РRUSSIAN NUCLEAR ENERGY TODAY

Transcription

1 39 ANNUAL MEETING SPANISH NUCLEAR SOCIETY РRUSSIAN NUCLEAR ENERGY TODAY Deputy director for production and NPP operation Director for engineering support, professor Nickolay N. Davidenko REUS, September, 2013.

2 OJSC "Concern Rosenergoatom - Operating Utility The concern was established as an operating utility in by the decree of the president of the Russian Federation 33 number of operating power units MW - installed capacity 177, bln.kwh - generated in 2012 number of employees OJSC "Concern Rosenergoatom 2

3 Nuclear Power Units in Russia, existing and under construction 10 NPPs, 33 power units, Ninst.= MW Bilibino NPP Leningrad NPP Kola NPP Kalinin NPP Baltic NPP Kursk NPP Smolensk NPP Balakovo NPP RBMK-1000 (11 GW - 45%) VVER-1000 (10 GW 41,3%) VVER-440 (2,6 GW - 11%) BN-600 (0,6 GW 2,5%) EGP-6 (0,05 GW 0,2%) Novovoronezh NPP Rostov NPP Beloyarsk NPP - NPP UNDER CONSTRUCTION 3

4 bln.kwh % 134,9 139,8 148, ,6 154,7 158,3 162,3 163,3 170,1 172,7 177,3 875,8 875,1 900,2 914,8 934,6 977,3 997, ,3 978, , , ,0 Power Production ,5 16,7 16,6 16,6 16,8 17 Total power production in Russia (CDD data) ,4 16,0 15,6 15,8 15,8 15,9 15, Total Russia Concern Rosenergoatom % NPP production share in the regional power production in

5 bln.kwh NPP Production and Load Factor in Russia NPP production in Russia Commiss ioned 4BAL 119,6 119,2 Commis sioned 1ROS 108,8 97,8 99,3 Commis sioned 3KAL 108,3 120,0 103,5 Commis sioned 2ROS 128,9 Commi ssione d 4KAL 148,6 139,8 134,9 143,0 147,6 172,7 170,1 162,3 158,3 163,3 154,7 177, % NPP load factor in Russia ,3 64, ,5 71,7 70,3 63,2 63,1 69,1 61,4 64,5 81,5 82,2 83,6 83,8 82,8 83,2 78,9 78,3 79,2 75,4 76,2 81,3 81,2 80,9 73,2 73,7 79,5 80,2 77,7 76, ,2 73,4 58,3 58,2 55, ,6 53, LOAD factor AVAILABILITY factor 5

6 NPP State of Safety Dynamics of NPP inservice troubles in Russia Total Since 1998 new regulations are in effect to record of inservice troubles In January- May NO incidents with radiological effects Safety significant Others NO personnel exposed to doses higher than 20 msv Discharge and release activity at NPP is 19% or less of permissible values 6

7 Operation Summary for January-July 2013 Potential power production Actual power production 99148,8 mln.kwh 97188,6 mln.kwh which is: 98,97% to FTS target 93,21% to last year Load factor 75,67% ( ,5%) Availability factor 77,23% ( ,0%) 7

8 PLANT LIFETIME EXTENSION, IMPROVING PERFORMANCE AND RELIABILITY OF NPP EQUIPMENT 8

9 Strategy of Operating Utility to Extend the Lifetime оf NPP Units MW bln. kwh Production of units w/ extended lifetime 25,3 % NPPs, 33 units MW incl. 12 first-generation units MW More than 60 % of production is attributed to units w/ extended lifetime bln. kwh ~ 20 bln. $ PLEX for 15 years

10 Plant Lifetime Extension As of , the plant lifetime extension arrangements are implemented at 18 power units with total installed capacity MW: NPP Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Leningrad RBMK-1000 RBMK-1000 RBMK-1000 RBMK-1000 Kursk RBMK-1000 RBMK-1000 Bilibino EGP-6 EGP-6 EGP-6 EGP-6 Beloyarsk BN-600 Kola VVER-440 VVER-440 VVER-440 Novovoronezh VVER-440 VVER-440 VVER-1000 Smolensk RBMK

11 Capacity, MW Maintaining NPP Generating Capacity as a Result of Lifetime Extension +2KOL +1,2BIL +2LEN +3BIL +1KUR +4BIL +2KUR +3LEN +3BEL +4LEN +3KOL +5NV +1SMO +3KUR +1KOL +4KOL +4KUR +2SMO +1BAL 67% of Ninst. +3NV 11

