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Basic Electrical Engg. UNIT:-IV AC Fundamental

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Presentation on theme: "Basic Electrical Engg. UNIT:-IV AC Fundamental"— Presentation transcript:

1 Basic Electrical Engg. UNIT:-IV AC Fundamental
Prof. A. B. Kasar Assistant Professor Department of Applied Sciences & Engineering HOPE FOUNDATION’S INTERNATIONAL INSTITUTE OF INFORMATION TECHNOLOGY, I²IT, PUNE

2 Overview of Presentation
Definition of Alternating Quantity RMS or Effective Value Average Value Phasor Representation AC circuit with a pure resistance AC circuit with a pure Inductance AC circuit with a pure Capacitance Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

3 Definition of Alternating Quantity
An alternating quantity changes continuously in magnitude and alternates in direction at regular intervals of time. Important terms associated with an alternating quantity are defined below. Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

4 Important Definations
1. Amplitude It is the maximum(+ve or -ve) value attained by an alternating quantity. Also called as maximum or peak value 2. Time Period (T) It is the Time Taken in seconds required to complete one cycle of an alternating quantity. Denoted by T 3. Instantaneous Value It is the value of an alternating quantity at any instant. Instatenios values denoted by small letters 4. Frequency (f) It is the number of cycles that occur in one second. The unit for requency is Hz or cycles/sec. The relationship between frequency and time period can be derived as follows. Time taken to complete f cycles = 1 second Time taken to complete 1 cycle = 1/f second T = 1/f Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

5 Important Definations
5. Angular Frequency (ω) Angular frequency is defined as the number of radians covered in one second(ie the angle covered by the rotating coil). The unit of angular frequency is rad/sec. ω=2πf Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

6 MIDC Phase 1, Hinjawadi, Pune – 411057
AVARAGE VALUE Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

7 AVARAGE VALUE NUMERICAL
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

8 AVARAGE VALUE NUMERICAL
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

9 MIDC Phase 1, Hinjawadi, Pune – 411057
RMS/EFFECTIVE VALUE Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

10 RMS/EFFECTIVE VALUE NUMERICAL
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

11 RMS/EFFECTIVE VALUE NUMERICAL
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

12 FORM & PEAK(CREST) FACTOR
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

13 Phasor Representation
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

14 MIDC Phase 1, Hinjawadi, Pune – 411057
Continue…. Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

15 MIDC Phase 1, Hinjawadi, Pune – 411057
Continue…. Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

16 MIDC Phase 1, Hinjawadi, Pune – 411057
Continue…. Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

17 AC circuit with Pure Resistance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

18 AC circuit with Pure Resistance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

19 AC circuit with Pure Inductance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

20 AC circuit with Pure Inductance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

21 AC circuit with Pure Inductance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

22 AC circuit with Pure Capacitance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

23 AC circuit with Pure Capacitance
Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

24 MIDC Phase 1, Hinjawadi, Pune – 411057
References Sr. No. Book Name Authors Vol. No. Publisher 1 Electrical Technology H Cotton CBS Publicati 2 A textbook of Electrical Technology B.L.Theraja Volume I S Chand 3 Basic Electrical & Electonics Engineering S.K. Bhattacharya Pearson 4 Basic Electrical Engineering D.C Kulsshrestha Tata McGraw Hill 5 Edward Hughes Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 | |

25 THANK YOU For further details, please conctact Amit B Kasar
Department of Applied Sciences & Engineering Hope Foundation’s International Institute of Information Technology, I²IT P-14,Rajiv Gandhi Infotech Park MIDC Phase 1, Hinjawadi, Pune – Tel /2/3 |

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