品 牌: | 西门子 |
单 价: | 面议面议 |
最小起订: | |
发货期限: | 自买家付款之日起 起 天内发货 |
所 在 地: | 福建省 厦门 |
供货总量: | |
有效期至: | 长期有效 |
联系我时,请提及在百方网看到,会有优惠。 | |
特点
SIRIUS 3RW40采用拥有专利权的全新控制技术-“相位平衡”。该控制技术能够防止两项控制软起动器中的直流成分。对于两相控制软起动器 ,来自两个控制相位的电流会流经未受控制的相位。因此,从纯粹的物理角度来看,在电机起动时,三相电流会不对称。这虽然不受影响,但 在大多数应用中仍不可忽视。除了这种不对称性之外,如果在两个控制相位中控制功率半导体器件,则会产生直流成份。在起动电压低于50%时,则会造成电机中出现噪音。“相位平衡”技术则能够可靠避免电机起动时的这些直流成份。它可就转速、转矩和电流增量方面生成统一的电机起动特性。并且起动噪声质量和控制三个相位的起动设备一样。这可通过连续动态调整和均衡电机加速时不同相位的半波电流实现。
厦门铭创自动化设备有限公司
联系人:游婷婷 13599914853
电 话:0592-2613750
传 真:0592-5735879-750
业务QQ: 2355691624
邮 箱:2355691624@qq.com
性能说明
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