In a laboratory they had a three-phase load resistance with three resistors, which was symmetrical and D-connected. It is U = 440 V (main voltage), and the effect is P = 6 kW. a) Calculate the current in each individual resistor . b) Also calculate the resistance in each of the resistors Number Ω . The resistance is connected to Y. c) What is the current in each individual resistor after switching to Y
In a laboratory they had a three-phase load resistance with three resistors, which was symmetrical and D-connected. It is U = 440 V (main voltage), and the effect is P = 6 kW. a) Calculate the current in each individual resistor . b) Also calculate the resistance in each of the resistors Number Ω . The resistance is connected to Y. c) What is the current in each individual resistor after switching to Y
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter22: Resistive-capacitive Parallel Circuits
Section: Chapter Questions
Problem 6RQ: Refer to the formulas in Appendix B in the Resistive-Capacitive Parallel Circuits section. A...
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In a laboratory they had a three-phase load resistance with three resistors, which was symmetrical and D-connected. It is U = 440 V (main voltage), and the effect is P = 6 kW.
a) Calculate the current in each individual resistor
. b) Also calculate the resistance in each of the resistors Number Ω . The resistance is connected to Y.
c) What is the current in each individual resistor after switching to Y
d) Calculate how big the effect will be if it is then fed with the same voltage as before
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