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IG-049-EN version 02; 02/10/2017

4

Description and main characteristics

General Instructions

ormaset

Kiosk-type prefabricated transformer substation

1. Description and main characteristics

ormaset

is an

Ormazabal

transformer substation which

is prefabricated, compact, half-buried and with external

operation, designed in accordance with Standard IEC

62271-202 for use in public electrical distribution networks

of up to 36 kV.

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Содержание Ormazabal ormaset

Страница 1: ...LIB ormaset Kiosk type prefabricated transformer substation General Instructions IG 049 EN version 02 02 10 2017...

Страница 2: ...ectrical installations Personnel must be fully familiar with the instructions and warnings contained in this manual and in other recommendations of a more general nature which are applicable to the si...

Страница 3: ...transport 12 7 2 Sea transport 12 8 Storage 13 9 Installation 14 9 1 Receiving the equipment 14 9 2 Location 14 9 3 Planning 14 9 4 Preparing the ground 15 9 4 1 Excavation drawings 15 9 4 2 Safety r...

Страница 4: ...prefabricated transformer substation 1 Description and main characteristics ormaset is an Ormazabal transformer substation which is prefabricated compact half buried and with external operation design...

Страница 5: ...specifications Standard specification Description IEC 62271 1 Common specifications for high voltage switchgear standards IEC 62271 202 High voltage low voltage prefabricated transformer substations I...

Страница 6: ...4 2 Low voltage area and transformer 5 Ventilation grilles 5 1 Inlet grille 5 2 Outlet grille 6 Cable accesses 6 1 Pre punched holes measuring 150 mm in diameter for medium voltage cable input output...

Страница 7: ...nd anchored to the enclosure which can house the following elements Ormazabal s cgmcosmos 24 kV or cgm 3 36 kV medium voltage switchgear unit with full SF6 gas insulation allows maximum configurations...

Страница 8: ...os 2lp for 24 kV 3 2 2 Low voltage switchgear The low voltage area includes space for two AC4 and AM4 type switchboards specific for ormaset with four outputs per module 1 Insulated enclosure 2 Three...

Страница 9: ...lative humidity measured over a 24 hour period 95 Maximum mean relative humidity measured over a 1 month period 90 Maximum mean vapour pressure measured over a 24 hour period 2 2 kPa Maximum mean vapo...

Страница 10: ...age circuits kV up to 36 Number of phases 3 Rated frequency Hz 50 60 Rated power kVA up to 1000 Table 5 1 Electrical characteristics 5 2 Mechanical characteristics The dimensions and weights of ormase...

Страница 11: ...1 Crane rated power 2 Attach the four flat sling hooks to the ormaset DEHA couplings as shown in the figure Figure 6 1 Detail of proper coupling to ormaset 3 Place the end of the lifting beam with ho...

Страница 12: ...Detail of ormaset land transport 7 2 Sea transport Transport to the place of embarkation should be carried out using a truck maximum height of the platform 1 5 m using a flat rack open container The d...

Страница 13: ...ours or salt 6 The switchgear must be protected from the rain and the humidity conditions should be as follows a The mean relative humidity value measured over a period of 24 hours must not exceed 95...

Страница 14: ...sence of bangs or breakage especially at the connection points to other items or close to the DEHA couplings 3 The state of the paintwork checking for the absence of chipping scratches etc 4 Presence...

Страница 15: ...eginning to open carry out a preliminary study of the ground to know its stability and the possible existence of conduits Avoid accumulating excavated material and equipment next to the edge of the ex...

Страница 16: ...must then be carried out Sloping ground The excavation should be carried out in such a way that the base platform is on a hard area as shown in the figure In these cases it is recommended that rainwa...

Страница 17: ...w voltage cables 2 Access for medium voltage cables Figure 9 5 Detail of ormaset cable access in enclosure 9 6 Earth connection ormaset has two internal earthing circuits to facilitate the connection...

Страница 18: ...the earthing installation along with justification of its sizing Complementary Technical Instruction ITC RAT 13 on earthing installations of the Regulation on technical conditions and safety guarantee...

Страница 19: ...door by acting on the lock Figure 10 1 Right door opening 2 Release the bolts of the left hand door to open it Figure 10 2 Release the bolts of the left hand door 3 The doors have an interlocking sys...

Страница 20: ...ormaset enclosure The cables from the generator set should run to inside the ormaset prefabricated enclosure through the hole fitted for this purpose Proceed as follows to open the hole 1 Loosen the...

Страница 21: ...rd open When commissioning the transformer substation check the operating voltage from the low voltage side fuse holder bases Proceed as follows if this does not match the set value 1 Shut down the me...

Страница 22: ...tions specified in IEC 62271 1 throughout its estimated lifetime These mechanisms must be inspected when used under extreme conditions dust salt pollution It is advisable to carry out at least one ope...

Страница 23: ...electrical equipment switching the medium voltage switchgear unit to earthing position 8 Disconnect the medium voltage and low voltage cables as well as the earthing cables of the electrical equipment...

Страница 24: ...ctions document for the ormaset IG 049 compact prefabricated transformer substation General instructions for the corresponding medium voltage cubicles system 4 General instructions for the distributio...

Страница 25: ...sists essentially of materials which at the end of their life cycle are catalogued as Inert Industrial Waste In accordance with Ormazabal s commitment to the Environment endorsed by the ISO 14001 cert...

Страница 26: ...Notes General Instructions ormaset Kiosk type prefabricated transformer substation Notes IG 049 EN version 02 02 10 2017 26...

Страница 27: ......

Страница 28: ...Subject to change without prior notice For further information contact Ormazabal Ormazabal and C a IGORRE Spain www ormazabal com...

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