Shaanxi, China
Business Type:
Business Range:
Electrical & Electronics, Industrial Equipment & Components, Lights & Lighting
OEM/ODM Service

Transformer, Power Transformer, Landscape Buried Type Transformer manufacturer / supplier in China, offering Landscape Buried Type Transformer, Blue Lxw19 Series Micro Switch, Contact and so on.

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Landscape Buried Type Transformer

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Min. Order / Reference FOB Price
1 Piece US $3,500/ Piece
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Paypal, Western Union
Application: Power
Phase: Three
Core: Shell-type Transformer
Cooling Method: Oil-immersed Type Transformer
Winding Type: Multi-winding Transformer
Certification: ISO9001

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Basic Info

Model NO.: Landscape buried type
Usage: Single-phase Transformer
Frequency Characteristics: Power Frequency
Rated Voltage: Hv: 6/10kv, LV: 0.4kv
Frequency: 50Hz
Vector Group: Dyn11, Yyn0
Noise Level: ≤ 55dB
Enclosure Protection Level: IP68
Trademark: Onegreen
Specification: SGS
Origin: Xi; an Shaanxi
HS Code: 850431900

Product Description

Landscape buried type transformer

Rated voltageHV: 6/10kV, LV: 0.4kV
Capacity range30, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000kVA
PhaseSingle-phase and 3-phase
Vector groupDyn11, Yyn0
Impedance voltageAccording to national standards Operation environment
the cellar LossReaching national standard S11 series parameters
Enclosure protection levelIP68
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.

Landscape Buried Type Transformer

Buried type transformer - temperature rise control measures

The buried type transformer temperature rise control measures can be ensured by the following four ways: Transformer low temperature rise design, control the oil temperature at around 45K, far lower than the international regulated 60K; The design ideas are as follows: The heat load is directly proportional to the loss. Comparing with GB6451-1999, is 30% lower for the no-load loss and 15% lower for the load loss; Comparing with series 9, they are 20% lower for the no-load loss, so that their heat load is quite low. The naphthenic transformer oil is used so that the oil medium can flow freely at very low temperature without adding additive. Besides, the good viscosity-time property ensures the acceleration of oil flowing when the temperature rises to ensure the good cooling capacity of products. Tank structure the cooling of the buried type transformer oil tank manly relies on the radiation. The heat always radiate from the heater to the surrounding medium at lower temperature in form of wave. The radiation energy depends on the temperature, shape and surface color of the heater. As a result, the buried type transformer uses flat oil tank and plate heat sink to enhance the radiation. Surface treatment: Since the buried-type transformer is installed in the cool underground, special surface treatment technology is applied to ensure the good heat radiation capacity

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