03 - 2002 UniCont Mobile or Transportable Prefabricated ......A B B T & D S. p. A.-P a g e 5 UniSystem BEU type SF6 gas-insulated MV switchboards Air-insulated type MV switchboards

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UniCont Mobile or Transportable Prefabricated Substation

03 - 2002

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2UniCont - Mobile Prefabricated Medium and Low Voltage Substation

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� The Mobile substations are completely independent units, which can be installed outside, and are suitable for temporary replacement oftransformers substations, medium voltage switchboards, etc.

UniCont - Mobile Prefabricated Medium and Low Voltage Substation

� No special building works are required. The surface ground must be sufficiently flat and must be capable of supporting not less than 1kg/cm2 (agricultural land). They can be transported by road using normal vehicles without a police escort or allowances.

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� They can be fitted with an independent lifting system, consisting in four jacks with oleodynamic cylinders, which allows the means of transportation to be inserted under the cab without the help of a crane


� Testing is carried out entirely in the factory. Only the works for connection to the network are required on the installation site.

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� UniSystem BEU type SF6 gas-insulated MV switchboards� Air-insulated type MV switchboards� Low voltage switchboard for auxiliary services in a.c. and d.c.� Control and protection equipment� Accumulator batteries� Rectifiers� Remote control system

� Emergency replacement of MV switchboards� Temporary replacement of MV section

of primary substation undergoing restructuring� Temporary supply of MV users in case of natural disasters� Seasonal installation for additional power� Temporary installation in areas undergoing development

Apparatus whichcan be installed

Mainapplications


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Open type mobile substation Closed type mobile substation


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� The back to back BEU concept allows to design truck transportable units (no special allowances)

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� Rear view of BEU3 back to back (during installation)

� Exaust rupture flaps

� Gas exaust channel

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� Foundation view of BEU3 back to back (during installation)

� Openings for MV cables

� Openings for LV cables

� Reduced height supporting frame

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� The back to back BEU concept has been applied to the new GIS BEU21

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� Door closed

� Door opened

� Volume for switchboard

� BEU21 back to back solution - space needed

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� Closed version mobile substation - layout

� MV room� MV/LV trafo� Hydrolic control station

� Battery room

� Lavatory

� LV room

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� Closed version mobile substation - side view

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� Closed version mobile substation - side view

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� Closed version mobile substation - LV room

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� Closed version mobile substation - LV room

� Special execution of protection relay installed on withdrawable support for easy maintanance and connecting

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� Closed version mobile substation - Lavatory room

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� Closed version mobile substation

� MV/LV resin cast transformer

� Hydraulic control station

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� Opened version mobile substation - layout

� MV room� MV/LV trafo� Hydrolic control station

� LV room

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� Opened version mobile substation - section/side view

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� Opened version mobile substation - top view

� Gas exaust flaps

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� Opened version mobile substation - section/side view

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� Some technical details common to any mobile substation (closed or opened)

� The plugable ”pulsantiera” to operate pistons for lifting

� Up-down buttom to operate all the pistons altogether

� Up-down bottoms to operate each piston

� Connection plug

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� Push bottoms to open/close the door

� For closed type substation for safety reason the same Control box is plugable and not fixed

� Control box with� on/off switch� open bottom� close bottom

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� The marshalling box

� Cables may be supplied on multiple-groove coils already plugged

� Pre-wired internal connections to all apparatuses and boards

� Sockets may be labelled for easy and idiot proof installation

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� Cable ducting

� Foto refers to a closed type substation

� If required the LV cables can be ducted

� Clean and stark solution

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� Diesel AC generator

� When the a.c. supply is not available during installation an indipendent AC diesel Generator can be integrated in the mobile substation

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� Earthing points

� Safe earthing points are available to make inner and outer apparatuses equipotential

� In the foto is visible the ISO corner block for locking of the cointaer on truck by mean of ISO twist locks

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� Ladders and fences (continued)

� Retractable ladders may be used (specially for opened type substation)

� In any case handles are provided for safety reasons

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� Ladders and fences

� Hinged fence are used for safe operation on LV and MV switchboard

� Not needed in case of closed type substations

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� Ladders

� For closed type substations the ladders are fixed

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� Special requirements (for instance: rain protection)

� Special curtains and roof have been designed to be extended to protect the operator from bad weather conditions)

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� MV cables outlets (continued)

� For each MV panels a double hinged aluminium door is used to MV cable access

� The Al plate can be easily drilled according to the needs

� Ring CTs are kept inside the cointainer’s base

� Labels are provided for an easy identification of the panel to operate on

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� MV cables outlets � Special withdrawable cable box can be fitted in the container’s base

� During transport the boxes are kept in the inner position

� Ring CTs are fixed inside the boxes

� During installation the boxes are released from the inner position and they are lowered in the Service position (see photo)

� The bottom of the boxes has the double hinged doors solution already shown

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� Supporting columns

� 5 mm step heigh regulation with padlocking facility

� Twist lock mechanism to close in ISO corner box

� Large base to optimize charge distribution on the ground

� Coloured stripes for warning purpose in case of inproper use

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� Loose materials

� Resting plates to be placed under the lifting piston jacks to distribute load charge on ground during container’s loading and unloading operations

� Supporting columns

� Coil holder truck (if requested)

� Multi-groove coils for LV and MV cables (if requested)

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Documents

03 - 2002 UniCont Mobile or Transportable Prefabricated ......A B B T & D S. p. A.-P a g e 5 UniSystem BEU type SF6 gas-insulated MV switchboards Air-insulated type MV switchboards