Application: This product boasts excellent insulation properties, high mechanical strength, resistance to moisture, flame retardancy, and non-toxicity. It is easy to install, requires minimal maintenance, has a long service life, and strong edge loading capacity. It is widely used in important locations such as hospitals, hotels, underground shopping malls, tunnels, subways, underground power stations, offshore oil platforms, laboratories, high-rise buildings, airports, and combined power stations.
Product Usage Conditions:
Altitude: 1000M and below.
Ambient Temperature: Maximum Temperature: +40°C
Highest average daily temperature: +30°C; Highest average annual temperature: +20°C
Lowest Temperature: -30°C (for outdoor transformers) / -5°C (for indoor transformers)
Relative Humidity: 95% and below
When conditions exceed the above requirements, adjust operating parameters (such as output current) appropriately and take proper protective measures to ensure product lifespan and safety reliability.
Product structure characteristics:
Core: The core is made of high-quality cold-rolled oriented silicon steel sheets, featuring a 45°C full diagonal seam without piercing structure; the core surface is coated with a special resin to prevent rust; elastic materials are used between the clamping pieces and the core, the coil and the core, and the core and the base to reduce operating noise.
Coils: The low-voltage windings are in double-layer cylindrical or foil form, while the high-voltage windings have a segmented continuous structure; both are wound with F-grade insulation polyester yarn copper wire, reinforced with glass fiber, and the epoxy resin mixture is cast and molded under vacuum. They offer excellent electrical properties and mechanical strength. They can withstand short circuits, shocks, moisture, and have certain over-voltage resistance capabilities.
Base: Supplied with either a slot steel or a trolley according to customer requirements.
Terminal Blocks: High-voltage wiring terminals are connected with pre-buried copper nuts; low-voltage wiring employs nickel-plated (or tin-plated) copper bars with terminal holes,焊接 to the coil ends, and are secured to the brackets with insulating spacers for easy wiring.
Protective Housing: No housing with IP00 rating; suitable for box-type power stations, switchboards, etc.: IP20i with metal mesh protective housing, prevents objects up to 12mm from entering; suitable for indoor installation; IP23i with louvered protective housing, protects against rain, snow, insects; suitable for outdoor use, but reduce usage capacity by 5% when using this type of housing.
Cooling: The transformer is typically cooled by air natural (AN), at which point, it can continuously output 100% of its rated capacity. Upon customer requirement, a forced air cooling (AF) system can be configured; with AF cooling, the transformer's output capacity can be increased by up to 30%.
Temperature Control: Equipped with an automatic temperature control protection system; features such as temperature display, circulation detection, fan start/stop, over-temperature alarm, trip, and computer communication interface can be achieved according to customer requirements.
