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III

X '' 0. 15 d X '' 0. 7 d 4

S 0. 6 n P M PM S 0. 6P n M 6

S N 0.6PM 0.6 3.95 19. 77MVA 0000 100% 61.0% 46700 13

S V V x '' B B av d g 16

( i 1 g) x fs x f i S N i S N i x js i x f ( i 1,,..., g) i S B i x js1 x js x jsg I pt1* I pt * I ptg* t i I I ps 1 * x N i pt I pt I i N I i i pt * i* 3V a v I B ps I ps I B I ps * * 3V a v I pt g I i 1 pt i* S N i 3V a v fs + I S S ps * S B 3V av V av I Ni i I B S B 17

f 3 18

S' '( MVA) I ( ka ) I 4 ( ka ) i sh (ka) I' '( ka) I sh (ka) f1 f f3 ' f3 f 3 ' f3 19

U U Ns U N U Ns N I N θ 0 I N I max I N I max 3

Q k I t t Q k I t t ies i sh I I i sh I sh ies I es es sh t k t pr t ab t t + t k pr 4 ab

t t + t t ab t pr t in t a ab in t br a t pr1 t 1 + br t pr tin 5

3 8

P 1 1. 5MW Q tan(cos 1 1 P1 0.8) 9.4M 1 1 1 S T P + Q 14. 1MVA var S' S 14. 1 1MVA S mx S' e S' x m

S mx S' e (1 + 5%) 0.1 8 14.1 e (1 + 5%) P1 K f S g ( kva) 1 η cosϕ S g P ( kva) S S 1 S ( kva) g g + g

S B 100MVAV B 115kV 100 G1 x1 0.15 0. 83 15 100 G x 0.7 1. 8 15 100 L1 x3 0.4 7 0. 115 100 L x4 0.4 8 0. 3 37 1 100 L3 x5 0.4 1 0. 18 37 1 (10.5 + 17.5 6.5) 100 T1T x 6 x7 0. 54 100 0 1 (6.5 + 17.5 10.5) 100 x8 x9 0.34 100 0 1 (10.5 + 6.5 17.5) 100 x10 x11 0 100 0 f 1 x x x 1 x + x5 13 x1 + x4 ( x7 + x ( x + x 1.98 1.06 )( x + x 10 6 11 14 7 10 ) + ( x6 + x11) ) 0.7 S f 1 x fs 1 x3 0. G1 f 1 13 14 x f 11 x13 + x14 + x1 x x 1.46

G f 1 1 14 x f 1 x1 + x14 + x13 x x.75 15 x js 11 x f 11 0. 100 15 x js 1 x f 1 0.40 100 G1G 1 S I ps* 1 4. 55 x f S f x fs x3 + x14 0.49 G1 f fs1 x f 1 x13 1.06 G f x f x1 1.98 x 15 100 js 1 x f 1 0.16

x 15 100 js x f 0.30 G1G 1 S I ps*. 04 x fs f 3 x x x x 6 7 15 x6 + x7 x x 10 11 16 x10 + x11 0.7 0.17 x 17 x3 + x15 0.49 S f 3 x fs 1 1 1 1 3 x17 x16 ( + + + ) x x x x 17 G1 f 3 x f 16 13 1 0.78 1 1 1 1 13 x13 x16 ( + x + + ) 1.69 x x x x 17 G f 3 16 13 1

x f 1 1 1 1 3 x1 x16 ( + x + + ) x x x x 17 x x 15 100 15 100 js 13 x f 13 js 3 x f 3 0.5 0.47 16 13 1 3.15 G1G 1 S I ps* 3. 56 x fs 3

x 18 x3 + x7 0.76 S f 3 x fs 1 1 1 1 3 ' x18 x9 ( + + + ) 1.48 x x x x 18 G1 f 3 x f 1 1 1 1 13 ' x13 x9 ( + + + ) x x x x 18 G f 3 x f 1 1 1 1 3 ' x1 x9 ( + + + ) x x x x 18 9 9 9 13 13 13 1 1 1.06 3.84 15 x js 13 ' x f 13' 0.31 100 15 x js 3 ' x f 3' 0.58 100 G1G 1 S I ps* 3' 1. 78 x fs3'

