SCB series dry-type transformers
Safe, flame-retardant, and pollution-free, it can be directly installed in the load center. Maintenance-free, easy to install, and low comprehensive operating costs. Good moisture-proof performance, it can operate normally under 100% humidity, and can be put into operation without drying after shutdown. Low loss, low partial discharge, low noise, strong heat dissipation, and can operate at 150% rated load under forced air cooling conditions. Equipped with a complete temperature protection control system to provide reliable protection for the safe operation of the transformer. High reliability, research on products that have been put into operation shows that the reliability indicators have reached the international advanced level.
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SCB series dry-type transformers
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Product details
SCB Series Dry-Type Transformers
Product Technical Features
Safe, flame-retardant, and fire-resistant; pollution-free; can be installed directly in the load center.
Maintenance-free, easy installation, and low overall operating costs
Good moisture resistance; can operate normally at 100% humidity and can be put into operation after shutdown without drying.
Low loss, low partial discharge, low noise, strong heat dissipation; can operate at 150% rated load under forced air cooling.
Equipped with a complete temperature protection control system, providing reliable protection for the safe operation of the transformer
High reliability; reliability indicators of products already in operation have reached internationally advanced levels.
Foil Coils:
The low-voltage winding adopts a foil structure, wound with a whole sheet of foil. The inter-turn insulation is resin-impregnated polyimide composite cloth, and the ends are resin-sealed. After high-temperature curing, the resin in the pre-impregnated polyimide composite cloth is released and then cured, making the entire coil a rigid whole. The low-voltage winding has a thermal class of F.
The high-voltage winding is a multi-section foil-wound structure, continuously wound. The inter-turn insulation is a composite polyimide film, and the inner and outer casting layers of the winding use a fiberglass mesh as a supporting skeleton. It is cast with a filler resin under vacuum. The inner and outer casting thickness is 2~3mm, which is a thin insulation structure. After high-temperature curing, the casting surface is smooth. The high-voltage winding has a thermal class of F.
Foil coils solve the prominent problems of large short-circuit stress, unbalanced ampere-turns, poor heat dissipation, and unstable manual welding quality in the winding of low-voltage, high-current coils.
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