75 kVA ~ 2500 kVA UL-Listed انفجار سے بچانے والی معیاری پڈ-ماؤنٹڈ ترانس فارمر

Taflima:

UL-Listed Explosion-Proof Standard Pad-Mounted Transformer IEE-Business ka ek explosion-proof oil-immersed pad-mounted transformer hai jo Underwriters Laboratories (UL) ki taraf se certify hua hai, jis ka khasa taur par hazardous mavaishat ke liye tayyar kiya gaya hai. Iska core certifications aur standards yeh hain:

• UL Certification: UL 506 (Transformer Standard) aur UL 1203 (Explosion-Proof Equipment Standard) ke mutabiq, jo dangerous mavaishat mein safe operation ke liye zaroori hain.
• Explosion-Proof Rating: Aam tor par Class I, Division 1 (flammable gas environments ke liye) ya Class II, Division 1 (combustible dust environments ke liye) marked hota hai, National Electrical Code (NEC 500/505) ke mutabiq.
• Structural Standards: IEEE C57.12.20 (American Pad-Mounted Transformer Standard) aur NEMA 3R/4X (Enclosure Rating Standards) par based hain.

Core Design Features:

• Explosion-Proof Enclosure: Cast aluminum ya stainless steel se constructed, joint surfaces aur gaps strict UL 1203 (e.g., gap ≤0.15mm) ke mutabiq hote hain taki internal arcing ke dauraan flame propagation rokna ho sake.
• Pressure Relief System: Dual redundant pressure relief valves (operating pressure 55±5kPa) aur spark arrestors se equipped hain taki tank rupture aur secondary explosions se bacha ja sake.
• Oil-Immersed Insulation: High-flash-point insulating oil (e.g., silicone oil with flash point >300°C) ya β-fluid (UL 3406 ke mutabiq) ka istemal karte hain taki fire risks kam ho sake.
• Sealing Rating: Fully welded construction ke saath corrugated tanks hain, jo UL 50E explosion tests (methane-air mixture explosion test) pass kar dete hain taki combustible substances ke aane se rokna ho sake.
• Electrical Connections: Explosion-proof cable glands (UL 1203 certified) aur Ex d-type flameproof joints se equipped hain taki terminals par sparks ambient gases ko ignite na kar sake.

Functions and Core Applications:

• Safe Power Supply: Flammable mavaishat mein electrical energy conversion enable karta hai samayik sparks ya high temperatures explosions trigger na kar sake.
• Fault Isolation: Internal faults (e.g., arcing, oil decomposition) ko enclosure ke andar contain karta hai explosion-proof design ke zariye.
• Environmental Adaptation: IP66 protection rating ke saath, corrosive gases aur dust ke aane se resist karta hai.

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