S' '( MVA) f1 f f3 x js '' I* I' '( ka) (ka) (ka) i sh (ka) I sh (ka) ' f3 f 3 ' f 3

mω

I I I I I I I I 10.5P g max 189. 4 3U N N cosϕ 10.5P 3U cosϕ 1.05 500 3 10 0.8 1.05 1500 g max 113. 6 10.5P 3U N 3 10 0.8 1.05 1500 g max 113. 6 3U cosϕ 10.5P N 3 10 0.8 1.05 000 A g max 151. 5 3U cosϕ 10.5P N 3 10 0.8 1.05 500 g max 189. 4 3U cosϕ 10.5P N 3 10 0.8 1.05 500 g max 189. 4 3U cosϕ 10.5P N 3 10 0.8 1.05 8000 g max 173. cosϕ 3 35 0.8 A A A A A A 10.5P g max 16. 5 3U N cosϕ 1.05 10000 3 35 0.8 A I I I 10.5P g max 108. 3 3U 3U N cosϕ 10.5P N 1.05 5000 3 35 0.8 1.05 10000 g max 16. 5 cosϕ 10.5P 3U cosϕ N 3 35 0.8 1.05 5000 A A g max 108. 3 3 35 0.8 A

I I I 10.5P 3U cosϕ g max 103. 3 N 10.5P 3U cosϕ N 1.05 15000 3 110 0.8 1.05 15000 g max 103. 3 10.5P 3U N 3 110 0.8 g max 06. 7 cosϕ 1.05 30000 3 110 0.8 A A A I 10.5P 3U cosϕ g max 55. 1 N 1.05 8000 3 110 0.8 A 1.05S n 1.05 0000 I g 11. 47A max 3U 3 10 1.05S n 1.05 0000 I g 346. 4A max 3U 3 35 1.05S n 1.05 0000 I g 110. A max 3U 3 110 n n n

I g max 06. 7A I ''. 7kA I. 54kA I 4. 54kA i ka sh 6. 93 I g max 346. 4A I '' 5. 63kA I 4. 5kA I 4. 46kA 4 i sh 14. 36kA i sh 4. 96kA I g max 189. 4A I' ' 1. 0kA I 10. 5kA I 9. 79kA 4 I g max 11. 47A I' ' 1. 0kA I 10. 5kA I 9. 79kA 4 i sh 4. 96kA U N 110 kv U Ns 110kV I N 1600A > I 06. max 7A I Nbr 31.5kA > I''. 7kA i I t 80 ka > i 6. ka Ncl sh 93 t 31.5 4 3969( ka) s Q k Q p I '' + 10I 1 + I 4 6.53( ka) s

i I t > t Q k 80 ka > i 6. ka es sh 93 U N 40.5kV > U Ns 35kV I N 1600A > I 346. max 4A I Nbr 31.5kA > I'' 5. 63kA i I t Q i k 80 ka > i 14. ka Ncl sh 36 t 31.5 4 3969( ka) s Q I t > p t Q k I '' + 10I 1 + I 4 1.17( ka) 80 ka > i 14. ka es sh 36 s U N 1 kv U Ns 10kV I N 150A > I 189. max 4A I Nbr 31.5kA > I'' 1. 0kA i 80 ka > i 4. ka Ncl sh 96 I t t 31.5 4 3969( ka) s Q k Q p I '' + 10I 1 + I 4 111.86( ka) s i I t > t Q k 80 ka > i 4. ka es sh 96

U N 1 kv U Ns 10kV I N 000A > I 11. max 47A I Nbr 31.5kA > I'' 1. 0kA i 80 ka > i 4. ka Ncl sh 96 I t Q i k t 31.5 4 3969( ka) s Q I t > p t Q k I '' + 10I 1 + I 4 111.86( ka) 80 ka > i 4. ka es sh 96 s U N 110 kv U Ns 110kV I N 1000A > I 06. max 7A I t Q k t 1.5 5 311( ka) s Q p I '' + 10I 1 + I 4 6.53( ka) s i I t > t Q k 80 ka > i 6. ka es sh 93 U N 35 kv U Ns 35kV

