Capacity upgrades are accelerating! Our in-house, integrated winding machine further strengthens our competitive edge in the intelligent manufacturing of Rogowski coils.

Seizing the momentum of building a new‑type power system and capitalizing on opportunities in the development of new energy, energy storage, and AI‑driven computing‑power‑related industries, China’s sensor‑manufacturing sector has gained another powerful impetus. After six months of dedicated R&D, meticulous fine‑tuning, and iterative refinement, Ningbo Taifengyuan Electric Co., Ltd. has officially completed construction and put into operation three high‑precision Rogowski coil winding machines designed for large‑diameter, closely spaced windings, marking a significant milestone for the company… Large‑range, large‑size Rogowski coil sensor Key breakthroughs have been achieved in the field of intelligent mass production, elevating core smart manufacturing capabilities to a new industry benchmark.

At present, the development of China’s new‑generation power system is accelerating across the board. Rapid growth in areas such as renewable‑energy grid integration, energy‑storage systems, high‑end computing infrastructure, and precision industrial measurement and control is driving a sustained surge in demand for large‑range, high‑accuracy Rogowski coil sensors. Industry data show that the domestic Rogowski coil market continues to expand at a double‑digit annual rate. Thanks to their superior frequency response, broad compatibility, and ease of installation, flexible current‑sensing solutions are steadily replacing traditional core‑based current transformers, with penetration in high‑end power measurement and control applications rising year after year. As downstream high‑end equipment undergoes iterative upgrades, market demand for metering‑grade Rogowski coils—featuring large conductor diameters, tight winding pitches, and exceptional stability—is expanding further, while increasingly stringent standardization requirements are being imposed on product accuracy, consistency, delivery efficiency, and batch‑to‑batch stability.

Leveraging its deep technical expertise and extensive mass-production experience in the field of Rogowski coil sensing, the company has proactively addressed key industry challenges—namely, bottlenecks in scaling up large‑size products, delivery delays, and limitations in measurement accuracy—by launching a dedicated equipment‑upgrade project. Building on its established smart manufacturing platform, the R&D team has focused on tackling core technical hurdles in winding large‑diameter coils, undertaking comprehensive optimizations and upgrades to the equipment’s control system, tension‑regulation system, intelligent inspection system, and high‑speed operation module, while also rearchitecting the overall machine design and iteratively enhancing its performance. The newly launched all‑in‑one machine is equipped with a high‑precision servo control system and an advanced intelligent constant‑tension regulation unit, enabling stable, automated, integrated, and continuous precision winding of Rogowski coils with diameters ranging from 5 to 8 mm. This breakthrough effectively resolves longstanding industry issues associated with conventional equipment—such as poor accuracy, inconsistent results, low yield rates, and constrained throughput—when producing large‑diameter, tightly spaced coils, thereby achieving a threefold leap in production accuracy, efficiency, and product stability.

With the official commissioning of these three high-end pieces of equipment, the company’s total number of fully automated core winding machines for Rogowski coils has increased to 21, further enhancing its intelligent mass‑production matrix that covers large, medium, and small‑size Rogowski coils across all specifications. This comprehensive upgrade of the production capacity will significantly strengthen the company’s ability to deliver metrology‑grade, wide‑range Rogowski coil sensors at scale, effectively shortening product lead times while improving batch‑to‑batch consistency and measurement accuracy. It will comprehensively support the ancillary needs of downstream sectors such as power, new energy, energy storage, and computing infrastructure. Stable, high‑quality output and efficient delivery will precisely meet customers’ diverse, high‑standard procurement and project‑implementation requirements, addressing key pain points like tight project timelines, difficult quality control, and unreliable bulk supply. As a result, customer experience and satisfaction will be greatly enhanced, laying a solid foundation for long‑term, reliable partnerships and enabling both the company and its downstream clients to achieve mutual empowerment and win‑win collaboration.

Technological iteration is an endless journey, and capacity upgrades are building momentum for continued progress. The implementation of this round of intelligent equipment upgrades not only marks a quantum leap in the company’s smart manufacturing capabilities but also represents a pivotal strategic move to deepen our foothold in the precision‑sensing sector and strengthen our core competitive advantages.

Looking ahead, Ningbo Taifengyuan Electrical Co., Ltd. will remain at the forefront of the industry, closely aligning with emerging trends in the new‑generation power system sector. By pursuing a dual‑engine strategy of technological innovation and intelligent manufacturing upgrades, the company will continue to optimize its production capacity structure, refine core processes, and elevate product quality. With higher‑standard smart manufacturing capabilities, more efficient delivery performance, and superior product‑service offerings, it will maintain its leadership in the precision sensing field for Rogowski coils, injecting robust science‑and‑technology‑driven momentum into the high‑quality development of China’s power‑sensing industry.

Reposted from: [WeChat Official Account] Electrical Instrument and Meter Productivity Promotion Center