(Luận văn) nghiên cứu các phương pháp tính toán tổn thất điện năng, đánh giá chất lượng điện năng tỉnh thái nguyên đề xuất các phương án cải tạo và nâng cấp lưới điện trung áp tỉnh thái nguyê

   CÁC TÍNH TỐN lu NH THÁI NGUN,  an   n va ÁP  to ie gh tn Chuyên ngành:   p  d oa nl w  nf va an lu z at nh oi lm ul z m co l gm @  2014 an Lu n va ac th si      lu an  n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si  lu an n va Chính Xác     EVN Thái Nguyên)   KN  LF  LsF      MBA  TBA  TTCS  gh tn to CX   p ie d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to  d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si  PHN M U   GII THIU V L N TNH THÁI NGUYÊN, THC TRNG S D 1.1 Gii thiu v n tnh Thái Nguyên 1.1.1  : 1.1.2  10 1.2  11          N TH           14  n 2.2 Mt s  lu an n va ie gh tn to 16     26  27  29  32 2.4 Nhn xét v cn th p            oa nl w  III:           .40 d   40 lu an - nf va  42  47    49 -TG Phú Bình 50  PH NGUYÊN 63 z at nh oi lm ul   z @  m co l gm  E6.6: 68 an Lu n va ac th si  E6.6: 69   76 -E6.7: 77 -E6.7 79  XUT CÁC BIN PHÁP CI TO VÀ NÂNG CP 82 5.1 Các nguyên nhân gây tn th  82  83            Nguyên: 84 lu  84   : 87  : 90 n pháp lâu dài gim tn thn phân ph  94 an n va gh tn to  94  95   95  5.4 Nhn xét 97 p ie KT LUN 99 nl w d oa  an lu  nf va  TG Phú Bình z at nh oi lm ul  TG Phú Bình TG Phú Bình - TG Phú Bình z m co l gm @ - TG Phú Bình an Lu n va ac th si -TG Phú Bình 971-TG Phú Bình   TG Phú Bình -  TG Phú Bình - lu -E6.6 an n va -E6.6 tn to  471-E6.6 p ie gh  471-E6.6 nl w 471-E6.6 d oa  lu nf va an -E6.6 373-E6.7 lm ul  z at nh oi 373-E6.7  z @    m co l gm  an Lu n va ac th si     -E6.6 -E6.7  -  lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si  lu an    Hình 2.1:  Hình: 2.2: S Hình 2.3: i phân phi 10 kV Hình 2.4:  Hình 2.5:  Hình 2.6: 2tb n va  to - gh tn Hình 3.1: -TG Phú Bình p ie Hình 3.2: 971-TG Phú Bình nl w Hình 3.3: d oa  nf va an lu   lm ul S E6.6 z at nh oi - z m co l gm @  E6.7 an Lu n va ac th si           lu an   n va Nguyên to tn  ie gh  p N w Mu ca lung, phm vi nghiên cu oa nl    d an lu   nf va  lm ul  z at nh oi    z  @  m co l gm an Lu n va ac th si 2.4 2.5 2.6 3.1 4.1 5.1 5.2 5.3 7.1 10.1 11.1 AC-70 AC-70 AC-70 AC-50 AC-50 AC-50 AC-50 AC-50 AC-50 AC-50 AC-50 2 1 1 0,85 0,9 0,9 1 0,85 0,9 1 0,9 1274 967 795 491 230 528 489 200 127 224 436 lu an n va p ie gh tn to  0 kV)      dây  (kW) (kWh) (V) AC70 107,29 496.824,97 239,21 AC70 99,86 462.422,48 246,31 AC70 10,73 49.671,04 27,32 AC70 126,01 583.512,79 333,95 AC70 4,54 21.035,78 19,65 AC70 5,95 27.545,91 26,26 AC70 50,04 231.737,78 212,65 AC70 3,35 15.513,23 19,04 AC70 22,88 105.969,43 139,49 10 AC70 22,31 103.322,02 150,88 11 AC70 29,08 134.672,28 180,54 12 AC70 1,92 8.881,70 13,88 13 AC70 3,81 17.631,31 30,2 d oa nl w nf va an lu 17 91 16,59 56,13 67,2 38,8 12,06 28,98  (kW) 22,17 20,63 2,22 26,04 0,94 1,23 10,34 0,69 4,73 4,61 6,01 0,4 0,79 (kWh) 102.649,79 95.541,84 10.262,61 120.560,49 4.346,24 5.691,30 47.879,71 3.205,21 21.894,51 21.347,52 27.824,85 1.835,06 3.642,83 (V) 108,73 111,96 12,42 151,79 8,93 11,94 96,66 8,65 63,4 68,58 82,06 6,31 13,73 18 0,12 2,24 2,25 0,64 0,08 0,32 849 57 574,8 10.365,01 10.432,46 2.972,14 350,67 1.470,31 14 7,54 25,51 30,55 17,64 5,48 13,17 m co l gm @ 111 91 2.782,03 50.166,63 50.493,12 14.385,18 1.697,23 7.116,29   z 89 0,6 10,83 10,9 3,11 0,37 1,54 10,29 