Year1
- 额定容量：
- 1000KVA
- 额定电压：
- 10KV
- 额定频率：
- 50HZ
Type Dry Type Transformer
Product Overview
The company introduces advanced European technology software and optimizes the design of epoxy resin cast dry type transformers. The core of this product is made of high-quality oriented cold-rolled silicon steel sheet material. It is manufactured by the German company's step-jointed core automatic production line and uses a five-step stacked joint process to greatly improve the no-load performance of the core. The coils are made of (formerly Bajiage) epoxy resin, and the coil casting process is completed by German vacuum casting equipment. This product has good resin permeability and no bubbles, so the partial discharge amount is small. The high and low voltage coils are closely matched and have strong structural strength, thus ensuring strong resistance to short circuit and vibration. Under normal use conditions, the service life of this product is years. During the operating life period, under normal use conditions, the product will not cause cracks on the coil surface due to temperature changes.
Product features of dry-type power transformers
Low consumption, good power saving effect, bringing economic benefits to operation.
It is fire-proof, explosion-proof, pollution-free and maintenance-free. It can be installed dispersedly in the load center to reduce investment costs and save costs.
The internal discharge is less than 100%, the coil does not absorb moisture or dust, has high mechanical strength and good reliability.
Short circuit, good lightning impact resistance.
The shell is made of three materials: stainless steel cold plate and aluminum alloy. It has a separate air-type heat dissipation type. The incoming and outgoing wires can go in and out, go in and out, and go in and out.
The press can be equipped with a temperature control and temperature display system according to user needs, and can be used in conjunction with the temperature control system.
Normal usage conditions of dry-type power transformers
The pulling height should not exceed.
Ambient temperature
Maximum temperature + ℃
Maximum daily average temperature + ℃
Maximum annual average temperature + ℃
Minimum temperature ℃ (applicable to outdoor transformers)
Minimum air temperature ℃ (applicable to indoor transformers)
Waveform of source voltage
The waveform of power supply voltage is approximately a sine wave.
Symmetry of phase supply voltages
The supply voltages connected to multi-phase transformers should be approximately stacked.
Technical requirements for dry-type power transformers
Basic requirements
Product quality must meet the requirements of / and product quality standards.
Enterprise pollutant discharge should meet the requirements of national or local pollutant discharge standards.
Product Features
Low noise and low loss
) The noise of the transformer comes from the iron core. Our company applies the first domestically introduced automatic production line for stepped joint iron cores from a German company, and adopts new processes to improve the iron core. The internal magnetic circuit distribution reduces the noise of the product with its unique equipment advantages.
) Product design adopts high-quality silicon steel sheets and lower magnetic density to keep it away from the saturation point, which reduces the amount of harmonics in the core and reduces noise and no-load loss.
) All clamping parts are buffered with silicone rubber and elastic elements to reduce amplitude and noise. At the same time, a certain thickness of resin is coated on the outer surface of the core to provide sound insulation.
Flame-retardant and non-polluting to the environment
) Solid insulation composed of high-quality resin and glass fiber has high electrical strength (breakdown voltage is not less than / partial discharge is small and can be controlled within a range.
/>) Since the resin and fiberglass composite insulation material used in dry-type transformers generates very little heat when burned (about/so it has the characteristics of flame retardant and self-extinguishing.
) The core of dry-type transformer is coated with resin , the coils are all encapsulated by resin, so they can operate reliably under relative air humidity and have high corrosion resistance. Dry-type transformers also have the advantages of strong overload capacity, good thermal stability, small size, light weight, simple and convenient installation, and maintenance-free. It is widely used in high-rise buildings, commercial centers, airports, stations, terminals, subway factories and underground power distribution stations.
Iron Core
The iron core is made of high-quality oriented cold-rolled silicon steel sheet material. It is manufactured by a German company's step-jointed core automatic production line and adopts a new step-jointed technology. The magnetic circuit structure is improved and the magnetic flux density at the step joint is reduced. With first-class equipment, high-quality silicon steel sheets and advanced technology, the no-load performance of the core is greatly improved. Compared with the conventional structural core, the no-load loss, no-load current and noise level are reduced by and respectively.
Coil
Resin cast high-voltage coil
The high-voltage coil has a segmented layered structure, using (formerly Swiss) resin system materials and vacuum casting with German equipment. The low-voltage coil adopts a mooring structure. Advanced technology ensures that the coil has the characteristics of small partial discharge and strong short-circuit resistance.
High voltage coil voltage regulation range
and non-excitation voltage regulation and on-load voltage regulation.
Temperature control device
It has the functions of fault alarm, over-temperature alarm, over-temperature trip, three-phase inspection, start and stop of air cooling device, etc. Computer remote control interface can also be configured.
Cooling device
The radial flow fan is used, which has the advantages of low noise, good cooling effect, and easy installation. The addition of a fan can increase the output of the dry-type transformer.
New product development quality control
The company focuses on new product research and development and has a strong technical team with design process experiments and material testing. A wide range of application methods can meet users' ordering requirements for various special products.
The products are produced using international standards and have passed quality system certification. Due to the adoption of modern production technology and strict quality control, the products can withstand strict factory experiments and type experiments, ensuring high standards of quality and excellent after-sales service.
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