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Summary of Contents for Velatia Ormazabal ormaset
- Page 1 ormaset Kiosk-type prefabricated transformer substation General Instructions IG-049-EN, version 02, 02/10/2017...
- Page 2 CAUTION! When medium-voltage equipment is operating, certain components are live, other parts may be in movement and some may reach high temperatures. Therefore, the use of this equipment poses electrical, mechanical and thermal risks. In order to ensure an acceptable level of protection for people and property, and in compliance with applicable environmental recommendations, Ormazabal designs and manufactures its products according to the principle of integrated safety, based on the following criteria: •...
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Page 3: Table Of Contents
General Instructions ormaset Kiosk-type prefabricated transformer substation Table of contents 1. Description and main characteristics .......4 10. Operations sequence ..........19 10.1. Opening and closing the access doors ..19 2. Applicable standards ..........5 10.2. Connecting the generator set before zero switching . -
Page 4: Description And Main Characteristics
General Instructions Description and main characteristics ormaset Kiosk-type prefabricated transformer substation 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. -
Page 5: Applicable Standards
General Instructions Applicable standards ormaset Kiosk-type prefabricated transformer substation Applicable standards ormaset meets the following standards and specifications: Rules and specifications Standard / Description specification IEC 62271-1 Common specifications for high voltage switchgear standards. IEC 62271-202 High voltage/low voltage prefabricated transformer substations. IEC 60076 Power transformers IEC 61439-1... -
Page 6: Main Components
General Instructions Main components ormaset Kiosk-type prefabricated transformer substation Main components The ormaset transformer substation comprises the following main components: • Prefabricated concrete enclosure. • Electrical equipment 3.1. Prefabricated monoblock concrete enclosure The prefabricated enclosure is made up of the following elements: Enclosure Removable roof... -
Page 7: Electrical Equipment
General Instructions Main components ormaset Kiosk-type prefabricated transformer substation The ormaset enclosure consists of a concrete body with independent accesses with double-leaf metallic doors, access doors and metallic ventilations. It has three separate which in their open positions are set at 90º or 180º. compartments used for housing the following electrical The four-slope arrangement of the roof prevents water equipment:... -
Page 8: Medium Voltage Switchgear
General Instructions Main components ormaset Kiosk-type prefabricated transformer substation 3.2.1. Medium voltage switchgear ormaset can house medium voltage functions of Ormazabal's cgmcosmos (24 kV) or cgm.3 (36 kV) systems with SF gas insulation. The medium voltage unit is comprised of the following independent compartments: tank Driving mechanism compartment... -
Page 9: Normal Service Conditions
General Instructions Normal service conditions ormaset Kiosk-type prefabricated transformer substation Normal service conditions ormaset is designed to operate under normal service conditions in accordance with Standard IEC 62271-1: Installation Outdoor Maximum environmental temperature + 40 ºC Minimum environmental temperature - 10 ºC Maximum mean environmental temperature, measured over a 24-hour period + 35 ºC Maximum mean relative humidity, measured over a 24-hour period... -
Page 10: Assigned Ratings
General Instructions Assigned ratings ormaset Kiosk-type prefabricated transformer substation Assigned ratings 5.1. Electrical characteristics Electrical characteristics Rated voltage of medium voltage circuits up to 36 Number of phases Rated frequency 50/60 Rated power up to 1000 Table 5.1. Electrical characteristics 5.2. -
Page 11: Handling
General Instructions Handling ormaset Kiosk-type prefabricated transformer substation Handling 6.1. Handling ormaset For correct handing of ormaset, you must ensure the 3. Place the end of the lifting beam with holes on the side following materials are available: of the air inlet grille. 4. -
Page 12: Transport
General Instructions Transport ormaset Kiosk-type prefabricated transformer substation Transport 7.1. Land transport Transport of ormaset should be carried out using a truck (maximum height of the platform: 1.5 m), following the sequence below: 1. Position the ormaset on four boards measuring 2000 x 150 x 20 mm, distributed evenly throughout the width of the truck. -
Page 13: Storage
General Instructions Storage ormaset Kiosk-type prefabricated transformer substation Storage Storage of ormaset must be carried out so as to avoid any Any other conditions must be notified beforehand, rainfall or sunlight falling directly on the internal electrical since the equipment must be factory-adjusted to the equipment. -
