安科瑞 陳聰(cōng)

 Application of Intelligent Motor Controller in Sri Lanka Power Plant

摘(zhāi)要
：傳統的低壓電(diàn)動(dòng)機(jī)保護是(shì)通(tōng)過繼電(diàn)保(bǎo)護(hù)二次回(huí)路(lù)實(shí)現，但(dàn)是(shì)我們(mén)結合電廠(chǎng)輔助(zhù)控製設(shè)備的(dí)特(tè)點及其(qí)控製要(yào)求(qiú)，推薦ARD2F智能型電動(dòng)機控(kòng)製器。以(yǐ)下綜合介紹ARD2F智能(néng)型(xíng)電(diàn)動(dòng)機(jī)控製器產(chǎn)品(pǐn)的(dí)特點(diǎn)及(jí)其智(zhì)能化保護(hù)
，測量(liáng)
，控製和(hé)通訊等。

Abstract: The traditional low-voltage motor protection is achieved through the relay protection secondary circuit, but we combine the characteristics of the auxiliary control equipment of the power plant and its control requirements, and recommend the ARD2F intelligent motor controller. The following is a comprehensive introduction to the characteristics of ARD2F intelligent motor controller products and its intelligent protection, measurement, control and communication.

關鍵詞(cí)
：電動機保(bǎo)護(hù)
，智能化
，通訊(xùn)

Keywords: motor protection, intelligence, communication

1.前言(yán) Blackground

因為(wéi)發(fā)電廠電(diàn)機設備的使用量(liáng)逐步增多(duō)，促(cù)使電動機(jī)的(dí)正常(cháng)運轉發(fā)揮成為了(liǎo)其(qí)他(tā)的(dí)設(shè)備能夠正常運(yùn)轉(zhuǎn)的前(qián)提條(tiáo)件(jiàn)，因此能夠(gòu)合理(lǐ)選(xuǎn)擇和使(shǐ)用(yòng)電動機(jī)控製(zhì)器(qì)是(shì)對(duì)正(zhèng)常的(dí)工業(yè)現(xiàn)場(cháng)生產(chǎn)工作(zuò)負責(zé)的表(biǎo)現(xiàn)，隻有在電(diàn)動(dòng)機正常(cháng)發揮(huī)其功能(néng)的(dí)基礎上(shàng)，才能夠(gòu)保(bǎo)證整(zhěng)個(gè)電機設備(bèi)的工作流(liú)程不會(huì)受(shòu)到幹擾，可以正(zhèng)常運行(háng)。在斯裏蘭(lán)卡某電廠(chǎng)中，給客(kè)戶推薦(jiàn)我司的ARD2F係列。

Because the use of motor equipment in power plants is gradually increasing, the normal operation of the motor has become a prerequisite for the normal operation of other equipment. Therefore, the reasonable selection and use of motor controllers is responsible for normal industrial site production work. Only on the basis of the normal function of the motor, it can be ensured that the working process of the entire motor equipment will not be disturbed and can operate normally. In a power plant in Sri Lanka, we recommend our ARD2F series to customers.

在電廠電(diàn)機(jī)設(shè)備(bèi)的(dí)保(bǎo)護設計(jì)中，低壓電(diàn)動(dòng)機(jī)的(dí)應用(yòng)及保(bǎo)護配置(zhì)可(kě)采用(yòng)多(duō)種(zhǒng)方案進行(háng)設計，對(duì)於過(guò)去采用熱繼(jì)電(diàn)器(qì)
，斷(duàn)路器（或熔斷(duàn)器）作為(wéi)電動(dòng)機(jī)過負(fù)荷保(bǎo)護
，斷相(xiāng)保(bǎo)護(hù)
，短(duǎn)路(lù)保護和控(kòng)製(zhì)元件(jiàn)，我(wǒ)們ARD2F智能(néng)電動機控(kòng)製器可(kě)實現重載起(qǐ)動，實現(xiàn)對電動機(jī)的(dí)溫度(dù)保(bǎo)護(hù)，還(huán)提供(gōng)多種(zhǒng)測(cè)控功能和多(duō)種(zhǒng)電(diàn)動機控製模(mó)式，能夠(gòu)滿足(zú)對電動機的(dí)保護控製要(yào)求，合理地(dì)保障了電機的(dí)安全(quán)運行(háng)。接下(xià)來(lái)我們介紹下ARD2F智能(néng)型電動(dòng)機控製(zhì)器在發電廠中的(dí)實際應用進行具(jù)體介紹。

