Catalog excerpts
Prefabricated Transformer Substations IEC 62271-202 Compact Prefabricated Transformer Substations miniBLOK and miniSUB Up to 36 kV
Open the catalog to page 1Prefabricated Transformer Substations Prefabricated transformer substations MB compact equipment assembly for transformer substations Compact prefabricated transformer substations miniBLOK kiosk-type compact prefabricated transformer substations miniSUB underground compact prefabricated transformer substations
Open the catalog to page 3The quality of the products designed, manufactured and installed by Ormazabal is backed by the implementation and certification of a quality management system, based on the international standard ISO 9001:2000. Our commitment to the environment is reaffirmed with the implementation and certification of an environmental management system as laid down in international standard ISO 14001. In view of the constant evolution in standards and design, the characteristics of the elements contained in this catalogue are subject to change without prior notification. These characteristics, as well as...
Open the catalog to page 4Prefabricated Transformer Substations PREFABRICATED TRANSFORMER SUBSTATIONS GENERAL INFORMATION A Prefabricated Transformer Substation is a product developed according to standards IEC / EN 62271-202*, and defined as: assembly subjected to standard tests, composed of an enclosure that includes one or more transformers, Low and Medium Voltage switchgear, connections and auxiliary equipment for supplying low voltage power in underground networks from a High/Medium Voltage network or vice-versa. Therefore, Prefabricated Transformer Substations are products, standard-built, tested and supplied...
Open the catalog to page 5ELECTRICAL EQUIPMENT Ormazabal's Prefabricated Transformer Substations are comprised of compact electrical equipment or components: • According to standard EN 50532*: “Compact Equipment Assembly for Distribution Substations”, compact electrical equipment is classified into type G, type A and type I Compact Equipment Assemblies. They differ in the type of connection, arrangement, proximity and/or insulating medium. • Prefabricated Transformer Substations constituted by components are those that are configured with switchgear that, complying individually with the current international...
Open the catalog to page 6Prefabricated Transformer Substations ORMAZABAL: COMMITMENT WITH SUSTAINABLE DEVELOPMENT Ormazabal is committed to sustainable development for improving its solutions. Sustainable development, as the best compromise between the satisfaction of social demands, the care for the environment and the economy. SOCIAL DEMANDS Ormazabal designs its products and offers its services in favour of: • Continuity of service through: · High electrical and mechanical characteristics. · Cubicles with regenerable insulation (gas) after Medium Voltage operations. · Admissible overloads in the transformer...
Open the catalog to page 7The most important aspects are: • Personal protection, both of operators and third parties, even in case of fault. · Verification with internal arc tests. · Installation of the earthing circuit. • Physical protection in transformer accesses with an enclosure (live parts not accessible, even in overload conditions). IEC T100ºC • Transformer Substations with reduced dimensions and, therefore, minimum quantity of dielectric liquid in the transformers: low thermal load. • Protection of the switchgear against external impacts, pollution, adverse weather, solar radiation, vandalism, etc., as it...
Open the catalog to page 8Prefabricated Transformer Substations CARE FOR THE ENVIRONMENT Ormazabal develops its products with a commitment for the environment. The environmental impact is minimised by: • • • • • • • Reduction of the volume of dielectric liquid. Minimum dimensions. Cubicle tanks sealed for life. Insignificant leakage rate. Reduced losses in the transformer. Low risk of insulator spillage on the public roads, with no harm to the environment. Recyclability. Use of improvement tools: · Ecodesign: design methodology where the environment is taken into account in the development process of industrial...
Open the catalog to page 9ECONOMY Ormazabal's products help reduce the economic impact by: • • • • Optimal use of raw material. Minimal occupation of surface. Longer life, endurance and robustness of the equipment. Equipment adaptable to the evolution of the network (remote-controllable). • Minimal civil work (integrated oil collection pit). • High mechanical and electrical endurance. • Reduction of energy loss. • Equipment durability. • Therefore: · Reduced lifecycle cost of equipment SUSTAINABLE DEVELOPMENT Sustainable development has evolved in the last decades according to social demands, the care for the...
Open the catalog to page 10Prefabricated Transformer Substations COMPACT EQUIPMENT ASSEMBLY FOR TRANSFORMER SUBSTATIONS PRESENTATION Ormazabal's MB is an associated type (A) compact equipment assembly, designed to be installed both in Prefabricated Transformer Substations and in buildings made for Transformer Substations, in public or private distribution networks up to 36 kV. The main advantage of these assemblies is their high safety and protection for both persons and property against internal faults, their IAC classification, as well as their robustness and reliability. Thanks to its manufacture, assembly,...
Open the catalog to page 11COMPOSITION The MB has the following maximum configuration: • Fully gas insulated Medium Voltage Switchgear: CGMCOSMOS-2LP up to 24 kV or CGM.3-2LP up to 36 kV. Electrical diagram (RMU) with 2 feeder functional units, input and output, and a protection functional unit with a switch-fuse combination. • Ormazabal protection, control and metering units (remote control, telemetering, integrated control, telemanagement, etc.). • Medium Voltage Distribution Transformer, 250, 400 or 630 kVA. • LV Switchgear: Low Voltage Board with 4 outputs, with control and protection unit, as well as an...
Open the catalog to page 12Prefabricated Transformer Substations COMPACT PREFABRICATED TRANSFORMER SUBSTATIONS KIOSK-TYPE COMPACT PREFABRICATED TRANSFORMER SUBSTATION PRESENTATION Ormazabal's miniBLOK is a kiosk-type Compact Prefabricated Transformer Substation, installed on the surface and externally operated, with reduced dimensions, standard-built, tested and supplied from the factory as a unit. It is characterised by incorporating an Ormazabal MB Medium Voltage associated type (A) compact equipment assembly, for use in both public and private distribution networks up to 36 kV. Its careful exterior design and...
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