Product introduction

Discover the unmatched excellence and adaptability of our Premium 100VA Control Transformer. Expertly designed to cater to the exacting requirements of contemporary machine tools and mechanical equipment, this transformer is perfect for circuits with input voltages reaching up to 1000V, smoothly operating within an AC frequency of 50-60Hz. Capable of continuous performance under its designated capacity, it effortlessly powers general electrical applications, local lighting, and delivers dependable indicating power with a remarkable capacity reaching up to 50000VA.
· Meticulously engineered to deliver peak performance at altitudes not surpassing 2000 meters, ensuring optimal functionality.
· Operates flawlessly across a wide ambient air temperature range from -25ºC to +40ºC, maintaining a 24-hour average temperature below +35ºC for consistent, smooth performance.
· Preserves efficiency with relative air humidity levels not exceeding 90% at +25 °C and remaining below 50% at +40 °C, guaranteeing reliable operation in diverse environmental conditions.
· Designed for environments devoid of violent vibrations and shocks, protected against rain or snow intrusion, ensuring reliable and uninterrupted operation.
Specifically crafted for use in media without explosion hazards, our transformers function securely without the presence of corrosive gases or conductive dust, safeguarding metal integrity and insulation for enhanced safety and durability.
With designs meticulously tailored to satisfy diverse capacity, voltage, and application requirements, our transformers feature various structures, typically segmented into shell-encased and open-frame forms, each crafted for specific tasks.
Our transformer coils, whether double-winding or multi-winding, are designed with precision, enabling the secondary side to employ multiple taps or windings to achieve the precise voltage and load distribution necessary.
The double winding transformer coil functions with remarkable efficiency, with the primary current expressed as I1=Pe/U1, and the secondary current as I2=Pe/U2, ensuring optimal energy conversion and distribution.
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 |
We are a distinguished professional manufacturer with 32 years of unparalleled expertise in manufacturing electrical equipment. Specializing in an extensive range of products including transformers (both dry-type and oil-immersed), voltage stabilizers, regulators, switchgear, compact substations, and frequency converters, our stringent quality control measures guarantee exceptional safety and excellence. We have established a prestigious reputation both domestically and internationally, with customer satisfaction as our unwavering dedication. We cordially invite you to visit our cutting-edge facilities and explore the potential for a mutually beneficial, enduring partnership with Dongliang Electric Co., Ltd.
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Company Profile
Founded in 1992, Dongliang Electric Co., Ltd. stands as a beacon of excellence with a formidable registered capital of 50 million RMB. With nearly three decades of unrivaled expertise, we are masters in the art of crafting medium voltage transmission and distribution electrical equipment. Our specialization is a vast spectrum of transformers, from dry-type and oil-immersed to machine tool, environmental protection, control, and lighting lamp transformers. We also excel in creating voltage stabilizers, voltage regulators, switchgear, compact substations, frequency converters, and an extensive array of other electrical devices. Strategically nestled in the world-renowned 'Electrical Appliance Capital of China'-Yueqing City, Zhejiang Province-our facility is graced with breathtaking views of the East Sea and Oujiang River to the south, and the celebrated national scenic wonders to the north. At Dongliang Electric, our guiding ethos is the unwavering pursuit of 'quality first, service foremost.' This commitment fuels our relentless drive for innovation and excellence, empowering us to continually exceed customer expectations. Our rigorous and comprehensive quality control system is meticulously designed to uphold unparalleled standards of quality and safety, cementing our esteemed reputation both domestically and globally. Achieving customer satisfaction is our unending aim, and we promise to deliver the most authentic, thoughtful, and rewarding service experience. We extend a warm invitation to visit our state-of-the-art facility, where we look forward to forging a lasting and fruitful partnership with you.
Company advantage

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Packaging & Shipping
Packing standard: To ensure your product arrives in pristine condition, we utilize only the most robust packaging solutions. Choose from our durable wooden cases or secure container protection options, designed to preserve the integrity of your purchases throughout transit, safeguarding them until they reach your hands.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a premier force in the transformer industry with an illustrious 32-year history of excellence in transformer production, strategically based in the bustling technological hub of Zhejiang, China.
Q: Can your product be customized?
A: Absolutely! At Dongliang Electric Co., Ltd., we recognize the varied voltage, frequency, and specific transformer demands of diverse markets around the globe. Our commitment to flexibility allows us to offer fully customizable transformer solutions tailored to your exact specifications, ensuring optimal performance wherever you are.
Q: How about your after-sales service?
A: We proudly offer an unparalleled 20-year after-sales quality guarantee with every transformer, a testament to our confidence in product longevity and our dedication to your ongoing satisfaction and peace of mind.
For more questions, please feel free to reach out. Contact us and receive an immediate response.