyḄÉᳮᵯS᝞ËᡠÌᐸkÉᳮ᝞ÎÏÐÑᵯSÒÓÔÕS¼ᵯuᵯᘤKA×¼¡ØᔠᐸÚÛܼÔᵯᘤKT¡஺KTÞt᦮ÁḄ¼▲àᐸá¼ÚÛØᔠÜâὶḄäåᵯᘤæᵯudKSènÔᵯᘤKM¡஺KS¡àᐸᢣÌëᣵÎí¼îïäåðSñòóᐝäåèõöäå஺KM¡àîï÷¹ᙌYRðSÜSᘤQF÷¹ᑗ◀ÕSᦑÿ஺QFᐸQF1—2ᑗ஺ᙠᦑᑗ◀ᵯ◀KS᜜Ḅᐸ%ᡠᨵᵯᘤᙳ*+,-./᝱1KS23+45஺67▲9ᵯ:Ḅ;ᳮᵯ=a@AB=b@DE=-34-FGHIᵯᢈKL⚪N

35OPQRS4TᩈV◌ellenanPolytechnicInstituteXFGHIᵯᢈKYᘤZ[\4.^_ᘤ᝞a⌱cd⌱c^_ᘤefgḄᩩij^_ᘤḄk6ᵯ_l^mBḄk6ᵯ_஺^_ᘤḄk6ᵯ:lnmoᡠpḄῃᡷᘤḄk6ᵯ:஺^_ᘤḄsSetᔠpஹஹwxyzḄ⌕|஺4.^_ᘤḄ}7ஹ~7~79:ῃᡷᘤḄ+xᵯ:ᔜ᝞a᦮6?ᐸῃᡷᘤḄ+xᵯ:᝞a᦮6d(1)}79:ῃᡷᘤ+xᵯ:Ḅ᦮6+xᵯ:I>K,I2☠ᦪK.0PWrepkOW:1.35;OZ:2~2.5(2)~79:ῃᡷᘤ+xᵯ:+x7Ḅ᦮6+xᵯ:l>K,IK1.2op(5)repk+x70.2s,0.4s,0.6s,70.2s(3)~79:ῃᡷᘤ+xᵯ:ᑭ+x7Ḅ᦮6+xᵯ:/"4K1.1rel+x7j7▲ᨬl-2h(4)ῃᡷᘤ+xᵯ:Ḅ᦮69₹I>KIK.LI0PrKrel305.ᨵYSᵯ+ᐸk6ᵯ_380V,k6᳛-35-FGHIᵯᢈKL⚪N

36.•জ@aPIᓅS4T¡V▾HenanPolytechnicInstituteX£GHὊᵯᢈKYᘤZ¥\18.5kW,k6ᵯ:35.5A,-+ᵯ:¬ᦪ7oF¯°ᵨBLVSµB¶·A¸¹ᦱ»஺¼ᵯ+°ᵨRT0Sᰚᘤxᵯ:ᛞᨬᜧ2Ã13kA஺Ä⌱cᰚᘤÅᐸᰚÆḄk6ᵯ:Ç⌱cµBÈ☢¸¹ÊË(Í᛻ÏÐ+30࠷)Ôj(1)⌱cᰚÆÅᰚᘤḄk6ᵯ:I^I=35.5ANPE30INE2Kl=0.3X35.5AX7=74.55A(ÜÝPKÞ+K0.3)ᵫ▬á⊤10T,⌱RT0T00SᰚᘤIMW=100A,ᰚÆ⌱INPE=80Ao(2)᪥æᰚᘤḄ:çèé▬á⊤10T,ᰚᘤḄI࠷=50kA>ëব=/[=13kA,ᐸ:çèfg⌕|஺(3)⌱cµBÈ☢¸¹ÊËᢥïᩩi⌱cé▬á⊤19-2òA=10mm2ḄBLVSôõᛛᧇB᪷¶¸¹7j1HMe=41A>I3஺=35.5A,fgïᩩiüe⌱¸¹SC20mmo᪥æþÿ
▬⊤15,Ḅᨬ☢2.5mm2<10mm2,⌕஺(4)᪥#$%ᰚ'ᘤ)*Ḅ+ᔠ-36--./+ᵯᢈ23⚪5

37
^\671ᜐ94:;<▾HenanPolytechnicInstitute>?./Ὂᵯᢈ2AᘤBCDᵯEFGHᙠJKLMᑁOᰚ'ᘤPQR)*ᵨO$%ᰚ'ᘤ)*Ḅ+ᔠᩩU
IN,PEW2.51u/-I,,=80A<2.5X41A=102.5A,ᦑᰚ'ᘤ)*%$Ḅvpt+ᔠ⌕஺6.ᑖ᪆ᙠᓫZ[ᙢ)*]O^_ᵯ`)*aᳮ஺aᳮ᝞d:᝞fᵯgWL1ḄAZkl[ᙢᦑmOAZnoᙠpᙢᵯqᵯ`,BZsCZᨵpᙢᵯqᵯ`஺ᵯgWL2sWL3wxᨵBZsCZᨵpᙢᵯqᵯ`஺ᡠᨵz{pᙢᵯqᵯ`|⌕}~[ᙢᦑm஺ᦑmᵯgAZ`~ᡠᨵᵯqᵯ`sO%JᵯgḄᐸḄBZsCZᐸ᜜ᡠ`~Ḅᵯqᵯ`ាO◀ᦑmᵯg᜜ḄᐸᵯgḄᡠᨵᵯqᵯ`1316ᑣ}~ᵯgᜮ[ᙢ`ᐭᙢ]஺[ᙢ`~ḄzJn⊝ᵯ`^_ᵯ`⌕ᙠ^_ᵯ`ᘤTANḄ¡]¢l£¤O¥TANḄ¦§¨©ª«ᵯE¬O¥[¦§®Ḅᵯ`¯ᵯᘤKAEPOk«±²³´஺µ¶·¸
ᵯgᜮḄ[ᙢµ¶~^_ᵯ`ᘤḄ¡Oᔲᑣ[ᙢ)*Hºn»PᵨO᝞¼ᡠ½஺-37--./+ᵯᢈ23⚪5

38஺6¿ÀÁsÁ:;<ḄllenanPolytechnicInstitute>?./Ὂᵯᢈ2AᘤB¾D4.᝞d¼ᡠ½OÂFU1RTOÇḄ1ÈÉ=100A,FU2RM10ÇḄIM%2=60A஺kḄÏZQRᵯ`/f=1000A஺ÒÓ#FU1sFU2ÔᔲÕ⌱×ឋ+ᔠ஺Ù
ᵫIMPEI=10°AsIÞ=1000A▬⊤10—2àát¢0.3s஺ᵫINE=80AsIK=1000A▬⊤9—2àát^O.08so23=0.3sு3t2=3x0.08s=0.24sêëFU1%FU2Õ)ì⌱×ឋEP஺5.ᨵJᩩ380VEîR,I=120A,I=400AïR✌ñ3OW-38--./+ᵯᢈ23⚪5