12 mln. $ Cost of NPP Upgrading 1266,6 1284,1 1189,4 1335, , ,9 210,7 258,3 281, ,2 442, ,

13 UPGRADING AND PLEX Results of Upgrading and PLEX of NPP Units Probability of Severe Core Damage 0,0006 0,0005 0,0004 8,00E-03 6,20E-03 0,009 0,008 0,007 0,006 0,0003 0,005 0,004 0,0002 0,003 1,80E-03 1,80E-03 1,73E-03 1,73E-03 0,002 0,0001 3,44E-05 5,15E-05 1,00E-03 2,92E-05 9,60E-06 9,34E-06 2,52E-05 0,001 3,00E ЛЕН 1КУР 3НВО 4НВО 1КОЛ 2КОЛ 1,2БИЛ Post-upgrading Initial design 13

14 UPGRADING И PLEX Package of Documents for Justification of Residual Life Documents for justification of service life for Kola NPP, Unit 1 : Conclusions and decisions on the equipment technical condition Equipment inspection reports, inspection records, estimates. 14

15 Upgrading for Lifetime Extension Novovoronezh NPP, Unit 5 (VVER-1000/В-179) (2008 September 2011) Upgrading of emergency power supply system Implementation of two package system for reactor control and protection Implementation of SG additional emergency feedwater system Implementation of hydrogen explosion-proof system Implementation of gaseous fire fighting systems in rooms with power unit control and protection systems Replacement of turbine generator excitation system with digital equipment Replacement of generator switches with SF6 switches Replacement of the reactor upper head and main joint nut driver 15

16 IMPROVEMENT AND JUSTIFICATION OF RELIABILITY OF EQUIPMENT PERFORMANCE Providing Reliable Operation of Steam Generators Upgraded are blowdown and water feed systems, level meters and steam generator internals Start of trial commissioning of secondary chemistry with dosing of morpholine at Unit 1, Volgodonsk Increased reliability of tubing eddycurrent testing Justified is SG lifetime extension for 3, 4 NV and 1KOL for 15 years SG operating time at Kalinin NPP, Unit 1 reached hours which is the best result worldwide for SG of such capacity 16

17 Performance Improvement for Mechanical Equipment 17 Implemented Implementation of ball purification system for condensers of turbine plants (4) Upgrading of flow-through portion of LP cylinders with replacement of 4, 5 stages for turbine К ; Upgrading of moisture separator reheaters MSRs for power units with VVER and RBMK reactors. Being implemented replacement of secondary copper-containing equipment for VVER-1000 (LP condensers, LP heaters, etc.); Upgrading of HP cylinders for turbines at NPP with VVER-1000 acc. to the suggestions of «Alstom Atomenergomash» Ltd. and OJSC «Turboatom» 17

18 Increase in Power Output of NPP Turbine Equipment 900 MW ,7 633,5 697,5 777, , , , , ,5 0 26, Total 1.3. BPS implementation 1.2. Turbine flow-through portion upgrading 1.4.MSR upgrading 18

19 Implementation of Ball Purification System for Turbine LP Condensers Ball purification systems are implemented for turbine condensers at 20 power units which resulted in increase in power output 296 MW 19

20 Upgrading of 4 and 5 Stages for LP cylinders for Turbine К /3000 Installation in the flow-through portion of LP cylinder of a last-stage the working blade of 1030 mm instead of 852 mm results in significant reduction of losses at the turbine exhaust. The exhaust area is increased from 6,3 m 2 to 8,2 m 2. Upgraded are LP cylinders for 21 turbines with power increase by 365 MW 20

21 MSR UPGRADING Pre separator POWERSEP MSRs are upgraded at 19 power units wet steam steam 12,5% 2,5% swirl vane separate discharge chamber separated condensate Increase in power output 129,5 MW Separator module POWERVANE 15% 0,3% 21

