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

24

Accessories included in the supply 

General Instructions

ormaset 

Kiosk-type prefabricated transformer substation

12.  Accessories included in the supply

The following accessories are sent with 

ormaset

:

•  First aid sign.
•  Electrical warning sign.
•  Lever for actuating the medium voltage switchgear.
•  General Instructions document for the 

ormaset

 IG-049 

compact prefabricated transformer substation.

•  General instructions for the corresponding medium 

voltage cubicles system

[4]

.

•  General instructions for the distribution transformer 

unit 

[5]

.

•  General Instructions for the low voltage switchgear.

[4] IG-078 for medium voltage cubicles up to 24 kV for the 

cgmcosmos

 system and IG-136 for medium voltage cubicles up to 36 kV of 

Ormazabal

's

 

cgm

 .3 system. 

[5] IG-168 for transformers immersed in dielectric liquid, or IG-234 for transformers immersed in biodegradable natural dielectric liquid.

Summary of Contents for Ormazabal ormaset

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 27: ......

Page 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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