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simplorer-maxwell联合仿真实例——同步电机.pdf

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    Simplorer E.01 M01 Co-simulation with Maxwell Example of co-simulation of Simplorer and Maxwell: Motor-Drive simulation i l i i i The goal of this Lab is to realize the inverter and the motor cosimulation, using a Transient-Transient link The Motor is a 3 phase Synchronous machine with permanent magnets. The inverter is a basic one level inverter li k T T i Torque Basic_Inverter1 Curve Info FEA1.TORQUE TR Ansoft Corporation 500.00 400.00 300.00 200.00 100.00 0.00 E U RQ 1.TO A E F -100.00 -200.00 0.00 2.50 5.00 7.50 10.00 Time [ms] 12.50 15.00 17.50 20.00 Ansoft Corporation 100.00 BackEMF ] V [ 1 Y 75.00 50.00 25.00 0.00 -25.00 -50.00 -75.00 -100.00 -125.00 Basic_Inv erter1 Curve Info FE A1.E IT1 FE A1.E IT2 FE A1.E IT3 TR TR TR 0.00 2.50 5.00 7.50 10.00 Time [ms] 12.50 15.00 17.50 20.00 SINE1 SINE2 SINE3 TRIANG1 E1 E2 IGBT1 D7 IGBT3 D9 IGBT5 D11 + V VM1 IGBT2 D8 IGBT4 D10 IGBT6 D12 R37 R43 R48 T1 T2 T3 T4 0 T5 T6 T7 T8 ω + V_ROTB1 Simplorer v9 User ’ s Guide E.01-1 M01 -1
    Simplorer E.01 M01 Co-simulation with Maxwell Technical Background The co-simulation is the most accurate way of coupling the drive and the motor model. The advantage of this method is the high accuraty, having the real inverter currents as source in Maxwell and the back emf of the motor on the inverter currents as source in Maxwell, and the back-emf of the motor on the inverter side. The transient-transient link enables the use to pass data between Simplorer and Maxwell during the simulation: Maxwell2D and Maxwell3D can be used Simplorer and Maxwell will run altogether Simplorer is the Master, Maxwell is the slave At a given time step, the Winding currents and the Rotor angle are passed from Simplorer to Maxwell, the Back EMF and the Torque are passed from Maxwell to Simplorer The complexity of the drive system and of the mechanical system is not The complexity of the drive system and of the mechanical system is not limited Insights on the coupling Method 0 The Simplorer time steps and the Maxwell time steps don same. Usually, Simplorer requires much more time steps than Maxwell. Assume the current simulation time is t Simplorer, based on the previous time steps, gives a forward meeting time t1 to Maxwell where both simulators will exchange data. Between t both code run by themselves. At t 1, both codes exchange data. If during the t appears on Simplorer side (state graph transition, large change of the dynamic of the circuit), Simplorer will roll back to t meeting time t 1’, t1’< t1. 0-t1 period, some event g p pp , g g p ( 0 and set a new forward ’ t have to be the 0 and t 1, Simplorer v9 User ’ s Guide E.01-2 M01 -2
    Simplorer E.01 M01 Co-simulation with Maxwell Simplorer Schematic The first step is to build the inverter circuit. Open Simplorer, then go to File > New Save the project: File > Save as > Inverter Select the Components tab from the Project Manager Window Select, from the Basic Elements > Circuit > Semiconductors System Level library the diode model and the IGBT model. Add two voltage sources ( E1, E2), one Voltmeter ( VM1) and 3 resistances (RphaseA, RphaseB, RphaseC) as shown below IGBT1 IGBT3 IGBT5 D 1 D3 D5 Votage sources EMF = 12V E1 + V VM1 E2 IGBT2 D 2 IGBT4 D4 IGBT6 D6 R = 10mOhm R phaseA R phaseB RphaseC Simplorer v9 User ’ s Guide E.01-3 M01 -3
    Simplorer E.01 M01 Co-simulation with Maxwell Simplorer Schematic We use a control signal for each igbt. need to uncheck the use Pin button). Name the control signals of IGBT6 accordingly. IGBT1 has the igbt1 control signal (you IGBT2 to Follow the naming as below Simplorer v9 User ’ s Guide E.01-4 M01 -4
    Simplorer E.01 M01 Co-simulation with Maxwell Simplorer Schematic The reference waveforms are implemented using time functions: pick the Sine Wave in the Basic Elements > Tools > Time Functions library . Put 3 Sine Wave blocks on the schematic, with the parameters as above Add a Triangular wave time function block The switching of the IGBTs is done through a state graph that will compare the reference wave forms and the chopper signal Simplorer v9 User ’ s Guide E.01-5 M01 -5
    Simplorer E.01 M01 Co-simulation with Maxwell Simplorer Schematic Simplorer Schematic In the Basic Elements > States library, pick up two STATE_11, two TRANS Build the graph below then make two additional copies to have 3 circuits, one for each phase For the first state graph, we will monitor IGBT1 and IGBT2 Simplorer v9 User ’ s Guide E.01-6 M01 -6
    Simplorer E.01 M01 Co-simulation with Maxwell Simplorer Schematic Fill the rest of the graphs: the second state graph monitors and third state graph monitors the second and third state graph are the SIN2 and SIN3 blocks respectively. y The inverter looks like this: IGBT3 and IGBT4 IGBT5 and IGBT6. The reference waveforms for g p p SINE1 SINE2 SINE3 TRIANG1 E1 E2 IGBT1 D7 IGBT3 D9 IGBT5 D11 + V VM1 R37 R43 R48 IGBT2 D8 IGBT4 D10 IGBT6 D12 Simplorer v9 User ’ s Guide E.01-7 M01 -7
    Simplorer E.01 M01 Co-simulation with Maxwell Mawell Project Open the Maxwell project PM_SyncMotor.mxwl This is a 3 phase synchronous motor. The excitation is defined with current sources. Run the Maxwell simulation: right mouse clin on Run the Maxwell simulation: right mouse clin on and select Setup1, and select Analyse Ansoft LLC 400.00 300.00 200.00 100.00 0.00 -100.00 -200.00 -300.00 r] te e nM to w e [N e rqu .To g1 in ov M -400.00 0.00 The post processing is the same as Simplorer, The Winding currents and the Torque displays are already defined Torque 1_Maxwell_only Ansoft LLC Currents 1_Maxwell_only Curve Info Curve Info avg Moving1.Torque Setup1 : Transient 43.3227 1500.00 1000.00 500.00 0.00 -500.00 -1000.00 ] [A 1 Y Curve Info Curve Info InputCurrent(PhaseA) Setup1 : Transient InputCurrent(PhaseB) Setup1 : Transient InputCurrent(PhaseC) Setup1 : Transient 5.00 10.00 15.00 Time [ms] 20.00 25.00 30.00 -1500.00 0.00 5.00 10.00 15.00 Time [ms] 20.00 25.00 30.00 The Maxwell excitation is basic and does not represent real life system Simplorer v9 User ’ s Guide E.01-8 M01 -8
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