MRw-k type substation — modular design

Transformer Station in metal housing MRw-k type substation — modular design production ZPUE S.A.
Stacja typu MRw-k - konstrukcja modułowa

Due to the modular design, it is possible to create a wide range of substation configurations based on standard modules, complex configuration based on MV switchgears (in air or gas insulation) and LV switchgears of our own manufacture.

Modular substations are based on a light, self-supporting metal structure. This design enables placement of the station directly on the ground or on previously prepared base, without the need to prepare additional foundations. This shortens the installation time and cost compared to traditional solutions built of brick.

Substation parameters

Substation parameters
Maximum transformer power up to 1000 kVA up to 2000 kVA
MV/LV rated voltage up to 24 kV / 0,4 kV
Switchgear continuous rated current (MV/LV) up to 630 A / 1600 A up to 630 A / 3200 A
Rated short-time withstand current (MV/LV) up to 25 kA (3s) / 35 kA (1s) up to 25 kA (3s) / 85 kA (1s)
Rated peak withstand current (MV/LV) up to 63 kA / 77 kA up to 63 kA / 187 kA
Internal arc classification up to AB-20 kA – 1s
Ingress protection rating IP 23D or IP 43

Design / modularity

Main functional compartments

Stacje specjalistyczne - przemysł ciężki / wydobywczy - schemat elektryczny

Example configurations of modular substations with TPM and Rotoblok SF type MV switchgears

Stacja typu MRw-k - konstrukcja modułowa

Technical parameters / Configuration options

Station Transformer (4) Switchgear - type / max. bay amount
Type Dimensions Maximum power MV (6) LV (5)
MRw 20/160 2,35 x 1,6 x 1,7 160 kVA NONE RN-W / 7
MRw 20/250 2,7 x 1,8 x 2,16 or 2,46 250 kVA TPM / 4 or 2 + M RN-W / 8
MRw 20/250 2,9 x 2,6 x 2,45 or 2,75 250 kVA Rotoblok SF / 4 RN-W / 14
MRw 20/1000 2,8 x 2,2 x 2,16 or 2,46 1000 kVA TPM / 5 or 3 + M RN-W / 12
MRw 20/1000 2,8 x 2,6 x 2,16 or 2,46 1000 kVA TPM / 6 or 4 + M or 5 + S RN-W / 16
MRw 20/1000 3,1 x 2,2 x 2,45 or 2,75 1000 kVA Rotoblok SF / 3 RN-W / 16
MRw 20/1000 3,1 x 2,6 x 2,45 or 2,75 1000 kVA Rotoblok SF / 4 RN-W / 16
MRw 20/1600 3,4 x 2,6 x 2,45 or 2,75 1600 kVA TPM / 6 or 4 + M lub 5 + S RN-W / 16
MRw 20/1600 3,7 x 2,6 x 2,45 or 2,75 1600 kVA Rotoblok SF / 4 RN-W / 16
MRw 20/2000 3,7 x 2,2 x 2,45 or 2,75 2000 kVA TPM / 6 or 4 + M or 5 + S ZR-W / 16
MRw 20/2000 4,0 x 2,6 x 2,45 or 2,75 2000 kVA Rotoblok SF / 4 ZR-W / 16

External view

Version with concrete foundations
Wariant z fundamentem betonowym
Versions with integrated metal foundations
Wariant ze zintegrowanym fundamentem metalowym

Concrete foundation

Dimensions in accordance with the substation size
Fundament betonowy

Metal foundation

 
Fundament metalowy

1 - Substation placement part — concrete or metal foundation

Placement of devices

MRw (2,35x1,6) 20/160 - final substation (simplified)
MRw (2,35x1,6) 20/160 - stacja końcowa (uproszczona)
2 Ventilation louvres - optional
3 Doors: solid or with ventilation louvres, IP 23D - standard, IP 43 or IP 55 - optional
4 Transformer
5 LV switchgear
5a AMI cabinet / telemetry / auxiliary
6 MV switchgear
6a MV compartment without the MV switchgear
MRw (2,7x1,8) 20/250-4
MRw (2,7x1,8) 20/250-4
MRw (2,9x2,6) 20/250-4
MRw (2,9x2,6) 20/250-4

Electrical diagram

Schemat elektryczny

The catalogue presents example substation configurations.

Optional equipment was marked in red on the electrical diagram.

Example configurations of substations with RXD type air insulated switchgears

Przykładowe konfiguracje stacji z rozdzielnicami w izolacji powietrznej typu RXD

Placement of devices

MRw configuration no.1 max. 1000 kVA
MRw konfiguracja nr 1 max. 1000 kVA
MRw configuration no.2 max. 1000 kVA
MRw konfiguracja nr 2 max. 1000 kVA
MRw configuration no.3 max. 1000 kVA
MRw konfiguracja nr 3 max. 1000 kVA
2 Ventilation louvres - optional
3 Doors: solid or with ventilation louvres IP 23D - standard, IP 43 or IP 55 - optional
4 Transformer
5 LV switchgear
5a AMI cabinet / telemetry / auxiliary
6 MV switchgear

Eletricel diagram

Przykładowe konfiguracje stacji z rozdzielnicami w izolacji powietrznej typu RXD - schemat elektryczny

The catalogue presents example substation configurations.

Optional equipment was marked in red on the electrical diagram..

Advantages of substations

Przykładowe konfiguracje stacji z rozdzielnicami w izolacji powietrznej typu RXD - zalety stacji

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