ISO9001 Approved Low Loss Transformer with New 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, designed with a rated voltage range of 10-35kV, are the optimal solution for a diverse array of industries, including petroleum, metallurgy, chemical, textile, and light industry. These transformers excel in environments with high dust concentrations, offering unparalleled performance and reliability to meet the stringent demands of various enterprises.
Capacity Range 30-2500kVA

Crafted for superior excellence, our product delivers high efficiency, minimal energy loss, and impressively low noise levels. It features outstanding internal heat dissipation and formidable anti-short circuit capabilities. With minimal no-load and load loss, this transformer guarantees dependable operation, a prolonged lifespan, and a maintenance-free experience, making it an indispensable asset for your power solutions.

Our state-of-the-art energy-saving, energy-efficient secondary-class oil-immersed transformer stands as a testament to our unwavering commitment to innovation. By integrating advanced materials, pioneering technologies, and a blend of independent innovation with strategic technology adoption, we have expertly optimized and transformed the core and coil structures. This significant advancement drastically reduces no-load loss and noise, showcasing the remarkable outcomes of our self-developed products.

 

Oil-immersed transformers offer a wide array of advantages, including superior heat dissipation capabilities that ensure consistent and stable operation. Renowned for their excellent insulation and high reliability, these transformers provide effortless voltage adjustments to accommodate diverse electrical needs. Their mature technology and cost-effectiveness make them an ideal choice for a multitude of applications.

Iron Core: Our cutting-edge iron core, crafted from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets, represents a new era of innovation. This full oblique jointed iron core features a multi-stepped section design, ensuring uniformity throughout the iron yoke and the core itself, significantly boosting efficiency and performance.

Winding: Our meticulously designed windings incorporate corrugated oil passages and a no immersion paint process, secured with a tightening belt for enhanced 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 voltage changes post power supply interruption.

Safety Protection Device: Our transformers, spanning a capacity range of 30-2000kVA, come 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 integrity.

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 glass thermometer in a tube holder, strategically placed atop the oil tank, extending 120±10 mm into the oil. For transformers in the 1000-2000kVA range, an outdoor signal thermometer is included, offering precise and reliable temperature monitoring.

We are a distinguished professional manufacturer with 32 years of extensive expertise in electric equipment manufacturing, 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 both domestically and internationally. Customer satisfaction is our ultimate objective, and we are committed to delivering sincere, meticulous, and satisfactory services. We cordially invite you to visit our facility and establish a long-lasting partnership with us.

Product categories

Company Profile

Established in the year 1992 with a substantial registered capital of 50 million RMB, Dongliang Electric Co., Ltd. is a beacon of excellence, celebrating nearly three decades of unparalleled expertise in the manufacturing of medium voltage (MV) transmission and distribution electrical equipment. Our rich portfolio includes a diverse array of transformers, such as dry-type, oil-immersed, machine tool, eco-friendly, control, and lighting lamp transformers. Additionally, we specialize in voltage stabilizers, voltage regulators, switchgear, compact substations, frequency converters, and an assortment of other electrical apparatus. Strategically positioned in Yueqing City, Zhejiang Province-famously dubbed the 'Electrical Appliance Capital of China'-our location is embraced by the enchanting East Sea and the serene Oujiang River to the south, with awe-inspiring national scenic views to the north, offering a perfect symbiosis of nature and innovation. Guided by our steadfast commitment to 'quality first, service first,' we are on an unrelenting quest for innovation and continuous improvement, always striving to surpass customer expectations. Our philosophy of 'zero defects, zero complaints' is exemplified in our meticulous and exhaustive quality control system, guaranteeing unparalleled quality and safety. Celebrated for our stellar reputation within the industry, we stand as the preferred choice for discerning clients both locally and internationally. Your satisfaction remains our ultimate ambition, and we are devoted to providing sincere, thoughtful, and rewarding service. We extend a warm invitation to visit our factory, where we aspire to cultivate 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.