Electrotechnology 1200 Experiment 10 Series RLC Circuits

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OBJECTIVESWhen you have completed this exercise, you should be able to:CCCCCVerify impedance relationships in a series RLC circuit.Verify voltage relationships in a series RLC circuit.Determine experimentally the resonant frequency for a series RLC circuit.Draw the impedance triangle for a series RLC circuit.Draw the phasor diagram for a series RLC circuit.FORMULAEFormula 12.Formula 16.Formula 28.Formula 45.Formula 46.EQUIPMENT & MATERIALS REQUIREDOscilloscope.3 BNC to Alligator Clip test leads.1 Black Alligator Clip to Banana Plug test lead.1 Red Alligator Clip to Banana Plug test lead.Isolation transformer (Black).BK Precision 5MHz Function Generator.Orange Project board (stored in Bench Cabinet).DMM (Digital Multimeter).470Ω resistor.25 mH (or 50mH or 30mH) choke (handed out at start of experiment).• Record this value in Table 10-1 (end).2 0.1μF Capacitors.Miscellaneous Quick Clips.ELTK1200 Experiment 10 Rev 5 112
PROCEDURE A (Frequency Response of a Series RLCCircuit)A1. Measure the actual resistance of the 470Ω resistor and the dc resistance of the 25mH choke and calculate the total series resistance [10-1].A2. Connect the Isolated Function Generator circuit shown in Figure 2-1 (pg. 17) to thecircuit of Figure 10-1. Prepare to measure V CD PP , V R PP , V L PP and V C PP (individually).Figure 10-1A3. MODE to CH-A(CH1).A4. Turn the Function Generator ON and set V CD to 6V PP , 1000Hz.A5. Measure V R PP , V L PP and V C PP [10-2] using CH-A.A6. Calculate the current I, the inductive reactance X L , the capacitive reactance X C andthe phase angle θ [10-2]. Indicate if θ is leading or lagging.Note: Use R T when you calculate the phase angle θ.A7. Complete Table 10-2 for each frequency shown.A8. Turn the Function Generator OFF, but do not change the circuit. It will be used inProcedure B.ELTK1200 Experiment 10 Rev 5 113
Page 1 and 2: Electrotechnology 1200Experiment 10
Page 3: BASIC INFORMATIONThe analysis of se
Page 7 and 8: B9. Disconnect the scope. MODE to C
Page 9 and 10: RESULTSTable 10-1RmeasR DC of Lmeas

Electrotechnology 1200 Experiment 10 Series RLC Circuits

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