The Rogowski coil is a type of electrical device used for measuring alternating current (AC), particularly in high-current or high-frequency applications. It operates on the principle of electromagnetic induction and consists of a helical coil of wire wound on a nonmagnetic core. When an alternating current flows through a conductor enclosed by the coil, the changing magnetic field induces a voltage in the coil that is proportional to the rate of change of current. This induced voltage is then integrated electronically to provide a signal proportional to the actual current waveform.
Although current transducers and current transformers (CTs) are both used to measure electrical current, they are not the same. They serve related but distinct purposes and operate on different principles. Understanding their differences is essential when selecting the right device for power monitoring, energy management, or industrial control systems.
You use current transformers to check how much electricity flows. These devices help you see how much energy you use. They make it simple to track your power use. Accurate readings from current transformers are important for homes and big buildings. You can put them on main feeds, subpanels, or sing
A Zero Sequence Current Transformer helps find ground faults in wires. People also call it a core balance current transformer or CBCT. You use this device to protect people and machines. When you set it up, it finds current problems fast and makes power better. The table below explains how it works
On September 17, 2025, Tianrui Group’s Nanjing Branch welcomed distinguished guests from Italy. The clients made a special trip to Nanjing with the aim of gaining a comprehensive understanding of Tianrui Group’s technological capabilities, product portfolio, and manufacturing strength
Nanjing, April 29, 2025 - To deepen team collaboration awareness, facilitate cross-departmental communication, relieve work pressure, stimulate team vitality, and enhance mutual understanding, Hubei Tianrui Electronics Co., Ltd.'s Nanjing Branch organized an outdoor team-building event for all emplo
March 1, 2017 -2 days, Hubei Tianrui Electronics Co., Ltd. operating conference held in Nanjing. The meeting was presided over by Liu Hongbin, the deputy general manager of the company. He Bin, genera
On September 3-6, 2024, Tianrui Electronics Co., Ltd. participated in 2024 ELECTRIC & POWER in Ho Chi Minh City, Vietnam, which was attended by more than 200 enterprises from all over the world.
From May 14 to 16, 2024, Tianrui Electronics participated in 2024CWIEME "German Coil, insulation material, motor and transformer Manufacturing Exhibition" held in Berlin International Convention and Exhibition Center, there are totally over 600 enterprises from Germany, UK, India and other co
On June 12, 2023, Tianrui Electronics participated in the CIRED2023 International Power Supply Conference and Exhibition and Power Grid Innovation and Sustainable Development Summit Forum in Rome, Italy. This conference will promote the high-quality development of future power distribution technolog
