This paper proposes a method for optimal coordination of multistage overcurrent relays
(OCRs) in radial distribution networks, including industrial, rural, and urban grids. The …

The coordination of overcurrent relays (OCRs) is essential for improving reliability and
security indicators in electrical networks. This paper proposes a high-performance hybrid …

This work presents a new approach to optimize overcurrent relay coordination in power
distribution systems by using a genetic algorithm, involving transformer protection. An …

Protective relays coordination is the process of determining the exact relay settings such that
the relay closes to the fault would operates faster than other relays. The operating time of …

The relay coordination problem of directional overcurrent has been an active research issue
in distribution networks and power transmission. In general, the problem of relay …

Due to dependency on Plug Setting (PS), Time Dial Setting (TDS), size of the network, more
than one back-up relays for one primary relay and other technical constraints, coordination …

The time of operation of overcurrent relays (OCRs) can be reduced, and at the same time,
the coordination can be maintained, by selecting the optimum values of time multiplier …

Because of the nonlinear characteristic of directional over‐current relays (DOCR), optimal
setting and coordination of DOCRs are a complicated task in an interconnected distributed …

For optimal co-ordination of overcurrent relays, linear programming techniques such as
simplex, two-phase simplex and dual simplex are used. Another way of optimal coordination …

The coordination time interval (CTI) is very important in the coordination of overcurrent
relays (OCRs). Although the CTI constraint is usually taken as 0.2 in the literature, it is also …