YB-12 Series Prefabricated Substation
This product is fully in line with GB17467 “High Voltage/ Low Voltage Prefabricated substation” standard. Applicable to urban publipower distribution, street lighting distribution, industrial and mining enterprises, urban construction,residential quarters, oilfieldterminals, hotels, parks and construction sites, etc., can achieve ring network or terminal type power supply.
Type designation
| MODEL: YB□□□/□□ | |
| YB | Pre-installed test substation |
| □ | Structuralfeatures: P-character;M-eye font |
| □ | Design Number |
| □ | High voltage side rated voltage (kV) |
| □ | Low voltage side rated voltage (kV) |
| □ | Transformer rated capacity(kVA) |
Installation dimension drawing
1, the roof
2, blinds
3, external measuring box
4, lifting ring
5, slot just under the shelf
6, the door
7, brick, imitation brick wall
8, concrete foundation
9, the basic vents
Environmental conditions
● Ambient air humidity: upper limit ≤ 40 °c, lower limit ≥-25 °C
● Altitude ≤ 1000W m² (Note: if the altitude exceeds 100m, the ordering time shall be specified)
● Wind speeds 35m/s
● Seismic intensity≤ 8, icing ≤ 20mm
● Humidity: daily average relative humidity ≤ 95%, monthly average relative humidity≤ 90%; Daily average relative watervapor≤ 2.2KPa; Monthly average relative steam pressure ≤1.8KPa
● The install ation site shall be free offlammable substances, explosion hazards, chemical corrosion and violent vibration
Note: For special use conditions, negotiate with the manufacturer in advance when ordering
Main technical parameter
| Frequency | 50Hz/60Hz |
| Rated Voltage | High voltage electrical appliance:6/10,transformer :6/0.4 10/0.4, Low voltage electricalappliance:0.4 |
| Rated Capacity | transformer:50kva~600kva |
| Rated Current | High voltage electrical appliance:200A,400A,630A, Low voltage electrical appliance:100A-3200A |
| Rated Open Circuit Start Current | High voltage electrical appliance:Combination switch depends on fuseLow voltage electrical appliance:15(1s) |
| High voltage electrical appliance:Load switch 400A~630A. Low voltage electrical appliance:15kV-63kV | |
| Rated Short-Time Withstand Current | High voltage electrical appliance:16kA.20kA(4S) Low voltage electrical appliance:30kA(1S).30kA |
| Rated Peak Withstand Current(1Min) | Highvoltage electrical appliance:16kA,20kA(4S) Low voltage electrical appliance:30kA(1S),30kA30kA |
| Power Frequency Withstand Voltage | High voltage electrical appliance: Relativelyand phased32/42,lsolation fracture36/48Low voltage electrical appliance:>0.3kV.2.5kV |
| Lightning Impulse Withstand Voltage (Peak) | High voltage electrical appliance:Relativelyand interphase 60/75,lsolation fracture 70/85 Low voltage electrical appliance:60/75 |
| Box Protection Level | Low voltage electrical appliance:IP23 |
| Noise Level | Low voltage electrical appliance:55db |
| Executive Standard | GB/T 17467 《High-voltage and low-voltage pre-assembled substation》. DL/T537 Technical Conditions for Ordering 6-35kV Box-type Substation |
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