News

NB/T 42150-2018: Specific protective devices for low-voltage surge protective devices (SSD) – Type test Core Purpose This Chinese energy industry standard establishes type test requireme...

IEC 62305:2024,IEC 62793 and lightning（thunderstorm) warning systems 1. Standards Framework and Updates - IEC 62305:2024 Series: Third Edition Release: Published in September 2024, repla...

The Critical Role of Smart Grounding System Monitors in Smart Power Grids The evolution towards Smart Power Grids necessitates comprehensive monitoring of all critical infrastructure compone...

Surge Protective Devices (SPD) Degradation    Surge Protective Devices (SPDs) are critical for safeguarding electrical and electronic systems against transient overvoltages caused by...

Development of Earthing(grounding) Testing Technology Earth resistance testing represents a critical safeguard in electrical systems, protecting infrastructure and human lives from e...

Lightning Protection Grounding vs. Electrical Grounding Grounding systems are indispensable for modern electrical infrastructure, serving as the critical pathway for dissipating fault curren...

SPD Wiring and Installation Requirements under IEC, UL, and Regional Standards 1.Introduction to SPD Standards and Wiring Significance Surge Protective Devices (SPDs) serve as critical s...

What is a Surge Protective Device? A Surge Protective Device (SPD) is a sophisticated engineering solution designed to safeguard electrical systems from transient overvoltages caused b...

Determination of Reference Voltage and Temporary Overvoltage (TOV) in SPD Type Test 1. Definition and Determination of Reference Voltage (UREF) The reference voltage (UREF) is a critical...

Surge Protective Device Selection Guide: Compliance with UL 1449, IEC 61643, and BS EN 62305   Surge Protective Devices (SPDs) are essential for safeguarding modern electrical and electro...