39
^\671ᜐ94:;<▾HenanPolytechnicInstitute>?./Ὂᵯᢈ2AᘤBCDḄI,=18.5kA஺òᙢó᛻õ+30஺Ò⌱×ëRḄBLVÇ$Ḅ☢ஹḄøᛛᧇûüR✌ñHÂḄDW16Çþÿ
ᘤᐸῃᡷᘤḄ஺1⌱
ᘤᐸῃᡷᘤ▬⊤11,DW16-630
ᘤḄῃᡷᘤ"#ᵯI=160A>I=120Awo/f30./⌱DW16-6300
ᘤ1ᐸIM°160A.234ῃᡷᵯ᦮#6371°9=3X160A=480A஺=K?Ip"L35X400A=540A,DEF1G஺NKIIJḄ⌕L஺᝞᦮#64741I஺,9=4X160A=640AுKREJPLL35X400A=540A,EFOPQᵯḄ⌕L஺᪥STU⊤11,DW16-630
ᘤI=30kA>If=oc18.5kA,EF⌕L஺2⌱YZ[☢ᑭ^Zᛛᧇabc▬⊤19-3,eA=70mm2ḄBLV0jkᛛᧇZᙠ30࠷4:Iw=121Ao᪷Z^aுI—120A,ᢥstᩩv⌱A=70mm2,ac⌱650mmo᪥Swxyz▬⊤15,ᨬ|[☢62.5mm2<70mm2,ᦑEFwxyz⌕L஺3᪥SYZ
ᘤḄᔠῃᡷᘤ᦮#6I”য=640A,=4.51“4.5X121A=544.5A,DEFI”9W4.5ᓃḄ⌕L஺YZ[☢ᜧ695mm஺-39-ᵯᢈ⚪

40)QᩈḄ(HenanPolytechnicInstituteᵯᢈ¡ᘤ¢£¤IJ147A,4.5I=4.5xl47A=661.5A>I=640A,EFYZa/OP(0)¬ᔠḄ⌕L஺®¯Ḅ^Zᛛᧇabcᦋ⌱665mmo6.±10kVᵯUZ
1᝞²³ᡠµ஺¶·TA1Ḅ¹º6100/5A,TA2Ḅ¹º650/5AWL1WL2ḄᵯᙳO¼ᵨ¾®¾¿ᵯᘤÀÁZ1¿ᵯᘤᙳ6GL-15/100஺KA1᦮#ḄÃÄᵯ67A,107ÃÄᵯḄÃÄ4▲6IsWL2oḄÇÈᵯ628A,WL2✌ÊkTËḄo®Ì
ᵯ6500A,ᐸÍÊk-2ËḄo®Ì
ᵯ6160A஺Î᦮#KA2ḄÃÄᵯÃÄ4▲1ÏÐSᐸᮣÒz஺(1)᦮#KA2ḄÃÄᵯÓlL.x=2I=2X28A=56A,K=l.3,K=0.8,K,=50/5=10,K„=1,ma3Ore,ffI5×ᓰIe=1^-x56A=9.1Aফ▾L0.8x10᪷ÚGL-15/100¿ᵯᘤḄ1ÃÄᵯ᦮#69Aoফ᦮#KA2ḄÃÄ4▲Ü#KA1ḄÝ▭ÃÄ4ß1ᵫák-1Ësâo®Ì
4KA1ãḄᵯ6-40-ᵯᢈ⚪

41.•জIᓅ04é▾HenanPolytechnicInstituteäὊᵯᢈ¡ᘤ¢£¤I•g=-L.,=—X500A=25AA-1(1)KrziপK-l஺*íI஺পïKAIḄÃÄᵯ7ᦪ6n”=ò=3.6,Kপ7Aᑭᵨn=3.6KA1¶᦮#Ḅ4▲tl=ls,▬⊤21-2ḄGL-150¿ᵯᘤḄÃÄᱯឋöZ1÷KA1ḄÝ▭ÃÄ4ßt’ù1.6s஺KA2ḄÝ▭ÃÄ4߯6t=t-At=l.6s-0.7s=0.9s2k-1Ësâo®Ì
4KA2ãḄᵯ6ú=±X5OOA=5OA1ফK,ফ110ফïKA2ḄÃÄᵯ7ᦪ6«=—=^=5.62ফ9Aᑭᵨ஻2=5.6KA2ḄÝ▭ÃÄ4ß4=0.9s,▬⊤21-2ḄGL-150¿ᵯᘤḄÃÄᱯឋöZ1÷KA2¯᦮#Ḅ107ÃÄᵯḄÃÄ4▲612Q஺-8s஺(3)KA2ḄᮣÒzÐSKA2ḄZ
WL2ÍÊk-2Ḅ¾®Ì
ᵯ6ᐸᨬ|Ì
ᵯ1ᓽ/
n=0.8667^2=0.866X160A=139AKA2Ḅᮣs*=0=3=1.54>1.5!""2)KJopফ10X9AᮣḄ⌕&஺-41-()*+ᵯᢈ./⚪1

42.•জ<=>Iᓅ@4ABC▾HenanPolytechnicInstitute23)*Ὂᵯᢈ.5ᘤ7895ஹFGHIᵯᡠKᨵMN10/0.4AஹlOOOkVAḄISᘤ஺TUISᘤVSWXYḄZ[\]ᵯ^//)=16kA,`SWᵯ^abᘤI^c100/5A,dᵯᘤeᵨGL-5/10@jkᡂm[mdᵯᘤn஺o᦮qrdᵯᘤḄstᵯ^ஹstu▲wxyᵯ^zᦪ஺|(1)~ᵯ^stᵯ^Ḅ᦮qK“7=l.3,jw=LKF0.8,(=100/5=20,//max=2/|"r=2XlOOOkV*A/(X1OZV)=115.5Aᐸstᵯ^l°p=13x1xl15.54=9.4A0.8x20stᵯ^᦮q9A஺(2)~ᵯ^stu▲Ḅ᦮qGHIᵯᡠIᵯᡠjᐸ~ᵯ^Ḅ10zstᵯ^Ḅstu▲᦮q0.5so(3)ᵯ^xyxyᵯ^zᦪḄ᦮qK,w=1.5,.max=16MXQAkV/10feV=0.64M=640A,xyᵯ^&=H^X640A=48Aqh20xyᵯ^zᦪ᦮q஻ẚ==5.37.]?ᒹ¡¢ᑖ¤](ᓽᵯ])ᢣᵨᩭ¨ᑴஹᢣªஹ«¬wMᵯ]®Ḅᵯ]j¯°±²jᒹ¨ᑴ±²ஹ³´±²ஹ«¬±²ஹdᵯwµsᓄ±²·஺-42-()*+ᵯᢈ./⚪1

