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CM组合式采煤机用SRD~全系列升级

CM组合式采煤机用SRD~全系列升级

详细描述 

 

主要技术特点:

1、完善保护功能,中断冷却水情况下不损坏。

2、强化减震设计,抗震动指标提高30%。

3、提高抗电磁干扰性能,避免误动作误保护。

4、外观全面升级,更?#29992;?#35266;耐腐蚀。

5、提高同步运行过载能力,实现62&deg;超大倾角运行。


主要性能特点:

 


型号 18.5/SH25/SH40/SH60/SH
输出参数额定功率(kW)18.5&times;225&times;240&times;260&times;2
额定转速(rpm)1000120010001100
最高转速(rpm)1350160013501350
输出特性四象限运行,额定速以下为恒转矩,额定速以上为恒功率
过载能力110~120%(额定转矩)
起动转矩不小于150%(额定转矩)
稳速精度0.5%(最高转速)
2电机输出转矩差不大于10%(额定同步运行?#20445;?/span>
响应时间(s)0.5
电源电压/频率3~380V+15% -20%,50Hz&plusmn;5%
控制参数正反向、起停控制开关、触头
转速控制模拟电压(0-5V)
升降时间升速20秒(0~最高速),降速10秒(最高速~0)
保护电源过压动作值不低于115%额定电压,人工?#25351;?/span>
电源欠压动作值不高于80%额定电压,人工?#25351;?/span>
电动机过载延时10秒动作,人工?#25351;?/span>
电动机堵转立即动作,人工?#25351;?/span>
电动机过热检测绕组温度,140℃动作,常闭,人工?#25351;?/span>
控制器过热65℃动作,人工?#25351;?/span>
电动机绝缘等级H
防护等级隔爆,IP54
冷却型式水冷
控制器安装型式底板安装式
防护等级IP23
冷却型式底板传导冷却(与水冷腔紧密接触)
环境海拔高度不超过2000米(80~110kPa)
使用温度&mdash; 5℃~40℃
相对湿度不大于95%,不结露
 显示功能通过采煤机数码显示屏和采煤机的外围电气PLC系统,显示电动机运行、保护状态。(每台SRD控?#39057;?#20803;内部配一块SRD显示板,可作为检修时的状态显示)

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