1 Circuit Simulation using PSPICE PSPICE Seminar

2 - Introduction to PSPICE - Libraries - Simulation methods - Fundamental Circuit Simulations - Power Electronics Applications Sequence

3 Introduction to PSPICE ■ History of SPICE ▶ Spice(Simulation Program with Integrated Circuit Emphasis) – 1972 from California Univ.  For Workstation, etc ▶ PSpice(Professional Simulation Program with Integrated Circuit Emphasis) – 1984 from MicroSim Co.  Usable in Personal Computer ▶ PSpice v5.2 – 1992 ▶ PSpice v6.0 – 1993 ▶ PSpice v6.2, v6.3 – 1995 ▶ PSpice v7.1 – 1996

4 ▶ PSpice v ▶ ORCAD PSpice Release v9.0 – 1998 from OrCAD Co. ▶ ORCAD PSpice Release v from OrCAD Co. Currently, Pspice Version 9.2 is used for circuit analysis.

5 Using OrCAD version PSPICE

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10 Using OrCAD version PSPICE

11 Using OrCAD version PSPICE

12 Libraries ■ Voltage Sources ▶ DC Voltage Source ▶ AC Voltage Source  VSIN VOFF – DC Offset Voltage

13 Libraries  VPULSE

14 Libraries ■ Current Sources ▶ Similar method with Voltage Sources

15 Libraries ■ Elements specification change ▶ Example

16 Libraries ▶ Result  Is it right?

17 Libraries

18 Libraries

19 Libraries ▶ Result

20 Libraries ■ ABM(Analog Behavioral Modeling) ▶ Enable element mathmatical modeling ▶ Controller design ▶ Simple modeling ▶ using ABM.OLB

21 Libraries ■ Example

22 Libraries ▶ Result

23 Simulation Methods ■ DC Sweep ▶ Variable element value

24 Simulation Methods ■ Example

25 Simulation Methods ■ AC Sweep ▶ Variable source frequency  It is measuable frequency response.

26 Simulation Methods ■ Select Marker

27 Simulation Methods ■ Bode plot

28 Simulation Methods ■ Parametric Analysis ▶ Circuit Drawing  In parametric analysis mode, element value variable must be input in { }.

29 Simulation Methods ▶ Define Parameter Value

30 Simulation Methods

31 Simulation Methods

32 Simulation Methods ▶ Define Simulation Profile

33 Simulation Methods ▶ Result

34 Fundamental Circuit Simulations ■ Single phase diode rectifier

35 Fundamental Circuit Simulations ■ RMS ▶ Step 1 :

36 Fundamental Circuit Simulations ▶ Step 2: Select RMS() in Right EDIT BOX

37 Fundamental Circuit Simulations ▶ Step 3: Select waveform variable

38 Fundamental Circuit Simulations ▶ RMS value of Voltage Source : 220V ▶ Peak value of Voltage Source : 311V

39 Fundamental Circuit Simulations ■ Power Calculation (resistor power calculation example)

40 Fundamental Circuit Simulations

41 Fundamental Circuit Simulations ■ Waveform calculation ▶ Resistor power calculation  Pr = Vr * Ir

42 Fundamental Circuit Simulations

43 Fundamental Circuit Simulations ■ Parallel capacitor

44 Fundamental Circuit Simulations ■ Voltage doubler

45 Power Electronics Applications ■ Full wave rectifier

46 Power Electronics Applications

47 Power Electronics Applications ■ 3 Phase diode rectifier

48 Power Electronics Applications

49 Power Electronics Applications ■ PWM Block & Ideal switch modeling

50 Power Electronics Applications ▶ PWM Implementation

51 Power Electronics Applications ▶ Using ideal switch

52 Power Electronics Applications ■ Single phase full bridge inverter

53 Power Electronics Applications ▶ (S1,S3), (S2,S4)

54 Power Electronics Applications ▶ Load voltage

55 Power Electronics Applications ▶ Load current

56 Power Electronics Applications ▶ Freewheeling diode current(D1)

57 Power Electronics Applications ■ Example

58 Power Electronics Applications ▶ Capacitor & Load RMS current

59 Power Electronics Applications ▶ Capacitor ripple voltage