Product introduction

Discover the incredible efficiency and unmatched versatility of our High-Performance 100VA Control Transformer. Specially engineered to fulfill the rigorous demands of contemporary machine tools and mechanical equipment, this transformer excels in circuits where input voltages are 1000V or less, working seamlessly at AC 50-60Hz. It boasts the capability to run continuously at its rated capacity, effortlessly powering general electrical devices and local lighting, while also delivering dependable indicating power with an impressive capacity reaching up to 50000VA.
· Expertly designed to function at altitudes up to 2000 meters, ensuring optimal performance;
· Operates smoothly within a versatile ambient air temperature spectrum from -25ºC to +40ºC, maintaining a 24-hour average temperature below +35ºC for reliable and stable operation.
· Sustains high efficiency with relative air humidity levels that do not exceed 90% at +25 °C and remain below 50% at +40 °C, ensuring consistent performance even in fluctuating environmental conditions.
· Engineered for environments devoid of violent vibrations or shocks, and safeguarded from rain or snow encroachment, ensuring dependable, uninterrupted operation without compromise.
Designed for use in media free from explosion hazards, our transformers operate without the presence of corrosive gases or conductive dust, preserving metal integrity and insulation, thereby guaranteeing both safety and longevity.
Our transformers are meticulously designed to cater to diverse capacity, voltage, and usage needs, featuring varied structures that are typically classified into shell-encased and open-frame forms, each meticulously engineered for specific applications.
Our transformer coils, whether crafted as double-winding or multi-winding, are engineered with utmost precision, enabling the secondary side to utilize multiple taps or windings for achieving the exact voltage and capacity distribution required.
The double winding transformer coil functions with remarkable efficiency, with the primary current represented 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 crafting high-quality electrical equipment. Our specialization spans a diverse array of products including transformers (both dry-type and oil-immersed), voltage stabilizers, regulators, switchgear, compact substations, and frequency converters. Upholding rigorous quality control standards, we ensure exceptional safety and quality in every product. We have built a renowned reputation both domestically and internationally, with an unwavering commitment to customer satisfaction. We warmly invite you to visit our cutting-edge facilities and explore the potential for a fruitful, lasting 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 an impressive registered capital of 50 million RMB, showcasing nearly thirty years of unmatched expertise in the realm of medium voltage transmission and distribution electrical equipment. Our distinguished range of products includes an expansive selection of transformers, such as dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Additionally, we offer voltage stabilizers, voltage regulators, state-of-the-art switchgear, compact substations, frequency converters, and a versatile array of other electrical devices. Strategically nestled in Yueqing City, Zhejiang Province-renowned as the "Electrical Appliance Capital of China"-our advantageous location grants us the beauty of the East Sea and Oujiang River to the south, with the majesty of world-renowned national scenic spots to the north. At Dongliang Electric, our core philosophy is rooted in an unwavering commitment to "quality first, service foremost," reflecting our relentless dedication to continuous improvement and pioneering innovation, all aimed at surpassing customer expectations. Our robust and comprehensive quality control system ensures that we maintain the pinnacle of quality and safety standards. This commitment has earned us an esteemed reputation among both domestic and international clientele. Our ultimate aspiration is to achieve unparalleled customer satisfaction through authentic, attentive, and fulfilling service experiences. We warmly invite you to visit our advanced facility and eagerly anticipate the opportunity to forge a lasting and mutually beneficial partnership with you.
Company advantage

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Packaging & Shipping
Packing standard: We ensure the utmost protection of your valuable purchase with robust packaging. By employing durable wooden cases or secure container protection, we guarantee the maintenance of product integrity throughout its journey to you.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a leader in the transformer industry with a remarkable 32-year legacy of excellence. Situated in the vibrant region of Zhejiang, China, we are committed to delivering superior transformer solutions.
Q: Can your product be customized?
A: Absolutely! Our High-Performance 100va Control Transformer with Silicon Steel Sheet Core is fully customizable. We understand the diverse voltage, frequency, and transformer specifications across various countries and regions, allowing us to tailor our products to precisely fit your unique requirements.
Q: How about your after-sales service?
A: Rest assured, our commitment to quality extends beyond purchase with an impressive 20-year after-sales service guarantee. This ensures your satisfaction and confidence in our products long after they have reached you.
For any additional inquiries, please do not hesitate to reach out. Contact us, and experience our prompt and attentive service.