HD90S-C1-I0B1检测板

HD90S-C1-I0B1

HD90S-C1-I0B1

HD90S-C1-I0B1

罗斯海尔ROSSHILL接地故障检测板PC13是1400型SCR传动控制柜 每套直流传动系统包括晶闸管整流桥、直流控制模块、冷却风机、浪涌抑制电路、接触器控制电路和皮带轮防滑保护电路等装置，均安装在一个驱动柜中。该柜性能、可靠性高、操作和维修简便。SCR柜输出可调电压0-750VDC，电流可达1950ADC。柜子的上端装有2000A的断路器，具有欠压脱扣线圈和触点。面板上安装电压表(0-1000VDC)、电流表(0-2000ADC)和通电指示灯等装置。SCR整流桥下用风机强制冷却。在整流桥的每相输入端装有熔断器，附有微动开关，它与温度传感器和进线断路器的脱扣线圈互锁。微动开关断开表示主熔断器损坏。温度过高时，温度传感器断开，常闭触点，无论主熔断器损坏或柜内温度过高都可使断路器脱扣跳闸。柜中安装的浪涌抑制电路，可减弱危害SCR元件的任何尖脉冲。 每个SCR柜都能驱动泥浆泵、绞车和转盘。所驱动的电机可以是串励，也可以是并励

主要功能： ● 根据速度给定手轮的大小，确定SCR导通的相位角，实现电机的无级调速。 ● 根据负荷的大小，自动调节电流的大小，以维持电机转速的稳定。 ● 满足控制电路的零位锁定要求。 ● 提供控制回路所需的电压。 ● 能耗制动的检测和控制。 2、防滑电路板 主要功能: 当两台串励电动机由一台SCR柜供电而并联驱动同一负荷时，由于链轮故障可能使其中一台或两台电动机失去负载而超速，泥浆泵驱动就属于这种情况。 　　链轮防滑板的作用就是检测串励电动机的转速和负载是否正常，当转速和负载比率超过阀值时

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