瑞萨电子 (Renesas Electronics Corporation)
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3 相交流电机软启动

概览

传统技术下，3 相交流电机以星形配置启动，然后切换到三角形配置，以减少励磁涌流和机械应力，从而延长电机寿命。 然而，这种方法需要额外的布线，而且切换机制也较为复杂。 另一种方案则是在两相上采用相位角控制技术，通过将相位角从 360° 减小到 0°，实现电机的软启动（也可选择软停止）。 继电器用于在运行模式下旁路双向可控硅/晶闸管，从而消除损耗并提高效率。

系统优势：

  • 无需星形三角接线，从而简化了布线并降低了电机成本
  • 通过减少机械应力延长电机寿命
  • 显著降低励磁涌流，并可对其持续时间进行精确控制
  • 使用简单的电位器即可轻松进行参数调整
  • 可选配 RS-485 或 CAN 等总线接口进行控制
  • 提供可选的用户友好型 GUI（图形用户界面），支持智能手机蓝牙连接访问

方框图

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远程测试该板卡

该板卡已上线云上实验室（Lab on the Cloud)，使用我们的 PC 图形界面，无需实体板卡，便可在虚拟实验室中立即开始配置和测试设计。
启动云上实验室
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Fixed.1245Resistor - Fixed.1246Resistor - Fixed.1247Line.1248Line.1249Line.1250Line.1251Line.1254Line.1256Line.1259Line.1260Connector 1.1261500k500k500k500k500k500k 10k10k10kADC2ADC2ADC2Connector 1.1244Resistor - Fixed.1569 10k10k10kLine.15713V33V33V3Line.1573Sheet.1575Negative Power Rail.1239Line.758Line.759Resistor - Fixed.1245Resistor - Fixed.1246Resistor - Fixed.1247Line.1248Line.1249Line.1250Line.1251Line.1254Line.1256Line.1259Line.1260Connector 1.1261500k500k500k500k500k500k10k10k10kADC1ADC1ADC1Connector 1.1244Resistor - Fixed.156910k10k10kLine.15713V33V33V3Line.1573Connector 1.1603Sheet.1611Negative Power Rail.1330Line.758Line.759Line.1238Line.1256NNNLine.1339Connector 1.1342Line.1343Resistor - Fixed.1245 500k500k500kResistor - Fixed.1348 500k500k500kResistor - Fixed.1247Line.1248 10k10k10kConnector 1.1355Line.1356Line.1357Line.1358Line.1260ADC3ADC3ADC3Connector 1.1409Resistor - Fixed.1569 3V33V33V3Line.1573 10k10k10kLine.1608Line.1609Sheet.1612Negative Power Rail.1330Line.758Line.759Line.1238Line.1256 NNNLine.1339Connector 1.1342Line.1343Resistor - Fixed.1245 500k500k500kResistor - Fixed.1348 500k500k500kResistor - Fixed.1247Line.1248 10k10k10kConnector 1.1355Line.1356Line.1357Line.1358Line.1260ADC4ADC4ADC4Connector 1.1409Resistor - Fixed.1569 3V33V33V3Line.1573 10k10k10kLine.1608Line.1609Connector dotted line.1644Connector dotted line.1645Line.1418 ADC1ADC1ADC1Line.1420 ADC2ADC2ADC2Right Brace.1544L1 PhaseL1 PhaseL1 PhaseLine.1743 ADC3ADC3ADC3Line.1745 ADC4ADC4ADC4Right Brace.1747L3 PhaseL3 PhaseL3 PhaseConnector ArrowBi-directionalBi-directional.1753Bi-directional.1754Connector 1.160Connector LineResistor - FixedGroundSheet.1762Sheet.1763Connector 1.160.1764Connector Line.1765Connector 1.160.1766Connector Line.1767Resistor - Fixed.1768Connector Line.1769Connector Line.1770Resistor - Fixed.1772Connector Line.1773Connector Line.1777Connector 1.160.1778Connector 1.160.1779Connector 1.160.1780Paramter Setting PotentiometersParamter Setting PotentiometersParamter Setting PotentiometersRS-485 TRx ½ Duplex 20MbpsRS-485 TRx ½ Duplex 20MbpsRS-485 TRx½ Duplex 20MbpsCAN Bus PHYCAN Bus PHYCAN Bus PHY 3V33V33V332MHz32MHz32MHz32kHz32kHz32kHzAntennaAC/DCAC/DCAC/DCBuck RegulatorBuck RegulatorBuck Regulator Buck RegulatorBuck RegulatorBuck RegulatorConnector dotted linePhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerHVPAKHVPAKHVPAKWS123WS123WS123Optional communication with Smartphone GUIOptional communication with Smartphone GUIOptional communication with Smartphone GUIOptional, depending on customer requirements and MCU typeOptional, depending on customer requirements and MCU typeOptional, depending on customer requirements and MCU typeOptional, depending on customer requirements and MCU typeOptional, depending on customer requirements and MCU typeOptional, depending on customer requirements and MCU typeConnector dotted double arrowConnector dotted double arrow.1850Vertical Wire Bundle 222Sheet.1853Vertical Wire Bundle.1854 222Sheet.1856Connector dotted double arrow.1857Connector dotted arrow.1858Horizontal Wire BundleCommunication Lines B.795 222Horizontal Wire Bundle.1923Communication Lines B.795222Horizontal Wire Bundle.1926Communication Lines B.795 222Horizontal Wire Bundle.1929Communication Lines B.795 222Horizontal Wire Bundle.1932Communication Lines B.795222MotorSheet.1936Sheet.1937MMSheet.1938Bluetooth Low EnergyBluetooth Low EnergyBluetooth Low EnergyVddVddVddPHYPHYPHYRFOsc.RFOsc.RFOsc.RTCRTCRTCUARTUARTUARTSheet.1939MCUMCUMCU VddVddVdd OscOscOsc I2CI2CI2CGPIOGPIOGPIOGPIOGPIOGPIOUARTUARTUART UARTUARTUART GPIOGPIOGPIO CANCANCANGPIOGPIOGPIOGPIOGPIOGPIOADCADCADCADCADCADCADCADCADCADCADCADC ADCADCADC ADCADCADC ADCADCADC 3V33V33V3

MCU

RA Arm Cortex-M MCU

Bluetooth Low Energy

低功耗蓝牙

RS-485 TRx

带增强型 ESD 保护的 RS-485/422

HVPAK

HVPAK

Photocoupler

直流达林顿管输入

Photocoupler

直流达林顿管输入

Buck Regulator

降压稳压器（集成开关）

Buck Regulator

降压稳压器（集成开关）

AC/DC

反激式和正激式控制器

支持

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