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What Is Current Transformer Class?

A current transformer (CT) is a critical instrument transformer in power systems, tasked with converting high primary alternating currents into standardized low secondary currents (usually 1A or 5A) for safe measurement, protection, and control purposes. The current transformer class, primarily defi

2026-04-10

Bar Current Transformer: Definition, Structure, Working Principle And Applications

A bar current transformer (BCT) is a type of instrument transformer specifically designed to measure or protect high-current electrical systems. Unlike conventional current transformers with a wound primary coil, the BCT features a simple yet robust structure where the primary winding is replaced by a single, straight conductor—typically a copper or aluminum bar—that passes through the center of a magnetic core. This design makes it ideal for high-voltage and high-current applications, such as power transmission lines, switchgear, and industrial power distribution systems, where space efficiency and reliability are critical.

2026-04-09

Current Transducer: Working Principle And Applications

A current transducer is an electronic device designed to measure electrical current (AC or DC) and convert it into a standardized, measurable output signal—typically a voltage or current—that is proportional to the input current. It plays a crucial role in power systems, industrial automation, renewable energy, and electronic equipment, enabling accurate current monitoring, control, and protection.

2026-04-08

Introduction To Hall Effect Current Transducer

A Hall effect current transducer is a sophisticated electronic device designed to measure electric current accurately and non-intrusively, leveraging the Hall effect—a physical phenomenon discovered by Edwin Hall in 1879. Unlike traditional current measurement methods that require direct electrical contact with the conductor, this transducer detects the magnetic field generated by the current flow, converting it into a proportional electrical signal that can be easily measured, processed, or displayed. This non-contact feature makes it ideal for high-voltage, high-current, and harsh industrial environments where safety and isolation are critical.

2026-04-03

Company News

Italian Clients Visit Tianrui Group's Nanjing Branch In-Depth Exchanges And Production Line Tour Pave The Way for New Cooperation

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

2025-09-17

Tianrui Electronic Nanjing Branch Organizes Spring Team-Building Activities

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

2025-04-29

The residual current transformer of our company passed the third party inspection center test successfully

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

2020-08-19

Exhibition Information

Tianrui Electronic Co., Ltd. Was Invited To Participate in 2024 ELECTRIC & POWER VIETNAM

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.

2024-09-14

Tianrui Electronic Successfully Participated 2024 CWIEME

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

2024-06-04

Tianrui Electronics successfully concluded at CIRED2023 exhibition

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

2024-03-20

What Is Current Transformer Class?

Bar Current Transformer: Definition, Structure, Working Principle And Applications

Current Transducer: Working Principle And Applications

Introduction To Hall Effect Current Transducer

Italian Clients Visit Tianrui Group's Nanjing Branch In-Depth Exchanges And Production Line Tour Pave The Way for New Cooperation

Tianrui Electronic Nanjing Branch Organizes Spring Team-Building Activities

The residual current transformer of our company passed the third party inspection center test successfully

Tianrui Electronic Co., Ltd. Was Invited To Participate in 2024 ELECTRIC & POWER VIETNAM

Tianrui Electronic Successfully Participated 2024 CWIEME

Tianrui Electronics successfully concluded at CIRED2023 exhibition

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