Over last two decades, solar and wind energies have

become an alternative to traditional energy sources. These

alternative energy sources are non-polluting, free in their

availability and are renewable. ...

Protection of power transmission has an important role in power systems. To have a better protection it is common to

combine difference types of relays, which combination of overcurrent and distance relays is a ...

To achieve better protection, it is common to use both

distance and overcurrent relays as main and backup relays

respectively, in power transmission protection scheme. In this

situation it is necessary ...

Nowadays, political and economic crisis, limitation of fossil reserves, environmental concerns, population growth and economic growth resulted in an increase in the use of renewable energy resources. However, the main ...

Using hybrid renewable energy is one of the best alternatives to supply the electrical energy at remote areas. Renewable energy sources are depended to weather conditions or other factors, so for supplying load with renewable ...

In substations, protective equipments such as arresters

and neutral transformer are being connected to substation

ground grid to protect them against transient overvoltage, firing

and other damages. ...

Effect of Distributed Generation Capacity on the Coordination of Protection System of Distribution Network