43.•জ<=>Iᓅ@4ABC▾HenanPolytechnicInstitute23)*Ὂᵯᢈ.5ᘤ7897.]¸tᵯ¹¤ºᵨḄ»^¸tᵯ¹ᨵ¼½¤]Ḅ¸tᵯ¹*`Sy]ᘤᑖஹᔠ¿]wdᵯwµsKÀஹ³´]ஹ«¬±²ÁᐸÂ]ᡠ◤Ḅᵯ¹஺ºᵨḄ»^¸tᵯ¹ᨵÄż½ÆM<ᵫÈᵯÉÊ*ᵯḄ»^¸tᵯ¹jË⌕ᨵÌ⏚ÈᵯÉw╍ÏÈᵯÉm½஺Æ<ᵫ᦮^KÀ*ᵯḄ»^¸tᵯ¹jË⌕ᨵấ᦮^ᵯÑÒÓnᑭÕn᦮^m½஺7.]ḄÖKkY×Øᔠ¡⌕&¤1.ᢥ
ÚÛjkYÜÝ஺2.ÞYßᵯàᐗâHeᵨã᪝åkஹækஹçkᡈSk·jᙳ×ᱞëì☠஺3.îஹïᑁḄÞYñ×ᨵkᜮjÞYóY×ôõö஺4.ᵯ÷óYwÞYḄ¢ᙳ×᪗ùᐸ]ú´jûüýᨎÿ᧕ῃ⁐஺5.᦮ஹᨎஹ஺6.Ḅ!"#2᪷%&'()*+☢Ḅ-᪷!ᙠ*/0%&'1᪝34-᪷56789:ᱏ஺7.<=>?ᙢABᵨ1᪝஺-43-DEFᵯᢈIJ⚪L

44.•জWXYIᓅ[4\]^▾HenanPolytechnicInstituteMNEFὊᵯᢈIPᘤRST8.aஹbᑁḄ<=>?dᵯe>?fᵨᵯgh'500VḄlmᐸ+☢o'2.5mmᐸr>?+☢o'1.5t2%&ᵯᐗv>?ஹwᵯ>?fᵨ┱y35ᙠz{|e}~ᵯgᨵ{Ḅfᵨo'0.5nlm2+☢Ḅ஺7.“ᔠARDWḄᳮ᝞ᡠ¡YR£ᙌYDᔠᙌK0ᔠ¦ᘤ,KARᔠ¨ᵯᘤ©ᔠ5ᢥSB1,ᔠ¦ᘤK0®ᵯ¯°ᔠᙌY0±?ᘤᔠ஺©ᑖ5ᢥSB2,£ᙌYR®ᵯ±?ᘤᑖ஺4/=ᵯ?³´µ?ᦑ·5¸¹º»ᐸ¼½¨ᵯᘤKM¦¿Àᔠ®£ᙌYR>?±?ᘤQF£஺ÃÄ*5±?ᘤÅƦ¿QF3—4Àᔠ%°Êᔠ¨ᵯᘤKARËÌ᦮ÍḄ5▲ÏᐸÐ5ÀᔠÑÒ¦¿Àᔠᔠ¦ᘤK0®ᵯ¯°±?ᘤᔠ஺᝞Ó/=ᵯ?Ḅµ?ᦑ·-44-DEFᵯᢈIJ⚪L

45.•জWXYIᓅ[4\]^▾HenanPolytechnicInstituteMNEFὊᵯᢈIPᘤRSTÔÕ5ឋḄ×ÌØ◀ᑣᔠᡂÜ஺᝞Óµ?ᦑ·ÝÞØ◀ᑣ¸¹º»ß⌕ᐸ¼½¨ᵯᘤKM¦¿Àᔠß±?ᘤ£஺ᵫ'/=ARDfᵨâ■£äå0Þ¡¼WæÄçè=ᔠ஺8.ᵯé᯿ëᨵìíᱯ¿ᵯé᯿ëᐹᨵðᐝòÍஹ⁐óôõஹöᑴø⁚úû~üᐰÌþÿ
ᡂᵨᨬḄ᯿஺8.ᐝᨵᓫ⁐ᐝḄᐝ!ᨬᜧḄ#$%&ᑖ()*ᓫ⁐ᐝ+,ஹ.ஹ/ஹ0ஹ☘ஹ2ஹ3஺555nmḄ/0⁐ᐝ!ᨬᜧḄ#$஺8.456ᐝ7ஹ᯿89:8ᐝ7+;ᐝ78<=ᐝ7>ᐝ?ᙠABᔣḄDE78஺᯿8+F᯿ᱥH⊤☢ᓫK☢LMᢗEḄᐝOP=᯿8஺:8+;ᐝHQRS>ᐝ?F᯿ᱥHT!ᩭVWXYZ[;ᐝH\ᙠ#]ᔣᓫKᢗ^☢MḄ;ᐝ78=:8஺8.456᯿ᐝ?Ḅ_`᳛᝞cᢥ_`᳛eBfᐹhi`᳛ᡈfᦪ-45-lmnoᵯᢈrs⚪u

46.জ\cIᓅ4▾HenanPolytechnicInstitutewxmnὊᵯᢈrzᘤ|}~᯿ᐝ?Ḅ_`᳛>ᓫK☢LM᯿ᐝ?Ḅhi`᳛஺᝞_`᳛P஺9ZḄ☢☢LᑣZ᯿Ḅᨩ`᳛&=64fḄᐝ?`᳛ᨴஹ,=%&'nn8.ZḄ☢☢L36x18¢᪹¤Ḅ¥818%᪹¤¦Z§¨6m,᪹¤)ª«ᙢ5.5m,®Y☢«ᙢ0.75m஺±²ᵨGC1-A-1®ᔆo᯿fQi220Vஹ150W»¼f\YZḄ᯿஺½¾¿eBfᐹḄÀᫀ஺Â+᪷ÄZḄÅÆÇ᪀᯿fᐹÉÊᢞᙠ᪹¤M஺᝞fᐹ)Ì0.5m,ᑣfᐹḄÊᢞÍ8Qᙠ®Y☢MḄÍ8\h=5.5m-0.5/77-0.75m=4.25஻zᵫ▬Ó⊤29-19GC1-1-1fᐹḄᨬᜧ¨Í_l/h=l.25,×ØfᐹZḄᔠᳮ¨«+I<1,25h=1.25x4.25m=5.3m᪷ÄZḄÇ᪀9(MÛÜᡠÞḄᔠᳮf¨ßÀᫀḄf¨Qàcᙳâ\+/=<4.5x6m=5.2m<5.3便eBfᐹÀᫀ᝞)åᡠæ஺çØÀᫀèᔲêë-46-lmnoᵯᢈrs⚪u

47cì®᝕îcᢈᩈ▾lienanPolytechnicInstitutewlmnὊᵯᢈðzñᨔ┶~᯿ôõö¿ÛÜ᯿8ᩭ÷ø஺■--'I司,011—Is—I0®-—1ITS—-0o'!I——s「I$®S!•1I8.ZḄ☢☢L36x18¢᪹¤)ª«ᙢ5.5m,®Y☢«ᙢ0.75m஺⌕ýḄᙳ᯿8",=30ÿ
ᵨGC1-A-1ᔆ᯿220V.150WḄ᯿஺ᵨ᳛ᡠᐹḄᦪ஺!"ᵫh=4.25m,%=301x&A=36X18=648m2,'▬)⊤30+P஺=6W/m2o,᯿-Ḅ.᳛/0"2=61/32x648/=38881/GC1-A-1᯿Ḅᦪ0"ᢥ᳛567Ḅᦪ8☢ᢥᑭᵨ;ᦪḄᦪᶍ=>஺9.⁚@ᵯBCDEFGHIᨵKL⌕NOPᵯBQRSFGHIḄL⌕ᱥUᢈWXẠZ[\Qᑴ@FGHIRSḄ^L⌕_`aBbc⚪QᡃF\QfghiᔜF☢-47-klmᵯᢈWn⚪o

