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Kiosk Substations

References

 

Kiosk substations are the state-of-the-art types of substations. All the technology inside them is set in a prefabricated - usually concrete or plate kiosk. The substations can be constructed with an inner or outer operation. Transformers, hv and lv technologies are accessible from outside through a door. Kiosk substations are usually connected to a cable line; from the outdoor line they can be connected with a cable drop.

EEIKA Brno, s.r.o. has developed its own system of mobile overground substations that meets the highest criteria. PET® substations can be used for 22 kV, 35 kV networks as well as for others. They are supplied in both distribution and consumer versions.

The PET® system is a very variable one. It can be set with the technological equipment of all prestigious marks as well as with the equipment supplied directly by the company EEIKA Brno, s.r.o., according to the needs of the substation keeper.

The building part of the compact PET® MINI substations consists of a compact reinforced concrete kiosk (made through a bell casting method) and a profiled roof panel.

The other types of substations consist of two basic parts - an overground scaffold and an underground base pit.
The underground base pit serves as a structural base and creates the cable area. At the same time, it has the function of a retaining pit for the case of oil leakage during a transformer breakdown. It is made from reinforced concrete through a bell casting method.
The smaller substations feature an overground self-supporting scaffold, made through a bell casting method. The panel thickness is 110 mm. The bigger substations (4,500 mm and longer) feature four peripheral armoured panels, a roof and a floor panel and partition walls according to the substation inner organization. The panel thickness is 80 or 100 mm according to the substation type.

The substation can be equipped with a lean, hip or saddle roof; the outer appearance can be adjusted to fit the environment.

According to the range of the technological equipment, the size and the inner organization of the substation is chosen in the project. The smallest substations for the capacity up to 630 kVA have the ground plan of 3500 x 2500 mm. With the help of the PET® SESTAVA modular system, substations of any extent can be done through grouping individual modules for supplying objects with a high consumption of energy and for structured networks.

From the fire-protection point of view, the substation is projected as one fire segment. Its walls and the ceiling has the fire resistance of 90 minutes, doors and air holes are classified as fire-open areas.

The distribution version of PET® substations are able to supply networks with various energy demandingness and structure. By default, they are used in networks of distribution companies in the Czech Republic. Consumer substations supply industrial zones, company premises, shopping centers, sport areas, hotels, petrol stations and other objects.

The PET® system offers a great amount of advantages - in particular the quickness of construction, investment and operational costs but also safety, environmental and aesthetical substation parameters. A kiosk substation can be erected on the intended place within a couple of days after the construction initiation (moreover, the dry construction enables works in the winter period as well).

 

Construction

EEIKA Brno, s.r.o. supplies kiosk substations "for immediate entry".

The first step is the consultancy regarding the type of the substation according to the intended use, followed by the project documentation, support or representation in the building proceedings and construction of the substation itself.

From the building point of view, the advantage of the kiosk technology is a very short building time at the place of operation – within days. The construction is done in a dry way – thus it can be executed in the winter period as well.

The substation is equipped with the technology in the assembly room. Then it is transported to the place by means of the usual road transport and it is located with one or two days, and connected after a revision.

 

PET® MINI

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PET® MINI are semi-imbedded mono-transformer substations with the maximum installed capacity of 630 kVA. Their dimension is 3000 x 2600 x 1730 mm. By default, they are used in the 22 kV network.

In the distribution version, substations PET® MINI enable to supply a commonly structured section of a distribution network. The substation can be used as a substitution for a column substation.

Types:

PET® MINI 400d

Types:

PET® MINI 300o

PET® MINI 350o

PET® MINI 400o

 

In the supply version, the substations are intended for power extraction from smaller sources and for their connection to the 22 kV network.

Types:

PET® MINI 210v

PET® MINI 300v

PET® MINI 350v

PET® MINI 400v

 

PET® STANDARD

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PET® STANDARD are mono-transformer substations with the maximum installed capacity of 630 kVA. Their dimension is 3500 - 5500 x 2600 x 2530 mm according to the type. By default, they are used in the 22 kV network; with a modification they can be used in 35 kV networks and others as well.

In the distribution version, substations PET® STANDARD enable to supply a commonly structured section of a distribution network. The smallest type is often used during reconstructions as a modern substitution for a column substation.
Bigger types of these substations enable to set up independent rooms accessible from outside for the consumption lv distributor to supply a private consumer.
The inner organization of the substation has usually two rooms – the transformer cell and the common hv and lv room. The range of the hv and lv technology determines the particular type.

Types:

PET® STANDARD 350d

PET® STANDARD 400d

PET® STANDARD 450d

PET® STANDARD 500d

PET® STANDARD 550d

 

In the consumer version, substations PET® STANDARD enable to supply smaller and intermediate industrial zones, service trades objects, and company premises not requiring too much energy.
The inner organization of the substation has usually three rooms – the transformer cell, hv and lv rooms. The range of the hv and lv technology determines the particular type.

