一种新型电机保护装置设计
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- 英文论文题名：Design on a new type of motor protection device
- 论文作者：邵伟 ; 杨海东
- 英文论文作者：SHAO Wei ; YANG Hai-dong ; Fuyang Cigarette Factory ; China Tobacco Anhui Industrial Co. ; Ltd. ; School of Mechanical and Automotive Engineering ; Hefei University of Technology
- 年：2016
- 作者机构：安徽中烟工业有限责任公司阜阳卷烟厂;合肥工业大学机械与汽车工程学院;
- 论文关键词：电机保护 ; 高低限检测 ; 磁环感应线圈
- 英文论文关键词：Motor protection ; High and low limit of detection ; Magnetic induction coil
- 会议召开时间：2016-12-01
- 会议录名称：中国烟草学会2016年度优秀论文汇编——烟草工业主题
- 语种：中文
- 分类号：TM307.3
- 学会代码：ZGYG
- 学会名称：中国烟草学会
- 页数：6
- 文件大小：1720k
- 原文格式：D
摘要
本文针对传统热继电器在电机运行保护时存在的灵敏度低、调整误差大、功耗大、耗材多、性能指标落后等缺陷,设计出一种新型电机过载保护装置,该装置利用一个磁环感应线圈采集电机的某一相电流信号,同时采用线路板以干触点接入交流接触器控制线圈回路,该方式能适应多种规格的交流电机保护。另外不同于传统保护方法只检测高限,本文所设计装置还包含有低限检测线路,并通过对称负载中一相电流的变化反映电机不同的工作状态,在保障电机不被损坏的情况下充分利用电机的过载能力。
Aiming at improving disadvantages such as low sensitivity, great error in the action, huge power consumption, bigger consumption of material and bad performance index, a new overload protection device of electrical motors is presented here. The current of one phase could be collected with a circular induction coil and the designed PCB could access to the coil control of ac contactor with dry contact. This device could be used to protect more than one kind of AC motors. Moreover, different from traditional protection method, high limit detection and low limit detection are both concluded in this device. So, the improved detection device which could detect one phase current to reflect working condition of a motor could use the overload ability of the motor fully.
Aiming at improving disadvantages such as low sensitivity, great error in the action, huge power consumption, bigger consumption of material and bad performance index, a new overload protection device of electrical motors is presented here. The current of one phase could be collected with a circular induction coil and the designed PCB could access to the coil control of ac contactor with dry contact. This device could be used to protect more than one kind of AC motors. Moreover, different from traditional protection method, high limit detection and low limit detection are both concluded in this device. So, the improved detection device which could detect one phase current to reflect working condition of a motor could use the overload ability of the motor fully.
引文
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[2]毛跃辉,黄燕.小功率电机热保护器选型应用探讨[J].微电机,2010,43(2):102-104.
[3]庄锦.电机保护器的常见应用[J].电工技术,2010,(6):44,64.
[4]成开友.基于单片机的电机保护与软启动控制.电子科技大学学报[J],2003,32(2):155-157.
[5]余道洋,张传伟,郭卫.基于AVR单片机的矿用智能型电机保护器的研制[J].工矿自动化,2007(3):51-53.
[6]余红粒,习俊梅,廖高华.电机保护智能检测系统的设计[J].仪表技术与传感器,2006(10):42-44.
[7]王振波,徐新.晶闸管中频电源倍压式负载电路的设计计算[J].工业加热,1995(4):10-12,28.
[8]侯冉,隧道窑运转设备自动定位与监控系统设计[D].郑州:郑州大学,2014.
[9]彭涛,曹卫权,柳树林.科学使用热继电器—确保电机不烧坏[J].电气开关,2006,44(6):51-53.
[10]柳春生.双金属片式热继电器的应用条件分析[J].煤矿机电,2002(1):27-28.
[11]鲍家远,毛文林,张琴.数字逻辑[M].北京:高等教育出版社,2011:131-134.
[12]陈仕华,张稼轩.三相异步电动机Y-△降压启动中热继电器的应用[J].才智,2009(6):153.
[13]宁铎,高银孝.数字电路与系统[M].解决太阳能电源系统控制器振荡的有效方法:回差电压法[J].西北轻工业学院学报,1998,16(1):37-41.
[14]王勇.模拟与数字电路实验[M].上海:复旦大学出版社,2013:150-152.
[15]王家善.基于热效应的反时限过载保护算法[J].苏州大学学报:工科版,2009,29(6):26-29.