In the protection design of power plant electrical equipment, the application and protection configuration of low-voltage motors can be designed with a variety of solutions. In the past, thermal relays, circuit breakers (or fuses) were used as motor overload protection, phase failure protection, short-circuit protection and Control components, our ARD2F intelligent motor controller can realize heavy load starting and realize the temperature protection of the motor. It also provides a variety of measurement and control functions and a variety of motor control modes, which can meet the protection and control requirements of the motor, and effectively protect the motor safe operation. Next, we introduce the actual application of the ARD2F intelligent motor controller in power plants for a specific introduction.

2.電廠對電(diàn)動(dòng)機(jī)控(kòng)製器的功(gōng)能要(yào)求(qiú) 

Functional requirements for motor controllers in the power plant

在(zài)電廠(chǎng)中，發電總量中(zhōng)消耗(hào)在電(diàn)動(dòng)機上(shàng)的電量就(jiù)占(zhān)了(liǎo)很(hěn)大一(yī)部(bù)分(fēn)，而各類(lèi)風機
，水(shuǐ)泵
，空壓(yā)機(jī)又(yòu)占(zhān)電動(dòng)機(jī)所耗電的(dí)一半以上(shàng)。由(yóu)於(yú)發電(diàn)廠電動(dòng)機的工(gōng)作(zuò)環境較(jiào)惡劣，經常容易發生堵轉
，短(duǎn)路
，斷(duàn)相或長期(qī)過載(zǎi)運行(háng)等故(gù)障(zhàng)，所以急(jí)需(xū)一個(gè)可以(yǐ)對(duì)電機進(jìn)行實時保護(hù)
，控(kòng)製，保證發電廠(chǎng)電動機(jī)的正常(cháng)運(yùn)行。

In power plants, the electricity consumed by motors accounts for a large part of the total power generation, and various types of fans, pumps, and air compressors account for more than half of the electricity consumed by motors. Due to the harsh working environment of the motors in power plants, they are often prone to faults such as locked rotor, short circuit, open phase or long-term overload operation, so there is an urgent need for a real-time protection and control of the motor to ensure the normal operation of the motor in the power plant.

因此(cǐ)，ARD2F可以(yǐ)對(duì)電廠電機進(jìn)行電壓
，電(diàn)流(liú)全電量(liáng)參(cān)數測(cè)量，並(bìng)且(qiě)帶通訊(xùn)功能，控製(zhì)器(qì)需(xū)要有(yǒu)自診(zhěn)斷輸(shū)出(chū)
，斷電輸出
，故(gù)障記錄等功(gōng)能，總(zǒng)結(jié)為如下(xià)功(gōng)能
：

Therefore, ARD2F can measure the voltage and current full power parameters of the power plant motor, and has communication functions. The controller needs to have functions such as self-diagnosis output, power-off output, and fault recording, which are summarized as the following functions:

