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111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance

111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance and negligible loss, forms arm ad. Arm bo consists of a non-inductive resistance of 300 S2. When the bridge is balanced arm cd has a resis- tance of 72.6 12 in parallel with a capacitance of 0.148 uF. The supply frequency is 50 Hz. Calculate the capacitance and dielectric loss angle of capacitor. Derive the equations for balance and draw the phasor diagram under conditions of balance. [Ans. 121 pF; 0.00338 rad] 16.
9:44 all ull 79% i Due tomorrow, 9:00 am DHA) A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capacitance and negligible loss, forms arm ad. Arm bc consists of a non-inductive resistance of 300 Q. When the bridge is balanced arm cd has a resistance of 72.6 Q in parallel with a capacitance 0.148 micro Farad. The supply frequency is 50 Hz. Calculate the capacitance and dielectric loss angle of capacitor. Derive the equations for balance and draw the phasor diagram under conditions of balance. 5 points Add class comment Your work Assigned Add private comment II
Transcribed Image Text:9:44 all ull 79% i Due tomorrow, 9:00 am DHA) A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capacitance and negligible loss, forms arm ad. Arm bc consists of a non-inductive resistance of 300 Q. When the bridge is balanced arm cd has a resistance of 72.6 Q in parallel with a capacitance 0.148 micro Farad. The supply frequency is 50 Hz. Calculate the capacitance and dielectric loss angle of capacitor. Derive the equations for balance and draw the phasor diagram under conditions of balance. 5 points Add class comment Your work Assigned Add private comment II
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