Fully Sealed Energy-Efficient Transformer with ISO9001 Approval and Grey Color

• 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

Step into the realm of superior electrical solutions with our esteemed three-phase oil-immersed power transformers. Designed with a rated voltage range of 10-35kV, these transformers stand as the pinnacle of innovation and reliability across a wide spectrum of industries. From petroleum and metallurgy to chemical, textile, and light industry applications, they are crafted to excel even in environments with high dust concentrations. Offering unparalleled performance, they meet and exceed the stringent demands of various enterprises, ensuring your operations run smoothly and efficiently.
Capacity Range 30-2500kVA

Fashioned with an unwavering commitment to excellence, our product transcends traditional expectations by delivering remarkable efficiency and minimal energy loss. It operates with impressively low noise levels and features exceptional internal heat dissipation and robust anti-short circuit capabilities. By minimizing both no-load and load loss, this transformer assures dependable operation over an extended lifespan, all while offering a maintenance-free experience. It stands as an indispensable asset for your power solutions, redefining reliability and performance.

This revolutionary energy-saving, energy-efficient secondary-class oil-immersed transformer embodies our relentless pursuit of innovation. Through the integration of advanced materials and cutting-edge technologies, alongside a seamless blend of independent innovation and technology adoption, we have redefined the core and coil structures. This breakthrough significantly reduces no-load loss and noise, showcasing the remarkable results of our self-developed products and our unwavering commitment to progress.

 

Oil-immersed transformers are celebrated for their myriad advantages, including superior heat dissipation capabilities that ensure consistent and stable operation. Known for their exemplary insulation and high reliability, these transformers provide seamless voltage adjustments to cater to diverse electrical requirements. Their mature technology coupled with cost-effectiveness positions them as the ideal choice for a vast array of applications, making them a trusted cornerstone of electrical infrastructure.

Iron Core: Heralding a new era of innovation, our state-of-the-art iron core is crafted from high-permeability magnetic grain-oriented cold-rolled silicon steel sheets. This full oblique jointed iron core, with its multi-stepped section design, ensures uniformity throughout the iron yoke and the core itself, thereby dramatically enhancing efficiency and performance. Experience a transformative leap in electrical engineering with our cutting-edge technology.

Winding: Our meticulously engineered windings feature corrugated oil passages and a no immersion paint process, all secured with a tightening belt for unmatched stability. The concentric coil design includes high-voltage windings equipped with taps for precise voltage adjustments. These can be effortlessly accessed via a tap changer mounted on the box cover, facilitating seamless voltage changes post power supply interruption. Experience the ultimate in precision and reliability.

Safety Protection Device: Spanning a capacity range of 30-2000kVA, our transformers come equipped with vital safety features, including a pressure relief valve for enhanced security. Additionally, a gas relay complete with alarm and trip terminals can be installed as per user requirements, reinforcing safety and operational integrity. Trust in our commitment to safeguarding your operations with cutting-edge protection solutions.

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 meticulously equipped with a glass thermometer housed in a tube holder, strategically positioned atop the oil tank to extend 120±10 mm into the oil. For transformers in the 1000-2000kVA range, an outdoor signal thermometer is included, delivering precise and reliable temperature monitoring. Ensure operational excellence with our advanced temperature management solutions.

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, we also excel in voltage stabilizers, regulators, switchgear, compact substations, frequency converters, and more. Our stringent quality control system ensures exceptional safety and quality, earning us a prestigious reputation both domestically and internationally. Customer satisfaction is our utmost priority, and we are committed to delivering sincere, meticulous, and satisfactory services. We warmly invite you to visit our facility and forge a long-lasting partnership with us, where excellence and innovation await.

Product categories

Company Profile

Founded in 1992, Dongliang Electric Co., Ltd. stands as a beacon of innovation and excellence in the realm of electrical engineering, backed by a robust registered capital of 50 million RMB. With nearly three decades of distinguished craftsmanship, we are experts in the realm of medium voltage (MV) transmission and distribution electrical equipment. Our specialization encompasses an impressive array of transformers including dry-type, oil-immersed, machine tool, eco-friendly, control, and lighting lamp transformers. In addition, we manufacture premium voltage stabilizers, voltage regulators, switchgear, compact substations, and frequency converters, amongst other top-tier electrical solutions. Positioned in the prestigious 'Electrical Appliance Capital of China'-Yueqing City, Zhejiang Province-our strategic location offers us not only a picturesque setting near the East Sea and Oujiang River but also the advantage of exquisite national scenic views to the north. Upholding our steadfast principles of 'quality first, service first,' we are on a relentless quest for perpetual improvement and pioneering innovation, consistently surpassing customer expectations. Our philosophy of 'zero defects, zero complaints' is embodied in our stringent and exhaustive quality control system, guaranteeing unparalleled quality and safety. Celebrated for our formidable reputation within the industry, we are the trusted choice for astute clients both domestically and internationally. Your satisfaction fuels our motivation, and we are unwaveringly committed to providing sincere, attentive, and fulfilling service. We extend a warm invitation to you to visit our facility and embark on a long-lasting partnership with us.

Company advantage

certificate

 

service

exhibition

Packaging & Shipping

Packing Standard: Our commitment to excellence is reflected in our meticulous use of solid, high-quality wooden cases or container protection. This ensures the ultimate safety and security of your cherished product throughout the shipping process.
Q: Who are we?
A: Dongliang Electric Co., Ltd. is a trailblazer in the transformer industry, boasting a remarkable 32 years of Professional Transformer Production Experience. Proudly based in Zhejiang, China, we have established ourselves as leaders in the field.
Q: Can your product be customized?
A: We recognize the diversity in voltage, frequency, and distinctive transformer specifications across various nations and regions. Thus, we provide bespoke customization services to meet your exact specifications with precision and expertise.
Q: How about your after-sales service?
A: At Dongliang Electric Co., Ltd., we are thrilled to offer a 20-year after-sales quality guarantee. This comprehensive support ensures your satisfaction and peace of mind long after the purchase.
For more questions... We invite you to reach out to us, assured of receiving an immediate and attentive response from our dedicated team.