High Efficiency Transformer with New Silicon Steel Core ISO9001 Approval

• 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

Discover our extraordinary three-phase oil-immersed power transformers, expertly crafted to operate seamlessly within a rated voltage range of 10-35kV. These transformers represent a pinnacle of design, serving an extensive range of industries including petroleum, metallurgy, chemical, textile, and light industry. They are the ultimate solution, tailor-made to excel in environments with high dust concentrations, ensuring unrivaled performance and reliability. With these exceptional qualities, they consistently rise to the occasion, meeting and exceeding the stringent demands of diverse enterprises, delivering nothing less than excellence.
Capacity Range 30-2500kVA

Our product is engineered with meticulous precision, ensuring superior efficiency with minimal energy loss and remarkably low noise levels. It features outstanding heat dissipation and robust anti-short circuit properties. By significantly reducing both no-load and load loss, this transformer guarantees reliable operation and promises longevity. Moreover, it offers a maintenance-free experience, positioning itself as an indispensable asset in your power solutions arsenal.

Leading the frontier of technology, this cutting-edge energy-saving, energy-efficient secondary-class oil-immersed transformer exemplifies our unwavering dedication to innovation. By integrating pioneering materials with revolutionary technologies, alongside a seamless blend of independent innovation and technology adoption, we have optimized the core and coil structures. This groundbreaking approach significantly reduces no-load loss and noise, showcasing the remarkable results of our self-developed products.

 

Oil-immersed transformers boast numerous benefits, including superior heat dissipation capabilities that ensure continuous and stable operation. Known for their exceptional insulation and high reliability, these transformers facilitate easy voltage adjustments to meet various electrical needs. Their mature technology and cost-effectiveness make them the ideal choice for a wide range of applications.

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

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

Safety Protection Device: Our transformers, with capacities ranging from 30 to 2000kVA, are equipped with essential safety features such as a pressure relief valve. Additionally, a gas relay with alarm and trip terminals can be installed according to user specifications, enhancing 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, providing precise and reliable temperature monitoring.

We are a renowned professional manufacturer with 32 years of profound expertise in the field of electric equipment manufacturing. Our specialization spans 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 is 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 potential for establishing a long-term partnership with us.

Product categories

Company Profile

Founded in 1992, Dongliang Electric Co., Ltd. stands as a shining beacon of excellence and innovation in the electrical equipment industry, fortified by an impressive registered capital of 50 million RMB. With nearly three decades of unmatched expertise, we have established ourselves as leaders in the innovative design and manufacture of medium voltage (MV) transmission and distribution electrical equipment. Our flagship products proudly showcase a comprehensive lineup of transformers: from dry-type to oil-immersed, machine tool to environmentally-friendly, control to lighting lamp transformers. This is further enriched by our specialized range of voltage stabilizers, voltage regulators, sophisticated switchgear, compact substations, and pioneering frequency converters. Nestled in the prestigious 'Electrical Appliance Capital of China', Yueqing City, Zhejiang Province, our prime location offers not only the picturesque beauty of the East Sea and the Oujiang River to the south, but also awe-inspiring national scenic vistas to the north. We are steadfast in our commitment to 'quality first, service first,' relentlessly driving continuous improvement and innovation with the intent to exceed customer expectations. Our unwavering pursuit of 'zero defects, zero complaints' is reinforced by a rigorous, comprehensive quality control system, guaranteeing the highest standards of quality and safety. Renowned for our stellar reputation, we have become the preferred choice for discerning clients, both domestically and internationally. Your satisfaction is our perpetual ambition, and we are dedicated to providing a sincere, attentive, and fulfilling service. We warmly invite you to visit our factory and look forward to embarking on a journey toward forging a lasting partnership.

Company advantage

certificate

 

service

exhibition

Packaging & Shipping

Packing Standard: We meticulously employ robust wooden cases and reliable container protection, ensuring your valued product's utmost safety and security. This meticulous packaging is crafted to safeguard against any transit concerns, delivering your product with precision, care, and peace of mind.
Q: Who are we?
A: Dongliang Electric Co., Ltd. is a distinguished leader and pioneering force in the transformer industry. With an impressive legacy spanning over 32 years of Professional Transformer Production Experience, we are based in the vibrant region of Zhejiang, China. Our unwavering commitment to innovation and excellence fuels our mission to deliver cutting-edge solutions.
Q: Can your product be customized?
A: Understanding the intricate complexities of diverse global voltage, frequency, and transformer specifications, we offer expertly tailored customization options. Our precision-driven approach ensures that every product perfectly aligns with your unique needs and preferences, creating a seamless fit for your requirements.
Q: How about your after-sales service?
A: Our esteemed company is proud to offer an exceptional 20-year after-sales quality guarantee. This comprehensive assurance provides you with peace of mind, reflecting our unparalleled dedication to outstanding support and total customer satisfaction.
For more questions... Feel free to reach out to us. You will receive an immediate and attentive response as we are passionately devoted to addressing your needs with promptness and efficacy.