A protection relay is a switch that controls the opening and closing of an electrical circuit. It can perform switching without being affected by any wave or frequency. It works by allowing the current on the surface to pass through. Its importance is particularly significant in areas where circuits cannot reach. Therefore, regular protection relay tests and maintenance are necessary. The main purpose of a protection relay is to protect the motor, as fuses placed on the outside of the line only protect the line. Testing the working condition of protection relays through regular tests is crucial to providing protection against excessive current generated during energy conversions. Especially during the system's operation, relays may have been damaged, causing problems such as failure to operate. To avoid such issues, protection relay tests and maintenance must be performed. Performing these tests and maintenance on a protection relay extends the life of the motor and provides financial savings. After maintenance and testing, relay settings are restored to normal, and any deficiencies are eliminated.
During the testing and maintenance of protection relays, cable control is initially checked to determine whether there is any fault. Then, the need for neutral in the system is evaluated. Regular testing and maintenance of protection relays must be performed to ensure a low error and fault rate. The primary benefit of these maintenance procedures is that they protect human health in the event of accidents. The testing and maintenance of protection relays protect against electrical accidents such as fires that may occur in electrical installations. A short-circuit test is applied to detect faults in cables. These maintenance and tests enable early intervention and minimize damage. During the testing and maintenance of protective relays, open and close tests are applied. These tests ensure that the system operates correctly and without problems in any adverse conditions. It is essential to have these maintenance procedures and tests performed by professionals in this field.