48.•জ)K|Iᓅ4~▾HenanPolytechnicInstitutepqlmὊᵯᢈWsᘤuvwḄ^Lc⚪ᵫᵯBB⌼ᓝḄD_=⁚@IkWhḄᵯBB0F=⌼_⁚@ᵯBᐹᨵᓝᑖL⌕ḄNO஺10.᳛HIf¡?£¤ᘤḄHI¥₹?£¤ᘤHI§¨Ḅi¥₹P0©56ªᜓḄ¬ὑᙠᵯ¯;°±²³Ḅᨵ¬ὑ´3¡,²ᐭ^ᣚ6;ᦪᓽ᳛HIf¡஺¹£¤ᘤḄHI¥₹0º+3)"WPK+K"ஹ,½¹£¤ᘤHI§¨Ḅi¥₹56½¹Z¾Z¿ÀḄ£¤ᘤÁ¹Âá0SN,-¥₹0S0,i¥₹Scr”"\P+K\QKqNfSVScr[Ĺ£¤ᘤ§¨ÅfS>Scr[,Ľ¹£¤ᘤ§¨஺᝞ÇQn¹Z¾Z¿ÀḄ£¤ᘤᑨÉn¹Ên-1¹HI§¨Ḅi¥₹0BP0+K,AQ஺Scr=SNË஻—l)x2.ÎὶᵯÃᘤᙠÐ>ÑÒÓÄᵨÔÕᢗᑗPØᙠÐ>Ñ-48-klmᵯᢈWn⚪o

49
^\KÙ1ᜐÛ4~▾HenanPolytechnicInstitutepqlmὊᵯᢈWsᘤuvwÒÓÄᵨÜÕÝ⁚P10.¤à±⊡âஹä¤à±⊡âEᓫæᙢ⊡âᔜᨵÐ>èéê?ᔜ〉ᵨÑÒ?ᔜìíᵯîï?Cä¤ᵯÃᘤḄíᵯᔜᨵK⌕ðP¤à±⊡â"ñ¤ᵯÃᘤò౪ᙠᔆ£ᵯᡠḄ6ô10kV÷øᐸHIᦔÇûü½ý⊡âþÿ஺ᢗ,ᔆ᳛ᦪḄ⌕ᙠ!"ᜧ$ᔆ%ᵨ'()஺ᵫᵯ,ᘤ.ᵯ/0ᑗ◀3ᨵ56ᵯ756ᵯ7ᨬ9:ᵯ/ᵯ7Ḅ;<=>?@ABᵯ@C,᝞ᵯ7EFᘤ!GHI஺J7⊡LMNJ7ᵯ,ᘤ@AᙠOPQᵯᡠḄJ7ST0஺UV⊡LWXYZQᵯᡠ[Q7ᘤḄ\ᙠ᳛]^._⌱^,aḄ[Q7ᘤZᔆḄᵯbcd]ᙠᔆ%ᵨef()஺ᑭᵨ220Vஹ15n25WḄpqrBᵯs3tu'ᵯ,ᘤIvfḄᢣxr஺ᓫz{ᙢ⊡LMN}ὶᵯ,ᘤI@Aᙠ◤⊡LḄᔜᵨᵯAᜓᑭᵨAᜓḄHIBᵯ஺ᐸ⊡Lᨬᜧ⊡Lᦔᨬ஺UV⊡LWXḄᢗᜧᵯ,ᘤIᙠ⊡LḄᵨᵯAᜓu3tN!}ᑗ◀=ᑭᵨ᳛J஺10.S9-800/10$ᵯQ7ᘤ¡Dynllὶ¦§Ḅ¨©ª₹¬¨©ª₹᳛஺-49-®¯ᵯᢈ±²⚪´

50.•জ§¾¿Iᓅ$4ÁÂÃ▾HenanPolytechnicInstituteµ¶®¯Ὂᵯᢈ±¸ᘤ¹º»ÅMÆ▬È⊤5ÊS9-800/10$Q7ᘤḄᨵᐵᢈ±ᦪÌMÍ=1ÏÐ\p=7.5kW,/0%=2.5,4%=5஺kÕQoa800X0.025kvar=20Avar\Q«800x0.05ßvar=40AvarNàK,=0.1,Ê=Q7ᘤḄ¨©ª₹᳛'Mh.4+0.1x20=J-----------=0.544V7.5+0.1x40Q7ᘤḄ¨©ª₹'MS=0.544x800Z:V-A=435kV-Aec10.çOPQᵯᡠ@ᨵèéS9-800/10$ᵯQ7ᘤ¡Dynllὶ¦§ᐸ¨©Ḅêëª₹<஺ÅMNS9-800/10$Q7ᘤḄᢈ±ᦪÌ®ᐭíXᓽÊᑨð=èéQ7ᘤ¨©Ḅêëª₹¡à3=0.1§'MS”=800kV-4x-4+0Q=615kV-A"V7.5+0.1x40=ôª₹Sீ615kVA3÷!éøôª₹Sù615kVA3ᑣ÷èé}ᑡ஺82.çüýᨵþÿ
ᵯᡠᨵὶ஺ᐸ
ᵯᡠᨵᘤᨵ+5%ஹ0ஹ5%"#ᵯᑖ%ᜮ'ᙠ)%ᜮ“0”,-.ᓽUln345஺678
9ᜩ;<=>ᵯ?ᨵ360V,-50-'DEFᵯᢈHI⚪K

51
^\MN1ᜐP4QRS▾HenanPolytechnicInstituteUVDEὊᵯᢈHXᘤYZ[\]^_;<=>ᵯ`a410V஺de
ᵯᡠ>fgḄᵯijl.m3nop?rsᵨuvᦋᗐyz{83.10kVᵯ70km,ᵯ15km஺eឋ_%ᙢḄᵯ;ᓫ%ᙢ=Ḅ%ᙢᵯᵯᑨeḄឋ7ᔲ◤⌕ᦋnᙌ%ᙢ஺2.500kVAḄᡝ᜜ᵯᘤᙠ£¤¥ᙳ§ᨬᜧª₹n360kVA,§ª₹᳛n0.8,§ᨬᜧª₹ᢝ®=
n6h,°ᙢ±¥ᙳ²³n10࠷஺8ᘤḄµ▭·¸ᐸᙠ¹¤=Ḅᐕ»¼ª₹½஺2.10/0.4kvÀᵯᡠÁᨵÂS9—1000/10ᘤ஺'ª₹ÆÇÈÈɪ₹Ê˱ÌÍÎᑮ1300kVAdÍÎÂS9—315/10ᘤÑÁS9—1000o/10ᘤᑡ45ÓÔ_ÓÔ{᝞Ö×ؼª₹ḄÙÌ7uÂᘤ¼ª₹?̼ª₹op{ÚÛÜÂᘤᙳnYynOὶà஺3.ᨵᜧᢇ·;<ḄâãÎä
åᨵæçᑗéâêᵯëâ·ᐳ800kW,îïâ·ᐳ56kW,ᵯn380V஺ᑖðñòᔜô
ḄÈɪ₹õஹ&ஹ&ô¸஺3.ᨵâ÷
åᨵøÎäâê52Âᐳ200kWù5-51-'DEFᵯᢈHI⚪K

