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{"title":"FR3 Vegetable \/ Mineral Oil Immersed Transformer Manufacturer 3 Phases220KV 20 ~","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/59\/e0768ce34e3e6298b4b1409b5a47-200x200-1\/fr3_vegetable_2f_mineral_oil_immersed_transformer_manufacturer_c2_a03_phases220kv_20_7e_400mva.jpg","attrs":{"Brand Name":"Tianan Electric","Model Number":"S11 series","Certification":"ASTS Certificate (Intertek)","Place of Origin":"CHINA"}}
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This 33kV oil immersed distribution transformer is designed and produced strictly following IEC-60076 international criteria with rated voltage of 33000/415V and Dyn1 vector group. It adopts No.45 transformer oil as cooling & insulating medium, with specified reference ambient temperature at 15℃ and designed applicable altitude ≤2000m. Its insulation level is LI170AC70/LI30AC3 to guarantee outstanding dielectric performance against surge and power frequency overvoltage.
Product Features & Construction
Configured with high-strength porcelain high voltage bushing and conservator tank, the transformer allows convenient oil level observation and off-load voltage adjustment. Corrugated tank realizes efficient ONAN natural heat dissipation without extra cooling fans, while fully sealed tank structure effectively prevents transformer oil leakage and dust ingress. Customizable paint color is available as per clients’ requirement.
Application Range
This step-down power transformer converts 33kV medium voltage down to 415V low voltage, widely deployed for industrial workshops, residential power supply and photovoltaic grid-tie projects, serving Africa and Southeast Asian markets adopting 33kV local grid standard.
Q&A Section
Q1: What’s the production standard of this 33kV distribution transformer?
A: It is manufactured in accordance with IEC-60076 international standard.
Q2: Which transformer oil is filled inside this unit?
A: The transformer is filled with standard 45# grade transformer oil.
Q3: What is the vector group of this 33000/415V transformer?
A: Its vector group is Dyn1, the most common connection type for low-voltage distribution.
Q4: Can we customize the outer painting color of transformer tank?
A: Yes, tank color is pending confirmation and customizable as buyer’s demand.
Q5: What’s the defined ambient reference temperature for design?
A: The design reference ambient temperature is 15℃, max applicable installation altitude ≤2000m.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
