Switchgear and Protection Pdf Notes – SGP Pdf Notes

Here you can download the free lecture Notes of Switchgear and Protection Pdf Notes – SGP Pdf Notes materials with multiple file links to download. Switchgear and Protection Notes Pdf – SGP Notes Pdf book starts with the topics

Switchgear and Protection Notes - SGP Notes - SGP Pdf Notes
Switchgear and Protection Pdf Notes – SGP Pdf Notes

The Switchgear and Protection Pdf Notes – SGP Pdf Notes

Please find the download links of Switchgear and Protection Notes – SGP Notes – SGP Notes are listed below:

Switchgear and Protection Book

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Complete Notes

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Unit 1

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Unit 2

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Unit 3

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Unit 5

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Unit 8

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Switchgear and Protection Notes Details

UNIT – I Circuit Breakers-1

Circuit Breakers: Elementary principles of arc interruption, Recovery, Restriking Voltage and Recovery voltages.- Restriking Phenomenon, Average and Max. RRRV, Numerical Problems – Current Chopping and Resistance Switching – CB ratings and Specifications: Types and Numerical Problems. – Auto reclosures

UNIT – II Circuit Breakers-2

Description and Operation of following types of circuit breakers: Minimum Oil Circuit breakers, Air Blast Circuit Breakers, Vacuum and SF6 circuit breakers.

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UNIT – III Electromagnetic and Static Relays

The principle of Operation and Construction of Attracted armature, Balanced Beam, induction Disc and Induction Cup relays. Relays Classification: Instantaneous, DMT and IDMT types. Application of relays: Over current/ Under voltage relays, Direction relays, Differential Relays, and Percentage Differential Relays. Universal torque equation, Distance relays: Impedance, Reactance and Mho and Off-Set Mho relay, Characteristics of Distance Relays and Comparison. Static Relays: Static Relays verses Electromagnetic Relays

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UNIT – IV Generator Protection

Protection of generators against Stator faults, Rotor faults, and Abnormal Conditions. Restricted Earth fault and Inter-turn fault Protection. Numerical Problems on % Winding Unprotected.

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UNIT – V Transformer Protection

Protection of transformers: Percentage Differential Protection, Numerical Problem on Design of CT s Ratio, Buchholtz relay Protection.

Switchgear and Protection Notes Pdf – SGP Notes Pdf

Download SGP Notes – 5

UNIT – VI Feeder and Bus-Bar Protection

Protection of Lines: Over Current, Carrier Current and Three-zone distance relay protection using Impedance relays. Translate Relay. Protection of Bus bars – Differential protection.

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UNIT – VII Neutral Grounding

Grounded and Ungrounded Neutral Systems.- Effects of Ungrounded Neutral on system performance. Methods of Neutral Grounding: Solid, Resistance, Reactance – Arcing Grounds and Grounding Practices.

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UNIT – VIII Protection against overvoltages

Generation of Over Voltages in Power Systems.-Protection against Lightning Over Voltages – Valve type and Zinc-Oxide Lighting Arresters – Insulation Coordination -BIL, Impulse Ratio, Standard Impulse Test Wave, Volt-Time Characteristics.

Download SGP Notes – 8

TEXTBOOKS: Switchgear and Protection Notes – SGP Notes – SGP Pdf Notes

  1. Switchgear and Protection – by Sunil S Rao, Khanna Publishers
  2. Power System Protection and Switchgear by Badari Ram, D.N Viswakarma, TMH Publications

REFERENCE BOOKS: Switchgear and Protection Notes – SGP Notes – SGP Pdf Notes

  1. Fundamentals of Power System Protection by Paithankar and S.R.Bhide.,PHI, 2003
  2. Art & Science of Protective Relaying – by C R Mason, Wiley Eastern Ltd.
  3. Electrical Power Systems – by C.L.Wadhwa, New Age International (P) Limited, Publishers, 3rd edition
  4. A Textbook on Power System Engineering by B.L.Soni, Gupta, Bhatnagar, Chakrabarthy, Dhanpat Rai & Co.

Note:- These notes are according to the r09 Syllabus book of JNTUH.In R13 ,8-units of R09 syllabus are combined into 5-units in the r13 syllabus. Click here to check all the JNTU Syllabus books 

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