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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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直流有刷电机与无刷电机
| 项目 | 直流有刷电机 | 无刷电机 |
|---|---|---|
| 转子结构 | 线圈 | 永磁体 |
| 定子结构 | 永磁体（注1） | 线圈 |
| 控制机构 | 电刷和换向器（电机内） | 逆变电路 |
| 转子位置检测 | 不需要 | 需要（由转子位置控制） |
| 启动 | 容易 | 需要控制（加速） |
| 变速 | 容易（电压比例） | 需要控制（电压＋频率比例） |
| 正向／反向 | 容易（极性反转） | 需要控制（控制顺序反转） |
| 可控性 | - | 改变控制 |
| 耐久性 | 低（由于电刷磨损） | 高（无电刷） |
| 声音、振动、噪音 | - | 安静、低振动、低噪音 |
| 效率 | - | 良好（可采用正弦波驱动） |
| 价格 | 相对便宜 | 包含控制电路时价格较贵 |
注1）有些定子的结构有多种不同类型。
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