22 Replacement of Copper-Containing Equipment Replacement schedule for equipment made of copper-based alloys at NPPs with VVER-1000 during planned outage of NPP Balakovo К / Rostov К / Kalinin К / Kalinin К /3000 FWP-3000 FWP-1200 LPC U ni LP t LP LP LP LP LP LP LP TD heater- TG heater-4 heater-3 heater-2 1 heater-2 2 heater-2 3 heater-1 1 heater-1 2 FWP Copper is excluded as per design /6 in /6 in 2014 ½ in 2014 ½ in LP heaters are made of austenitic steels as per design Copper is excluded as per design Novovoronezh 4. 5 LP heater replaced with austenitic steel 2011 К /1500 Pipe systems are replaced with stainless steel 2012 Tendering is completed, contracts are signed 2012 Pipe systems are being manufactured 2016 Scheduled replacement time ТА ТА

23 Replacement of TG-1 Condensers at Balakovo NPP Dismantling of wall panels, equipment and utility lines in the installation area was carried out simultaneously 23

24 TG UPGRADING for VVER-1000 Power Unit Upgrading options for 8 turbines K /1500 BAL, KOL and ROS NPP in a collaborative effort with «ALSTOM Atomenergomash» Option А Reactor power 104 % (3120 MW (t). (Upgrading of flow-through portion of HP cylinder and turbine generator ) Increase in power : N el. = 30,7 MW Effect for 8 turbines: N el. = 245,6 MW Option B Reactor power 110 % (3300 MW (t) (Upgrading of flow-through portion of HP cylinder, three LP cylinders and turbine generator ). Increase in power : N el. = 131,7 MW Effect for 8 turbines: N el. = 1053,6 MW HP cylinder LP cylinder 24

25 Upgrading of HP Cylinder for VVER-1000 Power Unit Upgrading options for 8 turbines К /1500 BAL, KOL and ROS NPP with VVER-1000 and 2 turbines К /1500 NV NPP in a collaborative effort with OJSC «Turboatom» 8 turbines К /1500 BAL, KOL and ROS NPP Replacement of flow-through portion of HP cylinder for 8 turbines К /1500 with upgraded equipment with the total increase in power output by 86 MW due to the increase of the internal efficiency of cylinders. Effect for 8 turbines: N el. = 86 MW 2 turbines К /1500 NVNPP With maintaining Nt 100% owing to upgrading 1 7 stages of HP cylinder stages of MP cylinder, the expected increase in power output of one turbine is N el. = 15 MW. Effect for 2 turbines: N el. = 30 MW 25

26 Power Uprate at Operating Power Units This program is implemented with strict adherence to safety requirements 1. For VVER power uprate up to 104% (with the prospect up to 110%) from the rated power and transition to a 18-month fuel cycle 2. For VVER power uprate up to 107% from the rated power and transition to a 6-year fuel cycle Main areas for improvement of fuel, fuel cycles and fuel elements : Increase in fuel enrichment up to permissible limits (4.95%). Increase in fuel mass. Improvement of the design (increase in bending stiffness, structure demountability, increase in uranium content, use of anti-debris filters, use of mixing grids- heat transfer intensifiers). 26

27 Power Uprate of Operating Power Units Starting with 2008, the operating utility - OJSC "Concern Rosenergoatom is engaged in uprate activities to bring power at the power units to values higher than the rated power. NPP safety cases are developed as well as reports on the results of power units testing at the uprated power level. Currently, five NPP power units are operated at the uprated power. For a number of power units the work is underway to transfer to an uprated power level. 27

28 Implementation of Uprate Program for NPP Power Units with VVER Reactors NPP, Unit Balakovo NPP, 1 104% test TrC Balakovo NPP, 2 104% test TrC 104% comm. 104% comm Balakovo NPP, 3 Balakovo NPP, 4 104% test TrC 104% test TrC 104% comm 104% comm Kalinin NPP, 1 Kalinin NPP, 2 104% test TrC 104% test TrC Kalinin NPP, 3 104% test TrC Kalinin NPP, 4 104% test TrC Rostov NPP, 1 104% test TrC Rostov NPP, 2 104% test TrC 104% test testing at 104%N rated. TrC trial commissioning at 104% N rated 104% comm commercial operation at 104% N rated. - transitional loading for 18 month fuel cycle -operation with 18 month fuel cycle 28

29 NPP CONSTRUCTION, INNOVATIONS 29

30 Commissioning of Unit 4 at Kalinin NPP June 20, 2012 September 25, 2012 Unit brought to100% power level. Unit 4 of Kalinin NPP has entered commercial operation of which State Acceptance Committee signed a record 30

