ABSTRACT
The increasing dependency on electrical energy for daily lifestyle and transportation in the current scenario consequently leads to ever-growing requisition of electrical power supply. In order to preserve the balance between generation and increasing power demand, newer generating plants along with renewable energy sources are being gradually added in the modern power network. However, the addition of newer generating units has little significance if there is no competent transmission system for transporting the energy from the generating plants to the load centers. It draws the attention of power engineers towards the amelioration and upgrade of the extant power network for enhancing the power transfer competency. Fixed series capacitor (FSC) or FACTS (flexible AC transmission systems) controller installation in the network offers an effectual way for adjusting the line flow limit along with preferable network stability control. Although of many benefits of line compensation, on account of distance relaying the incorporation of series capacitor/FACTS device creates additional protection challenges.
This chapter thoroughly addresses the critical protection challenges evolved due to incorporation of line compensation mechanism. In addition it describes multiple data mining–based protection methodologies for compensated transmission network that are well competent of dealing all kinds of shunt fault events and transforming events in the transmission system. These protective schemes are effectual in providing accurate output despite of changes in fault conditions such as varying fault inception angles, fault locations in the network, fault resistances, percentage of line compensation and different topologies of transmission system.
