This section provides an overview for protective relays as well as their applications and principles. The laboratory stand is designed for carrying out laboratory works in universities and secondary technical educational establishments for the study of “Power Supply of Industrial Enterprises”, “Relay protection and automation”, etc. The object of study is relay protection and automation devices in. Protection relay experimental device can conduct experimentaloperation including power plants, substations and factory relay,relay, secondary electrical control circuit teaching experiment,which is applicable in the electrical category, the electricalcategory related to the professional. A power system protection relay is an electrical circuit which is designed to process the electrical parameters and break the operation when the input is not in accordance to the set parameters. Primarily the relays used to constitute of electromagnetic coils which were used for protection against. In the AFE4007 relay protection and automated power system trainer, the equipment provides a variety of experiments to simulate faults, which can help users understand various fault response plans and automation solutions. The equipment has excellent grounding performance and can ensure the. The DB-DL07 Power Automation and Relay Protection Experimental Device is a novel experimental device designed and developed by integrating teaching content from multiple professional courses in higher education institutions, including "Relay Protection," "Electrical Equipment," "Automatic Devices,". All 19 Engineering Science Kits are on Ex Stock meaning immediate dispatch to your labs For use with a selection of interchangeable relays units to allow students to investigate the theory and practice of electrical power system protection. If you have any questions or you'd like to discuss a.