Special Transformer Solutions for Harsh Environments - Customized High Adaptability Ga abụọ ịhụnanya nke Transformer maka ọnọdụ ọjọọ - Ịhụnanya Nke Okpomọkụ Na-akwụsịrị High
Ⅰ. IEE-Business Custom Design na Toleransiya na Environment
- Ta'adudi na Temperature da Dukkana
- Makarantar F-class da kuma H-class na tsari mai karfi.
- Tattalin kasa: Radiators na ziyawa + oil ducts na copper-tube da takardun daidai; ziyartar intelligent forced-air cooling system (40% ta ƙarin daidaito).
- Tattalin kasa na kafin kasa: Silicone-modified insulating oil (solidification point ≤ -60℃) da anti-condensation electric trace heating.
- Aikinsu na tattalin kasa na abubuwa masu muhimmanci (ziyarta), amma kan kasa da ɗaya da -50℃.
- Aiki na Tsari Mai Yau (≥150℃)
- Aiki na Tsari Mai Kafin Kasa (-40℃ to -60℃)
- Kudin Altiti (≥3,000m)
- Tsari mai karfi ta ƙarin da 20% (da IEC 60076-15), CTI≥600 epoxy for solid insulation.
- Kudin tsari mai yawan gwamnati: Extended-shed bushings; SF6 gas insulation for dry-type transformers (withstand strength ≥40 kV/cm).
- Bincike na Salt Spray / Heavy Pollution
- Tsari Uku:
|
Layer |
Solution |
Standard |
|
Enclosure |
IP55 stainless steel + triple-layer heavy-duty epoxy coating (5,000h salt spray test) |
ISO 12944 C5-M |
|
Internal |
Nitrogen-pressurized sealing (N₂ purity ≥99.999%) |
IEC 60076-11 |
|
Terminations |
Silicone-sealed terminal box + silver-plated copper terminals |
IEC 60529 |
Ⅱ. Explosive Safety System
- Certified for Explosive Atmospheres (Chemical/Mining):
- Ex d IIC T4 flameproof enclosure (ATEX 2014/34/EU compliant), flamegap ≤0.1mm.
- Safety interlock: Pressure-release valve + instant trip breaker (response ≤2ms), grounding resistance ≤0.5Ω.
- Intrinsic Safety Monitoring:
- Ex ia online monitoring (partial discharge + DGA), signals isolated via Zener barriers.
Ⅲ. Kudin Seismic
- Simulation na Structural Dynamic
- FEA seismic response spectrum per IEEE 693 (High Level), peak acceleration 0.5g.
- Design na Displacement-Tolerant
- Internals: Honeycomb support frame + axial winding compression (displacement tolerance ≥±15mm).
- External: High-strength viscous dampers (damping coefficient ≥30%), withstands seismic intensity IX.
Ⅳ. Target Performance & Validation
|
Parameter |
Target |
Verification Method |
|
Environmental Range |
-60℃~+65℃, 100%RH |
IEC 60068-2 test series |
|
MTBF |
≥300,000 hours |
IEC 60721-3-4 |
|
Seismic Resistance |
IEEE 693 Severe Level |
3-axis shaker table test |
|
Explosion Certification |
ATEX/IECEx dual cert |
EN 60079-0/1 |
Efficacy na Ƙarshe:
- Failure rate <0.1 incidents/year in extreme environments.
- Service life extended to 35 years.
- O&M costs reduced by 45%.
07/28/2025
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