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The app is a complete free handbook of  SwitchGear and Protection which covers important topics, notes, materials, news & blogs on the course. Download the App as a reference material & digital book for electrical engineering programs & degree courses. 

This useful App lists 152 topics with detailed notes, diagrams, equations, formulas & course material, the topics are listed in 9 chapters. The app is must have for all the engineering science students & professionals. 

The app provides quick revision and reference to the important topics like a detailed flash card notes, it makes it easy & useful for the student or a professional to cover the course syllabus quickly before an exams or interview for jobs. 

Track your learning, set reminders, edit the study material, add favourite topics, share the topics on social media. 

Use this useful engineering app as your tutorial, digital book, a reference guide for syllabus, course material, project work, sharing your views on the blog. 

Some of the topics Covered in the app are:

1.	Functions of Protective Relaying

2.	Protective zones

3.	Primary and Backup Protection

4.	Concept of Backup Relaying

5.	Methods of Backup Protection 

6.	Nature and Causes of Faults

7.	Fault Current Calculation using Symmetrical Components

8.	Qualities of Protective Relaying - Reliability & Selectivity and Discrimination

9.	Qualities of Protective Relaying - Speed and time & Sensitivity

10.	Qualities of Protective Relaying - Stability, Adequateness & simplicity and economy

11.	Classification of Protective Relays

12.	Terminologies used in Protective Relaying

13.	Instrument Transformers

14.	Tripping Schemes In Circuit Breaker -Relay with Make Type Contact

15.	Working Principle of Current Transformers

16.	Construction of Wound type Current Transformers 

17.	Construction of Bar Type Current Transformers

18.	Construction of potential transformers

19.	Comparison of Current Transformer and Power Transformer

20.	Errors in the Instrument Transformer - Ratio Error

21.	Errors in the Instrument Transformer -  Phase Angle Error

22.	Reduction of Ratio and Phase Angle Errors

23.	Advantages and Disadvantages of Instrument Transformers

24.	Introduction to Electromagnetic Relays

25.	Tripping Schemes In Circuit Breaker - Relay with Break type contact

26.	Electromagnetic Attraction Relays - Attracted Armature Type Relay

27.	Electromagnetic Attraction Relays - Solenoid and plunger type relay

28.	Operating Principle of Electromagnetic Attraction Relays

29.	Advantages, disadvantages and application of Electromagnetic Relays

30.	Directional Power Relay

31.	Directional Induction Type Overcurrent Relay

32.	Operation of Directional Induction Type Overcurrent Relay

33.	Directional Characteristics of Induction Type Overcurrent Relay

34.	Introduction to Differential Relays

35.	Current differential relay

36.	Percentage Differential Relay

37.	Voltage Balance Differential Relay

38.	Busbar Protection, Faults & Difficulties

39.	Frame Leakage Protection of Busbar

40.	Circulating Current Protection of Busbar

41.	High Impedance Differential Protection of Busbar

42.	Thermal Relays

43.	Basic Elements of a Static Relay

44.	Measuring element in a static Relay

45.	Comparison of Static and Electromagnetic Relays & Advantage of Static Relays

46.	Limitations & Semiconductor Devices used in Static Relays

Each topic is complete with diagrams, equations and other forms of graphical representations for better learning and quick understanding. 

SwitchGear and Protection is part of electrical engineering education courses and technology degree programs of various universities.

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