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DELIXI 11KV/35KV SR SERIES HERMETICALLY-SEALED β-LIQUID-IMMERSED TRANSFORMER0 pages
POWER TRANSFORMER | Catalog
11KV/35KV SR series
hermetically-sealed
(3 -liquid-immersed
transformer
1. Product introduction
The HV and LV wings are immersed in B -liquid and the insulate material use NOMEX made by DUPON.
The combination of the B -liquid andNOMEX insulate paper make the transformer has all the advantage of dry type and oil
type transformers. It is safe, waterproof and environment friendly.
2. Model specification
s R n-M-n/n
TTT T T ^— Voltage class(KV)
- Rated capacity(KVA)
_ Hermetically-sealed
Performance No.
Cooling Medium fire-resistant oil
— Three-phase
3. Working condition
3.1 The altitude should not be more than 1000m, indoor or outdoor.
3.2 Highest ambient temperature should not over: +401D; Highest daily average should not over temperature: +30°C
3.3 Highest annual average temperature should not over: +20t;, lowest temperature should not below -25*0
* Non-standard transformer is accepted to redesign as per customer requirement.
4. Reference standards
4.1 Power Transformer: GB1094.1-2-1996,GB1094.3-2003,GB1094.5-2008
4.2 Technichal parameters and requirements of three phases oil immersed power transformer: GBrT6451-2008
4.3 High level insulating oil immersed power transformer: JB/T10431-2004
5. Performance characteristics
5.1 The inner insulation material is NOMEX made by DUPON which is thermo stability. The cooling medium is 6 liquid which
can restrain arc burning , non-toxic, and environment friendly.
5.2 NOMEX material is an excellent insulation material when the temperature is up to 220 °C . Compare to other common oil
transformers it is much more safe.
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