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Thread: Practical Introduction to Power System Protection & Control

  1. #1
    Fuchcha FaaDoO Engineer
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    Pdf 32 Practical Introduction to Power System Protection & Control

    this book is most use full for student....download this.....



    POWER SYSTEMS PRINCIPALS ……………………….……………… 1
    POWER SYSTEM FAULTS ………………………...……………………... 1
    Fault Causes ………………………………………………………………. 2
    Fault Effects ……………………………………………………………… 3
    Fault Types ………………………………………………………………… 3
    Symmetrical Components and Fault Types ……………………………4
    INSTRUMENT TRANSFORMER …………………………………... …….5
    Basic Idea of Instrument Transformer …………………………………5
    Current Transformer ……………………………………………….……. 6
    Measuring And Protection Cores …………………………………. 7
    Open Circuit Current Transformer …………………………..……9
    Voltage Transformer …………………………………………………..…10
    DC SYSTEM ……………………………………………………..………………12
    DC-Earth Fault Alarm Device ……………………………………….…13
    PROTECTION RELAYS ………………………………………………….…14
    Over Current Protection ……………………………………………...…15
    Instantaneous Over Current Relay …………………………….…15
    Definite Time Over Current Relay ……………………………..…16
    Inverse Time Over Current Relay ……………………………...…19
    Direction Over Current Relay …………………………………..…19
    Earth Fault Relay …………………………………………...……………21
    Instantaneous, Definite Time, and Inverse Time Types …………21
    Directional Earth Fault Relay ……………………………..………24
    Transmission Line Protection …………………………………..………25
    Distance Relays ………………………………………………….…27
    Directional Impedance Relay Characteristics ……..……………28
    Mho Characteristic …………….…………………………….……29
    Multi-Stage Distance Relay ……………………………………..…29
    Quadrilateral Characteristics …………………………………..…30
    Under Reach …………………………………………………….…31
    Over Reach ……………………………...…………………………33
    Ground Faults and Compensation Factor ………………………. 33
    Distance Protection Schemes ………………………………...……34
    Power Swing ……………………………………………………...…40
    II
    Differential Relays …………………………………………………..……41
    Principles Of Differential Relay ………………………………..…41
    External Fault Condition ……………………………………….…42
    Internal Fault Condition ………………………………………...…42
    Biased Differential Relay ……………………………………….….43
    Practical Example Of Differential Relay …………………………44
    Tripping Characteristics And Harmonic Restrain ………………46
    Differential Relays And Inrush Current …………………………48
    Restricted Earth Fault Relay ……………………………..……………50
    Mechanical Protection ……………………………………………..……52
    Buchholz Relay ………………………………………………….…52
    Winding Temperature Indicator …………………………………54
    Oil Temperature Indicator …………………………………...……56
    Pressure Relief …………………………………………………..…56
    Bus Bar Protection ………………………………………………………59
    External Faults ………………………………………………….…60
    Internal Fault ………………………………………………….……60
    Practical Example Of Bus Bar Protection …..……………………62
    Tripping Circuit of Bus Bar Protection ……………………..……63
    Breaker Failure……………………………………………………………65


  2. #2
    Junior FaaDoO Engineer simit19mishra91's Avatar
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    Re: Practical Introduction to Power System Protection & Control

    sir if u have any good book on "power system protection" please upload.
    because in the above attachment nothing is given regarding thermal overloading and all.
    If anybody has got POWER SYSTEM PROTECTION AND CONTROL BY B.A. OZZA's soft copy upload it!!!

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