CVE Relay Instruction Leaflet

This document provides detailed technical specifications, operating principles, and application guidance for the CVE relay family, including CVE-1, CVE-2, and CVE-3 variants, used in power system synchronism-check and automatic reclosing schemes. It describes the construction and function of the CVE unit's operating and restraining elements, indicating contactor switches, and external relay configurations for hot line/dead bus, hot bus/dead line, and synchronism-check operations.