Product introduction

Discover the exceptional performance and adaptability of our Premium 100VA Control Transformer. Tailored to fulfill the rigorous requirements of modern machine tools and mechanical systems, this transformer excels in circuits with input voltages up to 1000V, operating efficiently at AC 50-60Hz. Designed for continuous operation under its rated capacity, it seamlessly energizes general electrical appliances and local lighting, offering dependable indicating power with an astounding capacity reaching up to 50000VA.
· Expertly crafted to deliver optimal performance at altitudes reaching 2000 meters;
· Operates flawlessly within a wide ambient air temperature spectrum from -25ºC to +40ºC, maintaining a 24-hour average temperature below +35ºC for smooth and consistent functionality.
· Sustains efficiency with relative air humidity not surpassing 90% at +25 °C and remaining under 50% at +40 °C, ensuring steadfast performance across varying environmental conditions.
· Engineered for deployment in environments free from intense vibrations and shocks, protected against rain or snow ingress, guaranteeing dependable, continuous operation.
Designed for media without explosive hazards, our transformers function devoid of corrosive gases or conductive dust that could compromise metal integrity and insulation, securing safety and durability.
Our transformers are meticulously designed to accommodate diverse capacity, voltage, and usage specifications, featuring varied configurations, typically classified into shell-encased and open-frame designs, each tailored for distinct applications.
Our transformer coils, whether double-winding or multi-winding, are skillfully engineered for precision. The secondary side is equipped to utilize multiple taps or windings, enabling precise voltage and capacity distribution to meet exact requirements.
The double winding transformer coil operates with remarkable efficiency, where the primary current is represented as I1=Pe/U1, and the secondary current as I2=Pe/U2, ensuring superior 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 crafting electrical equipment. Specializing in a wide 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 ensure exceptional safety and quality. We have established a revered reputation both locally and internationally, with unwavering dedication to customer satisfaction. We cordially invite you to visit our cutting-edge facilities and explore the possibilities for a fruitful, long-lasting partnership with Dongliang Electric Co., Ltd.
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Company Profile
Founded in 1992 with a robust registered capital of 50 million RMB, Dongliang Electric Co., Ltd. stands as a beacon of excellence, proudly showcasing nearly three decades of unmatched prowess in the realm of medium voltage transmission and distribution electrical equipment manufacturing. Our expertise spans an impressive spectrum of transformers, including dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Moreover, we craft exceptional voltage stabilizers, voltage regulators, switchgear, compact substations, frequency converters, and a plethora of other electrical devices. Nestled in the illustrious 'Electrical Appliance Capital of China,' Yueqing City, Zhejiang Province, our strategic location is as vibrant as it is scenic, offering breathtaking vistas of the East Sea and the serene Oujiang River to the south, while being embraced by the iconic national scenic spots to the north. At Dongliang Electric, our guiding principle is a steadfast commitment to 'quality first, service foremost,' encapsulating our unwavering dedication to perpetual enhancement and pioneering innovation to consistently surpass customer expectations. Our rigorous and exhaustive quality control processes are meticulously designed to uphold the zenith of quality and safety standards, earning us a prestigious standing among both domestic and international clientele. Customer satisfaction is not just an aspiration but a never-ending quest, and we are devoted to providing the most sincere, attentive, and rewarding service experiences. We extend a warm invitation for you to visit our facility and eagerly anticipate the opportunity to cultivate a lasting partnership with you.
Company advantage

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Packaging & Shipping
Packing Standard: We guarantee top-tier packaging by utilizing sturdy wooden cases or secure container protection, ensuring the product's pristine condition during transit and delivery.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a prestigious name in the world of transformers, with an impressive legacy of 32 years in transformer production, proudly based in the heart of Zhejiang, China.
Q: Can your product be customized?
A: Absolutely! With an understanding of the varied voltage, frequency, and distinctive transformer requirements across different countries and regions, our products are crafted to be fully customizable, ensuring they meet and exceed your precise specifications.
Q: How about your after-sales service?
A: We provide unparalleled peace of mind with a robust 20-year after-sales quality guarantee, a testament to our commitment to your complete satisfaction and confidence in our products.
For more inquiries, please feel free to reach out. Contact us and receive a prompt and immediate response.