Sonnecy

Figure 1. CYHCS-EKC Split-Core Current Sensor from ChenYang Technologies. Modern power-conversion systems—such as photovoltaic inverters, energy-storage units, UPS systems, welding machines, and motor drives—place increasingly high demands on current-measurement reliability, electrical safety, and installation flexibility. Engineers also face growing pressure to deploy sensors quickly and non-invasively, ideally without disconnecting conductors or interrupting running equipment. This trend naturally drives the adoption of split-core current sensor, which allow the device to be clipped around an existing cable in seconds. Against this background,…

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1. Introduction – Why Current Sensor Matters In modern power electronics and industrial systems, accurate current measurement has become a basic design requirement. It underpins energy management and efficiency analysis, supports Industry 4.0 concepts such as precise monitoring and predictive maintenance, and is essential for safety functions like overload detection and short-circuit protection. In EV charging, battery storage, and renewable energy converters, current feedback is also the key input for control algorithms, efficiency optimization, and long-term performance tracking. For many…

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Hall-effect vane sensors are widely used in automotive systems, industrial automation, consumer appliances, and compact robotics because they provide accurate position and speed information with simple mechanics and high robustness. In these sensors, a thin soft-magnetic vane modulates the magnetic flux between a fixed magnet and a Hall element. This approach ensures clean digital transitions or stable analog output even under harsh conditions such as dust, oil, vibration, or temperature fluctuations, while maintaining reliable switching behavior during startup without requiring…

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