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Fundamental of Electrical Power System Protection - 2.56GB

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    Fundamental of Electrical Power System Protection

    This course introduces electrical engineering about Substation power system protection with field examples.

    Fundamental of Electrical Power System Protection

    What you'll learn:
    Introduction to Protection Philosphy
    Going through history of power system network
    Advantages & Disadvantages of Power Network
    Introduce to concept of SCADA, Smart Metering, Micro Grid
    Introduction to Cascade Faults in network
    How Power Quality of Network is assessed
    Briefing on Flase Tripping due to poor relay coordination
    What is meaning of localization of fault
    What are Fault & Even Records
    Fault investigation
    What is Comtrade file
    Synch & Auto Reclosing, Power Swing
    What is required to protect
    Step & Touch Potential Hazards
    Lighting Protection Explained
    What is purpose of protection
    Step Potential Hazard near fallen conductor
    Reason of Massive Blackouts and how to avoid them
    How to Limit damage
    Why Gravel is laid in AIS
    Voltage or Current Which is lethal
    Introduction to earth leakage Relay
    Protection System Characteristics Selectivity. Sensitivity. Speed. Reliability. Simplicity. Economy.
    Relationship of Sensitivity and relay burden
    Which relay have more buden 1 Amp of 5 Amp?
    Identify what primary, secondary and control equipments are
    Difference among Circuit Breaker, Isolator & Load Break Switch
    System Primary Components, Lighting Arrestor, CT,VT CB, Isolator, Busbar, Lighting Mast, AIS, GIS, T/F,MV SWGR, Batteries, Chargers
    Introduction to Single Line Diagram
    Introduction of Schematics / Detail Drawings
    Introduction to Interlock Logic Diagram
    Explained GIS, LCC, Gas Diagram, Gas compartment
    Explained basic components Harting Plug, terminal block Din Rail
    Auxiliary Relays and its type
    Magnetic Contactors
    Main Relays & Protection Panels
    What is Burden and how to find relay rated burden
    Engineering Design Phase intro
    Manufacturing & Delivery Phase intro
    Installation Testing & Commissioning Phase
    Maintenance Phase , concept of life cycle cost, Maintenance cost
    What are Zones of Protection, Zone Over lapping, Primary & Backup protection, duplicate protection
    Feeder, motor, Generator & Line protection Zone by example
    Understand Selectivity & Zones of protection
    How Zones help to localize the fault
    What is meaning of close & open zone
    Tele Protection , Backup protection at local & Remote loaction
    Understanding how different elements of Protection system operates
    Classification of Relays
    Electromechnical , Digital , Microprocessor based & Numerical Relays
    Attracted Armature Type, Plunger Type, Induction Disk type, Induction cup type, D´Arsonval unit, Thermal Relays
    Interposing C.T , Phase & Ration Compensation requirements for transformer differential protection
    Intro to Sensor, SF6 Gauges, Winding & Oil Temperature Gauges, Pressure relief device, sudden pressure device, Buchholz Relays
    Introduction to definite time and inverse time Over Current Relays
    Introduction to Directional Over Current Relays
    Introduction to Magnitude & Differential Protection
    What are phase comparison relays and how they operate
    Introduction to breaker fail & busbar protection
    Factors Influencing Relay Performance
    Basic Electrical Theory, Ohm’s Law, Kirchhoff’s Current Law, Kirchhoff’s Voltage Law, Per unit System
    How to calculate three phase power, rated primary and secondary current of Power transformer
    How to calculate short circuit MVA, short circuit HV & LV current of transformer
    Calculate Arc flash Hazard of transformer
    Understanding Phases, Balance & Unbalance System, Three Phase, Phase to Phase & Single Phase Faults
    Understanding Symmetrical Components
    Current Transformer, Types, polarity, Saturation, ratio, error of C.T, Metering & Protection Core, Knee Point, Burden
    Why C.T should never be open circuited, Why C.T secondary is grounded, Why Single point earthing is done.
    What is star point towards line and bus means
    Understand Accuracy limit factor & Name plate of C.T, Classes of C.T
    Voltage transformer & its type, Error in voltage transformer, what is CCVT,
    Ferro Damping & Compensating Reactor in CCVT, Why V.T secondary is grounded, Why Single point earthing is done.
    Metering & Protection Core of V.T, Accuracy class, How to connect V.T secondary, Star & Open delta connections
    Voltage Drop in V.T circuit, Voltage Factor, Ferro-Resonance in Magnetic Voltage Transformer
    Substation Batteries, Why Batteries are required, types of batteries
    How to measure capacity of Battery, What mean by AH, Specific gravity, Hydro Meter, Voltage per Cell & per bank
    Explained DC system Single Line Diagram , How to do Maintenance of Batterries
    Battery Charger, What is charger scheme in substation, Dropping Diodes, Terminal voltage, Float Boast & Trickle Charging,
    Understanding Single Line Diagram of Charger
    Ground of DC System, Why it is required, How it is done, DC Earthing problem in substation
    What are capacitor storage trip units
    Introduction to ANSI device numbers
    Relays Application for Feeder, Generator, Motor, transformer, busbar. Which type of protection relays are installed
    Concept of internal, external & through fault
    Why transformer differential is different from Busbar differential
    Introduction to Circuit Breaker, types of circuit breaker, . Bulk oil circuit-breaker B. Minimum oil circuit-breaker C. Air blast circuit-breaker D. Vacuum circuit-breaker E. SF6 circuit-breaker F. HVDC circuit-breaker
    Understand Circuit Breaker Operating Cycle
    Circuit Breaker, Anti pumping, Pole discrepancy, Trip Circuit Supervision Schems
    Identify what primary, secondary and control equipments are
    Explain how an over current & earth fault relay operates
    Explain how the currents and voltages vary during all three phase fault conditions
    Draw what an electrical protection system looks like
    Equip a protection panel and identify all of the main equipments
    Understand the requirements for a current transformer

