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500kVA 33kV Amorphous Alloy Dry Type Transformer Three Phase Dyn11 Low Loss

Amorphous alloy dry type transformer is one kind of energy-saving transformer made of a new permeability magnetic material, amorphous alloy. The transformer is a lower 70% no-load loss and around 80% less no-load current than those silicon steel sheet core transformers.

1.Phase: 3 phases
2.Rated power: 500kVA
3.Primary voltage: 33kV
4.Secondary voltage 0.4kV
5.Frequency: 50Hz/60Hz
6.Vector group: Dyn11
7.Insulation class: H/F Class

Product Features:

1.Low losses, low noise, strong overload capacity, high reliability, low partial discharge, energy-saving, and environment friendly.
2.Winding is cast with epoxy resin at a vacuum state with pressure.
3.Adapting the structure of three-phase and five-column with the reinforced frame which to fix and protect the core.
4.Self-distinguished, self-resistant, no pollution, high anti short-circuit capacity.
5.Low operation fee, simplify, or free maintenance.

Product Parameters:

Technical characteristics for 500kVA 33kV cast resin dry type transformer

Transformer  type Cast resin dry type transformer
Transformer Model 500kVA 33/0.4kV
Short circuit impedance 6%
Noise Level 50dB
Cooling mode AN/AF
Winding material Copper/Aluminum
Core material Amorphous alloy
Degree of protection IP00-IP55
HV tapping +/-2*2.5%
Insulation material Cast resin (HV)
Pre-impregnated (LV)
Insulation level Primary:  70kV AC
Secondary: 3kV AC
BIL 170kV for primary circuit
Type of installation Indoor
Maximum attitude <1000m
Standards IEC60076-11

Application and After-Sales Service:

Application: With excellent performance, amorphous alloy dry-type transformer has good economic and social benefits and is widely used in places such as urban power grids, high-rise buildings, business centers, theaters, hospitals, hotels, tunnels, subways, underground power plants, laboratories, stations, docks, airports, combined substations, and other important places.
After-sales Service: We have a professional aftersales engineer team, each aftersales engineer has more than 3 years of experience. And we also have localized technical backup to offer timely support in Malaysia, South Africa, Egypt, Dubai, UAE, Brazil.

Applied Standard:

The following standards contain provisions which, though referenced in this text constitute provisions of this specification. Unless otherwise stated, the latest editions (including amendments) apply.
1.ISO 1461: Hot-dip galvanized coatings on fabricated iron and steel articles – Specifications and
test methods.
2.IEC 60076-11: Dry-type transformers.
3.IEC 60076-12: Loading guide for dry-type power transformers.
4.IEC 60376:2005: Specification of technical grade sulfur hexafluoride (SF6) for use in electrical
5.IEC 60076: Power transformers, all parts
6.IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.
7.IEC 60214: Tap-changers – Part 1: Performance requirements and test methods, Part 2:Application Guide
8.IEC 60512: Connectors for electronic equipment
9.BS 381C: Specification for colors for identification coding and special purposes
10.IEC 60529: Classification of Degrees of Protection provided by Enclosures
11.DIN 42500: Three-phase Oil-immersed 50Hz distribution transformers from 50 to 2500kV A, Urn=24kV

Factory Area and Equipment:

1.Pearl Electric covers a factory area of 100,000 square meters, with more than 70,000 square meters of up-to-date workshop building.
2.The workshops are equipped with more than 600 units of modern manufacturing equipment, advanced in China and abroad, such as the fully-automatic vacuum resin-casting equipment imported from Germany HÜBERS company, the automatic slitting lines for silicon steel sheet manufacturing, 600mm automatic transverse shear line for transformer core manufacturing.
3.The complete set of transformer testing equipment is equipped in the test center, including the shielded measurement room for local partial discharge and noise test. Pearl Electric has the capability to carry out all the type tests and routine tests (except the short-circuit test) within the test center, thus greatly satisfying various test requirements for transformer product research, design and manufacturing.

500kva  33kv  amorphous  alloy  dry  type  transformer  three  phase  dyn11  low  loss   5

500kva  33kv  amorphous  alloy  dry  type  transformer  three  phase  dyn11  low  loss   8

500kva  33kv  amorphous  alloy  dry  type  transformer  three  phase  dyn11  low  loss   7

500kva  33kv  amorphous  alloy  dry  type  transformer  three  phase  dyn11  low  loss   9


1. Q: Are you a manufacturer?
A: Yes, we are a manufacturer. Our factory is in Guangzhou City, Guangdong Province.
2. Q: Can I get a guarantee of products?
A: Yes, every product is a 1-year quality warrant under customer correct using the products.
3. Q: Do you have any Certificates?
A: Yes. Each of our units has CE, 3C and KEMA certificates. If you need any other Certificate, we can help you to apply
for it.
4. Q: How can I pay you?
A: Pay by T/T and L/C is acceptable.
5. Q: What about the productions?
A: In general, it takes 4~6weeks and it depends on the different style.


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