Product details

■Product Overview

It is widely used in urban power grid renovation, residential areas, high-rise buildings, industrial and mining facilities, hotels, shopping malls, airports, railways, oil fields, docks, highways, as well as temporary power facilities and other indoor and outdoor locations.

■Model meaning

■Product Features

High voltage switchgear, transformers, and low-voltage switchgear are integrated into one, with strong completeness:

Complete high and low voltage protection, safe and reliable operation, and simple maintenance;

Small footprint, low investment, short production cycle, and convenient mobility:

Flexible and diverse wiring schemes:

Unique structure: The unique honeycomb structure double-layer (composite plate) shell is firm, insulated, ventilated, beautiful, and has a high level of protection. The shell materials include stainless steel alloy, aluminum alloy, cold-rolled plate, and color steel plate to choose from:

Diverse styles: universal, villa, compact, and other styles;

The high-voltage ring main unit can be equipped with a network automation terminal (FTU) to achieve reliable detection of short circuits and single-phase grounding faults, with the "four remote" function, making it easy to upgrade the distribution network automation.

■ Working conditions

Altitude not exceeding 1000m;

Environmental temperature: -25 ℃~+40 ℃;

Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%

Installation location: A place without fire, explosion hazards, conductive dust, corrosive chemical gases, and severe vibrations. If the above conditions are exceeded, users can negotiate with our company.

■Transformer

Prefabricated substations use low loss, oil immersed, fully sealed S9, S10, S11 series transformers, or environmentally friendly dry-type transformers with resin insulation or NOMEX paper insulation. The bottom can be equipped with a trolley, and the transformer can be easily accessed.

■High-voltage side

Pre installed substations generally use a combination of load switches and fuses for high voltage protection. After one phase of the fuse is blown, the three phases are interlocked and tripped. Load switches are available in compressed air, vacuum, sulfur hexafluoride and other types, and can be equipped with electric operating mechanisms to achieve automation upgrades; The fuse is a high-voltage current limiting fuse with an impactor, which operates reliably and has a large breaking capacity. The main technical parameters are shown in the table below. For transformers above 800kVA, vacuum circuit breakers such as OCE4, OCE2, and OCE1 can be used for protection.