    Requirements
    The basic electrical principles
    A basic understanding of electrical engineering

    Description
    Protection & control systems are a critical part of the transmission & distribution systems that feed power to mega cities & industries.

    The aim of this course is to introduce all of the basic principles associated with electrical power systems protection with examples.

    I have try my best to include practical example from the filed as I have 17 years of field experience in substations. I have included real examples, equipment name plate, Single line diagram, real field examples.

    The course will go into detail for the following key topics :-

    Introduce all of the key concepts of protection system, power quality, reliability, fault & event recording.

    Show the basic principles behind electrical protection philosophy

    Explained cascade tripping, Comtrade files, how to localize the faults

    Look at step & touch potential concept, Voltage or Current which is lethal

    Why gravel is used in substation, How to protect equipment & human

    Look at Earth Leakage Relay, How it operates

    Understand protection philosophy, A)Selectivity. B) Sensitivity. C) Speed. D) Reliability. E) Simplicity. D)Economy.

    Relationship between selectivity and zones of protection. open & close zones, tele protection

    Look at Primary, backup & duplicate protection

    Look at relay classification, Electromechanical, Digital, Microprocessor & Numerical relays

    What are phase & ration compensation in transformer differential protection, interposing C.Ts

    How Over Current , Earth fault relay operates

    How Direction Over current relay, Definite time & inverse time over current relay operates.

    Understand Magnitude, differential & phase comparison principles

    look at working principal of Breaker failure relay

    look at basic electrical theory, Ohms Law, KVL, KCL, Calculate HV & LV rated & short circuit current transformer

    Introduction to per unit system, how to evaluate arc flash hazard using per unit system

    look at three phase systems, balanced, unbalanced, three phase fault, phase to phase fault, phase to ground fault

    Understand Symmetrical components

    Look at primary & secondary equipment

    Understand Auxiliary relays, Main relays, Contactors

    Difference between Circuit Breaker & Isolator & Load Break Switch

    Understand concept of interlocking

    Understand surge arrestor & surge counter

    look at GIS, AIF & MV SWGR

    Look at CB operating cycle, pole discrepancy, anti pumping, trip circuit supervision schemes.

    Intro to ANSI device codes

    Introduction to internal, external & through faults

    Look at Capacitor Storage trip units

    Show batteries & charger, how they work, Single Line Diagram of DC system, Single Line Diagram of Charger

    look at LCC, Gas diagram, Gas compartment, Gas permeable & Gas tight

    introduction to Relay Coordination

    Look at complete protection engineering cycle Design Phase, Manufacturing Phase, Shipment Phase, Inspection , T&C, Maintenance

    Look at three phase currents and see how they can be broken down into sequence components and harmonics.

    Provide the basic principles behind current transformers, how they operate and need to be connected

    Show how voltage transformers operate and introduce the key types

    Go into detail on what happens when a fault occurs on the system

    Look into circuit breaker control and protection systems and how they interact with the protection systems.

    The main protection relay we will look at on this course is over protection. We go into detail on the basic and more advanced versions and show how this relay can be put to good use to provide great fault discrimination

    Look at the different types of earth fault relays and see how they can be used to protect some key equipment\s

    By the end of the course the student will be able to identify all of the key components of a protection & control system, understand how all of these components fit together to create a fully integrated system, protection fundamental concept, protection schemes & relays, battery charger & batteries.

    By the end of the course the student will be able to

    Remember that Udemy offers a 30-day money-back guarantee. I am also always available for questions while you go through the course to ensure everything is clear.

    See you in the course!

    Who this course is for
    Electrical Engineering Undergraduates
    Electrical Engineering Graduates
    Technicians
    Power/Utility Engineer
    Anyone interested in electrical engineering


    MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
    Genre: eLearning | Language: English + srt | Duration: 86 lectures (8h 39m) | Size: 2.56 GB


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