Industry News
DC-immuned current transformers represent a vital innovation in the integration of renewable energy sources. By addressing the critical issue of DC injection, these specialized components ensure measurement accuracy, system protection, and grid stability. As renewable penetration increases globally, Oswell's DC-immuned CTs will play an increasingly important role in enabling a reliable transition to sustainable energy systems, providing the precision and reliability needed for both utility-scale and distributed generation applications.
Miniature current transformers represent a fusion of precision engineering and adaptive design, essential for modern smart grids. By overcoming integration barriers and enabling real-time monitoring in diverse applications—from renewable energy to EV infrastructure—Oswell’s innovations ensure reliability, efficiency, and scalability. As grids evolve toward decentralization and digitalization, these CTs will remain indispensable for sustainable energy management
Relays are essential electrical components that act as electrically operated switches, controlling the flow of current in a circuit by using a smaller current to activate a larger one. They play a crucial role in safety, automation, and power managementacross various household and industrial appliances. Below are some of the most common electrical devices that frequently use relays.
As power systems worldwide transition toward smart grids, the demand for intelligent current transformers (CTs)—devices that combine traditional current measurement with advanced digital capabilities—is surging.
The Role of DCT105W-B3 with DC Immunity
The smart grid represents the next-generation power system, integrating advanced sensing, communication, and automation technologies to enhance efficiency, reliability, and sustainability. A critical enabler of this transformation is high-precision current measurement, which underpins energy metering, fault detection, and dynamic protection.
The rapid growth of new energy vehicles (NEVs) has driven the development of high-power charging infrastructure, where precise current monitoring and control are critical for safety, efficiency, and grid stability. OFLS Series Rogowski Coils, known for their flexible measurement, wide bandwidth, and dynamic response, have emerged as a key technology in NEV charging systems.
As the complexity and scale of modern power systems continue to expand, the demand for on-site testing and rapid diagnostics has grown significantly. Whether it’s routine inspections of substations, commissioning of new renewable energy installations, or troubleshooting in industrial facilities, technicians require measurement tools that are easy to carry, quick to deploy, and capable of operating in confined or challenging environments. In response, portability and miniaturization have emerged as defining trends in current clamp design, with innovative products like the SDQxxX series current clamps and 60A CTs with mini magnetic shielding ring structures leading the way. These advancements are not only enhancing operational efficiency but also redefining how electrical measurements are performed in the field.
In the era of digital transformation, traditional current clamps—once merely tools for basic electrical current measurement—are evolving into intelligent monitoring terminals through the integration of Internet of Things (IoT) and Artificial Intelligence (AI) technologies. Modern smart current clamps are no longer limited to simple data acquisition; they now enable remote monitoring, predictive analytics, and automated diagnostics, revolutionizing how electrical systems are managed and maintained.












