Краткое изложение дисциплины Теория электрических цепей, Примеры решения задач, Часть 2, Батюков С.В., Иваницкая Н.А., 2023

Краткое изложение дисциплины Теория электрических цепей, Примеры решения задач, Часть 2, Батюков С.В., Иваницкая Н.А., 2023.

   Содержит основные теоретические положения по расчёту линейных электрических цепей переменного тока, примеры расчёта цепей данного типа, а также задачи для самостоятельного решения.




RMS Value (the Root .Mean Square Value).
The term RMS stands for root mean square. The RMS value represents the ability of the waveform to do useful work. For this reason RMS value is often called effective value. The concept of effective value is an important one; in practice, most ac voltages and currents are expressed as effective values.

The RMS value of sinusoidal current is actually a measure of the heating effect of the sine wave. The RMS value of sinusoidal current is equal to the dc current that produces the same amount of heat in a resistance as does the sinusoidal current.

Content.
PREFACE.
1. INTRODUCTION TO AC CIRCUIT ANALYSIS.
1.1. Sinusoidal AC Voltage and Current.
1.2. Phase Shifts: ψv and ψi.
1.3. Phase Difference: φ.
1.4. RMS Value (the Root Mean Square Value).
2. RESPONSE OF BASIC R, L AND C ELEMENTS TO A SINUSOIDAL VOLTAGE OR CURRENT.
2.1. Resistance and Sinusoidal AC.
2.2. Inductance and Sinusoidal AC.
2.3. Capacitance and Sinusoidal AC.
3. COMPLEX NUMBER IN AC ANALYSIS.
3.1. Introduction to Phasors.
3.2. Representing AC Voltages and Currents by Complex Numbers.
4. OHM’S LAW IN COMPLEX FORM.
5. IMPEDANCE CONCEPT.
6. AC SERIES AND PARALLEL CIRCUITS.
6.1. Series Configuration. The KVL in the Complex Form.
6.2. Parallel Configuration. The KCL in the Complex Form.
7. POWER IN COMPLEX FORM. THE POWER TRIANGLE.
8. RESONANCE.
8.1. Introduction.
8.2. Series Resonance. The Resonant Condition.
8.3. Series Resonance. The Resonant Frequency.
8.4. Series Resonance. Current at Resonance.
8.5. Series Resonance. Voltages at Resonance. Phasor Diagram at Resonance.
8.6. XL, XC and Zt Versus Frequency in the Series Resonant Circuit.
8.7. Phase Angle as a Function of Angular Frequency.
8.8. The Quality Factor (Q) or Q-factor.
8.9. VR, VL, VC Versus Frequency.
8.10. Characteristic Reactance.
8.11. Bandwidth.
8.12. Selectivity.
8.13. Parallel Resonance. Resonance at an Ideal Parallel Circuit.
8.14. An Almost Ideal Parallel Circuit.
8.15. A Practical Parallel Resonant Circuit. Condition of Resonance.
8.16. Q-factor and Bandwidth in a Parallel Network.
8.17. V, IL, IC, It Versus Frequency.
8.18. Phase Angle Versus Frequency.
9. AC CIRCUIT. TASKS.
List of Literature.



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