1.實現*的電(diàn)機保護(hù)功(gōng)能 Realize complete motor protection function

控製(zhì)器通過(guò)采集(jí)三(sān)相交流電(diàn)流
，三相交流(liú)電壓(yā)
，剩餘電(diàn)流(liú)
，PTC熱(rè)電阻阻(zǔ)值(zhí)
，電動(dòng)機(jī)電(diàn)能等電量(liáng)參數(shù)，以及(jí)電(diàn)動(dòng)機(jī)運行過程中的(dí)各種運(yùn)動(dòng)狀態等信(xìn)號，經(jīng)控製器內(nèi)部(bù)處理運(yùn)算(suàn)，從而(ér)實(shí)現對電動(dòng)機起(qǐ)動超時(shí)
，過(guò)載(zǎi)
，阻塞
，欠(qiàn)載
，斷相
，三(sān)相電流不平衡(héng)
，剩(shèng)餘(yú)電流（接(jiē)地(dì)/漏電(diàn)）
，溫度
，外(wài)部(bù)故障
，相序(xù)
，過壓(yā)
，欠壓(yā)
，欠功率(shuài)
，過功(gōng)率(shuài)
，tE時間等全方麵綜合保護，進而保證發(fā)電廠生(shēng)產工作(zuò)的(dí)安(ān)全連續(xù)運行(háng)。

The controller collects three-phase AC current, three-phase AC voltage, residual current, PTC thermal resistance resistance, motor electrical energy and other electrical parameters, as well as signals such as various motion states during the operation of the motor, and then processes and calculates internally by the controller. Realize the motor starting overtime, overload, blockage, underload, phase failure, three-phase current imbalance, residual current (ground/leakage), temperature, external fault, phase sequence, overvoltage, undervoltage, underpower, overpower, Comprehensive comprehensive protection such as tE time, and then ensure the safe and continuous operation of the power plant production work.

2.實(shí)現多種電動機(jī)控(kòng)製(zhì)方式(shì) Realize a variety of motor control methods

智(zhì)能(néng)型電動(dòng)機(jī)控製(zhì)器(qì)通(tōng)過程序(xù)控(kòng)製，實(shí)現多(duō)種不同的電(diàn)動(dòng)機起動(dòng)控(kòng)製，采(cǎi)用控(kòng)製器來(lái)實(shí)現的操作控(kòng)製權限(xiàn)包括
：1）RS-485通(tōng)訊(xùn)接(jiē)口(kǒu)實現遠程控(kòng)製(zhì)
；2）能夠(gòu)通(tōng)過顯(xiǎn)示模塊(kuài)上的(dí)按鍵進行操(cāo)作控製
；3）通(tōng)過(guò)DCS係(xì)統(tǒng)控製(zhì)DI端(duān)子實(shí)現(xiàn)遠(yuǎn)程自動控(kòng)製(zhì)
；4）DI端子現(xiàn)場就地控製。

The intelligent motor controller realizes a variety of different motor starting control through program control. The operation control authority realized by the controller includes: 1) RS-485 communication interface to realize remote control; 2) It can be carried out through the buttons on the display module Operation control; 3) Realize remote automatic control through DCS system control DI terminal; 4) DI terminal on-site control.

3.實現(xiàn)現(xiàn)場(cháng)實(shí)時監測電動機(jī)運(yùn)行 Realize real-time monitoring of motor operation on site

電廠通過(guò)控製(zhì)器能(néng)夠實時(shí)觀察(chá)現(xiàn)場(cháng)電動(dòng)機設備(bèi)在(zài)運行過程(chéng)中(zhōng)的電壓(yā)
，電(diàn)流(liú)
，頻率(shuài)等參數以及(jí)電動機當(dāng)前的(dí)運(yùn)行(háng)狀況，操(cāo)作顯示(shì)模(mó)塊上的(dí)按(àn)鍵(jiàn)設置(zhì)電(diàn)廠電動(dòng)機設備(bèi)的起(qǐ)動方(fāng)式（可選擇(zé)手(shǒu)步(bù)啟(qǐ)動
，兩步啟(qǐ)動(dòng)
，雙速啟動(dòng)和(hé)保(bǎo)護(hù)方式）。

Through the controller, the power plant can observe the voltage, current, frequency and other parameters of the field motor equipment in the running process and the current operating status of the motor in real time. Operate the buttons on the display module to set the starting mode of the power plant motor equipment (optional manual start, two Step start, two-speed start and protection mode). 

