High Efficiency Transformer with ISO9001 Certification and Low Loss 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

Introducing our esteemed three-phase oil-immersed power transformers, meticulously crafted to operate within a substantial rated voltage range of 10-35kV. Designed with mastery for a diverse array of industries-including petroleum, metallurgy, chemical, textile, and light industry-these transformers offer the ultimate solution for your power needs. Engineered to excel in environments with high dust concentrations, they deliver unparalleled performance and exceptional reliability. With these attributes, they consistently meet and surpass the rigorous demands of diverse enterprises, offering nothing short of excellence and ensuring your operations run smoothly and efficiently.
Capacity Range 30-2500kVA

Engineered with precision for peak excellence, our product guarantees high efficiency with minimal energy loss and impressively low noise output. Featuring superior internal heat dissipation capabilities and robust anti-short circuit properties, our transformer reduces no-load and load loss to ensure reliable operation and promises an extended lifespan. Offering a maintenance-free experience, it establishes itself as an indispensable asset for your comprehensive power solutions, enabling you to focus on what matters most-your core business.

This state-of-the-art, energy-saving, and energy-efficient secondary-class oil-immersed transformer epitomizes our unwavering commitment to innovation. By integrating advanced materials and pioneering technologies, along 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, showcasing the extraordinary results of our self-developed products and reiterating our position at the forefront of the industry.

 

Oil-immersed transformers offer 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, providing you with a dependable and versatile power solution tailored to your specific requirements.

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 a multi-stepped section design, guarantees uniformity throughout the iron yoke and core, significantly enhancing efficiency and performance, and propelling your operations to new heights of excellence.

Winding: Our meticulously engineered windings are designed with 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 and maintaining optimal performance across various conditions.

Safety Protection Device: Our transformers, with capacities ranging from 30 to 2000kVA, come equipped with essential safety features like 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. These measures ensure that our transformers provide not only exceptional performance but also maximum protection for your peace of mind.

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. This ensures that you have accurate, real-time data at your fingertips, enabling effective management of your power systems.

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, embarking on a journey of mutual growth and success.

Product categories

Company Profile

Established in 1992, Dongliang Electric Co., Ltd. proudly shines as a standard of excellence in the electrical equipment sector, boasting an exceptional registered capital of 50 million RMB. With almost three decades of unmatched expertise, we are at the forefront of innovative design and manufacturing in the medium voltage (MV) transmission and distribution electrical equipment arena. Our premier product lineup boasts an impressive range of transformers, including dry-type, oil-immersed, machine tool, environmentally-friendly, control, and lighting lamp models. Further enriching our offerings are precision-crafted voltage stabilizers, voltage regulators, advanced switchgear, state-of-the-art compact substations, and pioneering frequency converters, among others. Nestled in the esteemed 'Electrical Appliance Capital of China,' Yueqing City, Zhejiang Province, our strategic location offers the stunning panorama of the East Sea and the Oujiang River to the south, paired with breathtaking national scenic landscapes to the north. Upholding the ethos of 'quality first, service first,' we drive continuous innovation and improvement to surpass customer expectations. Our unwavering pursuit of 'zero defects, zero complaints' is supported by a stringent, all-encompassing quality control system, assuring supreme standards of quality and safety. Celebrated for our outstanding reputation, we are the preferred partner for discerning clients worldwide, both domestically and internationally. Your satisfaction is our unwavering goal, and we are committed to delivering warm, attentive, and rewarding service. We extend a heartfelt invitation for you to visit our factory and set out on a journey to establish a long-term partnership with us.

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. Our packaging solutions are designed to guarantee the pristine condition of your product upon arrival.
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. Our commitment has solidified our reputation as pioneers in transformer technology.
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. Our bespoke solutions are crafted to seamlessly integrate with your existing systems, ensuring optimal performance.
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. This long-term assurance reflects our dedication to customer happiness and product reliability.
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. Our team is ready to provide you with all the information and assistance you require.