European Prefabricated Substation

Outdoor European prefabricated substations are widely used in urban power grid transformation, residential quarters, high-rise buildings, industrial and mining, hotels, shopping malls, airports, railways, oil fields, docks, highways and temporary

Electricity facilities and other indoor and outdoor places.

Normal use conditions:

●The altitude does not exceed 2000m;

●Ambient temperature: -25C ~+40C;

●Relative humidity: at 25C, the daily average value is not more than 95%, and the monthly average value is not more than 90%;

●Installation site: no fire, explosion hazard, conductive dust, chemical corrosive 0 (body and severe vibration places, if the above conditions are exceeded, the user can consult with our company.

Functions and features:

●High-voltage switchgear, distribution transformer, low-voltage switchgear, electric energy metering equipment and reactive power compensation device are combined according to a fixed plan, and the complete set is strong;

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

●It occupies a small area, saves investment, short production cycle and convenient movement;

●The wiring scheme is flexible and diverse;

●Unique structure: the unique honeycomb structure double-layer (composite board) shell is firm, heat-insulating, heat-dissipating and ventilating, beautiful, and high-level of protection. The shell materials are stainless steel alloy, aluminum alloy, cold-rolled plate, and color steel plate;

●Various types: general, villa, compact, etc.;

●The high-voltage ring network cabinet can be equipped with a network automation terminal (FTU) to realize the reliable detection of short-circuit and single-phase grounding faults, with the "four remote" function, which is convenient for the automatic upgrade of the distribution network

Transformer

Intelligent type--The low-loss, oil-immersed, fully-sealed S9, S10, S11 series transformers are used in the substations. Resin insulation or NOMEX paper insulation environmentally friendly dry-type transformers can also be used. The bottom can be equipped with a trolley, and the transformer can be conveniently In and out.

High pressure side

Intelligent type--High voltage of integrated substation-generally adopts load switch-fuse combination electrical protection, after the fuse-phase is blown, three-phase linkage trip, load switch has pressure test, vacuum, sulfur hexafluoride and other types optional, It can be equipped with an electric operating mechanism to realize automatic upgrade; the fuse is a high-voltage current-limiting fuse with a striker, which is reliable in action and has a large breaking capacity. The main technical parameters are shown in the following table. For transformers above 800kVA, vacuum circuit breakers such as ZN12, ZN28, VS1, etc. can be used for protection.

Low pressure side

The main switch on the low-voltage side adopts universal or intelligent circuit breaker for selective protection; the outlet switch adopts a new plastic case switch with small size and short arcing, up to 30 loops; intelligent automatic tracking reactive power compensation device with contactor Two switching methods, namely, contactless and non-contact, are available for users to choose from.

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