4.實現通訊功(gōng)能 Realize communication function

控(kòng)製器可通過RS-485通訊接口，經過(guò)Modbus-RTU或(huò)Profibus-DP通訊協(xié)議與上(shàng)位機管(guǎn)理(lǐ)係(xì)統(tǒng)進(jìn)行(háng)通(tōng)訊連接，將(jiāng)信(xìn)息(xī)在較短時間(jiān)內發送(sòng)給(gěi)後台管(guǎn)理係統(tǒng)並對故(gù)障(zhàng)信(xìn)息(xī)發出報警信(xìn)號，使操作(zuò)人(rén)員能夠(gòu)盡快發現故(gù)障(zhàng)原因並及時排除(chú)故障，實現(xiàn)電廠(chǎng)電動機設備的(dí)數據的實(shí)時傳(chuán)輸功能(néng)。

The controller can communicate with the upper computer management system through the RS-485 communication interface through the Modbus-RTU or Profibus-DP communication protocol, and send the information to the background management system in the shortest time and send an alarm signal to the fault information to make the operation The personnel can find the cause of the fault and eliminate the fault in time to realize the real-time transmission function of the data of the electric motor equipment of the power plant.

ARD2F智能(néng)型(xíng)電動機(jī)控(kòng)製(zhì)器采(cǎi)用(yòng)模塊化的產品結(jié)構(gòu)形式，包(bāo)括(kuò)主(zhǔ)體控製(zhì)模塊(kuài)
，互感器模塊和顯示(shì)模塊，並(bìng)可(kě)根(gēn)據工業現(xiàn)場(cháng)的(dí)實際應用(yòng)選配(pèi)ARD2F智(zhì)能型(xíng)電動機(jī)控(kòng)製(zhì)器的其(qí)他功(gōng)能(néng)模塊和(hé)附件(jiàn)。

ARD2F intelligent motor controller adopts modular product structure, including main control module, transformer module and display module, and can be equipped with other functional modules and accessories of ARD2F intelligent motor controller according to the actual application of the industrial field.

3.電(diàn)廠(chǎng)選(xuǎn)用(yòng)ARD2F智(zhì)能(néng)型電(diàn)動(dòng)機控製器(qì)產(chǎn)生(shēng)的效果(guǒ)

The effect of using ARD2F intelligent motor controller in power plant

對電(diàn)動(dòng)機(jī)的運(yùn)行實施保(bǎo)護以及保證電動(dòng)機能夠連續(xù)不間(jiān)斷的(dí)運行(háng)對於(yú)生產是至關重(zhòng)要的(dí)，電(diàn)廠(chǎng)選用(yòng)ARD2F智(zhì)能(néng)型電(diàn)動機(jī)控製(zhì)器後(hòu)帶(dài)來(lái)的(dí)好處有(yǒu)
：

Protecting the operation of the motor and ensuring the continuous and uninterrupted operation of the motor are vital to production. The benefits of using the ARD2F intelligent motor controller for power plants include:

1.組網靈活性高，便(biàn)於(yú)控製 High networking flexibility, easy to control

電(diàn)廠(chǎng)中電動機控(kòng)製器與配電(diàn)產(chǎn)品的(dí)應(yīng)用(yòng)有(yǒu)著相(xiāng)同的比重，在實(shí)現(xiàn)組網的工作過程(chéng)中，它們是密不可分的(dí)。ARD2F智能(néng)型(xíng)電動機(jī)控製器提(tí)供了RS-485通(tōng)訊接口(kǒu)，並(bìng)且實(shí)現多種協(xié)議的選擇（Modbus-RTU/Profibus-DP），通過RS-485與上(shàng)位(wèi)機之間的通信，能夠(gòu)方便工程師通過計算機(jī)後(hòu)台實(shí)現遠(yuǎn)程自(zì)動控(kòng)製和在綫監(jiān)視設備(bèi)的運行狀(zhuàng)況等。

The application of motor controllers and power distribution products in power plants has the same proportions, and they are inseparable in the process of realizing the networking. ARD2F intelligent motor controller provides RS-485 communication interface, and realizes the choice of multiple protocols (Modbus-RTU/Profibus-DP). Through the communication between RS-485 and the host computer, it is convenient for engineers to realize through the computer background Remote automatic control and online monitoring of equipment operation status, etc.

