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智能型电动机保护器在也门化工行业的应用

发布时间: 2023-01-04  点击次数: 78次

安科瑞 于洋

Application of Intelligent Motor Protector in Yemen Chemical Industry

1.背景信息Background

现代化工工业中,电动机作为一种拖动机械,成为所有动力机械基础,科学技术不断进步和工艺控制不断完善,尤其是自动化生产要求,迫切需要开发和完善电动机控制和保护设备,实现对生产过程和大型机械遥控、遥测、遥调、故障诊断以及集中控制等功能。

In modern chemical industry,  as a mechanical drag, electric motor become the foundation of all machinery. Improvement of science and technology progress and process control, especially the automation production requirements, make it urgent to develop and improve the motor control and protection equipment , so as to realize the function remote control, remote sensing, remote setting, fault diagnosis, and centralized control of of the production process and large machinery.

  同时,化工行业具有大通量、满负荷连续运转特点,对电机设备可靠性和稳定性要求较高,一旦发生事故,须马上查找故障原因并及时除掉,以保证及时恢复生产,对于过去一直采用热继电器作为电动机过载保护和控制元件,受到元件质量和工艺限制,已无法满足日益发展化工工业自动化要求,而新型的智能电动机保护器,能够满足对电动机的保护控制要求,作为电动机保护元件,电动机保护器合理保障了电机安全运行、取代了热继电器,利用先进通讯技术,实现了电机控制自动化,并取了显著经济效益.

At the same time, the chemical industry have the characteristics of large flux, full load continuous operation, has high requirements for electrical equipment reliability and stability.Once there is an accident, the cause of the problem must been quickly checked and problems must been promptly eliminate, in order to timely recover to produce.In the past ,thermal relay have been used for motor overload protection or use as control components, but limited by component quality and technology, have been unable to meet the development of chemical industrial automation requirements, and new type of intelligent motor protector, can meet the requirement of the protection of motor control. As a motor protection device, motor protector effectively guarantee the safe operation of the electric motor, replaced the thermal relay, By using advanced communication technology, has realized the motor control automation, and take the significant economic benefits.

2.项目背景Project Ground

也门客户YCGSI是一家化工型企业, 2019年底,在网上寻找工厂能耗系统,并能接入SAP系统,联系到了安科瑞。安科瑞是一家集研发、生产、销售和服务于一体的高新技术企业,致力于为电力用户端提供能效管理和用电安全的系统解决方案。安科瑞电气具备从云平台软件到末端元器件的完整生产线。公司当时正有计划开发工厂能耗。客户12月底参观完上海总部,深入交流后,决定从元器件电动机保护器先开始采购试用,到目前为止,客户反馈比较满意,并有计划的续订其他产品。

YCGSI, a chemical company based in Yemen, contacted Acrel in late 2019 after its engineer searched online for the factory energy management system which can connected to SAP. Acrel is a high-tech enterprise integrating research and development, production, sales and service. It is committed to providing energy efficiency management and power safety system solutions for power users. Acrel Electric has a complete production line from cloud platform software to components.The company was planning to develop factory energy management system.The customer visited the headquarters in shanghai at the end of December, and after in-depth communication, they decided to start the purchase trial from the motor protector. So far, the customer has given satisfactory feedback, and has planned to renew other products.

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3.化工行业对保护器功能要求Function requirement of protector in chemical industry

安科瑞ARD2F电动机保护器能对电动机运行过程中出现的起动超时、过载、堵转、断相、不平衡、欠载、接地/漏电、阻塞、过压、欠压、绕组超温等多种情况进行保护,能够实现运行时间、次数统计等功能,对电机的运行电流、电压、运行时间、起动次数、报警和故障信息等进行监视,设有SOE故障事件记录功能,方便现场维护人员查找故障原因,并通过LCD液晶显示屏、状态指示灯等各种方式,将电机的运行状态清晰、直观地显示出来,该保护器具有RS485远程通讯接口,DC4~20mA模拟量输出,方便与PLC、PC等控制机组成网络系统,实现实现在人机界面对电动机监视,满足化工行业对电动机保护器的需求。

Acrel ARD2F motor protector can protect motor in the process of starting timeout, overload, locked-rotor, imbalance, phase loss, underload, grounding/leakage, block, overvoltage, undervoltage, winding over temperature and other condition. It realize the function of counting running time, frequency, monitor motor operating current, voltage, running time, starting time, alarm and fault information. It also have the function of SOE failure event record, convenient for maintenance staff to find the causes.Through LCD liquid crystal display and status indicators and so on, running state of the motor is displayed clearly and intuitively. The protector has RS485 remote communication port and DC4-20mA analog output, which is convenient to form a network system with PLC, PC and other control units, realize the monitoring of the motor in the human-machine interface, and meet the needs of the chemical industry for the motor protector.

