Overview

Dear All,Welcome to the course "Mastering Medium Voltage Schematics". This training starts from a very basic level to an advanced level. Focus has been given to delivering practical and hands-on knowledge.Trainer Introduction:Your trainer brings over 21 years of experience in operation & maintenance, erection, testing, project management, consultancy, supervision, substation automation, SCADA, and commissioning. With a background spanning power plants, high voltage substations, and HVDC installations, he has worked with renowned organizations such as Siemens Saudi Arabia. He has been involved in over 20 high-voltage substation projects across Pakistan and Saudi Arabia.His expertise encompasses a wide range of areas including protection systems, substation automation systems, design, testing, and commissioning of power generation systems, high voltage switchgear, protection relays, and control schemes. He has a proven track record of leading testing and commissioning teams for implementing electrical infrastructure projects for industrial clients, including steel and petrochemical industries.This online course is part 05 of the Mastering Medium Voltage Switchgear drawings. In this part, we have covered the following topics.Single Line Diagram of Bus SectionSingle Line Diagram of Capacitor BankTrip Command and logic table ( Bus Section )Trip Command and logic table ( Capacitor Bank )Bus Section VT LoopCapacitor Bank VT ConnectionCapacitor Bank Door interlock with earth switchBus Section interlocksFeeder interlock with busbar earth switchBus Section Lockout circuitWhat is bistable relayBus Section CT shorting circuitZone MergingCT shorting via bistable relayBusbar Earth Switch ShemeCB Trip control Local / Remote / Emergency / OFFTripping from Local / RemoteTripping from EmergencyTrip coil 1 & 2 circuitTripping from OC relayTripping from BB relayTripping from UV / UF RelayTrip circuit supervision relayIndication circuitBinary input circuitLoop supervisionDC supply supervisionBest Regards

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