I N 1000A > I 346. max 4A I t t 5 4 500( ka) s Q k Q p I '' + 10I 1 + I 4 1.17( ka) s i I t > t Q k 83 ka > i 14. ka es sh 36 U N1 110kV U Ns 110kV I N 300A > I 06. 7A Q k Q p I '' + 10I 1 + I 4 1 max 6.53( ka) s ( K I ) (75 0.3) 506.5( ka) s t t Nt ( K I ) > Q Nt k I N 1 K es 0.3 130 55.15kA > ish 6. 93kA U N1 35kV U Ns 35kV I N A > I 16. 5A 1 300 max Q k Q p I '' + 10I 1 + I 4 1.17( ka) s

( K I ) (65 0.3) 380.5( ka) s t Nt ( K I ) > Q t Nt k I N 1 K es 0.3 100 4.4kA > ish 14. 36kA U N1 35kV U Ns 35kV I N A > I 346. 4A Q k Q p I '' + 10I 1 + I 4 1 800 max 1.17( ka) ( K I ) (65 0.8) 704( ka) s t t Nt ( K I ) > Q Nt k s I N 1 K es 0.8 100 113.1kA > ish 14. 36kA U N1 10kV U Ns 10kV I N 1 000A > I max 11. 47A Q k Q p I '' + 10I 1 + I 4 111.86( ka) s ( K I ) (50 ) 10000( ka) s t Nt ( K I ) > Q t Nt k

I N 1 K es 90 54.5kA > ish 4. 96kA.8U N1 88kV < U Ns 110kV < 1.U N 13kV 0 1 3.8U N1 8kV < U Ns 35kV < 1.U N 4kV 0 1.8U N1 8kV < U Ns 10kV < 1.U N 1kV 0 1 U N 35 kv U Ns 35kV S Ns 000 MVA > S'' 341. 9MVA

U N 10 kv U Ns 10kV S Ns 1000 MVA > S'' 07. 84MVA I S( mm ) g max I I y C k f I g max I y g max I S t j k f C U lj U g Ulj U lj 0.301 a 84kmrδ r(1 + lg ) δr r k m r δ r

a σ xu σ r σ xu k θ 68000 I g max 356. 9A 5 3 110 I g max I 5 356.9 g max 440. 64A 40 k 0.81 S U lj I θ.54 10 97 3 185mm > t j k f 3.43 1 48.5mm C 0.301 a 84kmrδr(1 + lg ) 84 0.96 0.8 1 1.1 (1 + δr r 0.301 00 lg ) 1.1 1 1.1 0.1kV > U g 110kV 38000 / I g max 313. 43A 5 3 35 I g max I 5 313.43 g max 386. 95A 40 k 0.81 θ

S I 4.46 10 97 3 185mm > t j k f 3.43 1 84.91mm C U lj 84km δr(1 + r 0.301 lg δr a ) 84 0.96 0.8 1 0.77 (1 + r 0.301 0.77 1 00 lg ) 0.77 148.6kV > U g 35kV 1500 I g max 71. 7A 5 3 10 I I 71.7 g max 5 g max 890. 9 40 kθ 0.81 A I 3 9.79 10 S 110 10mm > t j k f 3.43 1 186.9mm C 97 σ l aw 100 30 9 3 3 r 1.76 10 ichβ 1.76 10 4.96 1 1.46kg / cm σ ux 500 700kg / cm

r x r ( 1.5h h p x x ) p h hx r r r r (1.5 x1 x x3 x4 30 13.5) 18m 99 b x 1 1.5(30 13.5) 3. 54m 7 1 68 bx 3 bx4 1 1.5(30 13.5) 10. 19m 7 1 99 b x 3 4 1.5(30 1.5) 5. 04m 7 1 10 b x 4 1.5(30 1.5) 0. 75m 7 1