4,85 15,15 7,45 26,04 18,06 6,93 8,54 10,08 19,96  z at nh oi AC50 AC50 AC50 AC50 AC50 AC50 AC50 lm ul 11 1.2 4.1 4.2 4.3 4.4 4.5 764 580 477 295 138 317 293 120 76 134 262 an Lu n va ac th si lu 4.6 AC50 1,37 6.362,83 30,14 0,28 1.314,63 4.7 AC50 0,55 2.530,17 17,14 0,11 522,76 7.1 AC50 3,15 14.591,68 38,72 0,65 3.014,81 7.2 AC50 1,85 8.553,81 26,15 0,38 1.767,32 7.3 AC50 3,33 15.398,22 49,32 0,69 3.181,45 7.4 AC50 1,58 7.307,69 29,36 0,33 1.509,85 13.1 AC50 0,95 4.416,16 19,23 0,2 912,43 13.2 AC50 0,64 2.969,32 14,06 0,13 613,5 13.3 AC50 9,39 43.483,06 100,07 1,94 8.984,10 13.4 AC50 0,93 4.323,52 11,83 0,19 893,29 13.5 AC50 3,01 13.936,70 47,2 0,62 2.879,48 13.6 AC50 1,42 6.575,49 25,51 0,29 1.358,57 13.7 AC50 0,53 2.469,57 10,4 0,11 510,24 13.8 AC50 1,03 4.780,60 27,15 0,21 987,73   an  n va  Icp Pd.day Imax  AC70 AC70 (A) 265 265 (kW) 4736 4281 (A) 322 291   AC70 265 4146 282  AC70 AC70 265 265 3984 2441 271 166   AC70 AC70 265 265 2392 2485 162 169   265 1858 126  265 1732 118  265 106  265 1701 116  99  470 343 1831 32 23 124        p ie gh tn to dây AC70 10 AC70 1562 11 AC70 12 AC70 265 1459 11 1.2 4.1 AC50 AC50 AC50 65 210 210 210 4.2 4.3 AC50 AC50 210 210 1539 759 105 52 4.4 AC50 210 288 20 lu z at nh oi lm ul z @  m co l gm nf va AC70 d an oa nl w 13,7 7,79 17,6 11,89 22,42 13,35 8,74 6,39 45,48 5,38 21,46 11,6 4,73 12,34 an Lu n va ac th si lu an 4.5 AC50 210 503 34  4.6 AC50 210 432 29  4.7 AC50 210 302 21  7.1 AC50 210 772 52  7.2 7.3 AC50 AC50 210 210 670 640 46 43   7.4 13.1 AC50 AC50 210 210 510 470 35 32   13.2 AC50 210 432 29  13.3 AC50 210 890 60  13.4 13.5 AC50 AC50 210 210 749 605 51 41   13.6 AC50 210 528 36  13.7 AC50 210 487 33  13.8 AC50 210 361 25  n va to Qd.day (kVAr) 3372   (kW) (kWh) 76,968 356.417,91 AC95 AC95 AC95 p ie gh tn  5.3: C   r0 x0 Pd.day  dây (km)   (kW) AC95 0,69 0,33 0,371 4736 0,33 0,371 4281 3048 71,639 331.737,87 0,09 0,33 0,371 4146 2952 7,695 35.633,57 1,145 0,33 0,371 3984 2837 90,398 418.607,00 d oa nl w 0,786 lu nf va an  STT  Udm (KV)  (kVA)  10/0.4          10/0 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 Kmt  180 191,28 1,06  180 180 160 100 160 320 50 186 62 213,6 148,6 99,54 152,28 287,18 51,71 04 1,19 0,93 1,00 0,95 0,90 1,03 z at nh oi lm ul  (kVA)  z m co l gm @ an Lu n va ac th si lu an n va p d oa nl w 250 250 1000 180 100 250 160 180 180 180 100 100 100 100 180 160 250 160 180 180 180 160 100 100 250 180 100 100 250 180 lu 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 nf va an   NM TNG    Tân Thành   X.Soi   Làng Bung  L.Ngò X Hân         Thanh Ninh    Phú Thanh  ie gh tn to 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 261,43 252,84 948,22 201,33 90,96 258,98 133,88 187,84 176,81 189,07 94,64 99,54 89,73 98,31 201,33 137,56 277,37 141,24 197,65 208,69 192,75 148,6 98,31 88,5 263,88 185,39 92,18 101,99 244,26 207,47 1,05 1,01 0,95 1,12 0,91 1,04 0,84 1,04 0,98 1,05 0,95 1,00 0,90 0,98 1,12 0,86 1,11 0,88 1,10 1,16 1,07 0,93 0,98 0,89 1,06 1,03 0,92 1,02 0,98 1,15 10/0.4 100 95,86 0,96 41 42 43 44 45   X Núi  An Thành 10/0.4 10/0.4 10/0.4 10/0.4 10/0.4 180 100 100 180 180 1,08 1,09 1,01 1,04 1,10        m co l gm @ 195,2 109,35 100,77 186,62 198,88 z X Giàng z at nh oi lm ul 40  an Lu n va ac th si -E6.6 lu an n va      (kVA) (kVA) Kmt 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28  Làng Lân       Tân Thái    Chè