4.ARD2F智能型电动机保护器在化工行业的运行效果Performance of ARD2F intelligent motor protector in chemical industry

ARD2F智能型电动机保护器运用到化工行业时,给化工的自动化生产过程带来如下运行效果:

When ARD2F intelligent motor protector is applied to the chemical industry, it brings the following operation effects to the automatic production process of chemical industry:

(1)系统信息集中System information centralization

用户可以通过抄表的方式采集各个装置节点的参数,如:电动机电流、电压、电动机运行情况、电能等,用户根据这些信息实现了对现场设备的电动机运行情况实时分析处理;

User can collect the parameters of each device node by means of meter reading, such as motor current, voltage, motor running status, electric energy, etc. According to these information, the user realizes real-time analysis and processing of the motor running status of field equipment.

(2)智能化控制保护Intelligent control protection

化工生产过程中使用ARD2F智能型电动机保护器后,如果电动机出现过载、缺相、超温等现象时,保护器将及时终止电动机的运行,并对各种故障信息作出相应的指示,在电网故障造成电压瞬间较大幅度的波动或者短时断电又恢复,带抗晃电功能时可使电动机保护器重新起动;

When ARD2F intelligent motor protectors are used in the Chemical production process , if motors have the phenomenon such phase loss, over temperature, protector will timely stop motor running, and makes the corresponding instructions for a variety of fault information。The motor protector with anti-electricity shaking function, can be restarted when the power grid fault causes instantaneous and large voltage fluctuation or the short-time power cut and restored.

(3)故障记录便于现场问题分析Fault recording facilitates field problem analysis

在化工行业中,电动机发生故障后,应及时的把备用电动机投上而不影响运行机制,对出现问题的电动机应及时处理以确保连续生产,早期的处理方法需要花大量的人力物力还需要一定的时间才能分析出来,不便于应用,而ARD2F智能型电动机保护器强大的故障记录功能为维护人员节省了大量的时间,提高了生产的效率及系统运行可靠性。

In the chemical industry, when electric motor falure occurs,  spare motor need to been timely replaced without affecting the operation mechanism.The motor pwith problem should be dealt with in time to ensure continuous production.The early treatment methods need a lot of manpower and material resources and need a certain amount of time to analyze, really not convenient.But ARD2F intelligent motor protector's powerful fault recording function saves maintenance personnel a lot of time, improves production efficiency and system operation reliability.

5.客户现场使用照片Photos on site

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6.结束语Ending

随着当代控制技术的不断发展,电动机已经成为控制系统中重要的一部分,电动机保护器也朝着多元化方向发展,因此我们工作人员需要充分考虑电动机保护实际需求,超前、准确、及时地判断电动机的故障,合理选择保护功能和保护方式,实现对电动机的良好保护,达到提高设备运行可靠性,减少非计划停车,减少事故损失的目的,电动机保护器是发电、供电、用电系统的重要器件,广泛的采用电动机保护器,不但可以提高工艺控制准确性、科学性,降低故障率,而且对于提高电气控制系统的自动化水平和发展国民经济,起着积极的推动作用。

With the continuous development of modern control technology, the motor has become an important part of the control system, and the motor protector is also developing in a diversified direction.Therefore, we should give full consideration to the actual needs of motor protection, judge motor faults in advance, accurately and timely, rationally select protection functions and protection modes, so as to realize good protection of the motor, improve the reliability of equipment operation, reduce unplanned shutdown and reduce accident losses.Motor protector is an important component of power generation, power supply and electricity consuption system. The widespread use of motor protector can not only improve the accuracy and scientificity of process control, reduce the failure rate, but also play a positive role in promoting the automation level of electrical control system and the development of national economy.


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