52
^\MN1ᜐP4QRS▾HenanPolytechnicInstituteUVDEὊᵯᢈHXᘤYZ[1Âᐳ5.lkW&=15%3ùîïâ4Âᐳ5kWùûâ3Âᐳ10.5kW£=65%3஺
sᵨ220/380V"ýᑴEᵯ஺ñò8
ḄÈɪ₹4ஹ&ஹ/ô஺஺3.220/380VḄTN-CᵯᜧᢇḄᵯᐳ105kW,ᐸᜧᵯᨵ7.5kW2%5.5kWl%4kW5%஺)ᑖ+ᵨ◤⌕/ᦪ123⚗51678Ḅ679₹4ஹ&ஹ&2஺3.>ᨵ9%220VᓫBᵯC᮱ᐸ4%1kE3%L5kW,2%2kW)ᔠᳮᑖJKᑡᔜᵯC᮱N220/380VḄTN-CoKR67ᐸ679₹4ஹ%ஹ£2/஺3.ᨵTᩩV2kmḄ10kVXYᵯZ%Rᑡ[\Ḅᵯ]^Yᘤ஺XYᵨLJ-70abcdefghdlmZ%^YᘤᙳjS9—800/10mDynllὶr஺Ḅ0679₹j900kW,COSQ=0.86,Tmax=4500h஺)ᑖ+67zXY2ᵯ]^YᘤḄ{᳛}ὑ2ᵯ}ὑ஺3.Y^ᵯᡠᨵT%YynOὶrḄS9—630/10mᵯ]^Yᘤᐸ380V3Ḅᨵ{679₹j420kW,{679₹j350kvar)z^ᵯᡠTḄ679₹ᐸ{᳛oᦪ஺᝞{᳛ᦪᑮ0.90,z^ᵯᡠYK◤hRὶᵯᘤᑮ⌕3.ᵯᘤᐵᔆTᑴᐳᨵᵨᵯhᜓ5840kW)¢o78ᔆḄ679₹£ஹQ"ஹSAᐸᨵ{ᵯ¦ὑWp.a஺-52->¨Jᵯᢈª«⚪

53
^\®¯1ᜐ±4²e³▾HenanPolytechnicInstituteµ¶¨Ὂᵯᢈª¸ᘤ¹º»3.ᵨᡝḄᨵ{679₹j2400kW,{᳛ᦪj0.65஺>½ᙠᵨᡝ^ᵯᡠ10kVKhBWF10.5—30—1mRὶᵯᘤÁᵨᡝ{᳛ᦪÂXᑮ0.90o◤hÃᵯᘤ?hᵯᘤÅÆ8ᵨᡝḄÇᙠ679₹jÈhᵯᘤÉḄÇᙠ679₹ÊË4.ᨵTᙢÍ^ᵯÎÏÐTᩩV4kmḄ10kvgÑᵯᵨᡝᨵZ%Rᑡ[\ḄYynOὶrḄS9—1000mÒ^YᘤḄ^ᵯᡠ஺ᙢÍ^ᵯÎÓÔÕᘤjSN10—10Hm஺)ᵨ×Ø18ᵨᡝ^ᵯᡠ10kV2380VḄÙᵯÚT(3)T"(3)T(3)•(3)T(3)J-k>>.L00>1sh>J-shÙSKবRᑡÓÙ67⊤஺4.)ᵨ᪗Þᑴ1ßà«⚪4-1஺4.hᵨᡝ^ᵯᡠ380VḄáBÙᵯÚᕜãᑖᨵᦔåhব=36.5kA,æçᵨLMY-80x10,efféZBêëìdíj200mmî᫏dj0.9m,᫏ᦪN208KᨵT%500kWḄðñᵯcos°=lÉ7=94%஺)᪥÷zḄøùú஺4.h«⚪4-3ᡠû380VḄÙüýàÉìj0.5s,YÕᘤḄÕÉìj0.05s)᪥÷zḄþøùú஺o4.ᵨᡝ^ᵯᡠXYÿ
ᵨᵯ☢50mm2oᵯ✌ᨵ!"#$ᘤᐸ'ᵯ()*+,-1.2s஺ᵯ✌Ḅ4$ᵯ-53-5678ᵯᢈ:;⚪=

54>?@ABQCᩈEḄ(HenanPolytechnicInstituteF5678ᵯᢈ:GᘤHIJKIkব=2.IkA஺Q᪥STᵯḄ4$UVWX஺4.Z$Ḅ[\ᵯK56A,_`ᵯK230A$✌oḄ4$ᵯKIkব=13kA஺Q⌱c$ᡠRT0ghᰚ#ᘤjᐸᰚkḄlm100oZ$noᰚ#ᘤRTOgᐸᰚkᵯK200Aqroᰚ#ᘤRM10gᐸᰚkᵯK160Aᙠroᰚ#ᘤuvwx4$Ḅhব=800A஺Q᪥So{|}ᰚ#ᘤ~ᔲ5()⌱cឋḄ⌕஺4.ᡠ$᝞ᦋDW16gh#$ᘤ஺Q⌱c#$ᘤjᐸ,ᵯKῃᡷᘤḄᵯKlm᦮WῃᡷᘤḄ*+ᵯK஺4.Zᵨᡝᨵᨵ₹P3°=300kW,cos*=0.92஺ᵨᡝ6kVoSN10-10g#$ᘤᐸ¢()*+,-0.9s,#$ᘤ#$,-0.2s,6kV£ḄI(3)=20kAokQ⌱cT#$ᘤḄlm஺103.6kVᨵ|¦LQJ—10gᵯK«¬ᘤ(AஹCᔜo¦)ᐸ0,5°Ḅ±²³}´µ¶·⊤ᐸ¹1T1—AgᵯK⊤ºὑ᳛3VA,DS2gᨵᵯ~⊤BDX2g¾ᵯ~⊤Ḅ¿oᵯKᙌᙳºὑ0.7VAqᐸ3°Ḅ±²³}´GLߟ15gᵯK'ᵯᘤᐸᙌºὑ᳛15VA஺ᵯK«¬ᘤ±²Å$´
ᵨBVo500—lx2.5mm2ḄÉÊᛛᧇ஺«¬ᘤÍ·⊤ஹ'ᵯᘤḄÎᓫᔣÑX2m஺Q᪥STᵯK«¬ᘤÒᔲÓᔠÕÖ°⌕஺-54-5678ᵯᢈ:;⚪=

