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Related Concept Videos

Th&#233venin Equivalent Circuits01:18

Thévenin Equivalent Circuits

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The household power distribution system, encompassing distribution lines and transformers, serves as the primary network. Electrical appliances within a household can be represented as load impedance. To simplify this intricate distribution system, Thévenin's theorem can be applied to create a Thévenin equivalent circuit. If an AC circuit is partitioned into two parts (circuit A and circuit B), connected by a single pair of terminals as shown in Figure 1.
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Thevinin's Theorem01:15

Thevinin's Theorem

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Thévenin's theorem plays a pivotal role in electrical circuit analysis, offering a solution to the challenges posed by variable loads within a circuit. In practical applications, it is common to encounter circuits where certain elements remain fixed while others fluctuate, often referred to as the "load." A typical household electrical outlet serves as a prime example of a variable load, as it can be connected to a variety of appliances, each with its own unique electrical characteristics.
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The Maximum Power Transfer Theorem01:20

The Maximum Power Transfer Theorem

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Consider a linear AC Thevenin equivalent circuit connected to a load impedance.
The load connected draws the current, and the circuit delivers the power to the load. The alternating current flowing through the load is determined using the rectangular form of voltages, currents, network impedance, and load impedance. The average power delivered to the load is obtained from the product of the square of current and load resistance.
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Maximum Power Transfer01:16

Maximum Power Transfer

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Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
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Norton Equivalent Circuits01:16

Norton Equivalent Circuits

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Norton's theorem is a fundamental concept in the field of electrical engineering that allows for the simplification of complex AC circuits. The theorem states that any two-terminal linear network can be replaced with an equivalent circuit that consists of an impedance, which is parallel with a constant current source. Figure 1 shows the AC circuit portioned into two parts: Circuit A and Circuit B, while Figure 2 depicts the circuit obtained by replacing Circuit A by its Norton equivalent...
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Norton's Theorem01:14

Norton's Theorem

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Norton's theorem is a fundamental principle stating that a linear two-terminal circuit can be substituted with an equivalent circuit, which comprises a current source (ⅠN) in parallel with a resistor (RN). Here, ⅠN represents the short-circuit current flowing through the terminals, and RN stands for the input or equivalent resistance at the terminals when all independent sources are deactivated. This implies that the circuit illustrated in Figure (a) can be exchanged with the one depicted...
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Thévenin acoustics.

Randall P Williams1, Neal A Hall1

  • 1Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, USA.

The Journal of the Acoustical Society of America
|January 2, 2017
PubMed
Summary
This summary is machine-generated.

Thévenin's theorem simplifies acoustic system analysis, especially for mobile scattering objects. This method offers an alternative approach to acoustic scattering and transmission problems, potentially simplifying complex physical acoustics challenges.

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Area of Science:

  • Acoustics
  • Physical Acoustics
  • Electrical Engineering

Background:

  • Thévenin's theorem is widely used for analyzing acoustic transducers.
  • Its application can be extended beyond analogous circuit models to broader acoustic systems.
  • Mobile scattering objects present unique challenges in acoustic analysis.

Purpose of the Study:

  • To demonstrate the utility of Thévenin's theorem in analyzing acoustic systems beyond traditional circuit models.
  • To provide an alternative derivation of the acoustic mass law.
  • To apply the method to acoustic scattering from a mobile cylinder.

Main Methods:

  • Application of Thévenin's theorem to acoustic systems.
  • Derivation of the acoustic mass law using Thévenin's theorem.
  • Analysis of acoustic scattering from a rigid, mobile cylinder in a plane progressive wave.

Main Results:

  • An alternative derivation of the acoustic mass law was achieved.
  • The method was successfully applied to acoustic scattering from a mobile cylinder.
  • Potential simplifications for other physical acoustics problems were identified.

Conclusions:

  • Thévenin's theorem offers a versatile and simplifying approach for analyzing acoustic systems, including scattering phenomena.
  • The method is particularly advantageous for systems with mobile components.
  • This Thévenin-inspired approach holds promise for simplifying complex problems in physical acoustics.