Concrete container transformer stations with service corridor

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-b2(pp) 20/630-4"a”

MRw-b2(pp) 20/630-3"b”

MRw-b2(pp) 20/630-3"c”

MRw-b2(pp) 20/630-4"d”

1	Walls, 120 mm thick - standard, 90 mm - optional Solid walls - 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 without fire integrity class, 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-b2(pp) 20/630

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Mass / Area
Foundation	4 500 kg
Main structure	11 000 kg
Concrete roof	3 200 kg
Metal roof	450-600 kg
Usable area	7,18 m²

Technical parameters / configuration possibilities
Transformer (4) Maximum power / dimension		630 kVA / 980* x 2000 x 1850 [mm]
Internal arc resistance classification		IAC-AB-20 kA-1s
Enclosure class		up to 10 (depending on substation configuration)
Electrical parameters of switchgears		MV	LV
Rated voltage		up to 25 kV	up to 0,69 kV
Rated current		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	5 / 10 / 12 (depending on configuration)
MV (6)	TPM / TPM Kompakt	4 (TLLL „c”, „d”) / 4 (LLTL)
	Rotoblok SF (500)	3 (for „a” or „b” - LV max. 5)

* 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.

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-b(pp) 20/630-3"a”/5

MRw-b(pp) 20/630-3"b”

MRw-b(pp) 20/1000-3"a”

MRw-b(pp) 20/1000-3"b”/4

1	Walls, 120 mm thick - standard, 90 mm - optional Solid walls - 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, without fire integrity class 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
5b	Capacitor bank
6	MV switchgear
7	Cable duct hatch door

Electrical diagram

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Mass / Area
Foundation	5 400 kg
Main structure	13 000 kg
Concrete roof	4 000 kg
Metal roof	450-600 kg
Usable area	8,72 m²

Technical parameters / configuration possibilities
Transformer (4) Maximum power / dimension		630 kVA / 980* x 2000 x 1850 [mm] 1000 kVA / 1150* x 2000 x 1900 [mm]
Internal arc resistance classification		IAC-AB-20 kA-1s
Enclosure class		up to 10 (depending on substation configuration)
Electrical parameters of switchgears		MV	LV
Rated voltage		up to 25 kV	up to 0,8 kV
Rated current		630 A	up to 1600 A
Rated short-time withstand current		up to 20 kA (1s)	up to 35 kA (1s)
Rated peak withstand current		up to 50 kA	up to 77 kA
Switchgear**	Typ	Maximum number of bays
LV (5)	RN-W	19 (10 - standard)
MV (6)	Rotoblok (700 mm)	3 (630 kVA) / — (1000 kVA)
	Rotoblok 17,5 kV (700 mm)	3
	Rotoblok SF (500 mm)	4
	TPM	5 (np. TLLLL lub WLLLL)

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

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-b(pp) 20/630-4"a”

MRw-b(pp) 20/630-4"a”/7

MRw-b(pp) 20/1000-4"a”/5

MRw-b(pp) 20/1000-4"b”/5

1	Walls, 120 mm thick - standard, 90 mm - optional Solid walls - 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: EI 60 or EIS 120 - optional
3	Doors: solid or with ventilation louvres, without fire integrity class 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
5b	Capacitor bank
6	MV switchgear
7	Cable duct hatch door

Electrical diagram

Schemat elektryczny stacji MRw-b(pp) 20/630(1000)-4

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Mass / Area
Foundation	6 500 kg
Main structure	14 000 kg
Concrete roof	4 500 kg
Metal roof	600-800 kg
Usable area	10,93 m²

Technical parameters / configuration possibilities
Transformer (4) Maximum power / dimension		630 kVA / 980* x 2000 x 1850 [mm] 1000 kVA / 1150* x 2000 x 1900 [mm]
Internal arc resistance classification		IAC-AB-20 kA-1s
Enclosure class		up to 10 (depending on substation configuration)
Electrical parameters of switchgears		MV	LV
Rated voltage		up to 25 kV	up to 0,8 kV
Rated current		630 A	up to 1600 A
Rated short-time withstand current		up to 20 kA (1s)	up to 35 kA (1s)
Rated peak withstand current		up to 50 kA	up to 77 kA
Switchgear**	Typ	Maximum number of bays
LV (5)	RN-W	20 (10 - standard)
MV (6)	Rotoblok / Rotoblok 17,5 kV (700 mm)	4 (630 kVA) / — 3 (1000 kVA)
	Rotoblok SF (500 mm)	7 (630 kVA) / 6 (1000 kVA)
	TPM	7 (TLL+LLLL)

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

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"b”

MRw-b1(pp) 20/630-4"c”

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

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.