55×ØÙ?@Ag4CᩈE◌ihlenanPolytechnicInstituteF5678ᵯᢈ:GᘤHIJ1.QÖWÛܹÝᘤT1Ḅoஹ±³}ḄÞWᵯB$WLKWL2$ḄÞWᵯ஺[\⚪1ᵨÜ©-kb-kb—6.3kV110/38.5liV3.ᨵoàáâ-ᨵãä@àå52ᐳ200kWqçâ1ஹᐳ5.lkWè%=lêØqëìà2ஹᐳ5kWqíîà3ஹᐳ10.5kWè/=6ð%Ø஺â-
ᵨ220/380VñᑴèTN-CóôØ7ᵯ஺QÖWâ-Ḅ[\₹õஹঞஹS»B4஺è5ᑖØ8.Z@ᔆoâ-Ñஹúè70X20Øm2,ûü6m,᯿þÿ
ᙠ7m,☢ᙢ0.8m,⌕☢Ḅᙳ᯿/!⚔#$="',ᜋ☢஺*+",-./᯿01Ḅ1ᦪஹ
45஺66ᑖ94.;ᔆ10kV@ᵯBC,DEBCFᨬᜧI₹ᵯKL200A,OᵨᵯKQRᘤḄTUVKiL300/5ABC✌\]^_C0ᵯK`L708kA,a\]^_CᵯK`LL5kA஺-⌱deᵯKfg
hஹ᦮/jkl᪥nfg
hḄᮣp68ᑖ9஺3.DEqrᢇtuḄvwᑗyz{|,}ᨵᵯL380VḄ]^ᵯz7kWḄ3,4.5kWḄ8,2.8kWḄ17,1.7kWḄ10஺-ᵨ◤⌕ᦪᐸjkI₹jkᵯK஺-55-@ᵯᢈ⚪

5694ᩈ◌HenanPolytechnicInstitute@ᵯᢈᘤ3.;z380VBC¡ᨵvwᑗyz{ᵯz20ᐳ50kW6ᐸF£ᜧ45ᵯz7¤Ḅ1,4.5kWḄ2,2.8kWḄ79¥¦z2ᐳ5.6kWᵯ§᮱12kW஺-ᵨ◤⌕ᦪ./©BCḄjkI₹jkᵯK஺3.-ᵨ+⚗«ᦪ./⚪1ᡠ®ᜓ|ḄjkI₹jkᵯK஺3.-ᵨ+⚗«ᦪ./⚪2ᡠz380VBCḄjkI₹jkᵯK஺3.ᨵqS7-1000/10ᨵqTᘤ4=4900W,g=15000W,q%=55^=5,DEᐸjkᨵ²I₹L735kW,³²I₹L487kvar,-jkᐸᨵ²ஹ³²²᳛¸ὑºᵯ»¸ὑ஺3.-jkqᵯBCḄ¼½ᵯK஺DE¾BCḄjkᵯKL320A,ᐸFq30kWḄᵯzḄjkᵯKL45A஺3.;ᔆᨵ11¿,©᜜ÁᨵÂÃÄtÅÆᑭÄ஺ᔜÉÊᵨᵯ®ᜓḄË45Ìj᝞ÎᜧvÎ440.6kWrᜧvÎ508.8kWÏᜐᳮ:712.5kWÓ¡Î256kVA6==6,¤%=0.52Ö:284.OkWØÎ142.8kW-56-@ᵯᢈ⚪

57)4ᩈ◌(HenanPolytechnicInstitute@ᵯᢈᘤᳮ:77.5kWÚÛÎ79.6kWuÝnÞÎ102.2kW┡᮱T:106.ßWàáâÎ87.2kWÂÃÄÎ25.7kW(₯ᐝ1ᓰ80%)tÅÆᑭÄÎ12.4kW(₯ᐝ1ᓰ35%)-Î(1)tuḄjkI₹Î(2)ç¿èéḄjkI₹(3)ÂÃĺtÅÆᑭÄḄjkI₹(4)ᐰᔆᨬᜧI₹ºëᯠ²᳛íᦪ(5)îk¾ᔆᐰïḄᵨᵯ5Lðñòó3.;qᵯBC,¡ᨵ]ôÓz,♦=20*öḄ÷ø45ᑖùL25ஹ50ஹ75kVA,²᳛íᦪᑖùL0.4,0.45,0.5¡ú380VBCḄBûᵨ,¾ᵯBCḄjkI₹஺03.ᨵqᜧᢇtuzüý,}ᨵvwᑗyz{ᵯz45ᐳ800kW,¥¦z45ᐳ56kW,BCᵯ380V஺-ᑖù./ᔜ|ḄjkI₹þஹ&ஹ஺4஺3.ᨵᨵ52ஹᐳ200kW1ᐳ5.lKW(O=1a)$%2ஹᐳ5kW&'3-57-()*+ᵯᢈ./⚪1

58
^\231ᜐ54678▾HenanPolytechnicInstitute:;)*Ὂᵯᢈ.=ᘤ?@Aஹᐳ10.5kWBᓃ""E஺Fᵨ220/380VKLMNᑴBTN-CTUE*ᵯ஺VWXḄZ[\₹/ஹ&ஹs=4஺3.ᨵ380VḄKL*ᵯN`*ᵯa35bᢇdefḄᵯghidj85kWஹᐸlmᜧidḄᵯgᨵo7.5kWஹ4kWḄ33kWḄ12஺Vᵨ◤⌕TᦪtWXᐸZ[\₹uஹ3ஹ%3.Vᵨw⚗TᦪtWX⚪10*ᵯN`ḄZ[\₹4ஹ&ஹS»Z»o3.}~5220VᓫLᘤᐸlIkWஹ3;3kWஹ2஺Vᔠᳮᑖ+ᔜᘤ220/380VN`Z[ᐸZ[\₹஺3.}ᔆḄᨵZ[\₹j2400kW,᳛ᦪj0.65஺(ᙠᔆᵯᡠ10kVNᵯᵯiᘤBBWEcos4E¡ᑮ0.9஺VZ[ᡠ◤ᵯiᘤḄhid஺᝞Fᵨᵯiᘤ¥◤¦§¨?ª«ᔆḄ¬ᙠZ[\₹j¦§®¯ᨵ°Ḅ¬ᙠZ[\₹±§²¦§3.}ᨵ³´ᑗ¶ᐳ30·Fᵨ¸Xᵯ¹380VḄbᵯgºgᐸl7.5kWḄ45.5kWḄ43kWḄ122.2kWḄ10Vᵨw⚗TᦪtWX«ḄZ[\₹ᧅஹ&ஹ&&஺-58-()*+ᵯᢈ./⚪1

