High Efficiency ISO9001 Transformer with Advanced Silicon Steel Core Design

• 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, crafted with a rated voltage range of 10-35kV, are the ultimate solution for an extensive spectrum of industries, including petroleum, metallurgy, chemical, textile, and light industry. Designed to excel in environments with high dust concentrations, these transformers deliver unparalleled performance and exceptional reliability, adeptly meeting the rigorous demands of various enterprises with excellence.
Capacity Range 30-2500kVA

Expertly engineered for peak performance, our product ensures high efficiency with minimal energy loss and impressively low noise output. It boasts superior internal heat dissipation capabilities and robust anti-short circuit properties. With reduced no-load and load loss, this transformer promises reliable operation, an extended lifespan, and a maintenance-free experience, establishing it as an essential asset for your power solutions.

This state-of-the-art energy-saving, energy-efficient secondary-class oil-immersed transformer embodies our dedication to innovation. By incorporating advanced materials and pioneering technologies, alongside a harmonious blend of independent innovation and technology adoption, we have optimized the core and coil structures. This breakthrough significantly reduces no-load loss and noise, showcasing the remarkable outcomes of our self-developed products.

 

Oil-immersed transformers present a vast array of benefits, including superior heat dissipation capabilities that ensure continuous and stable operation. Celebrated for their excellent insulation and high reliability, these transformers offer effortless voltage adjustments to cater to diverse electrical needs. Their mature technology and cost-efficiency render them the perfect choice for a multitude of applications.

Iron Core: Our state-of-the-art iron core, constructed from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets, heralds a new era of innovation. This fully oblique jointed iron core, with its multi-stepped section design, ensures uniformity throughout the iron yoke and core, substantially enhancing efficiency and performance.

Winding: Our intricately designed windings feature corrugated oil passages and a no immersion paint process, secured with a tightening belt for heightened 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, allowing seamless voltage alterations post power supply interruption.

Safety Protection Device: Our transformers, with a capacity range of 30-2000kVA, are equipped with vital safety features such as a pressure relief valve. Additionally, a gas relay with alarm and trip terminals can be installed based on user requirements, enhancing safety and operational fidelity.

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 endowed with a glass thermometer in a tube holder, strategically placed 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 trustworthy temperature monitoring.

We are a distinguished professional manufacturer with 32 years of profound expertise in electric equipment manufacturing, specializing in transformers (both dry-type and oil-immersed models), voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our rigorous quality control system ensures exceptional safety and quality, earning us a prestigious reputation both domestically and internationally. Customer satisfaction is our ultimate goal, and we are dedicated to delivering sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and establish a long-term partnership with us.

Product categories

Company Profile

With an impressive legacy beginning in 1992 and a substantial registered capital of 50 million RMB, Dongliang Electric Co., Ltd. stands as a beacon of excellence in the realm of medium voltage (MV) transmission and distribution electrical equipment. With nearly three decades of unparalleled expertise, we excel in the design and manufacture of a breathtaking variety of transformers. Our extensive portfolio boasts dry-type, oil-immersed, machine tool, environmentally-conscious, control, and lighting lamp transformers, alongside precision-engineered voltage stabilizers and regulators, state-of-the-art switchgear, space-efficient compact substations, and pioneering frequency converters, among other advanced electrical equipment. Located in the prestigious 'Electrical Appliance Capital of China' - Yueqing City, Zhejiang Province - our strategic position offers the serene beauty of the East Sea and Oujiang River to the south, and the awe-inspiring national scenic landscapes to the north. Adhering to our steadfast principles of 'quality first, service first,' we are relentless in our pursuit of advancement and innovation, perpetually surpassing customer expectations. Our commitment to 'zero defects, zero complaints' is embodied in a stringent and all-encompassing quality control system that guarantees exceptional quality and safety. Renowned for our impeccable reputation, we are the preferred choice for astute domestic and international clients. Your satisfaction is our unwavering pursuit, and we are committed to providing sincere, attentive, and rewarding service. We warmly welcome you to visit our factory and initiate a journey towards building a lasting partnership with us.

Company advantage

certificate

 

service

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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.