Fully Sealed High Efficiency Transformer with New Silicon Steel Core ISO9001

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting
• Phase: Three
• Model NO.: S13-M S11-M
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001, CNAS
• Usage: Single-phase Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EE
• Brand: Dongliang
• Color: Grey or Optional
• Iron Core: New Silicon Steel Sheet
• Approval Company: ISO9001&CNAS
• Model Number: S13-M S11-M
• Transport Package: Wooden Case
• Specification: 10-35kv 30-25000kva
• Trademark: dongliang
• Origin: Zhejiang, China
• HS Code: 850421
• Package Size: 225.00cm * 400.00cm * 270.00cm
• Package Gross Weight: 25.000kg

Product Description

Product introduction

Our esteemed three-phase oil-immersed power transformers are meticulously crafted to operate within a rated voltage range of 10-35kV. Masterfully designed for an astounding variety of industries, including petroleum, metallurgy, chemical, textile, and light industry, these transformers provide the ultimate solution. They are engineered to thrive in environments with high dust concentrations, delivering unparalleled performance and exceptional reliability. With these attributes, they consistently meet and exceed the rigorous demands of diverse enterprises, providing nothing short of excellence.
Capacity Range 30-2500kVA

Engineered with precision to achieve peak excellence, our product guarantees high efficiency with minimal energy loss, paired with impressively low noise output. It boasts superior internal heat dissipation capabilities and robust anti-short circuit properties. By minimizing no-load and load loss, this extraordinary transformer ensures dependable operation and promises an extended lifespan. Furthermore, it offers a maintenance-free experience, establishing itself as an indispensable asset for your power solutions.

This state-of-the-art, energy-saving, energy-efficient secondary-class oil-immersed transformer epitomizes our commitment to innovation. By integrating advanced materials and pioneering technologies, in harmony with a blend of independent innovation and technology adoption, we have optimized the core and coil structures. This groundbreaking approach significantly diminishes no-load loss and noise, highlighting the extraordinary results of our self-developed products.

 

Our oil-immersed transformers present a vast array of benefits, including exceptional heat dissipation capabilities that ensure continuous and stable operation. Renowned for their superior insulation and high reliability, these transformers allow effortless voltage adjustments to suit a variety of electrical needs. Their mature technology and cost-effectiveness make them the ideal choice for numerous applications.

Iron Core: Our cutting-edge iron core, crafted from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets, introduces a new era of innovation. This fully oblique jointed iron core, with its multi-stepped section design, guarantees uniformity throughout the iron yoke and core, significantly enhancing efficiency and performance.

Winding: Our meticulously engineered windings feature corrugated oil passages and a no immersion paint process, secured with a tightening belt for increased stability. The concentric coil design includes high-voltage windings with taps for precise voltage adjustments, accessible via a tap changer mounted on the box cover. This allows seamless voltage alterations after power supply interruption, ensuring unmatched adaptability.

Safety Protection Device: Our transformers, ranging from 30 to 2000kVA in capacity, come equipped with essential safety features like a pressure relief valve. Additionally, a gas relay with alarm and trip terminals can be installed per user requirements, amplifying safety and operational reliability.

Apply	Mines, oil fields, subways, power plants, schools, hospitals, commercial centers, high-rise buildings
Installation height	The altitude does exceed 1000m
The waveform of the power supply voltage	similar to a sine wave

Oil Temperature Measuring Device: Each transformer is equipped with a strategically placed glass thermometer in a tube holder atop the oil tank, extending 120±10 mm into the oil. For transformers within the 1000-2000kVA range, an outdoor signal thermometer is included, offering precise and dependable temperature monitoring.

We are a distinguished professional manufacturer with 32 years of profound expertise in electric equipment manufacturing. We specialize in transformers-including both dry-type and oil-immersed models-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our stringent quality control system ensures unparalleled safety and quality, earning us a prestigious reputation both domestically and internationally. Customer satisfaction remains our ultimate goal, and we are committed to providing sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and explore the opportunities for establishing a long-term partnership with us.

Product categories

Company Profile

Founded in 1992, Dongliang Electric Co., Ltd. shines as a beacon of excellence and innovation in the realm of electrical equipment, supported by a robust registered capital of 50 million RMB. With nearly three decades of unmatched expertise, we have emerged as leaders in the groundbreaking design and manufacture of medium voltage (MV) transmission and distribution electrical equipment. Our outstanding product lineup showcases a comprehensive selection of transformers, including dry-type, oil-immersed, machine tool, environmentally-friendly, control, and lighting lamp transformers. This is further enriched by our sophisticated range of voltage stabilizers, voltage regulators, state-of-the-art switchgear, compact substations, advanced frequency converters, and much more. Located in the illustrious 'Electrical Appliance Capital of China'-Yueqing City, Zhejiang Province-our strategic position offers the breathtaking beauty of the East Sea and the Oujiang River to the south, complemented by awe-inspiring national scenic vistas to the north. Firmly committed to our guiding principle of 'quality first, service first,' we drive continuous improvement and innovation with the aim to exceed customer expectations. Our unwavering commitment to achieving 'zero defects, zero complaints' is upheld by a thorough, comprehensive quality control system, ensuring top-tier standards of quality and safety. Celebrated for our outstanding reputation, we are the preferred choice for discerning clients across both domestic and international markets. Your satisfaction remains our enduring ambition, and we are wholeheartedly dedicated to delivering a sincere, attentive, and rewarding service experience. We warmly invite you to visit our factory and embark on a transformative journey toward establishing a lasting partnership.

Company advantage

certificate

 

service

exhibition

Packaging & Shipping

Packing Standard: We meticulously employ robust wooden cases or container protection to ensure your valued product's utmost safety and security, safeguarding it against any transit concerns with precision and care. We uphold the highest standards, ensuring that each item is delivered to you in pristine condition, regardless of the journey.
Q: Who are we?
A: Dongliang Electric Co., Ltd. is a trailblazing leader in the transformer industry, boasting an impressive legacy of 32 years in Professional Transformer Production Experience. Proudly based in Zhejiang, China, we are dedicated to innovation and excellence. Our reputation is built on quality, and our commitment to delivering state-of-the-art solutions is unwavering.
Q: Can your product be customized?
A: We understand the intricacies of varying voltage, frequency, and other unique transformer specifications across diverse countries and regions. Thus, we provide precision-tailored customization to flawlessly meet your specific needs and preferences. Our bespoke solutions ensure that you receive the perfect transformer, designed to enhance efficiency and performance in your specific application.
Q: How about your after-sales service?
A: Our esteemed company offers an exceptional 20-year after-sales quality guarantee, ensuring you enjoy peace of mind with our unparalleled commitment to support and satisfaction. Rest assured that our dedicated team is always ready to assist you, providing comprehensive support throughout the life of your product.
For more questions... Feel free to reach out to us, and you will receive an immediate and attentive response, as we are dedicated to addressing your needs promptly and effectively. Our customer service team is committed to ensuring your inquiries are handled with the utmost professionalism and care.