Overview

Dear All,A distance protection relay is one of the most important and artistic. A distance relay is a type of protection relay most often used for transmission line protection. Distance relays measure the impedance from the installation side to the fault location and operate in response to changes in the ratio of measured current and voltage.Distance protection schemes are commonly employed for providing the primary protection and backup protection for AC transmission lines and distribution lines against three-phase faults, phase-to-phase faults, and phase-to-ground faults.ITrainer 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.The following topics are covered in this course.Single Line Diagram of SubstationCourse will start with explanation of single line diagram of substation Understand substation configurationGetting required data of transmission lineHow line impedance is gatheredSelection of adjacent line, shortest & longestHow to set zone reaches for Z1,Z2 & Z3Current and voltage transformersPrimary and secondary valuesWhat is transformation factor & how to calculate itPositive and zero sequence impedancesPhase to ground compensation factorHow to calculate Ko for composite linesWhat is Line angle and load angleWhat is line impedanceHow to select relay characteristics Mho or QuadHow to do Zone 1, 2 & 3 calculationsHow to set non-homogeneous angleWhat is load encroachment and how to avoid itPower swing blockingOut of step trippingStable and unstable power swingSwitch on to faultSeal in timeLoss of potentialBest Regards

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