I. What is Selectivity? Selection of the protection system of the electrical installation is fundamental to guarantee correct economical and functional service of the whole installation and to reduce the …
In a power system, almost always three phase fault current is higher than the earth-fault current. However, earth fault current near the generator is higher than three phase fault. What …
Intelligent Electronic Devices Electrical protection is as fundamental to the generation, transmission and distribution of electricity as generators, transformers and transmission lines. A couple of decades ago microprocessor based relays …
The “Network Protection and Automation Guide” (NPAG) is a widely recognized reference book in the field of electrical network protection and control. Before being renamed to Areva, it was known …
The ABB Protection Application Handbook in the series of handbooks within the LEC support programme of BA THS BU Transmission Systems and Substations. This handbook covers most aspects of protection …
An arc fault is a high-power discharge of electricity between two or more conductors. This discharge can manifest in a number of ways. Series Arc Fault Occurs in a single …