PACTEL and PWR PACTEL Test Facilities for Versatile LWR Applications

Table 1

PACTEL facility characteristics and comparative reference reactor values.

Characteristic	PACTEL	VVER-440 (Loviisa)
Reference power plant	VVER-440	—
Volumetric scaling ratio	1 : 305	—
Scaling factor for component heights and elevations	1 : 1	—
Number of primary loops	3	6
Steam generator type	Horizontal	Horizontal
Maximum heating power/thermal power [MW]	1	1500 (1375)
Number of rod simulators—fuel rods	144	39438
Outer diameter of rod simulators—fuel rods [mm]	9.1	9.1
Rod simulator—fuel rod pitch [mm]	12.2	12.2
Heated length of rod simulators—fuel rods [m]	2.42	2.42
Axial power distribution	Chopped cosine	—
Maximum cladding temperature [°C]	800	—
Maximum operating pressure [MPa]	8.0	12.3
Maximum operating temperature [°C]	300	300
Maximum secondary pressure [MPa]	5.0	5.0
Maximum secondary temperature [°C]	260	260
Feedwater tank pressure [MPa]	2.5	2.5
Feedwater tank temperature [°C]	225	225
Accumulator pressure [MPa]	5.5	5.5
Low-pressure ECC-water pressure [MPa]	0.7	0.7
High-pressure ECC-water pressure [MPa]	8.0	8.0
ECC-water temperature [°C]	30–50	30–50
Main material of components	Stainless steel	—
Insulation material	Mineral wool; (Aluminium cover)	—