1. Author: Martin Bíca
NPP Engineering Manager
ČEZ a.s., NPP Temelín, 37305 Temelín
martin.bica@cez.cz
NPP Temelín U1,2
Power Uprate Project
International Topical Meeting
VVER 2010 Experience & Perspectives
1 ÷ 3 November 2010, Prague, CZ

2. Temelín Introduction
PWR, 2 x VVER-1000 V-320
Rated Thermal Power: 3000 MWt
Generator nom. output: ≈ 1016 MWe
 10/2000 – U1 1st.
criticality
 12/2000 – U1 1st.
connection to grid
 01/2002 – U1 – 100%
 05/2002 – U2 1st.
criticality
 12/2002 – U2 1st.
connection to grid
 03/2003 – U2 – 100%
Annual Production: 13,25
TWh (2009), 13,8 TWh
(2010 – plan)
Safely 15-TERA Program
- to get into the first quarter of operated NPPs worldwide based on safety
indicators
- to achieve and maintain 15 TWh annual production

3. N = 100 % (3000 MWt) ……………..
N = 104 % (3120 MWt) ……………..
N = 1016 MWe
N = 1059 MWe
N = 1081 MWe
~
NPP Temelín – Power Uprate Project
Uprate of reactor thermal
power to 3120 MWt
New turbine LP parts
with increased
thermodynamic
efficiency (+22 MWe)
Reactor power uprate
+ new LP parts
= increase of power
output: 1081 MWe

4. NPP Temelín – Power Uprate Basic Principles
 Current TVSA-T fuel (as licensed for 3000 MWt)
 Analyses independent on particular reload scheme, supporting
core operation with cycle lengths 260-480 EFPD
 Flow-rates, functions and volumes of safety systems remain
unchanged
 Safety analysis acceptance criteria remain unchanged (i.e. same
as for 100%)
 Steam Generator nominal secondary pressure unchanged
 Changes expected in trip setpoints, methodologies, control
systems settings, …
Power Uprate Project is based on exploitation of the reserves
existing in the current design => no extensive modifications of
plant systems / equipment

5. NPP Temelín – Project Scope
Fuel and licensing
• Update of core design and safety evaluation methodologies
• 1st 104% cycle core design
• Safety analysis
• SAR revision
Transient analysis, optimization of I&C setpoints
Evaluation of power uprate impact on systems &
equipment parameters / performance
• Equipment strenght & lifetime reevaluation
• SG secondary side performance
• Specification of necessary modifications …
Expected modifications:
- Enhancement of generator, generator main breaker, encapsulated leads cooling
- Modifications of I&C systems settings (protection, limitation, control systems)

6. NPP Temelín – Project Scope (cont.)
Miscellaneous other evaluations
Power uprate impact on … operation, chemistry, equipment qualification …
Specification of startup tests and measurements
Update of impacted operational documentation
Environmental impact evaluation
No need for increase of any effluent limits or other environment related limits
(confirmed by already completed calculations)  no formal EIA procedure
necessary

7. NPP Temelín – Project Organisation
ČEZ a.s.
OWNER
JSC TVEL
NRI Řež
OKB Gidropress
(RCS Designer)
Main Subcontractor
Amendment 14 to
Fuel Contract
Uprate
Contract
Equipment
Manufacturers
Uprate
Contract
other czech
organisations

8. NPP Temelín – Project Schedule
2010 2011 2012
Contract, Initial data transfer
Steady State analysis
Transient Analysis
I&C Setpoint Study …
Update of Core Design / Safety Eval. Meth.
Core Design for 1st 104% cycle
Safety Analysis, SAR revision, …
Equipment Analysis …
Equipment Modifications
Operational Documentation Update
Ministry of Industry – Request for change in facility
utilization
State Office for Nuclear Safety – Request for modification
permission
U1 Project Implementation
Reference Schedule => several risks ! …

9. NPP Temelín – Power Uprate Project
Questions / Remarks

10. NPP Temelín – Power Uprate Project
Questions / Remarks