Mun Hean at the 20^th Annual PQSynergy International Conference & Exhibition 2022, held at Bangkok, Thailand.  PQ specialist, Ir. Voon Yip Seng presented his paper titled “Best Practice in Implementing Coordinated Electrical Protection Scheme.”   In his paper, Ir. Voon presented the methods to coordinate, selection of curves and time settings to achieve protection discrimination. The paper also covered advantages of having an external protective relay as primary protection in a low voltage electrical system.