PMK-2, the First Integral Thermal-Hydraulics Tests for the Safety Evaluation of VVER-440/213 Nuclear Power Plants
Table 3
Hot leg breaks and primary to secondary leaks.
No. of tests
Project identification
Test acronym
Date of tests
Break size %
ECCS configuration and/or main objectives
(1)
OKKFT G-11
G11-7A
1989
7.4
ECCS configuration: 0 SIT and 1 HPIS Hot leg break LOCA for comparison
(2)
OKKFT G-11
G11-7B
1989
7.4
DBA case with ECCS configuration: 3 SITs and 1 HPIS Hot leg break LOCA for comparison
(3)
OKKFT G-11
G11-PS
1988
4.7
DBA case with ECCS configuration: 3 SITs and 2 HPISs Study of system behaviour in PRISE conditions
(4)
IAEA-SPE
SPE-3
1989
11.8
DBA case with ECCS configuration: 3 SITs and 3 HPISs PRISE, SG safety valve remains open
(5)
PHARE 4.2.6b
PH4-PS
1996
1.0
DBA case with minimum ECCS configuration: 2 SITs and 1 HPIS Pressuriser thermohydraulics when safety valve opens
(6)
PHARE 4.2.6b
PH4-SLB
1997
32.0
DBA case with minimum ECCS configuration: 2 SITs, 1 HPIS, 1 LPIS Pressuriser surge line break, core dryout, refill, reflood
(7)
PHARE 2.02
PH2-PS
1997
4.5
Maximum ECCS configuration: 4 SITs and 3 HPISs PRISE, SG safety valve stuck open, spray in PRZ, sec. bleed and feed
(8)
PHARE VVER01
PHV-11
1998
4.5
ECCS configuration: 2 SITs and 2 HPISs PRISE, AM actions, spray in PRZ, secondary bleed and feed
(9)
PHARE VVER01
PHV-12
1998
1.5
ECCS configuration: 2 SITs and 2 HPISs PRISE, AM actions, spray in PRZ, secondary bleed and feed
(10)
PHARE VVER01
PHV-13
1998
0.7
ECCS configuration: 1 HPIS and no SITs PRISE, AM actions, spray in PRZ, secondary bleed and feed
Note: There are three types of breaks: (i) hot leg break in tests no. 1 and 2, (ii) leak on the pressuriser in tests no. 5 and 6, (iii) primary to secondary leaks in tests nos. 3, 4, 7, 8, 9, and 10.
