ansys电机电磁、热流体耦合分析及工程应用

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1、电机电磁、热流体耦合分析及工程应用ANSYS中国1©2013ANSYS,Inc.May27,2014电磁、热流体耦合分析？应用范例电机/变压器等设备运行时，绕组损耗、铁心损耗、机械损耗转变为热量，使各部件的温度升高，当温度超过绝缘允许的温度时，将导致绝缘乃至设备的损坏。要将各部件的温度控制在允许范围内，一方面要降低损耗，减少电机的发热量，另一方面要提高电机的冷却散热能力。电机/变压器等相关设备的冷却需要合理设计2©2013ANSYS,Inc.May27,2014热流体分析：单/双向CFDModelTemperatureGeometryMaxwellMod

2、elMappedLosses3©2013ANSYS,Inc.May27,2014Losses三相感应电机：电磁设计OutputPower:1120kWattRatedVoltage:6000VLineCurrent:125ArmsPoleNumber:4RatedTorque:7303N-mNoLoadDataTestDataRMxprtVoltage(V)60006000Current(A)33.3738.7CoreLoss(kW)12.8611.3Speed(r/min)/1499.99RatedLoadDataTestDataRMxprtCurr

3、ent(A)125.9121.1CoreLoss(kW)1311Speed(r/min)1465.51492RatedTorque73037172(N·m)4©2013ANSYS,Inc.May27,2014Maxwell2D空载仿真结果空载电流XYPlot21_high_noloadANSOFT3000.00Testdata:33.37Arms2000.00CurveInforms_t780to800Current(PhaseA)34.5329Setup1:TransientMaxwell:Current(PhaseB)34.4504Setup1:Trans

4、ientCurrent(PhaseC)34.4989Setup1:Transient34.5Arms1000.00Y1[A]0.00-1000.00-2000.000.00100.00200.00300.00400.00500.00600.00700.00800.00Time[ms]5©2013ANSYS,Inc.May27,2014Maxwell2D空载仿真结果转速、转矩XYPlot51_high_noloadANSOFT1575.001550.00CurveInfoavg_t780to800Maxwell:1499rpmMoving1.Speed1498.

5、9314Setup1:Transient1525.001500.001475.001450.00Moving1.Speed[rpm]Synchronizationspeed:1500rpm1425.001400.001375.001350.000.00100.00200.00300.00400.00500.00600.00700.00800.00Time[ms]XYPlot41_high_noloadANSOFT25.0012.50CurveInfoavg_t780to800Moving1.Torque-0.0428Setup1:TransientMaxwell

6、:43N-m0.00Moving1.Torque[kNewtonMeter]-12.50-25.000.00100.00200.00300.00400.00500.00600.00700.00800.00Time[ms]“NoLoadLossandComponentSeparationforInductionMachines”,J.Germishuizen,S.Stanton,Proceedingsofthe2008InternationalConferenceonElectricalMachines6©2013ANSYS,Inc.May27,2014Maxwe

7、ll2D空载仿真结果铁耗XYPlot61_high_noloadANSOFT1750.00NoLoadManufactureFactor*：2Data1500.00TestDataMaxwell2DVoltage(V)600060001250.00Current(A)33.3734.5CoreLoss(kW)12.86131000.00Testdata:12.86kWSpeed(r/min)/1499.99CurveInfoavg_t780to800750.00SolidLoss+CoreLoss13.0039Maxwell:13kWSolidLoss+Cor

8、eLoss[kW]500