Inductors

In this experiment we will use various instruments to debate the behaviour of inductances in DC and AC moves. Equipment List: demonstrate Equipment. Ø         DMM: trematode worm model 77, nonpar everyel 9801 Ø         Tectonics setting: simulation 2213A, attendant P1097 Ø         Function Generator: Model 3311A, serial 925577 Ø         Decade induction: Model ALD-12, serial 3735 Ø         Harrison DC role Supply: Model 6200B, serial T5599 Equipment: Ø          integrity 2.2k ohm impedance Ø         One 200 ohm resistance Ø         One 1N4002 diode surmise:         An saint inductor offers no tube to the f dispirited of direct up-to-the-minute. However, all inductors do make some internal DC resistance, which is easy mea trustworthyd, and may be utilise to be represented as a crystalize element in serial take with the ind uctor. With regard to AC inductors do impede the flow of AC new. Procedure 1 (Inductor in Circuit with DC spring) 1.          pitch the lot as portrayn below. (The origin supply is a DC sourse). 2.          hardening the DMM to measure electric potential in DC. break away and participate the DC electromotive forces crosswise Vag, Vab and Vbg with the DMM. a.         Vag should be round 7.67V b.         Vab should be approximately .397V c.         Vbg should be somewhat 7.28V 3.          launch the DMM to measure current. unify the DMM to measure the current in the circuit by jailbreak the circuit. a.         Current should be near 3.34Amps 4.          detract the inductor from the circuit and measure its DC resistance with the DMM. a.         The resistance should be around 118.5 ohms Procedure 2 (The Inductor as a perk up Element) 1.          call together the circuit! as show in the eject below. (The advocate supply is an AC witness). 2.          accommodate the function generator to founder zilch DC output, and a 5Khz sinusoidal with flowering-to- give way premium of 10 volts. 3.          pursue and designate the potencys cross panaches Vag and Vbg, with the inductance unsex to 1H. practise the oscilloscope as thoroughly as with the DMM voltmeter over the identical operates. a.         Vag should be around 9.6V baksheesh-to- poll b.         Vbg should be around .56V steer-to-peak 4.         Repeat rate 3 with the inductance check to 0.5H. a.         Vag should be around 9.6V peak-to-peak b.         Vbg should be around 1.1V peak-to-peak 5.         Repeat step 3 with the inductance set to 0.2H. a.         Vag should be around 8.8V peak-to-peak b.         Vbg should be around 2.7V peak-to-pe ak Procedure 3 (The inductor as a serial Filter Element with DC & AC base Present) 1.          erect the circuit as show in the interpret below. (The forefinger supply is an AC source in series with a DC source). 2.         Adjust the function generator to egress zero DC output, and a 5Khz sinusoidal with peak-to-peak amplitude of 5 volts. 3.         Set the DMM to measure emf in DC. Observe and record the DC potencys crossways Vag and Vbg with the DMM. a.         Vag should be around .216V b.         Vbg should be around 4.97V 4.         Observe and record the emfs across Vag and Vbg, with the inductance set to 1H. work the oscilloscope as well as with the DMM voltmeter over the same speckles. (Make sure that the scope is set for Direct uniting DC not AC). a.         Vag should be around 4.8V peak-to-peak i.         With a uttermost peak voltage of 7.2V b.         Vbg should be around .56V pea! k-to-peak With a maximum peak voltage of 7.6 Procedure 4 (The Inductor as a bypass Filter Element With DC & AC Source Present) 2.         Assemble the circuit as show in the figure below. (The power supply is an AC source). 3.         Adjust the function generator to yield zero DC output, and a 5Khz sinusoidal with peak-to-peak amplitude of 5 volts. 4.         Set the DMM to measure voltage in DC. Observe and record the DC voltages across Vag and Vbg with the DMM. a.         Vag should be around 5.01V b.         Vbg should be around .044V 5.         Observe and record the voltages across Vag and Vbg, with the inductance set to 1H. Use the oscilloscope as well as with the DMM voltmeter over the same points. (Make sure that the scope is set for Direct Coupling DC not AC). a.         Vag should be around 4.8V peak-to-peak i.         With a maximum peak voltage of 7.6 b.         Vbg should be around 4.4V peak-to-peak Procedure 5 (Inductive Kick) Theory of Inductive Kick: One property of an inductor is that the current flowing through it butt jointnot trade abruptly. This tramp trine to the phenomenon know as inductive kick, upon the opening of an inductive circuit.

This preempt manifest itself by game twine of voltage (glitch) or an arc at the substitution contacts. 1.         Assemble the circuit as show in the figure below. (The power supply is a DC source). 2.         Alternately close and open the switch (use a jumper). Observe the brief flash of the direct when the circuit is opened. a.          You should digest the conduct flashing! on and off. Analysis: 1.         In the low gear procedure, in which an inductor was used in series with a DC source it had a noticeable notion on the circuit. The current in the circuit was 3.34Amps; the inductor workd the voltage across point Vag to drop from 10 volts to 7.67volts due to its spicy resistance. 2.         In the second procedure in which the inductor was used in series with an AC source and a ohmic resistance there to a fault was a noticeable effect on the circuit. When the inductor was in series kernel voltage 9.6V peak to peak, when the total voltage started at 10V peak to peak across point A in respect to ground (point G). 3.         The inductor cause the voltage in the circuit in which both(prenominal) a DC and AC sources were present. The DC value of the voltage in the circuit at point Vbg went up to 4.97V. The inductor caused the AC sin wave to shift up on the oscilloscope. Which took increases the peak voltages for point Vbg (5.7v Peak). 4.         The inductor also affects the voltage when the resistor is lay before the inductor. The DC voltage across Vbg settle drastically to 0.044V because of the depart in the circuit. The AC voltage also decreased like the DC voltage. The AC voltage peak-to-peak went to 4.4Vpp for point Vbg. 5.         The inductor in the inductive kick procedure touched the way the LED preformed. The LED does not emit wanton when the switch is closed because there is not lavish voltage handout through the circuit to keep the LED lit. The current in an inductor understructurenot change abruptly, which can be a cause for an inductive kick. An inductive kick is a high spike of voltage at the switch contacts. The voltage can change instantly but he current cant so as soon as the voltage source is disconnected the voltage instantly changes causing the LED to light up but since there is not enough change in current to ke ep the voltage up the LED only flashes briefly. ! If you want to get a honorable essay, browse it on our website: OrderEssay.net

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