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Total in-text references: 1- In-text reference with the coordinate start=3486
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- Calculation of reliability and economic performance for the fi rst variant is as follows. 1. According to the scheme of Figure 1 form the structural circuitry for calculating the reliability of the two radial transmission line of 110 kV
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- . sion lines from the Stavropolskaya GRES. Power Quarterly Research and Practice Journal 3RZHU-OLQH-, 3RZHU-OLQH-,, .. .ɜ-.ɜ-.ɜ-.ɜ--.S,,PD[3PD[ 2. Let the necessary input data for the calculation Кpl110 = qpl110 Lpl110 = 6,8∙100∙38,9 + 8,1∙100∙42,6 = 60958 thousand Roubles.

- In-text reference with the coordinate start=3486
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Total in-text references: 4- In-text reference with the coordinate start=3926
- Prefix
- Let the necessary input data for the calculation Кpl110 = qpl110 Lpl110 = 6,8∙100∙38,9 + 8,1∙100∙42,6 = 60958 thousand Roubles. The project budget a transformer substation according to Table 7 of Annex B
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- ts(126,4256,164,9109,4)100556800 thousand Roubles. The project budget of fi rst variant grid transmission system with radial transmission feeder 1plts60958556800617758 thousand Roubles. 6.

- In-text reference with the coordinate start=4534
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- For unscheduled outage accept ωpl = 0.027 failures / km ∙ year, Тв = 4.52 hours. Initial data for calculation of parameters of reliability transformer substation are in Table 2.1
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- : ωт = 0.015 failures / year, Тв = 8·10-3 year / failure, to air circuit breakers ωв = 0.03 failures / year, Тв = 3·10-3 year / failure for switches and shortcircuiting switches ωок = 0.01 failures / year, Тв = 0.8·10-3 year / failure.

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- 08∙10-3 = 0.34∙10-3; for substation «Razdolnaya» and «Grigoropolisskaya» ωts = 0.015 + 0.03 + + 0.01 = 0.055 failures / year; Кв6 = Кв8 = 0.015∙8∙10-3 + 0.03∙3∙10-3 + 0.01∙0.08∙10-3 = 0.22∙10-3. 4. Found reliability radial transmission lines (I and II): parameter fl ow sudden outages 0,0271,1607,004,01,248,14 n Roubles. The maintenance expenses (Qтп и Qвл Annex B
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- ) Cо = рок1 =5,9∙617758 = 34594,5 thousand Roubles. The cost of transmission losses. Found cost of transmission losses in the network element according to the formula zzzzh/c: For overhead transmission line 8,1693600/32700079cpl kopecks / kW ∙ h; For transformer substation c82420000/3500

- In-text reference with the coordinate start=7693
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- Total operating expenses in a year 8,787878,71275,345945,37065y thousand Roubles n 33 3 .1004,1 0,02719,722,90,52100,22210 5. Found capital contribution to network costs. Capital expenditures will fi nd using specifi c parameters
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- i1 No 1(21)/1 Supplement, 2016 7. Find the supply-interruption cost Found overall indicators compared variants power line 1. Net present value (NPV) Net present value over 10 years of the project at the rate of discount E = 0.1 10 0 10 m0 m ec6,2988619440 (10,1) 7964 (1 NVP m t 0leW, calcleW.

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Total in-text references: 2- In-text reference with the coordinate start=5586
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- So, we get a very low failure fl ow for one transformer, and if there a substation transformer of reserve failure fl ow will be even less so in the calculation of the reliability of the substation transformer reliability may be unreported
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- . For substation «Krasnaya Zarya» ωts = 0.03 + 0.04 = 0.08 failures / year; Кв2 = 0.03∙3∙10-3 + 0.01∙0.08∙10-3 = 0.1∙10-3; for substation Novoaleksandrovskaya ωts = 0.015∙2 + 0.03 + 0.01 = = 0.07 failures / year; Кв4 = 0.03∙8∙10-3 + 0.03∙3∙10-3 0.01∙0.08∙10-3 = 0.34∙10-3; for substation «Razdolnaya» and «Grigoropolisskaya» ωts = 0.015 + 0.03 + + 0.01 = 0.05

- In-text reference with the coordinate start=8794
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- We defi ne operational reliability index and economic performance for the second variant if there is a reserve power line girt between transformer substations «Novoaleksandrovskaya» and «Grigoropolisskaya» 1. The operational reliability index for radial power network
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- . With parallel connection of elements fl ow outages determined by the formula 7,5471188,1298,1421,157Fm failures / year. 2. Defi ne the capital cost of the power supply system by the second variant The cost of building a power supply system will be determined by the value of the radial power network plus girt. 637198241001,86177582 thousand Roubles.

- In-text reference with the coordinate start=5586
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Total in-text references: 1- In-text reference with the coordinate start=3486
- Prefix
- Calculation of reliability and economic performance for the fi rst variant is as follows. 1. According to the scheme of Figure 1 form the structural circuitry for calculating the reliability of the two radial transmission line of 110 kV
- Exact
- [1, 4]
- Suffix
- . sion lines from the Stavropolskaya GRES. Power Quarterly Research and Practice Journal 3RZHU-OLQH-, 3RZHU-OLQH-,, .. .ɜ-.ɜ-.ɜ-.ɜ--.S,,PD[3PD[ 2. Let the necessary input data for the calculation Кpl110 = qpl110 Lpl110 = 6,8∙100∙38,9 + 8,1∙100∙42,6 = 60958 thousand Roubles.

- In-text reference with the coordinate start=3486