Powerful Energy-Efficient Transformer with ISO9001 Certification and 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

Unveiling our exceptional three-phase oil-immersed power transformers, which are meticulously engineered to function seamlessly within a rated voltage range of 10-35kV. These transformers are a masterstroke of design, catering to an impressive spectrum of industries, spanning petroleum, metallurgy, chemical, textile, and light industry. They are the epitome of a perfect solution, specifically crafted to excel in environments with elevated dust concentrations, guaranteeing unparalleled performance and unmatched reliability. With these remarkable attributes, they consistently rise to the challenge, meeting and surpassing the stringent demands of diverse enterprises, delivering nothing short of excellence.
Capacity Range 30-2500kVA

Our product, engineered with a precision-driven focus on achieving peak excellence, guarantees superior efficiency with minimal energy loss, complemented by impressively low noise levels. It boasts outstanding internal heat dissipation capabilities and robust anti-short circuit properties. By markedly reducing both no-load and load loss, this transformer ensures dependable operation and promises longevity. Moreover, it provides a maintenance-free experience, positioning itself as a vital asset for your power solutions.

Positioned at the forefront of technology, this state-of-the-art energy-saving, energy-efficient secondary-class oil-immersed transformer is a testament to our unwavering commitment to innovation. By merging pioneering materials with groundbreaking technologies, along with a harmonious blend of independent innovation and technology adoption, we have optimized the core and coil structures. This revolutionary approach significantly reduces no-load loss and noise, underscoring the extraordinary outcomes of our self-developed products.

 

Oil-immersed transformers offer a wealth of benefits, including superior heat dissipation capabilities that ensure continuous and stable operation. Known for their exceptional insulation and high reliability, these transformers facilitate effortless voltage adjustments to accommodate a variety of electrical requirements. Their mature technology and cost-effectiveness render them the ideal choice for a multitude of applications.

Iron Core: Our state-of-the-art 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, featuring a multi-stepped section design, ensures uniformity throughout the iron yoke and core, significantly enhancing efficiency and performance.

Winding: Our meticulously engineered windings are equipped with corrugated oil passages and employ a no immersion paint process, secured with a tightening belt for enhanced stability. The concentric coil design incorporates high-voltage windings with taps for precise voltage adjustments, accessible via a tap changer mounted on the box cover. This enables seamless voltage alterations following a power supply interruption, ensuring unmatched adaptability.

Safety Protection Device: Our transformers, with capacities ranging from 30 to 2000kVA, are equipped with 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 outfitted 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, providing precise and dependable temperature monitoring.

We are a distinguished professional manufacturer with 32 years of profound expertise in the realm of electric equipment manufacturing. Our specialization encompasses transformers-including both dry-type and oil-immersed models-voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and beyond. Our stringent quality control system guarantees unmatched safety and quality, earning us a prestigious reputation both domestically and internationally. Customer satisfaction remains our ultimate goal, and we are steadfastly dedicated to providing sincere, meticulous, and satisfactory services. We wholeheartedly invite you to visit our facility and explore the prospects for establishing a long-term partnership with us.

Product categories

Company Profile

Established in the year 1992, Dongliang Electric Co., Ltd. has emerged as a luminous beacon of excellence and pioneering innovation within the electrical equipment industry. Anchored by an impressive registered capital of 50 million RMB and boasting nearly three decades of unparalleled expertise, we have solidified our position as trailblazers in the innovative design and manufacturing of medium voltage (MV) transmission and distribution electrical equipment. Our flagship offerings proudly present a holistic array of transformers, encompassing everything from dry-type to oil-immersed, machine tool to eco-friendly, and control to lighting lamp transformers. This expansive selection is further complemented by our specialized range of voltage stabilizers, meticulous voltage regulators, advanced switchgear, compact substations, and cutting-edge frequency converters. Situated in the esteemed 'Electrical Appliance Capital of China', Yueqing City, Zhejiang Province, our strategic location is graced not only by the enchanting beauty of the East Sea and the Oujiang River to the south but also by the breathtaking national scenic vistas to the north. We are unwavering in our dedication to 'quality first, service first,' consistently pushing the boundaries of continuous improvement and innovation with the aim of surpassing customer expectations. Our relentless pursuit of 'zero defects, zero complaints' is reinforced by a comprehensive, rigorous quality control system, ensuring the utmost standards of quality and safety. With a sterling reputation, we have become the preferred partner for discerning clients, both domestically and internationally. Your satisfaction is our perpetual aspiration, and we are committed to delivering a sincere, attentive, and rewarding service. We warmly invite you to visit our factory and eagerly anticipate the opportunity to embark on a journey toward cultivating a lasting partnership.

Company advantage

certificate

 

service

exhibition

Packaging & Shipping

Packing Standard: In our relentless pursuit of unrivaled protection, we meticulously utilize top-tier wooden cases or secure container methods. This guarantees the supreme safety of your treasured products during transit, delivering them to your doorstep in pristine condition, with meticulous precision and unwavering care.
Q: Who are we?
A: Dongliang Electric Co., Ltd. is a trailblazer in the transformer industry, boasting an awe-inspiring 32 years of Professional Transformer Production Experience. Nestled in the vibrant region of Zhejiang, China, we are passionately devoted to pioneering innovation and steadfast excellence.
Q: Can your product be customized?
A: We understand the intricate demands of global voltage, frequency, and transformer specifications. Hence, we offer expertly crafted, precision-tailored customization that seamlessly adapts to your specific needs, ensuring your complete satisfaction.
Q: How about your after-sales service?
A: Our esteemed organization proudly offers an unmatched 20-year after-sales quality guarantee. This commitment provides you with unwavering peace of mind, backed by our relentless dedication to exceptional support and customer satisfaction.
For more questions... Do not hesitate to contact us. We pledge to provide you with an immediate, attentive response, as we are wholeheartedly committed to addressing your needs with unparalleled promptness and effectiveness.