59
^\231ᜐ54678▾HenanPolytechnicInstitute:;)*Ὂᵯᢈ.=ᘤ?@A3.}750kV-AḄ¹ᘤ'=⊈஺=0.%,(⌕¿᳛ᦪ¡ᑮ0.96,¥◤⌕¦§kvar⊡Ãid®mᵯiᘤĪḄ¹ᘤ\₹ÅÆ஺1.Ç*ᵯÈ☠ឋḄËÌÍᵨÎ⊝d᪗Ñ஺1.ÒÓÔᵯÕᜓḄ¸Xᵯ¹ᵯTUjÒÓ⌕Fᵨ¦×ᵯ¹ØÙᵯÕᜓᙠ¡ᡈÛᐸ¸Xᵯ¹ÜÍÝÞ(ÒÓ¥⚪126.Çßà`áâã*ᵯTUäåæáçNæ*ᵯTUḄèé&Îᐸêᵨì஺5.ÒÓÔ᫑æîNVᔜ×᫑æîNḄèé&Îᐸêᵨì஺1.ᵯTUlឋ&ïᙢñæᨵòó×ôᔜᨵ2ᱯ&129.ᙠö÷NᙌïᙢTUljÒÓKLN`ùᙢᑖúᵯiûùüᡈÞ(LýN°þÈÿ
ᙌᑖᵯḄὶ
ὶᘤḄឋ!"#
$ᵯ%130)Ὂ+᫏-).ᚖ1*35.6ᢥ89ᩩ;⌱=220/380VḄTN-SFḄGஹNIPEḄ.L☢1.ᙳOᵨBLVߟ500T3IUᙢᦱXḄYZᛛᧇ]1PC3Ḅᑁ`஺bcdFḄefᵯg140A,ᦱXᙢk᛻mn30࠷஺5.ᨵᩩ380VḄqGF,rᵯs16u4kWஹCosᩩ=0.87ஹ-59-
|r}ᵯᢈ⚪

60
^\1ᜐ4▾HenanPolytechnicInstitute|rὊᵯᢈᘤn=85.5%ḄYTᵯᔜuᵯG-2m,Fᐰ50%6ᢥ89ᩩ;⌱=ᦱḄBLX-500T.L☢1bcᙢk᛻mn30࠷3,᪥¡ᐸ£¤nIᵯ¥ὑ1ᐕ¨ᵯ¥ὑ5%31©ª«¬h®0.7306.¯10kVFOᵨ°G°±ᵯᘤ²Ḅ³ᑖg´µ¶·Ḅ¸¹▲»ᵯg¼½¾¿ᵯgÀÁᘤḄgÂ200/5A,FḄᨬᜧÅ₹ᵯg1ÇÈÉᵯg3180A,F✌ËḄqG;FᵯgᕜÎᑖÏᨵᦔÑ2.8kA,ÒËlkA6᦮ÕdoFOᵨḄGL-15/10TᵯgᵯᘤḄ×ᵯgIØÙᵯgÚᦪÜ¡ᐸ¼½ᮣÞn஺6.
ᨵßà°á¸¹▲»ᵯg¼½âOᵨGLߟ15T»ᵯg±ᵯᘤßáᢥ°G°±ᵯᘤ²àáᢥ°Gᵯgã²஺àá±ᵯᘤḄ10Ú×ᵯgḄ×¹b᦮Õ0.5o,×ᵯgb᦮Õ9A,åßá±ᵯᘤḄ×ᵯgb᦮Õ5Aßáᵯ0gÀÁᘤḄgÂ100/5A,àáᵯgÀÁᘤḄgÂ75/5AàáF✌ËḄIবK=400A஺6᦮Õßá±OᵯᘤḄ10Ú×ᵯgḄ×¹1MZAt=0.7S306.¯ìí10kV$}ᵯᡠᨵï$}ᵯrᵯsðᵯᡠ஺d$}ᵯ✌Ëñ¾XᵫGLߟ15Tᵯg±ᵯᘤóᡂḄ¸¹▲»ᵯg¼½IᵯgØÙ¼½°G°±ᵯᘤ²஺bcõ¾ḄᵯgÀÁ-60-
|r}ᵯᢈ⚪

61
^\1ᜐ4▾HenanPolytechnicInstitute|rὊᵯᢈᘤᘤgÂ160/5A,$}ᵯᡠḄᵯö÷ø¾XḄÕ¹▲»ᵯ¼½Ḅ×¹b᦮Õ1.5S$}ᵯᡠùḄqOGúFᵯgIবûü2.86kA,ðᵯᡠḄ380VùḄqGúFᵯgIবû2=22.3kA,ðᵯᡠḄuýᘤS91000T஺6ÕrᵯsdðᵯᡠḄ$}ᵯ✌˾XḄCL—15Tᵯg±ᵯᘤḄ×ᵯgI×¹ÿᐸ
ᵯᦪᐸᮣᘤḄL.=2LN.T
஺6.ᵨᡝᨵ■"#ᱥ%10m,ᐸ*⚔ᨬ-Ḅ./0%50mḄ23151n-஺23678ᨵ᪷2.5m%Ḅ<"┐஺>?<"┐@ᔲBCD#ᱥ஺6.ᨵE50kVAḄIᵯᘤJKLឋN◤PQRᙢ஺TUVᑭᵨḄXᯠRᙢZ[\25஺]Rᙢᵯ[⌕_`ᜧb10Qo>efᚖhRᙢZḄijklRᡡi஺TUnᙢḄoᵯ[᳛\150Q-m,ᓫstuᵯVv2.5KA,tuᵯᢝyz{Vv1.1s஺8.ᜧ~8I{Ḅ☢\10X30m2,⚔0ᙢ5m,☢0ᙢ0.75m஺ᵨGC1-A—2GᔆI᯿8GGY—125₯ᐝ%\{᯿஺⚔0.5mo{⚔ஹᜋkᙢ☢Ḅ¡ᑖ£\50%ஹ30%k20%,¥ᐝ¦ᦪ§C¦ᦪV¨\0.7஺>ᵨᑭᵨ¦ᦪ©-61-ª«Iᵯᢈ®⚪°

62
^\±²1ᜐ´4µ¶·▾HenanPolytechnicInstitute¹ºª«Ὂᵯᢈ¼ᘤ½¾¿efᦪPQᔠᳮÂÃ஺139.>ᵨᭆÆÇÈ©É®⚪8-1஺140.>ᑖ£ËÆS9—500/10kS9—800/10IᵯᘤᙳYynoὶÑḄÒÓÔ₹᳛¨Kq=0.1஺141.ᵯᡠᨵÙEDynllὶÑḄS9—630/10IᵯᘤᑡÝQ]ᵯᡠÔ₹Þᨵ520kVA஺ßàᵨEáàÙEÝQ¡âÒÓᔠᳮã¨Kq=0.1஺142.ᨵBWF10.5—30—1ὶᵯçᘤ18Eᵨ%uᘤèᑴᵨCL15ᵯêᵯᘤḄÙsÙêᵯᘤRÈḄëᵯBC஺>⌱íᵯîïᘤḄ¡᦮fCL15êᵯᘤḄñᵯ஺5.òIᵯᡠḄóRÈôᫀᨵö÷øù⌕_ã5.ᙠûüýþuᘤÙK◤8ÿ◞
ᐵ?ᙠᘤᙠ◞
ᐵ5.ᑖ᪆5-4ஹ5-5ஹ5-6ᡠ"#$%&'Ḅ)*+,〉ᵨ0஺5.2ᵯᡠḄᑁ᫑67᜜᫑6&'ᔜᨵ;ᱯ+ᔜ〉ᵨ=5.2>ᵯᡠᡠᙬ⌱AB⍳DEFGᑣ?᝞;JKL₹NO5.2>ᵯᡠḄPQRSBὃ⇋EFVW⌕Y5.2ᵯᡠ%2Zᘤ[ᦪB᝞;⌱A?ᐸ^_`B᝞;⌱A5.ab6'7᪛d6'ᔜᨵ;)*+ᔜ〉ᵨ=-62-efg>ᵯᢈij⚪l

