Box-Type Substation
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YB-40.5/12 Prefabricated Substation
This prefabricated substation is a complete outdoor equipment set designed for primary voltage of 40.5 kV and secondary voltage of 12 kV (7.2 kV), operating on three-phase AC at 50 Hz. It is widely used in urban areas, townships, factories, oilfields, and other similar locations, as well as in large-scale construction sites, where it serves to receive, transform, and distribute electrical power. It features compact overall design, small footprint, convenient installation and operation, low cost, high degree of integrated automation, and reliable and safe operation.
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YBM22-12/0.4 Outdoor Prefabricated Substation
The YBM22 series prefabricated substations integrate high-voltage switchgear, transformers, low-voltage switchgear, and other equipment into a compact, complete distribution unit. They are designed for use in urban high-rise buildings, urban-rural complexes, residential communities, high-tech development zones, small and medium-sized factories, mines, oilfields, and temporary construction sites—serving as devices for receiving and distributing electrical energy within power distribution systems. This product features strong integration, compact size, a streamlined structure, safe and reliable operation, convenient maintenance, and mobility. Compared to conventional civil-engineering substations, a packaged substation of the same capacity typically occupies only 1/10 to 1/5 of the land area required by a conventional substation, significantly reducing design and construction workload as well as capital expenditure. In power distribution systems, these substations can be used in ring network configurations or in dual-power or radial-terminal distribution systems. They represent a new type of complete equipment for both new construction and renovation of substations in urban and rural areas. The YBM22 series prefabricated substations comply with the national standard GB/T17467-1998, "High-Voltage/Low-Voltage Prefabricated Substations."
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YB27-12/0.4 Prefabricated Substation
The YB27-12/0.4 prefabricated substation is a domestically produced American-style packaged substation. As an essential power supply unit in cable-based distribution networks, this product is a complete, pre-assembled unit integrating high-voltage control, protection, transformer, and distribution equipment. It is widely used in both urban and rural distribution networks. The product houses high-voltage load switches and high-voltage fuses in transformer oil, and comes in two structural configurations: either with the high-voltage components housed in the same enclosure as the transformer body, or in a separate enclosure.
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DFW High-Voltage Cable Branch Box (European Style)
The European-style cable distribution box is a piece of equipment that has been widely used in recent years for cable-based projects in power distribution networks. Its main features include bi-directional doors and the use of insulated bushings as busbar connections. It boasts significant advantages such as compact size, clear cable arrangement, and the ability to avoid large-span crossings for three-core cables. Typically, it employs bolted connection cable joints rated for 630A, enabling it to provide satisfactory technical solutions tailored to a wide range of user requirements. This product is extensively applicable to 10kV cable distribution networks—including ring-main distribution systems—in urban industrial parks, residential communities, commercial centers, mining areas, and large enterprises in industries such as steel, automotive, petroleum, chemical, and cement, as well as other similar settings. It represents an ideal choice for upgrading urban power grids.
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