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5. Sexlarni KTP, kabel liniyalarni texnik-iqtisodiy taqqoslash bilan tanlash


5.1. Variant 1. KTP ni tanlash
Hamma sexlarda reaktiv quvvat kompensatsiya Q_k–kilingandan sung cosφ xar bir sexda bir xil bo‘lib ularni yig‘indisi ham bir xil bo‘ladi. Sexlarni umumiy quvvatini topish uchun ularni quvvatini ko‘shib chakamiz

KTP-1 Sexa 3, 1: U_n = 10/0,4 kV, S = 437,8+1579,6=2018,4 kVA
KTP 2xTM1600/10 tanlaymiz, K=65,6 mln.so‘m, ΔR_kz=16,5 kVt, ΔR_xx=4,5 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=2018,4/3200=0,63
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 1600 = 2240 >2018,4 – etarli
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m/kVt∙yil;
m₀=430491 so‘m/kVt∙yil;
U_pet=2 ^.(0,63^2. 292302 ^. 16,5 + 430491 ^. 4,5)=7,703 mln.so‘m/yil
KTP-2 Sexa 8, 4: U_n = 10/0,4 kV, S = 416,8+659=1075,8 kVA
KTP 2xTM630/10 tanlaymiz, K=26,66mln.so‘m,
ΔR_kz=7,6 kVt, ΔR_xx=2,27 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=1075,8/1260=0,85
YUklanish kobilyati bo‘yicha
K_zp ^. S_nt = 1,4 ^. 630= 882 < 1075,8 – yuklanish kobilyati
bo‘yicha kamlik 193,8 kVt
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙yil;
m₀=430491 so‘m /kVt∙god
U_pet=2 ^.(0,85^2. 292302 ^. 7,6 + 430491 ^. 2,27)=2,377 mln.so‘m / yil
KTP-3 Sexa 10: U_n = 10/0,4 kV, S = 904,2 kVA
KTP 2xTM630/10 tanlanadi, K=26,66 mln. so‘m, ΔR_kz=8,5 kVt, ΔR_xx=1,56 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=904,2/1260=0,72
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 630 = 882 < 904,2– yuklanish kobilyati bo‘yicha kamlik 22 kVt
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 sum/kVt∙god
U_pet=2 ^.(0,72^2. 292302 ^. 8,5 + 430491 ^. 1,56)=3,9912 mln so‘m / yil
KTP-4 Sexa 12, 15: U_n = 10/0,4 kV, S = 409,5+124,5=534 kVA
KTP 2xTM400/10 tanlanadi, K=9,26 mln.sum, ΔR_kz=5,5 kVt, ΔR_xx=1,45 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=534 /800=0,67
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 400 = 560 > 534 – etarli
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m/kVt∙yil
U_pet=2 ^.(0,67^2. 292302 ^. 5,5 + 430491 ^. 1,45)=2,692 mln.so‘m / yil
KTP-5 Sexa 11, 13: U_n = 10/0,4 kV, S = 167,1+453,76=620,86 kVA
KTP 2xTM400/10 tanlanadi, K=9,26 mln.so‘m, ΔR_kz=5,5 kVt, ΔR_xx=1,45 kVt
YUklama koeffitsienti


k_z=S_r /pS_nt=620,86/800=0,77
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 400= 560<620,86– etarli emas
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m/kVt∙yil
U_pet=2 ^.(0,77^2. 292302 ^. 5,5 + 430491 ^. 1,45)=3,155mln.so‘m / yil
KTP-6 Sexa 14: U_n = 10/0,4 kV, S = 190,8 kVA
KTP 2xTM160/10 tanlanadi, K=9,26 mln.so‘m, ΔR_kz=2,65 kVt, ΔR_xx=0,73 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=190,8 /320=0,6

YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 160 = 224 > 190,8 – yuklanish kobilyati bo‘yicha etarli.

Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m /kVt∙god
U_pet=2 ^.(0,6^2. 292302 ^. 2,65 + 430491 ^. 0,73)=1,186mln so‘m / yil
KTP-7 Sexa 7, 6: U_n = 10/0,4 kV, S = 93,52+973,6=1067,12 kVA
KTP 2xTM630/10 tanlanadi, K=26,66 mln. so‘m, ΔR_kz=7,6 kVt, ΔR_xx=2,27 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=1067,12/1260=0,85
YUklanish kobilyati bo‘yicha
K_zp ^. S_nt = 1,4 ^. 630 = 882 < 1067,12– yuklanish kobilyati
Bo‘yicha kamlik 185 kVt
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m /kVt∙yil
U_pet=2 ^.(0,85^2. 292302 ^. 7,6 + 430491 ^. 2,27)=5,164mln. so‘m / yil
KTP-8 Sexa 5, 2: U_n = 10/0,4 kV, S = 773,4+270,3=1043,7 kVA
KTP 2xTM630/10 tanlanadi, K=26,66 mln. so‘m, ΔR_kz=7,6 kVt, ΔR_xx=2,27 kVt YUklama koeffitsienti
k_z=S_r /pS_nt=1043,7/1260=0,83
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 630 = 882 < 1043,7 –161 kam
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m /kVt∙yil
U_pet=2 ^.(0,83^2. 292302 ^. 7.6 + 430491 ^. 2,27)=5,015mln. so‘m / yil
KTP-9 Sexa 9: U_n = 10/0,4 kV, S = 268,2kVA
KTP 2xTM160/10 tanlanadi, K=9,26 mln. so‘m, ΔR_kz=2,65 kVt, ΔR_xx=0,73 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=268,2 /320=0,84
YUklanish kobilyati bo‘yicha
K_zp ^. S_nt = 1,4 ^. 160= 224> 268,2–44 kVt kam
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m/kVt∙yil
U_pet=2 ^.(0,84^2. 292302 ^. 2.65 + 430491 ^. 0,73)=1,041 mln.so‘m / yil

KTP larni tanlaщda 1-variant uchun texnik-iqtisodiy ko‘rsatkichlar.

KTP-1 65,6 mln. so‘m
KTP-2 26,66 mln. so‘m
KTP-3 26,66 mln. so‘m
KTP-4 9,26 mln. so‘m
KTP-5 9,26 mln. so‘m
KTP-6 9,26 mln. so‘m
KTP-7 26,66mln. so‘m
KTP-8 26,66 mln. so‘m
KTP-9 9,26 mln. so‘m
RP-1 10 kV 31,7 mln. so‘m
RP-2 10 kV 31,7 mln. so‘m
RP-3 10 kV 31,7 mln. so‘m
RU-1 0,4 kV 1,4 mln. so‘m
RU-2 0,4 kV 1,4 mln. so‘m
RU-3 0,4 kV 1,4 mln. so‘m
RU-4 0,4 kV 1,4 mln. so‘m
RU-5 0,4 kV 1,4 mln. so‘m
RU-6 0,4 kV 2,8 mln. so‘m
a) Kapital mablag‘i:
K`<sub>ktp+RU10+RU0,4</sub> = 65.6 + 4 <sup>.</sup> 26,66 + 4 <sup>.</sup> 9,26 + 3 <sup>.</sup> 31,7+ + 5 <sup>.</sup> 1,4 + 2,8 =
314,18mln. so‘m
b) Bir yil uchun elektr energiya isrofi narxi
U`_pet = ΣU_pet = 7,703+2.377+3,991+2,692+3,155+1,186+5,164+5,014+1,041 = 32,324 mln.so‘m / yil
5.2. Variant 2. KTP larni tanlash
KTP-3, KTP-4, KTP-5 1variant singari.
KTP-7 , 1-variantdagi KTP-8 kabi
KTP-8 1-variantdagi KTP-9 kabi.

