High Efficiency Energy-Saving Transformer with ISO9001 Certification for Excellence

• 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 to serve an astounding variety of industries, including petroleum, metallurgy, chemical, textile, and light industry, these transformers provide the ultimate solution. They are expertly 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, offering nothing short of excellence in every application.
Capacity Range 30-2500kVA

Engineered with precision for peak excellence, our product guarantees high efficiency with minimal energy loss, coupled with impressively low noise output. It features superior internal heat dissipation capabilities and robust anti-short circuit properties. By expertly reducing no-load and load loss, this transformer ensures reliable operation and promises an extended lifespan. Additionally, it offers a seamless, 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 unwavering commitment to innovation. By masterfully integrating advanced materials and pioneering technologies, together with a harmonious 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, underscoring the extraordinary results of our self-developed products.

 

Oil-immersed transformers bring a vast array of benefits, including superior heat dissipation capabilities that ensure continuous and stable operation. Renowned for their exceptional 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, ushers in 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 at home and abroad. 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. proudly shines as a beacon of excellence and innovation in the electrical equipment industry. With an impressive registered capital of 50 million RMB, our nearly 30 years of groundbreaking expertise position us as trailblazers in the cutting-edge design and manufacture of medium voltage (MV) transmission and distribution electrical equipment. Our distinguished lineup of flagship products encompasses an extensive variety of transformers including dry-type, oil-immersed, machine tool, environmentally-friendly, control, and lighting lamp transformers. We further enhance our portfolio with advanced voltage stabilizers, voltage regulators, sophisticated switchgear, compact substations, and state-of-the-art frequency converters, among other high-tech offerings. Perfectly located in the celebrated 'Electrical Appliance Capital of China'-Yueqing City, Zhejiang Province-our strategic position is graced by the breathtaking beauty of the East Sea and the Oujiang River to the south, complemented by stunning national scenic locations to the north. Our unwavering commitment to 'quality first, service first' propels us toward continuous enhancement and innovation, constantly striving to exceed customer anticipations. We pursue 'zero defects, zero complaints' with a stringent and comprehensive quality control system, upholding the highest standards of quality and safety. Our esteemed reputation stands testament to our status as the preferred choice for discerning clients, both within China and across the globe. Your satisfaction remains our steadfast ambition, and we are devoted to delivering an authentic, attentive, and enriching service experience. We extend a warm invitation to you to visit our factory and embark on the path to 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.
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.
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.
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.
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.