Product introduction

Experience the pinnacle of electrical innovation with our prestigious High-Quality 100VA Control Transformer, boasting a cutting-edge New Silicon Steel Sheet Core. This transformer is meticulously crafted to meet the rigorous demands of the latest machine tools and sophisticated mechanical systems. Perfect for circuits requiring input voltages up to 1000V and operating with seamless precision at AC frequencies of 50-60Hz, it stands as a paragon of continuous performance. Effortlessly power a diverse array of general electrical devices, local lighting systems, and provide unwavering indicating power, with an outstanding capacity reaching an impressive 50000VA.
· Meticulously engineered for unparalleled performance at elevations up to 2000 meters, maintaining peak efficiency throughout;
· Expertly designed to function flawlessly across a broad ambient temperature spectrum from -25ºC to +40ºC, with a 24-hour average temperature not exceeding +35ºC. This ensures smooth, consistent, and dependable operation.
· Maintains exceptional efficiency with relative humidity below 90% at +25 °C and under 50% at +40 °C, guaranteeing reliable performance across varying environmental conditions.
· Crafted to withstand environments devoid of severe vibrations and shocks, with robust protection against rain or snow, ensuring reliable and uninterrupted operation.
Our transformers are adeptly designed for use in environments free from explosion hazards, functioning seamlessly without exposure to corrosive gases or conductive dust, safeguarding metal integrity and insulation for maximum safety and durability.
Our transformers are masterfully engineered to accommodate a wide array of capacity, voltage, and application needs, with a selection of structural designs. They are typically available in shell-encased and open-frame variants, each tailored for unique and specialized applications.
Our transformer coils, available in both double-winding and multi-winding configurations, are precision-crafted to enable the secondary side to utilize multiple taps or windings. This facilitates precise voltage and capacity distribution, tailored to specific operational requirements.
The double winding transformer coil is engineered for remarkable efficiency, where the primary current is meticulously calculated 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 leader in the professional manufacturing arena, flaunting 32 years of unrivaled expertise in producing top-tier electrical equipment. Our specialization spans a vast range of products, including dry-type and oil-immersed transformers, voltage stabilizers, regulators, advanced switchgear, compact substations, and frequency converters. Our steadfast commitment to rigorous quality control guarantees outstanding safety and superior quality. Dongliang Electric Co., Ltd. has earned a prestigious global reputation, fueled by an unwavering devotion to customer satisfaction. We warmly welcome you to tour our cutting-edge facilities and explore the potential for a fruitful and lasting partnership.
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Company Profile
Founded in the illustrious year of 1992, Dongliang Electric Co., Ltd. proudly embarked on its journey with an impressive registered capital of 50 million RMB, showcasing nearly thirty years of unmatched expertise in the dynamic field of medium voltage transmission and distribution electrical equipment manufacturing. Our exceptional specialization encompasses a broad spectrum of transformers, including dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Further enriching our comprehensive product portfolio are superior voltage stabilizers, voltage regulators, switchgear, compact substations, and frequency converters, alongside a vast range of electric devices. Located strategically in Yueqing City, Zhejiang Province, famously dubbed the 'Electrical Appliance Capital of China', our setting offers stunning views of the East Sea and Oujiang River to the south, with world-famous national scenic wonders to the north, crafting an ideal environment for our operations. At the core of Dongliang Electric is an unwavering commitment to 'quality first, service foremost,' symbolizing our relentless quest for excellence, constant evolution, and bold innovation to exceed customer expectations. Our meticulous and exhaustive quality control system is expertly designed to maintain the highest standards of quality and safety, earning us an esteemed reputation among our valued domestic and global clientele. Customer satisfaction is our eternal mission, and we are fervently dedicated to delivering the most genuine, attentive, and satisfying service experience possible. We cordially invite you to visit our cutting-edge facility and eagerly look forward to establishing a long-term partnership with you.
Company advantage

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Packaging & Shipping
Packing standard: We prioritize safeguarding your purchase with the utmost care, employing sturdy wooden cases or secure container solutions. These meticulously chosen packaging options ensure that our High-Quality 100va Control Transformer, featuring the innovative New Silicon Steel Sheet Core, arrives at your location in immaculate condition, preserving its superior quality and integrity throughout the entire transit process.
Q: Who are we?
A: Dongliang Electric Co., Ltd. stands as your dependable ally in the world of transformers. With an illustrious history of 32 years, we are devoted to excellence in crafting top-tier transformers, all from our cutting-edge base in the dynamic region of Zhejiang, China.
Q: Can your product be customerized?
A: Absolutely! We acknowledge the diverse spectrum of voltage, frequency, and unique transformer needs worldwide. Our High-Quality 100va Control Transformers are designed to be fully customizable and can be precisely adjusted to meet your specific demands, guaranteeing peak performance in any setting.
Q: How about your after-sales servic?
A: Revel in the assurance provided by our steadfast dedication to excellence, complemented by a comprehensive 20-year after-sales guarantee. We are committed to ensuring your journey with our products is extraordinarily seamless, offering you unparalleled reliability and peace of mind.
For more questions, please feel free to reach out. Contact us and receive an immediate response.