Oil-Immersed Distribution Transformer
Standards
GB / IEC 60076
Testing
Routine report
Origin
China
Oil-Immersed Transformers
SH15-Type Amorphous Alloy Transformer
This product is of the oil-filled sealed type, and its working principle is consistent with that of sealed power transformers. The basic elements of the amorphous alloy it adopts include iron, nickel, cobalt, silicon, boron, carbon, etc. It is an isotropic soft magnetic material, featuring low magnetizing power and no structural defects that hinder domain wall movement-these properties help optimize the transformer's performance.
- Product type
- Oil-Immersed Distribution Transformer
- Rated capacity
- 50-10,000 kVA
- Voltage class
- 10 kV / 20 kV / 35 kV
- Cooling
- ONAN / ONAF
- Tap range
- Off-circuit or on-load, project-specific
- Winding
- Copper or aluminium (project-specific)
Final ratings, losses, impedance and dimensions are confirmed on the approved datasheet. Website values are for family selection.
- Routine test report with the unit
- English GA drawing and O&M manual
- Copper or aluminium winding options
- 50 Hz / 60 Hz and harsh-site options
Product overview
Product Type and Core Principle
This product is of the oil-filled sealed type, and its working principle is consistent with that of sealed power transformers. The basic elements of the amorphous alloy it adopts include iron, nickel, cobalt, silicon, boron, carbon, etc. It is an isotropic soft magnetic material, featuring low magnetizing power and no structural defects that hinder domain wall movement-these properties help optimize the transformer's performance.
Properties of Amorphous Alloy Material
The thickness of the amorphous alloy is only 0.027mm, with a stacking factor of 0.75~0.8.
Its resistivity is 3~6 times that of silicon steel sheets, and its hardness is 5 times that of silicon steel sheets; however, it is extremely sensitive to stress. Relying on these properties, the no-load loss of products in the SH15-M-30~2500/6~10 series is reduced by 70% based on the standard value specified in GB/T 6541, demonstrating significant energy-saving advantages.
Executive Standard and Application Value
Design features
What the design is built around
Low-loss magnetic core
Cold-rolled grain-oriented silicon steel and a stepped core reduce no-load loss and audible noise.
Sealed tank construction
Welded tank, quality-gasketed cover and pressure-tested seals reduce oil leakage risk in outdoor duty.
Thermal margin for hot climates
Cooling surfaces and oil volume are selected for high ambient temperature and cyclic loading.
System compatibility
MV terminals, cable boxes and LV bushings are matched to the switchgear and protection scheme.
Typical specification
Specifications to confirm on the datasheet
| Product type | Oil-Immersed Distribution Transformer |
|---|---|
| Rated capacity | 50-10,000 kVA |
| Voltage class | 10 kV / 20 kV / 35 kV |
| Cooling | ONAN / ONAF |
| Tap range | Off-circuit or on-load, project-specific |
| Winding | Copper or aluminium (project-specific) |
| Standards | GB 1094.1, GB/T 6451, IEC 60076 |
| Testing | Routine tests plus type and special tests on request |
The table is a family-level starting point. The approved datasheet fixes the guaranteed values, drawing dimensions and test plan for the specific order.
Typical applications
- Urban and rural distribution networks
- Industrial plants and industrial parks
- Commercial and public buildings
- PV, wind and battery-energy-storage step-up
- Mining, oil and gas facilities
Confirm before ordering
- Rated capacity, voltage ratio and tap range
- Impedance, fault level and parallel operation
- Ambient temperature, altitude and enclosure
- Winding material, losses and efficiency class
- Terminations, protection and monitoring
- Tests, inspection, packing and shipping limits
Buyer questions
FAQ for SH15-Type Amorphous Alloy Transformer
What is SH15-Type Amorphous Alloy Transformer best used for?
What is the typical lead time for SH15-Type Amorphous Alloy Transformer?
Which standards and tests are supplied?
Can the transformer be customised for 60 Hz or a hot climate?
How do I choose between copper and aluminium windings?
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