Page 14: Installation
General Instructions Installation ormaset Kiosk-type prefabricated transformer substation Installation When installing the ormaset at its location, it is essential The site should be visited in advance to check if to follow current legislation on installations and electrical vehicles can have access and if there is adequate networks, laws on occupational safety, local regulations and space unloading... -
Page 15: Preparing The Ground
General Instructions Installation ormaset Kiosk-type prefabricated transformer substation 9.4. Preparing the ground 9.4.1. Excavation drawings For the installation of ormaset, an excavation is required with the dimensions recommended in the following table: Please enquire if installing on slopes Excavation dimensions [mm] Length 5675 Dimensions in mm. -
Page 16: Levelling Process
General Instructions Installation ormaset Kiosk-type prefabricated transformer substation 9.4.3. Levelling process In order to properly install the ormaset enclosure, it is Ground with a high water table important to take ground levelling into account, since this decisively affects the stability of the equipment. In those cases where the water table is above the location of the ormaset foundation plate, proceed as indicated in The following tools must be used for carrying out the... -
Page 17: Access Point For Medium Voltage And Low
General Instructions Installation ormaset Kiosk-type prefabricated transformer substation 9.5. Access point for medium voltage and low voltage cables ormaset has holes pre-punched for the medium voltage 2. Seal the used holes to prevent water from entering and low voltage cables and the external earthing circuit. using any type of quality flexible sealant. -
Page 18: Operational Earthing Circuit (Neutral)
General Instructions Installation ormaset Kiosk-type prefabricated transformer substation 9.6.2. Operational earthing circuit (neutral) The operational earthing circuit (neutral) connects the neutral busbar of the low voltage distribution board to the operational earthing switch box, which is located to the left of the low voltage access door. -
Page 19: Operations Sequence
General Instructions Operations sequence ormaset Kiosk-type prefabricated transformer substation 10. Operations sequence 10.1. Opening and closing the access doors 3. The doors have an interlocking system at 90º and Proceed as follows to open the access doors in both the medium voltage and the low voltage area and transformer: 180º. -
Page 20: Connecting The Generator Set Before Zero
General Instructions Operations sequence ormaset Kiosk-type prefabricated transformer substation 10.2. Connecting the generator set before zero switching ormaset has an auxiliary input measuring 140 mm in 2. Loosen the wing nut and the clamp. Set aside both diameter that allows for a low voltage auxiliary supply. parts. -
Page 21: Commissioning
General Instructions Operations sequence ormaset Kiosk-type prefabricated transformer substation 10.3. Commissioning First check that the primary voltage (medium voltage) of the distribution transformer is suitable for the installation project. This information is printed on the distribution transformer name plate and in the test protocol. Before commissioning transformer... -
Page 22: Maintenance
General Instructions Maintenance ormaset Kiosk-type prefabricated transformer substation 11. Maintenance The prefabricated enclosure does not require any guidelines for the medium voltage switchgear units, the maintenance. Depending on the circumstances, the lock low voltage switchgear and the distribution transformer in may need looking at and greasing. - Page 23 General Instructions Maintenance ormaset Kiosk-type prefabricated transformer substation 4. Remove the four protective caps from the threaded 11. In order to re-commission the ormaset transformer inserts of the roof. substation, the above procedures must be carried out in reverse order. 5.
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Page 24: Accessories Included In The Supply
General Instructions Accessories included in the supply 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. •... -
Page 25: Environmental Information
General Instructions Environmental information ormaset Kiosk-type prefabricated transformer substation 13. Environmental information 13.1. Recyclability Ormazabal's ormaset consists 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 certificate for its Environmental Management System, inert industrial waste generated at the end of its useful life must be, for the main... - Page 26 General Instructions Notes ormaset Kiosk-type prefabricated transformer substation Notes IG-049-EN version 02; 02/10/2017...
- Page 28 Ormazabal and Cía. Subject to change without prior notice. For further information, IGORRE contact Ormazabal. Spain www.ormazabal.com...
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