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XBZ1, XBJ1 Compact Ring Main Unit

XBZ1, XBJ1 Compact Ring Main Unit

The XBZ1/XBJ1 smart, compact eco-friendly box-type substation is developed on the basis of summarizing the running conditions of the box-type substations that have been put into operation. It meets the requirements of urban power grid reconstruction on distribution network automation.

Adopting new materials, new processes, advanced components, as well as high and low voltage automation technologies, this product integrates the advantages of American style box-type substation, European style box-type substation, and other similar domestic products. "Four Remotes" (Remote measurement, remote communication, remote adjustment, and remote control) power distribution management can be carried out through the central station or the upper in the property management office.

When connected to the hand-in-hand power supply ring network, the smart, compact eco-friendly box-type substation can realize automatic positioning of fault section, fault clearing, load transfer, and network reconfiguration with the help of software, thus ensuring power transmission restoration within a minute.

1. There are metal and nonmetal cabinets inside this box-type substation. The nonmetal cabinet has extremely strong resistance to mechanical bending, shock, exposure to sun, and radiation. It has excellent heat insulation, freeze protection, crack prevention, and anti-corrosion properties. In addition, it is also moistureproof, flame retardant, and non-condensing. Due to these advantages, the product can be used for 50 years or more.

2. Our product has beautiful appearance and it can blend with the surrounding environment, which is an ideal substitute for the traditional metal box-type substation.

3. The adoption of SF6 load switch greatly improves safety of running and operation. Easy to install, this switch saves space and needs little maintenance, which brings significant economic benefits.

4. The open type PROFIBUS filed bus can be adopted to complete the remote measurement, adjustment, control, and communication on the switch and distribution system.

Main Technical Parameters
Item Data
Standard compliant GB/T17467
Rated voltage (KV) High voltage side: 12
Low voltage side: 0.4
Transformer rated capacity (KVA) 50, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600
Rated current (A) High voltage: 400, 630
Low voltage: 100~2500
Rated frequency (Hz) 50(60)
Rated short time withstand current (A) High-voltage switchgear
12KV: 16KA, 20KA
Low-voltage switchgear
250~315KVA: 15KA
400~800KVA: 30KA
Rated peak withstand current (KA) High-voltage switchgear
12KV: 40KA, 50KA
Low-voltage switchgear
250~315KVA: 30KA
400~800KVA: 63KA
Rated short circuit making current (KA) 12KV: 40KA, 50KA
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