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Calculation-graphic work by SOC №1 "calculation mode in a complex electrical circuit DC methods Kirchhoff's laws, loop currents, nodal" problem book on "Theoretical Foundations of Electrical Engineering: Methodical instructions and control tasks for students of technical specialties universities' / LA Bessonov, IG Demidov, ME Zarudi et al. - 3rd ed., Rev. - M .: Higher. wk., 2003. p. 11-19, the problem 1.1 21 embodiment, Fig. 1.15 Table. 1.1
Objective 1.1 Linear circuits DC
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For electrical circuits the corresponding version number and shown in Fig. 1.1 - 1.20, as follows:
1. Simplify the scheme, replacing the series and parallel resistor fourth and sixth branches equivalent. Further calculation (p. 2 - 10) lead to the simplified scheme.
2. Be on the basis of Kirchhoff's laws of equations to calculate currents in all branches of the circuit.
3. Determine the currents in all branches of the circuit mesh analysis.
4. Determine the currents in all branches of the circuit nodal analysis.
5. The results of calculations of currents conducted by two methods (mesh analysis and nodal analysis) to tabulate and compare with each other.
6. Create the balance of power in the original scheme (a scheme with a current source), by calculating the total power sources and the total power load (resistance).
7. Determine the current I1 in a predetermined condition on the circuit with a current source, using the method of the equivalent generator (in this embodiment, no).
8. Draw a potential diagram for each closed circuit, including both EDS.
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The decision is made in the program MathCad. In order to print the solution of the problem you need to download and install on your computer MathCad to open any of its solutions suitable version. You can use MathCad Portable downloading it on the page: http://freewriters.narod.ru/toe_rgr_po_bessonovu/
Carefully check against the original data. If the figures (the resistances, EMF) different from yours - enter their data in the MathCad solution automatically changed (converted) when you change the source data.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
For electrical circuits the corresponding version number and shown in Fig. 1.1 - 1.20, as follows:
1. Simplify the scheme, replacing the series and parallel resistor fourth and sixth branches equivalent. Further calculation (p. 2 - 10) lead to the simplified scheme.
2. Be on the basis of Kirchhoff's laws of equations to calculate currents in all branches of the circuit.
3. Determine the currents in all branches of the circuit mesh analysis.
4. Determine the currents in all branches of the circuit nodal analysis.
5. The results of calculations of currents conducted by two methods (mesh analysis and nodal analysis) to tabulate and compare with each other.
6. Create the balance of power in the original scheme (a scheme with a current source), by calculating the total power sources and the total power load (resistance).
7. Determine the current I1 in a predetermined condition on the circuit with a current source, using the method of the equivalent generator (in this embodiment, no).
8. Draw a potential diagram for each closed circuit, including both EDS.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
The decision is made in the program MathCad. In order to print the solution of the problem you need to download and install on your computer MathCad to open any of its solutions suitable version. You can use MathCad Portable downloading it on the page: http://freewriters.narod.ru/toe_rgr_po_bessonovu/
Carefully check against the original data. If the figures (the resistances, EMF) different from yours - enter their data in the MathCad solution automatically changed (converted) when you change the source data.