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-b(pp) 20/2x630-4"a”

MRw-b(pp) 20/2x630-4"b”/5 variant I

MRw-b(pp) 20/2x630-4"b” variant II

1	Walls, 120 mm thick - standard, 90 mm - optional Solid walls - 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, without fire integrity class 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
5b	Capacitor bank
6	MV switchgear
7	Cable duct hatch door

Electrical diagram

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Mass / Area
Foundation	6 500 kg
Main structure	14 000 kg
Concrete roof	4 500 kg
Metal roof	600-800 kg
Usable area	10,93 m²

Technical parameters / configuration possibilities
Transformer (4) Maximum power / dimension		2x630 kVA / 980* x 1750 x 1850 [mm]
Internal arc resistance classification		IAC-AB-16 kA-1s
Enclosure class		up to 10 (depending on substation configuration)
Electrical parameters of switchgears		MV	LV
Rated voltage		up to 25 kV	up to 0,69 kV
Rated current		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	2 x 10
MV (6)	Rotoblok SF (500 mm / 375 mm)	4 / 5 (only for „b”)
	TPM	4 (WLLW „a”) / 6 (TLL+LLT - „b”)

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

External/internal height of the main structure of the substation:
Standard	2350 mm / 2150 mm
Optional	2650 mm / 2450 mm or 3000 mm / 2800 mm

Placement of equipment

MRw-b(pp) (4,26x2,66) 22/2x630-8

MRw-b(pp) (5,46x3,06) 20/2x1000-4

MRw-b(pp) (4,76x3,06) 20/1000-5

MRw-b(pp) (6,16x2,66) 20/2x630-5

MRw-b(pp) (6,66x3,06) 20/2x1000-5

MRw-b(pp) (7,16x3,06) 20/2x1000-5

MRw-b(pp) (8,16x3,06) 20/2x1000-7

1	Walls, 120 mm thick - standard, 90 mm - optional Solid walls - 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, without fire integrity class 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
5b	Capacitor bank
6	MV switchgear
7	Cable duct hatch door

Possibility of constructing enclosures

MRw-bpp (5,46x3,06) 20/2000-3

Dimensions of concrete enclosures
	b - Width [mm]
a - Length [mm]		2410	2510	2660	3060	3560
	4260	+	+	+	+
	4760	+	+	+	+
	4760					+
	5460	+	+	+	+
	5460					+
	6160		+	+	+
	6660		+	+	+
	7160		+	+	+
	8160		+	+	+
	Wall thick [mm]	90/120*	90/120*	90/120*	90/120*	120

Technical parameters**
Transformer (4) Maximum power / dimension	4000 kVA or multiple
Internal arc resistance classification	do IAC-AB-25 kA-1s
Enclosure class	up to 10 (depending on substation configuration)
Electrical parameters of switchgears	MV	LV
Rated voltage	up to 36 kV	up to 1 kV
Rated current	up to 4000 A	up to 6300 A
Rated short-time withstand current	up to 40 kA (3s)	up to 105 kA (1s)
Rated peak withstand current	up to 100 kA	up to 231 kA
Configuration of MV and LV switchgears***

* Table specifies enclosures with wall thickness of 120 mm. In case of enclosures with a wall thickness of 90 mm, subtract 60 mm from the external dimensions of the enclosure.

** Technical parameters are specified as maximum, they will depend on the configuration of the substation and on devices used.

*** Detailed selection of switchgears and their equipment is listed in chapters dedicated to individual devices in the catalogue.

Concrete container transformer stations with service corridor

Placement of equipment

Electrical diagram

Technical parameters / configuration possibilities

Placement of equipment

Electrical diagram

Technical parameters / configuration possibilities

Placement of equipment

Electrical diagram

Technical parameters / configuration possibilities

Placement of equipment

Electrical diagram

Technical parameters / configuration possibilities

Placement of equipment

Electrical diagram

Technical parameters / configuration possibilities

Placement of equipment

Possibility of constructing enclosures

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