Three 10W resistors are connected in delta on 208V (line-to-line), 3-phase line. (a) What is the value of each resistor? (b) If the fuse in one of the lines burns out, calculate the new total power supplied to the load (Hint: circuit diagram of the system will help).

Three 10W resistors are connected in delta on 208V (line-to-line), 3-phase line. (a) What is the value of each resistor? (b) If the fuse in one of the lines burns out, calculate the new total power supplied to the load (Hint: circuit diagram of the system will help).

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter3: Determining The Required Number Of Branch Circuits, Lighting Outlets, And Receptacle Outlets

Section: Chapter Questions

Problem 17R: In a single-family dwelling, how is overcurrent protection for branch circuits required to be...

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Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

Question

Three 10W resistors are connected in delta on 208V (line-to-line), 3-phase line.
(a) What is the value of each resistor?
(b) If the fuse in one of the lines burns out, calculate the new total power supplied to the load
(Hint: circuit diagram of the system will help).

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