Three Phase Dry Type Transformer Cast Coil Step Up Transformer 33KV

Product Introduction

The three-phase dry-type transformer is an electric power device based on the principle of electromagnetic induction, which is mainly used for the conversion of AC voltage. Its core components include primary coil, secondary coil and iron core (magnetic core), which realize the conversion of voltage, current and impedance through electromagnetic mutual induction. Three-phase dry-type transformers usually have efficient and stable working performance and are widely used in various electrical systems and equipment.

Key components of three-phase dry-type transformers
‌Body‌: including iron core, winding, insulation and lead wire.
‌Transformer oil‌: used for cooling and insulation.
‌Oil tank‌: protect the internal structure of the transformer.
‌Cooling device‌: such as fan or oil cooler.
‌Voltage regulating device‌: used to adjust the output voltage.
‌Protective device‌: such as dehumidifier, safety airway, gas relay, oil storage cabinet and temperature measuring device.
‌Outlet bushing‌: used to connect the transformer and the external circuit‌

Working principle of three-phase dry-type transformer
When AC current passes through the primary coil, the corresponding AC magnetic flux will be generated in the iron core, and then the voltage will be induced in the secondary coil. This process is based on the principle of electromagnetic mutual induction and realizes its function by transforming AC voltage. The key parameters of the transformer include rated power, rated voltage, pressure ratio, operating frequency, efficiency and insulation resistance, which together determine the performance and application effect of the transformer.

Casting coil step-up transformer has many outstanding features.

Excellent electrical performance. The use of casting technology, such as resin casting, makes the coil insulation performance excellent, can prevent leakage and short circuit in harsh environments, and ensure safe operation. At the same time, it can reduce winding resistance and leakage magnetic loss, improve efficiency, stabilize output voltage, and meet the voltage quality requirements of electrical equipment. Very reliable mechanical performance. The coil and the casting material are combined into a solid whole, which enhances the mechanical strength and impact resistance, and can withstand external forces during transportation, installation and operation. In the event of a short circuit fault, it also has a strong ability to resist deformation to ensure safety. Good environmental adaptability. The sealed structure is moisture-proof, dust-proof and corrosion-resistant, and is suitable for harsh places such as mines and coastal areas. The casting material has good flame retardancy and can reduce fire hazards. Easy operation and maintenance. The failure probability is low, the maintenance workload is small, and regular simple inspections are sufficient. It is also equipped with a monitoring device to grasp the operating status in real time, discover hidden dangers in time, and provide strong guarantee for the stable operation of the power system.

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