{"@context":"https://w3id.org/openbadges/v2","badge":{"criteria":{"narrative":"<p>To obtain the certificate, the participant&nbsp;attended a training program at a licensed Lifelong Learning Center</p>\r\n\r\n<p><strong>Syllabus</strong></p>\r\n\r\n<ul>\r\n\t<li>Characteristics of Medium Voltage Substations &ndash; Definitions</li>\r\n\t<li>Need to install MV substations</li>\r\n\t<li>Types of MV supplies from Power Plants</li>\r\n\t<li>Basic parts of MV substation installations</li>\r\n\t<li>Component symbols</li>\r\n\t<li>Power Transformers</li>\r\n\t<li>Construction Structure of Power Transformers: Magnetic and Electric Circuit</li>\r\n\t<li>Determination of Transformer Power &ndash; Permitted Load</li>\r\n\t<li>Transformer Winding Connections and Coding</li>\r\n\t<li>Paralleling of Transformers</li>\r\n\t<li>Basic Equipment of Oil-immersed Medium Voltage Transformers</li>\r\n\t<li>Basic Equipment of Dry-Type Medium Voltage Transformers</li>\r\n\t<li>Protections of Medium Voltage Transformers</li>\r\n\t<li>Basic Maintenance Issues of Medium Voltage Transformers</li>\r\n\t<li>Switching and Control Devices in MV Supplies &ndash; Medium Voltage Switchboards</li>\r\n\t<li>Medium Voltage Cables</li>\r\n\t<li>Medium Voltage Fuses</li>\r\n\t<li>Load Switches &ndash; Circuit Breakers</li>\r\n\t<li>Disconnectors &ndash; Earthing Switches</li>\r\n\t<li>M.V. Substation Switchboards, Operating Conditions, Electrical &ndash; Mechanical Interlocks</li>\r\n\t<li>Measurement Transformers</li>\r\n\t<li>Current Transformers</li>\r\n\t<li>Voltage Transformers</li>\r\n\t<li>Measurement Connections</li>\r\n\t<li>Earthings</li>\r\n\t<li>Low Voltage Distribution Systems TN &ndash; TT &ndash; IT</li>\r\n\t<li>Measurement of Medium Voltage Substation Earthings</li>\r\n\t<li>Measurement of Earthing Resistance</li>\r\n\t<li>Step Voltages</li>\r\n\t<li>Personal Protective Equipment and Intervention Rules</li>\r\n\t<li>Personal Protective Equipment: Types &ndash; Use &ndash; Control</li>\r\n\t<li>Work Rules in M.V.</li>\r\n\t<li>Basic Substation Maintenance Operations</li>\r\n\t<li>Elements of Substation Buildings</li>\r\n</ul>\r\n"},"description":"<p>Medium Voltage Substation vocational training program for electrical technicians in the maintenance departments of industrial facilities.</p>\r\n","id":"https://my.certifyme.online/openbadge/badgeClasses/v2/14226","image":"https://blr1.digitaloceanspaces.com/apac-badge-image/2526/14226/624159/cert_e1db086114226.png","issuer":{"id":"https://my.certifyme.online/openbadge/profiles/v2/2526","name":"SEV TECHNICAL ACADEMY","type":"Profile","url":"https://sevtechnicalacademy.gr/","verification":{"allowedOrigins":"https://my.certifyme.online"}},"name":"\u03a5\u03a0\u039f\u03a3\u03a4\u0391\u0398\u039cOI  \u039c\u0395\u03a3\u0397\u03a3 \u03a4\u0391\u03a3\u0397\u03a3 - \u03a3\u03a5\u039d\u03a4\u0397\u03a1\u0397\u03a3\u0397","tags":["Electrical engineering","Electrical power distribution systems operation","Electrical equipment maintenance","Electrical safety management","Risk assessment and hazard prevention","Technical troubleshooting","Preventive maintenance planning","Health and safety procedures","Technical documentation and reporting","QA in electrical installations"],"type":"BadgeClass"},"id":"https://my.certifyme.online/openbadge/assertions/v2/e1db086114226","issuedOn":"Mon, 08 Dec 2025 08:21:08 GMT","recipient":{"identity":624159,"type":"ID"},"type":"Assertion","verification":{"type":"hosted"}}