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6kV/10kV Buried Landscape Substation

6kV/10kV Buried Landscape Substation

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  • Rated voltage: HV: 6/10kV, LV: 0.4kV  Capacity range: 30, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000kVA  Frequency: 50Hz  Phase: single-phase and 3-phase Vector group: Dyn11, Yyn0   Impedance voltage: according to national standards  Operation environment: in the basement or the cellar  Loss: reaching national standard S11 series parameters  Enclosure protection level: IP68 Noise level: ≤ 55dB
    Waterproof consideration for basic design and fabrication
    Top: ventilation holes have effective rain-proof and water-proof capabilities; Side: carry out surface treatment for sides by waterproof concrete materials so that water can not penetrate from sides; Bottom: install waterproof concrete bearing base for buried transformer that is 300mm higher than the pit bottom. At usual time, water flowing from the ground into the pit will enter the ring channel under the base so that it will not immerse the buried transformer.  Lay sandy cobble at the bottom of the base so that water can penetrate into the ground more quickly. 

    Buried type transformer can also operate when immersing in water for more than 0.5m for a certain period of time. It can withstand floods and can effectively improve the reliability of the power supply system. However, in order to ensure the safe and reliable operation of the transformer, it is suggested to check the water accumulation situation in the pit after floods and long time heavy rainfall and the rainy season. If there is too much water, pumping and cleaning should be carried out.

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