ISO9001 Approved High Efficiency Transformer with New Silicon Steel Core

• 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 precision and a rated voltage range of 10-35kV, stand as the ultimate solution for a myriad of industries. Perfectly engineered to thrive in sectors such as petroleum, metallurgy, chemical, textile, and light industry, these transformers are the epitome of reliability and performance. Designed to excel in environments laden with high dust concentrations, they meet and surpass the rigorous demands of various enterprises, providing an unmatched level of operational excellence.
Capacity Range 30-2500kVA

Expertly crafted for unparalleled excellence, our product delivers remarkable energy efficiency, dramatically reduced energy loss, and impressively low noise levels. It boasts exceptional internal heat dissipation and robust anti-short circuit capabilities. With minimization of both no-load and load loss, this transformer assures you of dependable operation, an extended lifespan, and a maintenance-free experience. Truly an indispensable asset for all your power solution needs, it promises lasting value and reliability.

This state-of-the-art energy-saving, high-efficiency secondary-class oil-immersed transformer epitomizes our unwavering commitment to innovation. By incorporating the highest quality materials and pioneering technologies, we merge independent innovation with strategic technology adoption to optimize and revolutionize the core and coil structures. This significant advancement not only reduces no-load loss and noise but also exhibits the impressive results of our meticulously self-developed products, setting new benchmarks in the industry.

 

Oil-immersed transformers come with a plethora of advantages, including exceptional heat dissipation capabilities that guarantee consistent and stable operation. Celebrated for their excellent insulation and high reliability, these transformers enable effortless voltage adjustments to address a wide range of electrical requirements. Their mature technology, combined with cost-effectiveness, positions them as the ideal choice for numerous applications, ensuring performance consistency and operational brilliance across diverse usage scenarios.

Iron Core: Our revolutionary iron core, crafted from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets, heralds a new era of innovation. This fully oblique jointed iron core features a sophisticated multi-stepped section design, ensuring uniformity across the iron yoke and the core itself. This design significantly boosts efficiency and performance, placing us at the forefront of technological advancement and product excellence.

Winding: Our meticulously engineered windings include innovative corrugated oil passages and a paint-free process, firmly secured with a tightening belt for enhanced stability. The concentric coil design incorporates high-voltage windings with taps for precise voltage adjustments, easily accessed via a tap changer mounted on the box cover. This allows for seamless and efficient voltage changes even after power supply interruption, ensuring optimal performance and adaptability.

Safety Protection Device: Our transformers, offering a capacity range of 30-2000kVA, are equipped with vital safety features such as a pressure relief valve. A gas relay, with alarm and trip terminals, can also be installed according to user preferences, further enhancing safety and operational integrity. This ensures peace of mind and secure operation, reflecting our dedication to safeguarding your valuable assets.

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: Every transformer is equipped with a precision glass thermometer housed in a tube holder, strategically positioned atop the oil tank and extending 120±10 mm into the oil. For transformers ranging from 1000-2000kVA, an outdoor signal thermometer is included, providing accurate and reliable temperature monitoring. This feature ensures optimal performance through precise temperature control, underlining our commitment to excellence and reliability.

We are a distinguished professional manufacturer with 32 years of profound expertise in electric equipment manufacturing, specializing in a comprehensive range of transformers (including both dry-type and oil-immersed models), voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our rigorous quality control system ensures unmatched safety and quality, earning us a prestigious reputation both domestically and on the international stage. Customer satisfaction remains our ultimate goal, and we are dedicated to delivering sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and forge a long-lasting partnership with us, as we embark on a journey of innovation and excellence together.

Product categories

Company Profile

Founded in 1992, with an impressive registered capital of 50 million RMB, Dongliang Electric Co., Ltd. stands as a beacon of excellence, boasting nearly three decades of unparalleled expertise in the manufacture of medium voltage (MV) transmission and distribution electrical equipment. We proudly specialize in the intricate design and production of an extensive array of transformers, including dry-type, oil-immersed, machine tool, environmentally-friendly, control, and lighting lamp transformers. Moreover, our expansive product line extends to voltage stabilizers, voltage regulators, switchgear, compact substations, frequency converters, and an array of other advanced electrical equipment. Situated in the illustrious heart of the "Electrical Appliance Capital of China" - Yueqing City, Zhejiang Province - our strategic location is blessed with the serene beauty of the East Sea and Oujiang River to the south and the breathtaking national scenic vistas to the north. Rooted in our steadfast commitment to the principles of 'quality first, service first,' we relentlessly strive for perpetual improvement and groundbreaking innovation to consistently surpass customer expectations. Our relentless pursuit of 'zero defects, zero complaints' is exemplified through our rigorous, all-encompassing quality control system, ensuring unmatched quality and safety. Renowned for our stellar reputation within the industry, we are the preferred choice of discerning clients both domestically and internationally. Your satisfaction is our unwavering ambition; we are wholeheartedly dedicated to providing sincere, thoughtful, and delightful service. We extend a warm invitation to visit our factory and embark on a partnership of lasting significance with us.

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.