PST-b 20/630

Technical parameters, electrical diagram, downloads, a description of the type of container transformer station PST-b 20/630 production ZPUE S.A.

{tab Characteristics}

In case the “conventional, on-ground” station cannot be placed owing to architectural limitations, the only solution is underground stations. The underground transformer station is a leakproof, monolithic concrete container adapted to be placed under the ground, with medium and low voltage switchgears installed inside. MV (TPM, Rotoblok SF) and LV (RN-W) switchgears are independent elements of the station. The station can be installed on the pavement, square, etc.
Bilges between two floors allow for proper functioning even when surface rain water leaks through the ventilation holes. Water-proof cable glands and tight concrete housing ensure reliable and long-term work of the station.

Station type PST-b 20/630

General view of the station type PST-b 20/630
General view of the station type PST-b 20/630
Top view of the station type PST-b 20/630
Top view of the station type PST-b 20/630

Diagram of the standard station type PST-b 20/630

Schemat standardowej stacji typu PST-b 20/630

Notice:

  1. Optional station equipment is marked in red. oznaczono wyposażenie opcjonalne stacji. More information about the selection of switchgears and their equipment can be found in categories of switchgears LV i MV.
  2. Station can be designed in mirror version.

Configuration options

  Type MV bay number
(LV feeders)
MV switchgear TPM up to 4
LV switchgear RN-W up to 12
Transformer power up to 630 kVA
Housing class - 20

Weight

main body: 25 000 kg
usable area: 12,32 m2

Station type PST-bS 20/630+800+1000-9. Special version.

Stacja typu PST-bS 20/630+800+1000-9. Wykonanie specjalne.
images/produkty/kst/kst_pst/pst-b_20-630_wykonanie_specjalne_rzut.jpg

Localization of the station due to fire safety requirements

The mounting area of the station should be chosen in accordance with the regulation of the Minister of Infrastructure of 12 April 2002, with regard to the technical requirements of buildings localization (Journal of Laws of 15 June 2002, No 75, item 690, with later changes) or local regulations.
Individual cases of localization/placing of the station should be considered on an individual basis and consulted with ZPUE S.A. or with other authorized services (opinion given by fire protection officer).

{tab Station construction} {tab MV and HV cable glands}

MV AND LV CABLE GLANDS (manufactured by ZPUE S. A.)

View and dimensions of the medium voltage duct
View and dimensions of the medium voltage duct
View and dimensions of the low voltage duct
View and dimensions of the low voltage duct
 
Installation
Installation

 

OTHER SEALING SYSTEMS – GPK type cable glands

View and dimensions of the medium voltage duct (GPK – 125)

View and dimensions of the medium voltage duct (GPK – 125)
View and dimensions of the medium voltage duct (GPK – 125)
View and dimensions of the medium voltage duct (GPK – 125)
YHAKXS cable d [mm]
1x70 [mm2] 3x31,9
1x120 [mm2] 3x34,8
1x240 [mm2] 3x39,8

View and dimensions of the low voltage duct (GPK- 110)

View and dimensions of the low voltage duct (GPK- 110)
View and dimensions of the low voltage duct (GPK- 110)
View and dimensions of the low voltage duct (GPK- 110)
YAKY cable d [mm]
4x70 [mm2] 1x29,8
4x120 [mm2] 1x36,1
4x240 [mm2] 1x56,2

 

OTHER SEALING SYSTEMS – SDF 100 type cable glands

SDF 100 duct
przepust sdf
HSD 100 packing ring
przepust sdf wklad
HSD 100 packing ring is designed for the installa-tion of cables with the outside diameter from 18mm up to 65 mm.
przepust sdf widok
przepust sdf widok wklad

Notice:
It is possible to use other sealing systems.

{tab Transport}

TRANSPORT

ZPUE S.A., as one of few companies that manu-factures prefabricated container stations, has its own fleet. Transport services provided by the company are aimed to lower the costs of trans-porting ZPUE S.A. devices and to improve the quality of customer service. We offer a transport set with a total permissible weight of 70 tonnes, which can transport even 50 tonnes of load. We have the latest generation of vehicles with Euro 6 exhaust emission (a norm of limiting exhaust emission by new vehicles sold in the European Union).

Flota ZPUE

EXAMPLE OF THE TRANSFORMER STATION TRANSPORT

Przykład transportu stacji transformatorowej produkcji ZPUE

{tab Placing station}

PLACING STATION

Trench excavation is the first step in placing the station. External grounding of the station should be made in the trench. It is recom-mended that it should be made in the form of a grounding outer ring or other method, in accordance with local requirements in terms of grounding electrical power devices.
Under the foundation, sand and gravel ballast should be used and be at least 20 cm in final thickness (after compacting). The thickness of the sand and gravel base must be adapted to local soil-water conditions and the frost zone. The sand and gravel ballast area must be leveled for the station, and the quality of grounding prepared should be confirmed by the certificate of final acceptance.
In the prepared place, the following should be mounted successively: the foundation of the station, transformer (from the top of the station, setting it on rails), and finally the roof. Cover the foundation gradually with a concentrated 20cm layer of filter ground. Particular attention should be paid while covering the trench near the foundation’s wall to not damage the waterproofing of the vertical surfaces. The place where the cables enter to the glands should be carefully covered, because mechanical compacting can cause damage to these elements.
The foundation’s walls with the insulation against the moisture should extend no less than 10 cm above the finished area.
Placing on difficult and complicated ground and water conditions, and in mining and post-mining areas should be performed after drawing up of an individual project. It should be done by an authorized engineering- geological designer, under qualified construc-tion supervision.

EXAMPLE PLACING OF THE STATION

 

posadowienie stacji z obsluga zewnetrzna

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Underground transformer station type PST-b 20/630

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