Current transformer (CT) accuracy class refers to how precisely a current transformer can replicate the primary current in its secondary winding, within certain tolerances, under defined conditions. CT accuracy is …
Typical Protection Relay Timing Errors Protection relay grading intervals are critical in ensuring selective coordination in power systems. The recommended protection relay grading intervals typically depend on the type of …
Hazardous Area Classification Oil & gas installation has areas which are classified as being Zone 1 or Zone 2 according to IEC 60079. With regards to explosion ignition of flammable …
In oil and gas installations, earthing systems play a crucial role in ensuring safety and mitigating risks associated with electrical faults and preventing hazardous incidents such as fires, explosions, and …
This is Part 2 of this series, the first part could be found here. Insulation coordination is the “selection of the dielectric strength of equipment in relation to the voltages …
Note: This is the first part of power system voltages and insulation coordination. Insulation coordination is dealt with for three phase AC systems with nominal voltages Un > 1kV in …