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3-23 A rectifier ammeter is to indicate full scale for a 1 A ms current. The PMMC in- strument used has a 1200 N coil resistance and 500 µA FSD, and the current trans- former has N, = 7000 and N, = 10. Silicon diodes are used and the meter şeries re- sistance is R, = 150 kN. Determine the required secondary shunt resistance value. %3D %3! 3-24 A rectifier ammeter has the following componontet RMAMC

3-23 A rectifier ammeter is to indicate full scale for a 1 A ms current. The PMMC in- strument used has a 1200 N coil resistance and 500 µA FSD, and the current trans- former has N, = 7000 and N, = 10. Silicon diodes are used and the meter şeries re- sistance is R, = 150 kN. Determine the required secondary shunt resistance value. %3D %3! 3-24 A rectifier ammeter has the following componontet RMAMC

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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3-23 A rectifier ammeter is to indicate full scale for a 1 A rms current. The PMMC in- strument used has a 1200 N coil resistance and 500 µA FSD, and the current trans- former has N, = 7000 and N, = 10. Silicon diodes are used and the meter şeries re- sistance is R, = 150 kN. Determine the required secondary shunt resistance value. 3-24 A rectifier ammeter has the following components: PMMC instrument with FSD = 200 µA and Rm= 900 N; current transformer with N, = 600 and N, = 5; diodes with VF - 0.3 V; meter series resistance R, = 270 kN; transformer shunt secondary resis- tance RL = 98.7 kN. Calculate the level of transformer primary current for instru- ment FSD. %3D %3D %3D
Transcribed Image Text:3-23 A rectifier ammeter is to indicate full scale for a 1 A rms current. The PMMC in- strument used has a 1200 N coil resistance and 500 µA FSD, and the current trans- former has N, = 7000 and N, = 10. Silicon diodes are used and the meter şeries re- sistance is R, = 150 kN. Determine the required secondary shunt resistance value. 3-24 A rectifier ammeter has the following components: PMMC instrument with FSD = 200 µA and Rm= 900 N; current transformer with N, = 600 and N, = 5; diodes with VF - 0.3 V; meter series resistance R, = 270 kN; transformer shunt secondary resis- tance RL = 98.7 kN. Calculate the level of transformer primary current for instru- ment FSD. %3D %3D %3D
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