2.實時(shí)顯(xiǎn)示(shì)參數(shù)，方便現(xiàn)場(cháng)巡(xún)檢(jiǎn) Real-time display of parameters, convenient on-site inspection

ARD2F智(zhì)能(néng)型電(diàn)動(dòng)機控製器(qì)是采用模(mó)塊(kuài)化的產品結構形式(shì)，將顯示(shì)模塊安裝在DCS櫃(guì)體(tǐ)，通(tōng)過液晶(jīng)界麵(miàn)即可實時觀(guān)察當(dāng)前(qián)電(diàn)動(dòng)機的(dí)運行狀(zhuàng)態(tài)，便(biàn)於(yú)用戶對現(xiàn)場(cháng)電動機的維(wéi)護和(hé)控製。

The ARD2F intelligent motor controller adopts a modular product structure. The display module is installed in the DCS cabinet, and the current running status of the motor can be observed in real time through the LCD interface, which is convenient for users to maintain and control the on-site motor.

3.節能(néng)降(jiàng)耗(hào) Energy saving

電動機控(kòng)製器(qì)在節能(néng)降耗方(fāng)麵(miàn)的作用開始(shǐ)為大(dà)家所重視，ARD2F智能(néng)型(xíng)電(diàn)動機控製(zhì)器可以在(zài)電(diàn)動(dòng)機(jī)設(shè)備處(chǔ)於欠載等運行狀(zhuàng)態(tài)時做自動(dòng)停(tíng)機，合理的避(bì)免了(liǎo)能源的浪費，為企(qǐ)業節省(shěng)資金。

The role of the motor controller in energy saving and consumption reduction began to be paid attention to. The ARD2F intelligent motor controller can automatically stop when the motor equipment is under load and other operating conditions, effectively avoiding the waste of energy and saving money for the enterprise.

4.信息集中(zhōng)化(huà) Information centralization

用戶(hù)可通過通訊(xùn)模塊實(shí)現(xiàn)在後台實(shí)時(shí)監測係統中各(gè)個電動(dòng)機(jī)的運行(háng)狀況(kuàng)，隨時觀察設(shè)備(bèi)的(dí)運行參(cān)數，如(rú)
：電動機(jī)電流(liú)
，電(diàn)壓
，電(diàn)動機運行(háng)狀況
，電動機(jī)電(diàn)能等參數(shù)，通過分析采(cǎi)集(jí)到的信(xìn)息，用戶可以對(duì)各個設(shè)備的(dí)電(diàn)動機(jī)運(yùn)行情(qíng)況(kuàng)進(jìn)行實時處理，提高了(liǎo)整個(gè)控製係(xì)統的安(ān)全(quán)性(xìng)
，可(kě)靠(kào)性。

The user can monitor the operating status of each motor in the system in real time through the communication module, and observe the operating parameters of the equipment at any time, such as: motor current, voltage, motor operating status, motor power and other parameters. By analyzing the collected information, the user can Real-time processing of the motor running status of each device improves the safety and reliability of the entire control system.

5.智能化自控保護 Intelligent automatic control protection

ARD2F智(zhì)能(néng)型(xíng)電動機控製器使用靈活(huó)，報警(jǐng)和保護(hù)參數(shù)可以通過軟(ruǎn)件根據電廠電(diàn)動機(jī)設備(bèi)實(shí)際運行(háng)條件預(yù)設(shè)不同的值(zhí)，避(bì)免因過度(dù)保護影(yǐng)響實(shí)際生(shēng)產(chǎn)。用戶(hù)在(zài)選(xuǎn)用ARD2F智能(néng)型電動機控製(zhì)器(qì)後，一旦現(xiàn)場電動機(jī)出現故(gù)障(zhàng)，控製(zhì)器及時控製電動(dòng)機(jī)停止(zhǐ)運(yùn)行，並對各(gè)種(zhǒng)故障信息作出相應的指(zhǐ)示和記(jì)錄，方便用戶查詢故(gù)障信(xìn)息(xī)。在電網故障造成電壓瞬(shùn)間較(jiào)大幅(fú)度的波(bō)動(dòng)或(huò)者短(duǎn)時(shí)斷電又恢(huī)復(fù)，帶抗晃電(diàn)功能(néng)時可使電動機控製器重新起動(dòng)。

