MRw-b1(pp) 20/630

Technical parameters, electrical diagram, downloads, a description of the type of container transformer station MRw-b1 20/630 production ZPUE S.A.
Stacja typu MRw-b1(pp) 20/630
External/internal height of the main structure of the substation:
Standard 2250 mm / 2150 mm
Optional 2650 mm / 2450 mm or 3000 mm / 2800 mm

Placement of equipment

MRw-b1(pp) 20/630-4"a”
MRw-b1(pp) 20/630-4”a”
MRw-b1(pp) 20/630-4"b”
MRw-b1(pp) 20/630-4”b”
MRw-b1(pp) 20/630-4"c”
MRw-b1(pp) 20/630-4”c”
MRw-b1(pp) 20/630-4"d”
MRw-b1(pp) 20/630-4”d”
1 Walls, 120 mm thick - standard, 90 mm thick - optional
Walls without holes - REI 120 fire integrity class
2 Ventilation louvres IP 23D - standard, IP 43 - optional
In ventilation louvres mounted in walls with fire integrity class,
fire dampers are installed (e.g. EI 60 or EIS 120) - optional
3 Doors: solid or with ventilation louvres, IP 23D - standard,
IP 43 - optional
Doors with fire resistance e.g EI 60 or EI 120 - optional
4 Transformer
5 LV switchgear
5a AMI cabinet / Smart Grid / telemetry / auxiliary
6 MV switchgear
7 Cable duct hatch door

Electrical diagram

Schemat elektryczny stacji MRw-b1(pp) 20/630

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Obudowy betonowe MRw-b1(pp)
Mass / Area
Foundation 4 000 kg
Main structure 10 000 kg
Concrete roof 2 400 kg
Metal roof 300-550 kg
Usable area 5,49 m2
Technical parameters / configuration possibilities
Transformer (4) Maximum power / dimension 630 kVA / 980* x 2000 x 1850 [mm]
Internal arc resistance classification IAC-AB-16 kA-1s
Enclosure class 10 (depending on substation configuration)
Electrical parameters of switchgears MV LV
Rated voltage up to 25 kV up to 0,69 kV
Rated current up to 630 A up to 1250 A
Rated short-time withstand current up to 20 kA (1s) up to 25 kA (1s)
Rated peak withstand current up to 50 kA up to 52,5 kA
Switchgear** Typ Maximum number of bays
LV (5) RN-W 10
MV (6) TPM Kompakt / TPM 4 (LLTL) / 2 (TL or WL) or
3 (TLL or WLL only in „c”, „d” layouts)

* Maximum width of the transformer installed through the substation doors. Wider transformers may be installed from the top.

** Detailed selection of switchgears and their equipment is listed in chapters dedicated to individual devices in the catalogue. Example layouts of switchgears and corresponding substation configurations are specified in parentheses, if any.

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