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SBH-15
SBH-15 Hermetically-sealed oil-immersed amorphous alloy distribution transformer

SBH-15 Hermetically-sealed oil-immersed amorphous alloy distribution transformer


Production introduction

1. Installation mode: indoor / outdoor type
2. Ambient temperature: -25°C ~ +40°C (outdoor)
-5°C ~ +40°C (indoor)
3. Max. altitude: 1000m
4. Installation site: in places without corrosive gas, obvious dusts

Performance characteristics
1. A multilayer cylinder structure is used for all high voltage windings in order to improve the voltage impulse distribution of windings.
2. For the capacity range of low voltage windings is from 30kVA to 2000kVA, the cylinder type or spiral structure is used to ensure the high mechanical strength, ampere lure distribution, and excellent short-circuits proof performance.
3. The securing structure is set in the transformer body, which is used for ensuring that no displacement will occur during the transportation; meanwhile, the turnbuckles are mounted in fasteners, which is for assuring that fasteners will not be loose during the long term operation.
4. Corrugated tanks are used in the transformer for replacing the conservator. The tank enclosure and rim are completely sealed by welding or bolting up, which prolongs the service life of transformer oil.
5. The transformer surface are painted with primer and finish coats after degreasing, derusting, and phosphorizing; which can meet the special operation requirements in metallurgic and petrochemical industries, as well as, in moist and dirty places.
6. The press relief valves, signal thermometers, and gas relays are equipped in the oil tank of hermetically sealed transformer in order to the standard requirements for safe operation. The transformers are attractive and competitive due to the compact shape, excellent design, and maintenance-free.


Applicable standards
Three-phase oil-immersed transformer
GB1094.1-2-1996 Power Transformer
GB1094.3; 5-2003 Power Transformer
GB/T6451-1999 Technical parameters
and requirements for three-phase oil-immersed power transformer

Note for placing order:
Hermetically-sealed distribution transformer
1. Transformer type: ________________
2. Rated capacity (kVA) : ____________
3. Number of phases: three-phase, or single-phase
4. High voltage (KV): ______________
5. Low voltage (KV): ______________
6. Frequency: 50Hz or 60Hz
7. Tapping range: ±4x2.5%, or ±3x2.5%, or others;
8. Connection group: Yyn0, or Dyn11, or others;
9. Impedance voltage: 4%, or 6%, or others;
10. Cooling method: ONAN, or ONAF;


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