描述
下坡行驶时,在车体自身重力的作用下,电动机处于发电工作状态,并给变频器直流侧的主滤波电容器充电,使电动机产生制动转矩。变频器标准能提供10%~15%的制动转矩,使用制动单元和制动电阻选件后,能提供100%的制动转矩。当变频器直流侧电压上升到一定值时,制动单元自动工作,接通刹车电阻,进行能耗制动,控制单轨游览车稳速前进。试验表明,下坡时车速稳定,即使途中停车,也能正常减速并停稳。
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力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。
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