35kV SCZ(B)(H)-2000~25000KVA series of OLTC epoxy resin cast dry-type power transformer

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35kV SCZ(B)(H)-2000~25000KVA series of OLTC epoxy resin cast dry-type power transformer

The 35kV SCZ(B)(H)-2000~25000kVA series epoxy resin cast dry-type transformers feature On-Load Tap-Changing (OLTC) functionality for dynamic voltage regulation without interrupting power supply. Built with state-of-the-art epoxy resin casting, the core and windings are integrally molded for enhanced insulation, thermal stability, and mechanical strength.

These high-capacity transformers meet stringent energy efficiency standards and are engineered to deliver low loss, fire resistance, and excellent environmental adaptability. Ideal for large-scale industrial plants, critical infrastructure, and urban substations, they ensure reliable, safe, and low-maintenance power delivery even under heavy load conditions.

Certifications: ISO 9001、ISO 50001、ISO 45001、ISO14001、ISO 14067、ISO14067、GOST、CE、CB、UL
Provide design solution service
Customization options: Customized on demand, sample processing, graphic processing
Provides comprehensive after-sales services

Product Introduction

The 35kV SCZ(B)H - 2000~25000KVA series of on - load tap - changing (OLTC) epoxy resin cast dry - type Power Transformers adopt advanced epoxy resin casting technology to integrally cast the core and windings. This series of transformers is equipped with the OLTC function, which can flexibly and smoothly adjust the voltage according to actual needs during the operation of the transformer. It can effectively deal with grid voltage fluctuations and provide stable and reliable power supply for places with strict requirements for power stability and capacity, such as large industrial enterprises, urban power supply hubs, and super high - rise buildings.

35kV SCZ(B)(H)-2000~25000KVA series of OLTC epoxy resin cast dry-type power transformer

Product Features

This series of transformers integrates a variety of excellent characteristics. In terms of voltage regulation, the on - load tap - changing device is sensitive and precise, and can quickly adjust the voltage under load, ensuring stable output voltage and adapting to complex grid conditions. In terms of energy conservation, it meets relevant energy efficiency standards. Through optimized electromagnetic design and material selection, it significantly reduces no - load and load losses, reducing long - term operating costs. The insulation performance is strengthened by high - quality epoxy resin, which can withstand high - voltage impacts and harsh electrical environments, ensuring safe and reliable operation. In terms of heat dissipation design, combined with efficient heat dissipation channels and the good thermal conductivity of epoxy resin, it can quickly dissipate the heat generated during operation, maintain stable internal temperature, and extend the service life of the equipment. In terms of mechanical structure, integral casting gives it high mechanical strength, which can resist vibrations and impacts during transportation, installation, and operation.

Product Classification

By Capacity: Covering various specifications such as 2000KVA, 2500KVA, 3150KVA, 4000KVA, 5000KVA, 6300KVA, 8000KVA, 10000KVA, 12500KVA, 16000KVA, 20000KVA, 25000KVA, etc., meeting the power consumption needs of users of different scales.

By Protection Level: Including IP00, IP20, IP23, etc. IP00 is suitable for clean environments with no risk of foreign matter and water intrusion; IP20 can prevent solid foreign matter larger than 12mm from entering and is suitable for general indoor environments; in addition to the functions of IP20, IP23 can also prevent water spray within an angle of 60 degrees from the vertical line and is suitable for indoor and outdoor environments with certain protection requirements.

After-sales Service

The company provides comprehensive and caring after - sales services. A professional technical team is responsible for installation and commissioning. After arriving at the site, they carefully inspect the environment, construct strictly in accordance with standards and specifications, conduct a comprehensive inspection after installation, and provide operation and maintenance training for users. During daily operation, regularly inspect the equipment to timely detect potential hazards. When the equipment fails, the quick - response mechanism is immediately activated, and professional maintenance personnel promptly arrive at the site for diagnosis and repair, and carefully record the maintenance situation to establish a file. Provide multi - channel technical support, including telephone and network, to answer users' questions at any time, and regularly organize technical training to improve users' operation and maintenance levels. The spare parts warehouse has sufficient reserves and standardized management. With the help of information - based means, it ensures rapid delivery, guaranteeing the quality of spare parts while reasonably controlling costs.

Technical Parameters

35kV SCZ(B)(H)-2000~25000KVA series of OLTC epoxy resin cast dry-type power transformer

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