1746-R10、1746-R10

Allen-Bradley PowerFlex 755 大功率型号基础上，罗克韦尔自动化已将其 PowerFlex 755 交流变频器的功率范围扩展到 900 kW/1350 Hp 并增加了 600/690 伏特的额定值。新款变频器特别适合各种重工业应用，可以为用户提供更高的应用灵活性、诊断功能和直流公共母线选件。

        “我们对功率范围进行了扩展并新增了一些功能，从而将PowerFlex 755 系列的诊断功能、便利的推拉式设计和控制选件等优势推向更广泛的电机控制应用领域。”罗克韦尔自动化全球产品经理 John Cherney 说，“此次扩展通过提高灵活性、缩短停机时间和平均修复时间来帮助重工业用户降低成本。”

        利用直流公共母线选件，用户可以将 PowerFlex 755 交流变频器连接到直流公共母线，从而利用不同的变频器周期来共享能源。在这种配置情况下，直流总线起到公共能量源的作用，将能量从发电负载馈电给电机负载。通过共享源管理能量有利于提高整个系统的性能并降低损耗，从而Zui终提高应用的能源效率。
    
        像所有 PowerFlex 755 变频器一样，Zui新框架尺寸包含一个内置以太网端口和五个可选插槽，因此用户可以根据其具体应用进行定制。选件模块包括 I/O、反馈、安全、附加通信和辅助电源。通过便利的推拉式设计，可轻松操作变频器，从而实现快速安装和维护。更换逆变单元时，变频器的整流单元和控制盒可保留在柜体内，因此控制接线仍能保持连接状态。

除扩展功率范围以外，所有 PowerFlex 755 变频器的固件升级还将包含下列新功能和优点：

• 内部永磁电机控制 – 提供更高的应用灵活性和高能源效率。
• “停车驻留”功能 – 有助于防止电机靠惯性停止。非常适合连续物料加工应用，允许用户预配置电机以便执行受控停止，从而保护高昂的电机投资。

        计划于今年晚些时候发布的下一版 Rockwell Software RSLogix 5000 软件将包含自动设备组态功能。此功能允许 Logix 控制器在安装时自动组态变频器，而不必手动组态更换的变频器。用户无需编程便可以快速轻松地更换变频器，延长正常运行时间，同时减少安装时间和安装成本。

 

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NEW ALLEN BRADLEY 1336S-B020-AA-EN3 20HP CONSTANT TORQUE AC MOTOR 

 

CROUSE HINDS M68 EPC66042 WN60 EXPLOSION PROOF 60A 600V 4P SAFETY 

 

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