Low Loss Fully Sealed Transformer with ISO9001 Approval and High Efficiency

• 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

Introducing our esteemed three-phase oil-immersed power transformers, engineered with a meticulous design and a rated voltage spectrum of 10-35kV. These transformers are the epitome of reliability and performance, crafted to be the perfect solution across a multitude of dynamic industries such as petroleum, metallurgy, chemical, textile, and light industry sectors. They thrive in challenging environments with high dust concentrations, delivering unrivaled efficiency and dependability, thus meeting and exceeding the rigorous demands of enterprises across the globe.
Capacity Range 30-2500kVA

Engineered for unparalleled performance, our product epitomizes high efficiency, ensuring minimal energy loss and impressively low noise levels. It boasts exceptional internal heat dissipation and robust anti-short circuit capabilities. The transformer exhibits minimal no-load and load loss, guaranteeing reliable operation, an extended lifespan, and a maintenance-free experience, making it an indispensable asset for your power solutions, enhancing operational excellence.

This state-of-the-art secondary-class oil-immersed transformer stands as a testament to our unwavering commitment to innovation and energy efficiency. Through the integration of advanced materials and pioneering technologies, we have revolutionized the core and coil structures by blending independent innovation with technology adoption. This transformative advancement significantly reduces no-load loss and noise, attesting to the impressive results of our groundbreaking developments.

 

Oil-immersed transformers present a multitude of advantages, including superior heat dissipation capabilities that ensure consistent and stable operation. Celebrated for their remarkable insulation and high reliability, these transformers enable effortless voltage adjustments to meet diverse electrical requirements. Their mature technology and cost-effectiveness make them the premier choice for a wide variety of applications, ensuring optimal performance and value.

Iron Core: Our cutting-edge iron core, crafted with precision from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets, heralds a new era of innovation. This full oblique jointed iron core features a multi-stepped section design, ensuring uniformity across the iron yoke and the core itself, significantly enhancing both efficiency and overall performance, setting new standards in transformer technology.

Winding: Our expertly crafted windings incorporate innovative corrugated oil passages and a no immersion paint process, meticulously secured with a tightening belt to enhance stability. The concentric coil design features high-voltage windings with taps for precise voltage adjustments, accessible via a tap changer mounted on the box cover, allowing for seamless and precise voltage changes after a power supply interruption, ensuring continuous operational efficiency.

Safety Protection Device: Our transformers, with a capacity range spanning 30-2000kVA, are equipped with crucial safety features such as a pressure relief valve. Furthermore, a gas relay with alarm and trip terminals can be installed based on user requirements, significantly enhancing safety and operational integrity. This comprehensive safety suite ensures peace of mind and unwavering reliability in all operational scenarios.

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 outfitted with a glass thermometer encased in a tube holder, strategically positioned atop the oil tank, extending 120±10 mm into the oil. For transformers within the 1000-2000kVA range, an outdoor signal thermometer is included, ensuring precise and reliable temperature monitoring, thus safeguarding the equipment and ensuring optimal performance.

We are a distinguished professional manufacturer with 32 years of extensive expertise in the manufacturing of electric equipment, specializing in transformers-including both dry-type and oil-immersed models-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our rigorous quality control system guarantees exceptional safety and quality, earning us a prestigious reputation domestically and internationally. Customer satisfaction is our ultimate objective, and we remain steadfast in our commitment to delivering sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and explore the potential for a long-lasting partnership with us, as we navigate the future of electric innovations together.

Product categories

Company Profile

Established in the vibrant year of 1992, Dongliang Electric Co., Ltd. stands tall with an impressive registered capital of 50 million RMB, proudly showcasing nearly three decades of unparalleled expertise in the manufacturing of medium voltage (MV) transmission and distribution electrical solutions. Our specialization encompasses a wide array of transformers including dry-type, oil-immersed, machine tool, environmentally-friendly, control, and lighting lamp transformers, along with top-of-the-line voltage stabilizers, voltage regulators, cutting-edge switchgear, compact substations, frequency converters, and diverse electrical equipment. Situated prestigiously in Yueqing City, Zhejiang Province-revered as the 'Electrical Appliance Capital of China'-our prime location provides enchanting views of the East Sea and the Oujiang River to the south, complemented by breathtaking national scenic vistas stretching to the north. Upholding the steadfast principles of 'quality first, service first,' we are committed to relentless improvement and innovation to consistently surpass customer expectations. Our goal of 'zero defects, zero complaints' is achieved through a robust and meticulous quality control system, ensuring supreme quality and safety standards. Celebrated for our outstanding reputation in the industry, we are honored to be the trusted choice for discerning clients both domestically and internationally. Your satisfaction fuels our passion, and we are dedicated to providing sincere, thoughtful, and exceptional service. We warmly welcome you to visit our factory, hoping to foster a lasting partnership with you.

Company advantage

certificate

 

service

exhibition

Packaging & Shipping

Packing Standard: We meticulously employ robust wooden cases or container protection to ensure the utmost safety and security of your valued product.
Q: Who are we?
A: Dongliang Electric Co., Ltd. stands as a pioneering transformer company with an impressive 32 years of Professional Transformer Production Experience, proudly headquartered in Zhejiang, China.
Q: Can your product be customized?
A: Understanding the nuances of voltage, frequency, and other unique transformer specifications across various countries and regions, we offer tailored customization to perfectly suit your specific requirements.
Q: How about your after-sales service?
A: Our esteemed company is proud to offer a 20-year after-sales quality guarantee, providing you with unparalleled peace of mind.
For more questions... Feel free to reach out to us, and you will receive an immediate, attentive response.