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DCモーターのシンプルモデルの解説書(PSpice)

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DCモーターのシンプルモデルの解説書(PSpice)

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DCモーターのシンプルモデルの解説書(PSpice)

  1. 1. D.C. MotorSimplified SPICE Model All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 1
  2. 2. Contents 1. Benefit of the Model 2. Model Feature 3. Parameter Settings 4. D.C. Motor Specification (Example) 5. Motor Start Up Simulation at Normal Load 6. Motor Start Up Simulation at Half of Normal Load 7. Lj of the Motor Model (1/2) 8. Application Example 9. Winding Characteristic Parameters: Lm 10.Winding Characteristic Parameters: Rm Simulation Index All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 2
  3. 3. 1. Benefit of the Model• The model enables circuit designer to use D.C. Motor as load in their design which include: Back EMF, Torque(Nm) and Speed (rpm) characteristics.• The model can be easily adjusted to your own D.C. Motor specifications by editing a few parameters that are provided in the spec-sheet. All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 3
  4. 4. 2. Model Feature• This D.C. Motor Simplified SPICE Model is for users who require the model of D.C. Motor as a part of their system.• Perform electrical (voltage and current) and mechanical (speed and torque) characteristics at current load (Ampere) conditions. All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 4
  5. 5. 3. Parameter Settings Model Parameters: If there is no measurement data, the default value will be used: U1 Rm: motor winding resistance [] SMPL_DC_MOTOR Lm: motor winding inductance [H] Rm = 0.1 + Lm = 100u - V_norm = 7.2 mNm = 19.6 Data is given by D.C. motor spec-sheet: kRPM_norm = 14.4 I_norm = 6.1 V_norm: normal voltage [V] mNm: normal load [mNm] IL = 6.1 kRPM_norm: speed at normal load [kr/min] I_norm: current at normal load [A]D.C. Motor model and Parameters with Default Value Load Condition: IL: load current [A] All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 5
  6. 6. 4. D.C. Motor Specification (Example) U1 SMPL_DC_MOTOR Rm = 0.1 + Lm = 100u - V_norm = 7.2 mNm = 19.6 kRPM_norm = 14.4 I_norm = 6.1 IL = 6.1 D.C. Motor Specification Parameters are input All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 6
  7. 7. 5. Motor Start Up Simulation at Normal Load (1/3)Simulation Circuit and Setting PARAMETERS: Input the Supply No VOUT = 10.25 Load Voltage* and Series Resistance Rs = 0.5 VIM Simplified D.C. Motor with VM RS-540SH Spec. RS {Rs} Current Sensing U1 V1 SMPL_DC_MOTOR T2 = 0.01m Rm = 0.1 V2 = {VOUT} + Lm = 100u - V_norm = 7.2 mNm = 19.6 kRPM_norm = 14.4 I_norm = 6.1 IL = 6.1 0 0*No Load Voltage is adjusted until the D.C. motor voltage (VM) equals to the normal voltage (7.2V). Load Condition IL=I_norm*Analysis directives:.TRAN 0 400m 0 0.1m.PROBE V(*) I(*) W(alias(*)) D(alias(*)) NOISE(alias(*)) All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 7
  8. 8. 5. Motor Start Up Simulation at Normal Load (2/3) Select “All” for the Voltages and Currents Data Collection Options. All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 8
  9. 9. 5. Motor Start Up Simulation at Normal Load (3/3) 80V 40V Torque Load= 19.6mNm 0V V(X_U1.TRQ) 20A D.C. Motor Speed = 14.4krpm 10A 0A I(X_U1.V_kRPM) 10V D.C. Motor Voltage = 7.2V 5VSEL>> 0V V(VM) 20A 10A D.C. Motor Current = 6.1A 0A 0s 40ms 80ms 120ms 160ms 200ms 240ms 280ms 320ms 360ms 400ms I(VIM) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 9
  10. 10. 6. Motor Start Up Simulation at Half of Normal Load (1/2)Simulation Circuit and Setting PARAMETERS: Input the Supply No VOUT = 10.25 Load Voltage* and Series Resistance Rs = 0.5 VIM Simplified D.C. Motor with VM RS-540SH Spec. RS {Rs} Current Sensing U1 V1 SMPL_DC_MOTOR T2 = 0.01m Rm = 0.1 V2 = {VOUT} + Lm = 100u - V_norm = 7.2 mNm = 19.6 kRPM_norm = 14.4 I_norm = 6.1 IL = 3.05 0 0 *No Load Voltage is adjusted until the D.C. motor voltage (VM) equals to the normal voltage (7.2V). Load Condition IL=I_norm*Analysis directives:.TRAN 0 400m 0 0.1m.PROBE V(*) I(*) W(alias(*)) D(alias(*)) NOISE(alias(*)) All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 10
