ΥΠΟΣΤΑΘΜOI ΜΕΣΗΣ ΤΑΣΗΣ - ΣΥΝΤΗΡΗΣΗ

To obtain the certificate, the participant attended a training program at a licensed Lifelong Learning Center

Syllabus

• Characteristics of Medium Voltage Substations – Definitions
• Need to install MV substations
• Types of MV supplies from Power Plants
• Basic parts of MV substation installations
• Component symbols
• Power Transformers
• Construction Structure of Power Transformers: Magnetic and Electric Circuit
• Determination of Transformer Power – Permitted Load
• Transformer Winding Connections and Coding
• Paralleling of Transformers
• Basic Equipment of Oil-immersed Medium Voltage Transformers
• Basic Equipment of Dry-Type Medium Voltage Transformers
• Protections of Medium Voltage Transformers
• Basic Maintenance Issues of Medium Voltage Transformers
• Switching and Control Devices in MV Supplies – Medium Voltage Switchboards
• Medium Voltage Cables
• Medium Voltage Fuses
• Load Switches – Circuit Breakers
• Disconnectors – Earthing Switches
• M.V. Substation Switchboards, Operating Conditions, Electrical – Mechanical Interlocks
• Measurement Transformers
• Current Transformers
• Voltage Transformers
• Measurement Connections
• Earthings
• Low Voltage Distribution Systems TN – TT – IT
• Measurement of Medium Voltage Substation Earthings
• Measurement of Earthing Resistance
• Step Voltages
• Personal Protective Equipment and Intervention Rules
• Personal Protective Equipment: Types – Use – Control
• Work Rules in M.V.
• Basic Substation Maintenance Operations
• Elements of Substation Buildings