Technical Support

System Earthing Arrangements All System Earthing Arrangements (SEA) provide equivalent protection of life and property. However each has certain advantages and inconveniences in other terms that...

Rules for Surge Protective Device Installation in Different Earthing Systems A variety of documents deal with the subject of surge protective device installation: for example in F...

Different Types of Earthing Systems There are three different types of earthing systems that are employed to achieve different protection and functional goals, including:   1.Saf...

Coordination of surge protective devices in low voltage AC power installations The surges protection in low-voltage AC power circuits is commonly realized by Surge Protective Devices (SPDs). Thes...

Surge Protective Device Coordination Lightning surges contain significant amounts of energy that needs to be diverted away from vulnerable equipment, which is the system that is to be protected f...

Parallel-connected SPDs and series-connected SPDs/Filters When designing and installing power distribution systems, engineers and contractors must select surge protective devices (SPDs) to p...

Trends and navigating the evolving landscape of electrical earthing As technology advances and industries evolve, the landscape of electrical earthing is undergoing transformative shifts d...

Response Time of Surge Protective Devices With Spark Gap Technology I. INTRODUCTION Effective surge protection is vital to ensure reliable and uninterrupted operation of modern low-volta...

 Per Mode and Per Phase Ratings of SPD Surge Protective Devices (SPDs) are used throughout electrical distribution systems, such as at service entrances, transfer switches, and downstr...

Testing of Earthing Systems  Introduction:A test procedure to measure grid resistance, touch and step voltages Testing of earthing systems enables confirmation of the design values and safe...