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Industry Information

Lv Transformer

A low voltage (Lv) transformer is an electrical device designed to transfer electrical energy between two or more circuits at low voltage levels, typically below 1,000 volts. These transformers are widely used in residential, commercial, and industrial applications to ensure the safe and efficient distribution of electricity. Their main function is to either step down higher voltages from distribution networks to usable levels or, in some cases, step up voltage to meet specific system requirements.

2026-06-09

Transformer Current Calculation

A transformer is a device that changes voltage levels in an electrical system. It can increase voltage (step-up) or decrease voltage (step-down) while transferring power from one circuit to another. Knowing how to calculate the current in a transformer is important to make sure it works safely and efficiently.

2026-06-08

Hall Current Sensor VS Eddy Current Sensor

Current sensing technologies play a critical role in modern industrial automation, power monitoring, renewable energy systems, electric vehicles, and electronic equipment. Among the many available technologies, eddy current sensors and Hall current sensors are widely used for non-contact measurement applications. Although both technologies can detect electrical or magnetic changes without direct electrical contact, they operate based on different principles and are designed for different measurement tasks.

2026-06-04

Current Transformer Description

A current transformer (CT) is an electrical instrument transformer designed to measure alternating current (AC) in power systems safely and accurately. It reduces high primary currents to a lower, standardized secondary current that can be easily monitored by measuring instruments, protection relays, and control systems. Current transformers are widely used in industrial facilities, power distribution networks, renewable energy systems, and commercial buildings where accurate current measurement and electrical protection are essential.

2026-06-03

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

Lv Transformer

Transformer Current Calculation

Hall Current Sensor VS Eddy Current Sensor

Current Transformer Description

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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