  11. 11. 6. Motor Start Up Simulation at Half of Normal Load (2/2) 80V 40V Torque Load= 9.8mNm 0V V(X_U1.TRQ) 20A D.C. Motor Speed = 18.4krpm 10ASEL>> 0A I(X_U1.V_kRPM) 10V D.C. Motor Voltage = 8.725V 5V 0V V(VM) 20A 10A D.C. Motor Current = 3.05A 0A 0s 40ms 80ms 120ms 160ms 200ms 240ms 280ms 320ms 360ms 400ms I(VIM) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 11
  12. 12. 7. Lj of the Motor Model (1/2) Simulation Circuit and SettingPARAMETERS: Global parameterVOUT = 10.25 Lj is assignedRs = 0.5 Double click to editLj = 100m VIM properties of the DC VM Motor model RS {Rs} U1 V1 SMPL_DC_MOTOR T2 = 0.01m Rm = 0.1 V2 = {VOUT} + Lm = 100u - V_norm = 7.2 mNm = 19.6 kRPM_norm = 14.4 I_norm = 6.1 *Analysis directives: IL = 6.1 Input the Lj value or input 0 0 .TRAN 0 400m 0 0.1m “{Lj}” for parametric sweep .STEP PARAM Lj LIST 100m, 200m All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 12
  13. 13. 7. Lj of the Motor Model (2/2) The Motor Start-up Waveform is 80V changed by the Lj values. Lj=200m 40V Torque Load= 19.6mNm Lj=100m 0V V(X_U1.TRQ) 20A Lj=100m D.C. Motor Speed = 14.4krpm 10A 0A Lj=200m I(X_U1.V_kRPM) 10V Lj=100m D.C. Motor Voltage = 7.2V 5V Lj=200m 0V V(VM) 20A Lj=200m 10A D.C. Motor Current = 6.1ASEL>> Lj=100m 0A 0s 40ms 80ms 120ms 160ms 200ms 240ms 280ms 320ms 360ms 400ms I(VIM) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 13
  14. 14. 8. Application Example (1/3)Simulation Circuit and Setting VDD VCC VCC Simplified D.C. Motor with RS-380PH Spec at No load. Vdd Vcc 15V 15V U2 SMPL_DC_MOTOR Rm = 0.576 0 0 D2 + Lm = 165u D4001 - V_norm = 7.2 mNm = 9.8 kRPM_norm = 14.2 I_norm = 2.9 U1 IL = 0.6 R1 NC VCC VDD 1u A NC RG No load IL=0.6 120 D3 V1 = 0 V1 K VO DGT10J321_s V2 = 1.8 U3 TD = 0 NC GND GT10J321 TR = 10n TF = 10n PW = 199.99u TLP350 PER = 400u 0 0 0 0 All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 14
  15. 15. 8. Application Example (2/3) Measurement Simulation 14A 20V 1 2 12A 10V 10A 0V Motor Voltage (10V/Div) 8A -10V 6A -20V Motor Current (2A/Div) 4A -30V 2A -40V 0A -50V >> -2A -60V -100ms 0s 100ms 300ms 500ms 700ms 900ms 1 I(U2:1) 2 V(U2:1,U2:2) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 15
  16. 16. 8. Application Example (3/3) Measurement Simulation 14A 50V 20V 1 2 3 12A 40V 10V 10A 30V 0V IGBT: VGE IGBT: VGE (10V/Div) 8A 20V -10V 6A 10V -20V 4A 0V -30V IGBT: VCE IGBT: VCE (10V/Div) 2A -10V -40V 0A -20V -50V IGBT: IC >> IGBT: IC (2A/Div) -2A -30V -60V 898.0ms 898.4ms 898.8ms 899.2ms 899.6ms 1 I(U3:C) 2 V(U3:C) 3 V(U3:G) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 16
  17. 17. 9. Winding Characteristic Parameters: Lm Winding Characteristic:2 Lm 1 14A 50V 3 20V U2 SMPL_DC_MOTOR 12A 40V 10V Rm = 0.576 + Lm = 165u - V_norm = 7.2 Motor Spec. 10A 30V 0V mNm = 9.8 kRPM_norm = 14.2 Lm=100u 8A 20V -10V I_norm = 2.9 Lm=165u IL = 0.6 6A 10V -20V Load Condition 4A 0V -30V Lm=100u The Motor Current Waveform is 2A -10V -40V changed by the Lm values. Lm=165u 0A -20V -50V >> -2A -30V -60V 898.0ms 898.4ms 898.8ms 899.2ms 899.6ms 1 I(U3:C) 2 V(U3:C) 3 V(U3:G) Time All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 17
  18. 18. 10. Winding Characteristic Parameters: Rm Winding Characteristic: Rm U2 SMPL_DC_MOTOR Rm = 0.576 + Lm = 165u - V_norm = 7.2 Motor Spec. Rm=0.1 mNm = 9.8 kRPM_norm = 14.2 I_norm = 2.9 IL = 0.6 Load Condition Rm=0.576 The Motor Start-up is Current changed by the Rm values. All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 18
  19. 19. Simulation IndexSimulations Folder name1. Motor Start Up Simulation at Normal Load................... Normal2. Motor Start Up Simulation at Haft of Normal Load........ Half3. Lj of the Motor Model.................................................... Lj All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 19

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