KTP-1 Sexa 4, 1: U_n = 10/0,4 kV, S = 416,8+437,8=854,6 kVA
KTP 2xTM630/10 tanlanadi, K=26,66 mln. so‘m, ΔR_kz=7,6 kVt, ΔR_xx=2,27 kVt
YUklama koeffitsienti


k_z=S_r /pS_nt=854,6 /1260=0,68
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 630 = 882> 854,6 – etarli
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 sum/kVt∙god
U_pet=2 ^.(0,68^2. 292302 ^. 7,6 + 430491 ^. 2,27)=4.009 mln.so‘m /yil
KTP-2 Sexa 3, 8: U_n = 10/0,4 kV, S = 1579,6+659=2238,6 kVA
KTP 2xTM1600/10 tanlanadi, K=65,6 mln.so‘m, ΔR_kz=16,5 kVt, ΔR_xx=4,5 kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=2238,6/3200=0,70
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 1600 = 2240 >2238,6– etarli
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙ yil;
m₀=430491 so‘m /kVt∙yil
U_pet=2 ^.(0,70^2. 292302 ^. 16,5 + 430491 ^. 4.5)=8,601 mln.so‘m / yil
KTP-6 Sexa 7, 14, 6: U_n = 10,4 kV, S = 973,6+190,8+93,52=1258 kVA
KTP 2xTM1000/10 tanlanadi, K=28,75 mln. so‘m, ΔR_kz=11,6 kVt, ΔR_xx=3,3kVt
YUklama koeffitsienti
k_z=S_r /pS_nt=1258/2000=0,63
YUklanish kobilyati bo‘yicha K_zp ^. S_nt = 1,4 ^. 1000 = 1400 > 1258– yuklanish kobilyati bo‘yicha etarli
Bir yil uchun elektr energiya isrofi narxi
U_pet = n ^. (K_z^2. m ^.ΔR_kz + m₀^.ΔR_xx); m=292302 so‘m /kVt∙yil;
m₀=430491 so‘m /kVt∙ yil
U_pet=2 ^.(0,63^2. 292302 ^. 11,6 + 430491 ^. 3,3)=5,533 mln.so‘m /yil

KTP larni tanlaщda 2-variant uchun texnik-iqtisodiy ko‘rsatkichlar.

KTP-1 26,66 mln. so‘m
KTP-2 65,6 mln. so‘m
KTP-3 26,66 mln. so‘m
KTP-4 9,26 mln. so‘m
KTP-5 9,26 mln. so‘m
KTP-6 28,75 mln. so‘m
KTP-7 26,66 mln. so‘m
KTP-8 9,26 mln. so‘m
RP-1 10 kV 31,7 mln. so‘m
RP-2 10 kV 31,7 mln. so‘m
RP-3 10 kV 31,7 mln. so‘m
RU-1 0,4 kV 1,4 mln. so‘m
RU-2 0,4 kV 2,8 mln. so‘m
RU-3 0,4 kV 1,4 mln. so‘m
RU-4 0,4 kV 1,4 mln. so‘m
RU-5 0,4 kV 1,4 mln. so‘m
RU-6 0,4 kV 1,4 mln. so‘m
RU-7 0,4 kV 2,8 mln. so‘m
a) Kapital mablag‘i:
K`<sub>ktp+RU10+RU0,4</sub> = 3 <sup>.</sup> 26,66+ 65,6+ 28,75+ 3 <sup>.</sup> 9,26+ 3 <sup>.</sup> 31,7+ 5 <sup>.</sup> 1,4 + 2 <sup>.</sup> 2,8 =
309,8 mln. so‘m
b) Bir yil uchun elektr energiya isrofi narxi
U`_pet=ΣU_pet=4.009 +8,601 + 3,9912 +2,692 + 3,155+ 5,533+5,015+1,041=
34,04 mln.so‘m/ yil