Fully Sealed High Efficiency Transformer with 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

Unveiling our unparalleled three-phase oil-immersed power transformers, meticulously crafted to operate seamlessly within a rated voltage range of 10-35kV. These transformers are a marvel of design, serving a broad spectrum of industries such as petroleum, metallurgy, chemical, textile, and light industry. They are the epitome of a perfect solution, expertly engineered to thrive in high-dust environments, ensuring exceptional performance and unwavering reliability. Our transformers consistently meet the rigorous demands of various enterprises, delivering excellence and exceeding expectations.
Capacity Range 30-2500kVA

Our product, crafted with precision to achieve peak excellence, assures superior efficiency with minimal energy loss and impressively low noise levels. With outstanding internal heat dissipation and robust anti-short circuit properties, this transformer ensures reliable operation and longevity. It significantly reduces both no-load and load loss, offering a maintenance-free experience and positioning itself as an indispensable asset for your power solutions.

Leading the charge in technology, this advanced energy-saving, energy-efficient secondary-class oil-immersed transformer showcases our relentless commitment to innovation. By integrating cutting-edge materials with groundbreaking technologies, along with a harmonious blend of independent innovation and technology adoption, we have optimized core and coil structures. This revolutionary approach significantly reduces no-load loss and noise, highlighting the extraordinary outcomes of our self-developed products.

 

Oil-immersed transformers provide a wealth of advantages, including superior heat dissipation capabilities, ensuring continuous and stable operation. Renowned for their exceptional insulation and high reliability, these transformers facilitate effortless voltage adjustments to meet diverse electrical needs. Their mature technology and cost-effectiveness make them the ideal choice for a multitude of applications.

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

Winding: Our expertly engineered windings come with corrugated oil passages and a no immersion paint process, secured with a tightening belt for enhanced 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, enabling seamless voltage alterations following a power supply interruption for unmatched adaptability.

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

We are a distinguished professional manufacturer with 32 years of profound expertise in electric equipment manufacturing. Our specialization includes transformers-both dry-type and oil-immersed models-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our stringent quality control system guarantees unmatched safety and quality, earning us a prestigious reputation globally. Customer satisfaction remains our ultimate goal, and we are unwaveringly dedicated to providing sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and explore the potential for 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 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. stands as a pioneering force in the transformer industry, with an impressive 32-year legacy of Professional Transformer Production Experience. Situated in Zhejiang, China, we are unwaveringly committed to innovation and excellence.
Q: Can your product be customized?
A: We comprehend the complexities of diverse voltage, frequency, and transformer specifications worldwide. Therefore, we offer precision-tailored customization to perfectly align with your unique needs and preferences.
Q: How about your after-sales service?
A: Our esteemed company provides an exceptional 20-year after-sales quality guarantee. This ensures you peace of mind through our unparalleled dedication to support and satisfaction.
For more questions... Feel free to reach out to us. You will receive an immediate and attentive response, as we are devoted to addressing your needs promptly and effectively.