Types:

PET® STANDARD 350o

PET® STANDARD 400o

PET® STANDARD 450o

PET® STANDARD 500o

PET® STANDARD 550o


In the supply version, they are intended for power extraction from power sources up to 630 kVA and their connection to the distributor network.

Types:

PET® STANDARD 350v

PET® STANDARD 400v

PET® STANDARD 450v

PET® STANDARD 500v

PET® STANDARD 550v

 

PET® MAXI

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PET® MAXI are double-transformer substations with the maximum installed capacity of 2000 kVA. Their dimension is 6000 - 7500 x 2600 - 3000 x 2530 mm according to the particular type. By default they are used in the 22 kV network, with a modification they can be used in 35 kV networks and others as well.

Distribution substations PET® MAXI d are double-transformer substations the maximum installed capacity of 1260 kVA. Their technology enables to supply larger, considerably structured distribution networks.
Bigger types of these substations enable to set up independent rooms accessible from outside for the consumption lv distributor to supply a private consumer.
The inner organization of the substation has usually three rooms – two transformer cells and a common hv and lv room. The range of the hv and lv technology determines the particular type.

Types:

PET® MAXI 503d

PET® MAXI 553d

PET® MAXI 600d

PET® MAXI 603d

PET® MAXI 650d

PET® MAXI 700d

PET® MAXI 750d

 

Consumer substations PET® MAXI o are double-transformer substations with maximum installed capacity of 2000 kVA. Their are suitable for supplying intermediate and larger industrial plants, service trades object and business premises with a big energy demandingness.
The inner organization has usually four rooms (two transformer cells, vn and nn rooms). The range of the hv and lv technology determines the particular type.
The substation enables commercial measuring on the hv and lv side according to the technological equipment used and according to the requirements of the appropriate distribution plant.

Types:

PET® MAXI 503o

PET® MAXI 553o

PET® MAXI 600o

PET® MAXI 603o

PET® MAXI 650o

PET® MAXI 700o

PET® MAXI 750o

 

In the supply version, the double-transformer substations intended for power extraction from power sources up to 2000 kVA and their connection to the distribution network.

They can be connected to the ground cable and disengaged line. The inner organization has usually four rooms (two transformer cells, vn and nn rooms). The range of the hv and lv technology determines the particular type.

Types:

PET® MAXI 503v

PET® MAXI 553v

PET® MAXI 600v

PET® MAXI 603v

PET® MAXI 650v

PET® MAXI 700v

PET® MAXI 750v

 

PET® SESTAVA

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The kiosk system PET® SESTAVA enables to build large substations for supplying objects with a big energy demandingness or extensive structured sections of the 22 kV distribution network, with a modification 35 kV networks and others.

For example, they can supply industrial zones with both the distribution and consumer outlets.
Substations PET® SESTAVA can be equipped with any amount of technology and they can have any installed capacity reached by connecting several transformers up to the capacity of 1000 kVA.

The building part of substations PET® SESTAVA consists of several standard PET® kiosks.Their number and size is designed directly according to technology planned. The base pit follows the ground plan of the substation and it is monolithed from the appropriate number of parts. A concrete supporting base plate is made under the whole platform of the substation so that its foot is homogenous and latter impacts of its movement are eliminated.

The inner organization of PET® SESTAVA substations is variable – it complies with the technological equipment planned.

 

Service + revision

Kiosk substations do not require any maintenance. Their technology is protected inside a concrete kiosk against weather and other impacts. In spite of this fact, EEIKA Brno, s.r.o. recommends and makes regular service inspections.

A regular service inspection consists of a visual check of the substation focused mainly on its building-technical condition, the condition of technology, oil leakage, contamination etc. Possible found faults are removed immediately or appropriate major repair is arranged.

EEIKA Brno, s.r.o. recommends regular service inspections once in a year

According to the ČSN 33 15 00 Standard, EEIKA Brno, s.r.o. makes the initial revision for each newly built substation. The same standard requires an interval of 5 years for the periodical revision of kiosk substations. EEIKA Brno, s.r.o. makes periodical revisions for all types of kiosk substations.

The result of a revision is a revision report and a protocol on acts made with test certificates enclosed (measuring, oil tests etc.).

 

Repairs

EEIKA Brno, s.r.o. makes repairs of all types of kiosk substations, from the diagnostics, through repairs up to the new putting in operation.

A standard repair is made, if it is possible to provide a supply from another source. The service team diagnoses the fault. They remove the constructional and minor technological faults at place; considerably damaged technological equipment is transported for a workshop repair that will be made in the premises of EEIKA Brno, s.r.o.

 

Emergency repair with a replacement

An emergency repair with a replacement is suitable upon technological equipment faults – mainly if it is necessary to restore the energy supply immediately.

The damaged equipment is replaced immediately with a new one with appropriate parameters and the energy supply is restored.

The equipment is repaired in a workshop and either installed back or the company EEIKA Brno, s.r.o. buys it with a contra value.

 

 

 

 

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