Underground Substation

● Product overview

The YBD-12 type Landscape Underground Substation conforms to the concept of urban ecological design, occupies a small area and beautifies the environment. It is suitable for urban traffic trunk roads, residential areas, airports, stations, off-highway and other places, and will become the trend of urban distribution network equipment transformation.

● Model explanation of The YBD-12 type Landscape Underground Substation

Compared with traditional box substation, Underground Substation has the following obvious advantages：

▶ Aesthetics and environmental harmony

Ordinary box substation occupies a large area, which can't coordinate with the surrounding environment well, and the Underground Substation has a small distribution box, which won't affect the surrounding environment.

▶ Energy saving

Energy saving and consumption reduction have become the consensus of the whole society. The transformers preferred for The YBD-12 type Landscape Underground Substation are low-loss transformers such as S11 series, S13 series and SBH15 series can be selected according to the demand and supply of users.

▶ Noise reduction

The noise of the transformer comes from the iron core, and the height from the ground in the common box transformer is generally about 1.2m, which easily affects people's sleep. The YBD-12 type landscape underground substation is installed underground as a whole, and its noise can be obviously reduced, which has little impact on residents.

▶ Create value for customers

Landscape Underground Substation can be completely prefabricated in Kexun, with short production cycle, small investment and quick effect. The Underground Substation installed on urban main roads and highways is an advertising light box switch device on the ground, and its advertising light box position will provide advertising benefits for customers for a long time.

▶ High automation

The YBD-12 type Landscape Underground Substation can report the operation status of high-voltage and low-voltage switchgear to the controller through the comprehensive measurement and control device using GPRS wireless network technology, which greatly facilitates the operation and use of substation.

● Installation diagram of The YBD-12 type Landscape Underground Substation

Note：

1. The above dimensions are for reference only. Please refer to the drawings provided by the manufacturer when ordering the actual dimensions.

2. The product consists of underground transformer, light box outdoor switch cabinet and prefabricated pit. It is a complete set of equipment pre-assembled in the factory, and the shell of light box switch cabinet is made of stainless steel;

3. The prefabricated pit is fully sealed and waterproof, the surface of the upper cover of the pit is decorated with square floor tiles, and the lower box of the pit is made of metal ceramic, which is subjected to anti-corrosion treatment according to the requirements of GB/T19285 "Inspection on Corrosion Engineering of Buried Steel Pipelines";

4. The upper cover of the pit is provided with an openable manhole. After the manhole is opened, it is supported and positioned by a cylinder. Through the manhole, the underground transformer worker can be observed and operated to enter the pit for cable safety connection.

5. It is suggested that the blasting bolts should be embedded according to the foundation size of the pit. After the pit is in place and fixed, backfill soil according to the horizon, and then plant turf.

●Design drawings of two typical schemes

◆HV ring main uniy+Underground Transformer+low voltage metering：

◆HV ring main unit+high voltage metering+Underground Transformer+LV feeder：