YB □ -12/0.4 High/Low Voltage Pre-assembled Substation
Short Description:
OverviewIt 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.Normal usage condi …
Product details
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.
Normal usage conditions
◇ Altitude not exceeding 1000m;
◇ Ambient temperature: -25℃ ~+40℃;
◇ Relative humidity: The daily average value should not exceed 95%, and the monthly average value should not exceed 90%;
◇ Installation location: Locations free from fire and explosion hazards, conductive dust, chemically corrosive gases, and severe vibrations. If the above conditions are not met, users may consult with our company.
Function and Features
◇ The high-voltage switchgear, transformer, and low-voltage switchgear are integrated into a trinity, with strong completeness;
◇ With perfect high and low voltage protection, it operates safely and reliably, and is easy to maintain;
◇ Small footprint, low investment, short production cycle, and easy to move;
◇ Flexible and diverse wiring schemes;
◇ Structure: Honeycomb-style double-layer (composite panel) structure, with a sturdy shell that provides both thermal insulation and ventilation for heat dissipation, while also being aesthetically pleasing and offering high levels of protection. The shell materials include stainless steel, titanium alloy, aluminum alloy, cold-rolled steel, and color steel plates for selection;
◇ Diverse types: general-purpose, villa-style, compact, and other styles;
◇ The high-voltage ring main unit can be equipped with a feeder terminal unit (FTU) to achieve reliable detection of short circuits and single-phase grounding faults, and it possesses the "four remotes" function, facilitating the upgrade of distribution network automation.
transformer
Intelligent integrated substations utilize low-loss, oil-immersed, fully enclosed S9, S10, and S11 series transformers. Alternatively, they can opt for resin-insulated or NOMEX paper-insulated eco-friendly dry-type transformers. The bottom can be equipped with a trolley, allowing for easy access and movement of the transformer.
high-voltage side
Intelligent integrated substations typically adopt load switch-fuse combination electrical protection for high voltage. After one phase of the fuse is blown, the three phases will trip in unison. Load switches are available in various types such as puffer, vacuum, and sulfur hexafluoride, and can be equipped with electric operating mechanisms to achieve automation upgrades. The fuse is a high-voltage current-limiting fuse with an impactor, ensuring reliable operation and high breaking capacity. For transformers above 800kVA, vacuum circuit breakers such as QCE4, QCE2, and QCE1 can be selected for protection.
low-pressure side
The main switch on the low-voltage side adopts a universal or intelligent circuit breaker for selective protection; the outgoing switch adopts a new molded case switch with small size and short arcing, which can handle up to 30 circuits; the intelligent automatic tracking reactive power compensation device offers both contactor and contactless switching modes for users to choose from.