63
^\;n1ᜐp4qrs▾HenanPolytechnicInstituteuvfgὊᵯᢈixᘤyz{5.|}'7ᵯ~'ᔜᨵ;)*+5.ஹஹ#$ᩞḄ'ᔜᨵ;)*+?ᔜ〉ᵨ=EFᔠ5.LJ957LGJ95ᔜ⊤"'?ᐸN"95''ᔜ⊤"5.|}'Ḅ᫏?ᚖᚖᜧ75.ᦱᵯᵯ~BEF⚗5.¡¢£¤'7ᛛᧇ£¤'ᔜᨵᱯ+ᔜ〉ᵨ=EFᔠ5.⌱A'7ᵯ~§☢©Bª«EFᩩ©®''§☢ᐜᢥᩩ⌱A?±᯿³''§☢ᐜᢥᩩ⌱A?Ḅ''§☢ᐜᢥ´µᵯ¶·¸⌱A5.#¹º'ᑴ¼Z½¾NḄN'ஹPE'7PEN'ᔜ᝞;⌱A10.g>ᵯÄ{ḄÅÆÇÄÈ⍳DEFGᑣÉÊgᵯËÌḄÍ᪶ÆÏṓÑÒ10.᡽ᜧÔÕÅ᡽ᜧÇÄÅg>ᵯ½¾ÅÈ⍳DEFGᑣ10.ᢥGB50096T999uØÙÅÚᑣxÚKÛØÙg>ᵯ½-63-efg>ᵯᢈij⚪l

64
^\;n1ᜐp4qrs▾HenanPolytechnicInstituteuvfgὊᵯᢈixᘤyz{¾ÅBÜᔠEFVWÝᐰGᑣ10.2ᵯᡠßàᕒᨵEFVWâãäåᜩçÒè᜜éZᜓëBF10.2>ᵯᡠ〈ᵯ7íᵯḄîï©Bðñ᪵Ḅ{ó?ᙠôញ`ö᝞;〈ᵯ7íᵯîï10.ᵯ2Zᘤ÷øçùë%⌕EFú⚪10.>ᵯS÷øçùë%⌕EFú⚪10.|}'7ᵯ~'Ḅ÷øçùᔜ%⌕EFú⚪10.᝞ûüᯠíᵯÛ2>ᵯᡠßàᕒB᝞;ᜐᳮ10.2ZᘤḄᜧÿ
?ᔜᨵ⌕⌕10.ᵯᘤ◤10.ᘤḄᒹ⌕ᑁ"?◤10.FS&'(ᘤḄ)*ᵯ+,ᜧ./0123ᙠ56ᦑ8?FZ&'(ᘤḄ)*ᵯ+,ᜧᡈ,
./0;123ᙠᦑ810.<ᙢᵯ>Ḅ?@AᵨḄCDᨵ10.᝞FᵨG>DᩭI?ᵯJḄᦑ8K10.ᵨᐚM⊤᤯?ᵯJᡈPQRSSḄPQᵯ>TUVWX⚪10.᝞F?Z[\SḄ\]?᝞F᪶_S`aḄ\b6.dᵯefᨵgh?_dᵯefᨵij⌕-64-klmnᵯᢈpq⚪r

65
^\Fs1ᜐu4vwx▾HenanPolytechnicInstitutez{lmὊᵯᢈp}ᘤ~6.,ᵯ+efḄᮣᦪ᝞FZḄGᵯefḄᮣᦪ;᝞FZḄ6.ᵯᵯ+dᵯᘤஹTdᵯᘤஹdᵯᘤdᵯᘤᙠdᵯefᔜ56ᵨᔜḄᦻ᝞F⊤?Uᵯ+dᵯᘤ;ᨵ2ᐸᦻ;᝞F⊤6.56,ᵯ+dᵯᘤḄᵯ+ஹᵯ+ᦪ?᝞,ᵯ+dᵯᘤḄᦪ,G¡k56X⚪6.`\`dᵯᘤ

66
^\Fs1ᜐu4vwx▾HenanPolytechnicInstitutez{lmὊᵯᢈp}ᘤ~Z³´µ¶᪵Ḅᵯ+Ãef£56¡k“ÆÇ”᝞FÈ⊡6.ᓫ\<ᙢefḄᵯ+᝞F᦮Zᐸ᦮Z³´µ¶᪵Ḅ?ᙠᓫ\<ᙢefᵯJᜮḄ<ᙢS£56¢Z⌕Ì,Í]ᵯ+ÎᘤḄÏÐ<ᙢ6.ᵯᘤḄ,ᵯ+efᵯ+ÃefḄᵯ+;᝞F᦮Zᐸ,Ñ₹efḄᵯ+T;᝞F᦮Z6.nᵯᘤGÓḄᓫ\¤1ᨵefCᨬAᵨḄÕefC6.ᵯᘤᙠÖ×ØÙÚÛὶÝefᐸÞßᳮ¶᪵Ḅ?ᐸᵯ+᝞F᦮Z6.ᵯᘤᙠÖ×ØUÚáâef56Ö×Ø“ãáâ”?56Ö×Ø“äáâ”6.56,ᵯ(ᵯ,ᵯᨵᔜ᝞FåæḄ6.56çèᙳ(êëᦪ?56ì(Çí(Ç6.56<îᘤ?'(┐ð2'(ᔩ?'(┐᝞F■f(óḄ?'(ôÄõÅᔜ⌕ᵨᙠöᡠ6.øZ<îᘤ■(úḄ“ûᳫD”᝞FøZ■(úḄ6.nᵯᡠᨵ■(ýþ?ÿ
ᨵ■-66-ᵯᢈ⚪

67.•জ!"#Iᓅ%4&'(▾HenanPolytechnicInstituteὊᵯᢈᘤ6.*+ᱥᢥ■◨⌕0ᑖ23ᔜ3*+ᱥ567■8┐ஹ8
;8<=>!ᔜ?⌕ᵨᙠBᡠ6.DEFGHIᙢ;KLIᙢ?DEFKLINODEPQRSTUᐕWᨵḄYᜓ67IᙢKL[\QYᜓ67INKL6.DEFIᙢ;Iᙢ]^DEF_ᯠIᙢa;bGIᙢa6.DEFIcᵯd;efᵯdQghIᙢᦑjklmḄo᜜qbrstuᐰ6.DEFIᙢᵯw?DEFG⚣Iᙢᵯw;yzIᙢᵯw?ODEyzIᙢᵯw{|sG⚣Iᙢᵯw}-67-ᵯᢈ⚪