Description
Level H immersion type dry type transformer is long thermal life,strong overlond running ability, can be under 120% rated capacity long-term overload running, can long-term full load running under no forced air cooling; with strong thermal shock resistance ability, can fill up load immediately at -50P;Have a high security and flame retardant
property.under the 800P high temperature combustion for a long time without smog; After finished its duty can easily separate the insulation materials and copper wire and recycle, non-pollution. Apply to power plant (station), substation (power distribution station)and industrial, business, building etc.
Features:
1. Good heat dissipation conditions, long thermal life, no forced air cooling under IP45 conditions, and can operate at full load for a long time;
2. Extremely safe and flame retardant, with no smoke generated during prolonged combustion at a high temperature of 800 ℃;
3. Extremely strong thermal shock resistance (full load can be added immediately at - 50 ℃);
4. Excellent hydrophobicity and moisture resistance;
5. Low loss, significant energy-saving effect;
6. After the service life, it is easy to separate and recycle the insulation material and copper wire, without polluting the environment.
7. Unique insulation structure, using H-grade high-strength insulation cylinder and cushion block, never deformed;
8. High and low voltage coils are wrapped with NOMEX paper, flat copper wire, and imported copper foil, and are repeatedly impregnated with special formula H-grade insulation paint through VPI vacuum pressure equipment, and baked and cured multiple times.
9. The high-voltage coil adopts a continuous structure with high mechanical strength and good heat dissipation conditions;
10. The lead wire terminal is fixed on the upper part of the winding, and the tap is in the middle of the winding. The low-voltage lead wire terminal is a plate type conductive bar and is welded with ammonia arc;
11. The surface of the iron core is treated with a special process. The iron core is moderately clamped by a pulling screw, and the upper and lower clamping pieces are connected by a pulling plate and fixed with the base as a whole. The winding is fixed by elastic pads, and the buffering structure can reduce the vibration degree of the winding and reduce noise.
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