Delmar's Standard Textbook Of Electricity

7th Edition

ISBN: 9781337900348

Author: Stephen L. Herman

Publisher: Cengage Learning

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Textbook Question

Chapter 12, Problem 18RQ

A solar cell can produce a voltage of 0.5 V and has a current capacity of 0.1 A. How many cells should be connected in series and parallel to produce an output of 6 V at 0.3 A?

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Chapter 12, Problem 17RQ

Chapter 12, Problem 19RQ

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A three-phase power supply system with the following specifications is available: Type: Three-phase Voltage: 22 kV Frequency: 60 Hz The system is to be used to charge a battery bank with the following characteristics: Total Power: 56 kW Nominal Voltage: 370 Vdc Choke Coil Specifications: Resistance (R): 0.7 Ω Inductance (L): 0.8 H Two scenarios need to be addressed: Charging at Home: Power: 7 kW Voltage (AC): 220 Vac Charging Station (Fast Charging): Target Charge: 90% of 56 kW (50.4 kW) Charging Time: 30 minutes (0.5 hours) Task: Design a controlled rectification system in Simulink that meets the above requirements for both scenarios. Include the appropriate power electronics components, transformer specifications, and any necessary control mechanisms.

Consider a single-phase power system shown below. The transformer is rated 100 kVA,14/2.4kV. The equivalent series impedance of the transformer, referred to the low-voltage side, is 0.12+j0.50Ω. The load is connected with 2.3kV on the lowvoltage side. (a) Calculate the voltage supplied from the source. (b) Compute the voltage regulation. (c) Compute the transformer efficiency. Ans. V~1=14.4∠3.5∘kV,VR=0.74%,η=0.97

please find the solution for the first circuit as I need help understanding it

Chapter 12 Solutions

Delmar's Standard Textbook Of Electricity

Ch. 12 - 1. What is a voltaic cell? Ch. 12 - What factors determine the amount of voltage...Ch. 12 - What determines the amount of current a cell can...Ch. 12 - 4. What is a battery? Ch. 12 - 5. What is a primary cell? Ch. 12 - What is a secondary cell?Ch. 12 - 7. What material is used as the positive electrode...Ch. 12 - What is another name for the Leclanch cell?Ch. 12 - 9. What is used as the electrolyte in a...Ch. 12 - What is the advantage of the alkaline cell as...

Ch. 12 - What material is used as the positive electrode in...Ch. 12 - 12. How is the A-hr capacity of a lead-acid...Ch. 12 - What device is used to test the specific gravity...Ch. 12 - 14. A 6-V lead-acid battery has an A-hr rating of...Ch. 12 - Three 12-V, 100-A-hr batteries are connected in...Ch. 12 - What is the voltage produced by a silicon solar...Ch. 12 - What determines the current capacity of a solar...Ch. 12 - A solar cell can produce a voltage of 0.5 V and...Ch. 12 - Prob. 19RQ Ch. 12 - Prob. 20RQ Ch. 12 - Prob. 21RQ Ch. 12 - Prob. 22RQ Ch. 12 - Your job is to order and connect lead-acid cells...Ch. 12 - A bank of nickel-cadmium cells is used as the...Ch. 12 - An office building uses a bank of 63 lead-acid...

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A solar cell can produce a voltage of 0.5 V and has a current capacity of 0.1 A. How many cells should be connected in series and parallel to produce an output of 6 V at 0.3 A?

Solution Summary: The author explains the number of cells that need to be connected in series and parallel combination to produce an output of 6V at 0.3A.

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Chapter 12 Solutions