Phú Long        Ngoài Tranh  Khe Vàng Bàn Pháng  Làng Vu Phú Nam Pháng 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 180 180 180 100 160 160 180 180 75 180 180 180 180 250 160 75 180 180 75 180 160 250 160 180 50 160 180 160 182,7 241,2 147,49 105,78 190,06 129,54 178,9 167,18 44,61 190,55 164,3 158,7 160,91 240,93 134,02 69,92 181,11 194,57 66,31 170,33 159,56 218,3 208,02 162,72 44,84 142,09 179,32 216,09 1,01 1,34 0,82 1,06 1,19 0,81 0,99 0,93 0,59 1,06 0,91 0,88 0,89 0,96 0,84 0,93 1,01 1,08 0,88 0,95 0,87 1,3 0,9 0,9 0,89 1,35 150,17 0,83 p ie gh tn to STT d oa nl w nf va an lu lm ul Làng Trò Tân Bình   Làng Bún  Làng Hin 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 22/0.4 100 180 100 250 180 250 250 95 158,22 104,02 190,53 162,26 222,34 255,11      Q  0,95 0,88 1,04 0,76 0,9 0,89 1,02 m co l gm 31 32 33 34 35 36 37 180 @ 22/0.4 z Chè Tân Hòa z at nh oi 30  an Lu n va ac th si 38 39 Làng Giang  22/0.4 22/0.4 250 400 239,41 385,12 0,96 0,96 -E6.7 lu an n va   (kV)  (kVA)  Kmt (kVA) 10 11 12 13 14 15 16 17 18 19 20 21 22 Bioseed  Mani Mani Mani Mani Mani    Mani     Cty CP H.Anh       35/6 35/0.4 35/0.4 35/6 35/0.4 35/0.4 35/6 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 35/6 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 35/0.4 400 250 560 560 560 560 760 75 560 50 560 250 100 400 250 400 160 250 320 250 320 250 425,73 265,81 539,68 522,07 511,31 533,81 752,90 76,06 531,85 57,48 588,58 282,44 103,45 414,48 247,23 374,38 161,15 225,71 315,69 275,59 337,21 256,03 1,06 1,06 0,96 0,93 0,91 0,95 0,99 1,01 0,95 1,15 1,05 1,13 1,03 1,04 0,99 0,94 1,01 0,9 0,99 1,1 1,05 1,02 35/10 35/0.4 750 560 739 21 537,72 99 0,96 p d oa nl w  z at nh oi lm ul NM Z131 Mani nf va an lu 24 25 ie gh tn to STT z  -    Pd.day Qd.day     dây (km) (kW) (kVAr) (kW) (kWh) (V) m co l gm @ an Lu n va ac th si lu AC70 0,69 4.736 3.072 101,153 468.409,81 231,30 AC70 0,786 4.281 2.748 93,573 433.308,59 237,30 AC70 0,09 4.146 2.652 10,030 46.447,66 26,29 AC70 1,145 3.984 2.537 117,518 544.192,13 320,83 AC70 0,11 2.441 1.438 4,061 18.803,46 18,39 AC70 0,15 2.392 1.403 5,306 24.568,66 24,54 AC70 1,169 2.485 1.469 44,819 207.543,20 199,25 AC70 0,14 1.858 1.023 2,897 13.414,62 17,44 AC70 1,1 1.732 933 19,595 90.737,35 126,88 10 AC70 1,32 1.562 812 18,808 87.095,39 135,75 11 AC70 1,45 1.701 911 24,836 115.007,69 163,92 12 AC70 0,13 1.459 739 1,599 7.405,07 12,39 13 AC70 0,31 1.331 648 3,125 14.470,63 26,65 an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si lu an n va p ie gh tn to d oa nl w nf va an lu z at nh oi lm ul z m co l gm @ an Lu n va ac th si         2008)        32/2008/TT-   Thái Nguyên (2009)            lu an             va (2010)  n Nguyên to  ie gh tn   2013)      p Thái Nguyên  w  oa nl  Thái Nguyên  d an lu           -2013     202-TTg ngày 18/7/2007 nf va 10   -2008, lm ul -TTg ngày 14/4/2006  z at nh oi 11            12  z  m co l gm @ an Lu n va ac th si 13   Thái Nguyên EVN (2008)      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w oa nl 20 Santos D Cicero M.P (2006), Determination of Electric Power Losses in d Distribution Systems, IEEE/PES Transmission & Distribution Conference and an lu Exposition: Latin America nf va 21 Turan Goenen (1986) Electric Power Distribution System Engineering McGraw Hill Series in Electrical Engineering z at nh oi lm ul z m co l gm @ an Lu n va ac th si