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A Rogowski coil is a type of current transformer designed to measure alternating current with high accuracy, wide bandwidth, and excellent safety performance. It consists of a uniformly wound coil placed around a current carrying conductor. Unlike traditional iron core current transformers, a Rogowski coil uses an air core structure, which eliminates magnetic saturation and allows it to measure a very wide range of currents accurately. Because of these characteristics, Rogowski coils are widely used in power monitoring, power quality analysis, and industrial electrical systems.
A current sensor is a device used to detect and measure the flow of electric current in a conductor. It plays an essential role in electrical measurement, monitoring, and control systems by converting current into a measurable output signal such as voltage, digital data, or analog signals. Current sensors are widely used in power systems, industrial automation, renewable energy equipment, electric vehicles, and consumer electronics.
A current transformer, often abbreviated as CT, is an electrical instrument transformer designed to measure alternating current safely and accurately. It works by converting a large primary current flowing through a conductor into a smaller, proportional secondary current that can be easily monitored by meters, protection relays, and control equipment. Current transformers are widely used in power systems, industrial automation, energy management systems, and electrical testing applications.
A current transformer is an electrical device used to measure alternating current in power systems. It is widely applied in power distribution networks, industrial equipment, monitoring systems, and protection circuits. The main function of a current transformer is to convert a large current flowing in a conductor into a smaller and standardized current that can be safely measured by instruments such as ammeters, power meters, relays, or monitoring devices. By reducing the current to a manageable level, the transformer allows measurement equipment to operate safely without being exposed to high electrical loads.
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
The residual current transformer developed by our company was commissioned by the National Fire Electronic Product Quality Supervision and Inspection Center for third-party inspection in May 2017
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