The ARD2F intelligent motor controller is flexible to use. The alarm and protection parameters can be preset to different values through the software according to the actual operating conditions of the power plant's motor equipment, so as to avoid excessive protection from affecting actual production. After the user selects the ARD2F intelligent motor controller, once the on-site motor fails, the controller controls the motor to stop running in time, and makes corresponding instructions and records of various fault information, so that the user can query the fault information. When the grid fault causes a large voltage fluctuation or short-term power failure and recovery, the motor controller can be restarted with the anti-shake function.

6. 記錄(lù)電(diàn)機(jī)故障(zhàng)信(xìn)息，便於現場(cháng)問(wèn)題(tí)分析 

Record motor fault information for easy on-site problem analysis

在(zài)發(fā)電(diàn)廠工(gōng)作的(dí)電(diàn)動機(jī)設備大(dà)多(duō)數處於(yú)高溫(wēn)
，潮濕
，多(duō)塵埃的(dí)工況下，很容易出現(xiàn)故障(zhàng)，一(yī)旦(dàn)發生故障，檢修(xiū)人(rén)員(yuán)也(yě)很難盡快(kuài)發(fā)現故障(zhàng)原因(yīn)，並且需要一(yī)定(dìng)的(dí)時間
，人(rén)力(lì)和物力(lì)才(cái)能(néng)分(fēn)析故障(zhàng)原因(yīn)。ARD2F智能(néng)型電(diàn)動機控製器有*的(dí)故障(zhàng)和(hé)事件記錄
，運行管(guǎn)理信息為(wéi)現場維(wéi)護人員(yuán)節省了大(dà)量的(dí)時間(jiān)，提(tí)高(gāo)了維修人員的(dí)工作(zuò)效率(shuài)，進一步提高了整(zhěng)個(gè)控製回(huí)路的(dí)性能(néng)。

Most of the motor equipment working in power plants are in high temperature, humidity, and dusty conditions, which are prone to failure. Once a failure occurs, it is difficult for maintenance personnel to find the cause of the failure in the first time, and it takes a certain amount of time, manpower and Material resources can analyze the cause of the failure. The ARD2F intelligent motor controller has powerful fault and event records and operation management information, which saves a lot of time for field maintenance personnel, improves the work efficiency of maintenance personnel, and further improves the performance of the entire control loop. 

4.小(xiǎo)結(jié) Summary

在發電廠低壓電(diàn)動機保護(hù)和監控(kòng)係(xì)統中(zhōng)采用(yòng)ARD2F智能型電動(dòng)機(jī)控製(zhì)器(qì)，在(zài)提(tí)高(gāo)控製回(huí)路的自動(dòng)化(huà)水平(píng)和可靠性的同時也(yě)提(tí)高了(liǎo)企業的(dí)綜合(hé)效益，做到了可(kě)靠性和經濟性(xìng)的(dí)統(tǒng)一。並且(qiě)，隨著技術(shù)的不(bù)斷發(fā)展，ARD2F智能型電動機(jī)控製器在發(fā)電(diàn)廠低(dī)壓(yā)電(diàn)動(dòng)機(jī)保護(hù)及測控運行過程(chéng)中(zhōng)將起(qǐ)到越來越大的(dí)作用。

The ARD2F intelligent motor controller is used in the low-voltage motor protection and monitoring system of the power plant, which not only improves the automation level and reliability of the control loop, but also improves the comprehensive benefits of the enterprise, and achieves the unity of reliability and economy. Moreover, with the continuous development of technology, ARD2F intelligent motor controller will play an increasingly important role in the protection and measurement and control of low-voltage motors in power plants.

參(cān)考文(wén)獻 Bibliography

1.Solutions For Enterprise Micro-grid System 2020.02