Interface relay
An interface relay, also known as an input/output (I/O) relay or coupling relay, is a device used to establish electrical connections and provide isolation between different circuits or systems. It acts as an interface between …
Motor Protection Relays
A motor protection relay is a specialized device used to monitor and protect electric motors from various fault conditions and abnormal operating conditions. It is designed to ensure the safe and reliable operation of motors …
Types of generator protection relays
There are several types of generator protection relays, each designed to provide specific protection functions and address various fault conditions that can occur in a generator. Here are some commonly used types of generator protection …
Generator Protection Relay
A generator protection relay is a specialized protective device used to monitor and safeguard generators in electrical power systems. It is designed to detect abnormal operating conditions or faults in the generator and initiate protective …
Directional Relay
A directional relay, also known as a directional protection relay or directional overcurrent relay, is a protective device used in electrical power systems to detect and protect against faults or abnormal conditions in specific directions. …
Frequency Relay
A frequency relay, also known as a frequency protection relay, is a protective device used in electrical systems to monitor and protect equipment from abnormal frequency conditions. It operates by detecting and responding to deviations …
Undervoltage Relay
An undervoltage relay, also known as a voltage relay or under-voltage protection relay, is a protective device used in electrical systems to monitor and protect equipment from excessively low voltage conditions. It operates by detecting …
Overvoltage Relay
An overvoltage relay, also known as a voltage relay or voltage protection relay, is a protective device used in electrical systems to monitor and protect equipment from excessive voltage conditions. It operates by detecting and …
Distance Relay
A distance relay, also known as a impedance relay or distance protection relay, is a protective relay used in electrical power systems to detect and locate faults in transmission lines and distribution networks. It operates …
Differential Relay
A differential relay is a protective relay that operates based on the principle of detecting the difference between two or more electrical quantities. It compares the input and output currents or voltages of a protected …