31 Road Map for Construction of NPP Power Units 31

32 CONSTRUCTION PROGRESS Leningrad NPP -2 Project implementation timeframe: Construction start: 2007 Unit 1; 2008 Unit 2; First power: 2015 Unit 1; 2017 Unit 2. Nuclear power plant «NPP 2006» with VVER 1200 reactor. Recent developments: Installation of bridge cranes 15t, 50t at elevation in the turbine building for Unit 1. In reactor building for Unit 2, core catcher casing is mounted at elevation

33 CONSTRUCTION PROGRESS Novovoronezh NPP -2 Project implementation timeframe: Construction start: 2007 Unit 1; 2008 Unit 2. First power: 2015 Unit 1; 2016 Unit 2. Double-unit nuclear power plant «NPP 2006» with VVER 1200 reactor Recent developments: In reactor building for Unit 1, welding of MCP is in progress. Installation is complete for bridge crane 220 t in turbine building for Unit 2. Commissioning is in progress. 33

34 CONSTRUCTION PROGRESS Rostov NPP, Units 3, 4 Project implementation timeframe: Construction start: 2007 Unit 3 (availability approx. 40%); 2009 Unit 4; First power: 2014 Unit 3; 2017 Unit 4. Standardized NPP design with VVER-1000 В-320 reactor Recent developments: Installation of generator stator on foundation for Unit 3. Reactor vessel for Unit 3 is delivered on site. 34

35 CONSTRUCTION PROGRESS BELOYARSK NPP -2 Beloyarsk NPP, Unit 4, with fast breeder reactor BN-800 Project implementation timeframe: Construction start: 2006; First power: Recent developments: Sodium delivery is in progress. CCR work is being completed. Installation of turbine generator started. 35

36 Design NPP Basis for Implementation of «Road Map» General Layout Diagram Power unit thermal capacity increased up to 3200 MW and efficiency (gross) up to 36,2% owing to: avoidance of excessive conservatism improvement of thermal scheme of the power unit increase in steam parameters at the steam generator output and pressure loss reduction in steam pipelines Cost effectiveness is improved owing to: optimization of use of passive and active safety systems used in AES -91 and AES -92 standardization of the major equipment reduction of material capacity 36

37 NPP VVER-TOI Protection against External Impacts HURRICANES, TORNADOS Design maximum wind velocity 56 m/s (roofs being broken off, large trees uprooted, railway cars overturned, cars moved off the highways) AIRCRAFT CRASH BASIC version : 20.0 t at speed 200 m/s OPTION: 400,0 t SHOCK WAVE with front-end pressure 30 kpa SEISMIC IMPACT BASIC version : SSE magnitude of 7 per MSK-64 DBE magnitude of 6 OPTION: SSE magnitude of 9 per MSK-64 DBE magnitude of 8 FLOODING, STORMS Applicable to site-specific conditions LENGTHY LOSS OF POWER AND WATER SUPPLY 37

38 Objectives of «VVER-TOI» Projects Development of NPP standard design by 20% cheaper than NVNPP -II; design construction period 48/40 months; by 10% reduction in operating costs against Balakovo NPP ; creation of up-to-date information environment Update regulatory and legal framework update regulatory and legal instruments to ensure the applicability of innovative technologies for design and construction; introduce the package of regulatory and legal instruments for approval by the relevant institutions. The project is finalized at the end of

39 Action Plan for VVER TOI Middle 2013 г. Design development for construction of Nizhegorodsky NPP and Akkuyu NPP Tendering and selection of NPP equipment Beginning 2015 Middle 2015 Issuing the working documents Preliminary works Major on-site works End 2019 Commissioning of the first power units 39

40 CONCLUSION Nuclear power in Russia today is a dynamically developing industry 40

41 THANK YOU FOR YOUR ATTENTION! 41

42 NPP and VVER-TOI Characteristics Project description NPP LENNPP -2 VVER-TOI Kursk NPP -2 Атомная энергетика Russia сегодня (В-510) Power динамично units, number развивающаяся 2 отрасль 2 Reactor type VVER-1200 VVER-1200 Capacity of one power unit (gross), MW(e) Thermal capacity of the reactor plant, MW Design service life of one power unit, years Heating capacity of one power unit, MW Auxiliary electric power consumption, less than 7,0 6,47 Efficiency (gross) for average annual conditions, % 36,2 37,5 Average annual availability factor for the installed rated 0,9 0,93 capacity Time period between fuel reloading, less than