ABB励磁常用维护

1、UNITROL 5000励磁系统操作培训运行及维护UN5000桌面模型机-功率图-手操器-调试及维护工具“ CMTLear ning Cen ter forPower Electro nics and MV DriveCH-5300 Turgi / Switzerla nd练习1根据贵厂发电机参数绘制功率图目标：经过练习后可安全操作设备After this exercise you are able to show the safe operati ng area of the synchronous mach ine步骤：Procedure:贵厂发电机参数表* List the data o

2、f the syn chro nous mach ine in your pla nt such as:额定功率Rated PowerSn . .MVA机端电压Generator terminal voltage U Gn . kV频率Operat ing freque ncyfn . . Hz功率因数Nominal power factorcos直轴同步电抗Synchronous reacta neeXd . .pu空载励磁电流No load field currentIfo . .A额定励磁电流Rated field currentIfn .A* Show on the power cha

3、rt the safe operat ing area using the picture below*下面的图中示出功率图的安全操作区域-Read the rated field curre nt from the power chart and compare the value with the data stated above?-从功率图中读出额定电流值，和以上的参数值比较-Read the maximum possible reactive power at 0.6 pu active power inthe un der excited area if the load an g

4、le limiter is set to 75?-Read the gen erator curre nt with rated field curre nt and at no active power?读出在有功为零,额定励磁电流时的定子电流Read the load an gle at rated power?读出额定功率下的功角009,L F)8亠5,098 -r1089T807卜706/10、1j/f0.605/ 111/J/0.5、/zA0.3KA7/ /f0.3-A/z/-二:1-1-Q+Q)Exercise 2练习2Objective:目标:Operate UNITROL 50

5、00 usi ng the local operat ing panel使用现地操作面板操控 UNITROL5000After this exercise you are familiar with the local operat ing panel of the UNITROL 5000 System练习完成后应熟悉 UINITROL5000 系统的现地操作面板-How to operate the excitati on system locally using the panel keys +-如何使用面板键现地操作励磁系统-How to read sig nals-如何读取信号-Ho

6、w to display alarms-如何显示报警-How to reset alarms-如何复位报警-How to check the ARC net no des-如何检查ARC net地址码Procedure:步骤：-Select local con trol mode-选择现地控制模式-Cha nge over from AUTO to MANUAL operat ing mode-从AUTO操作模式切换至MANUAL操作模式-Select AUTO mode-选择AUTO模式-Start excitati on system and cha nge the setpo int o

7、f the voltage regulator from 100% up to 104%-启动励磁系统，在100%到104%范围内改变电压调节器设定值-Decrease the setpo int dow n to 85%. What can you observe?-设定值降到85%，可以观察到什么？-Display the follow ing sig nals on the display:-在面板上显示下面的信号：Gen erator term inal voltagekV机端电压Gen erator curre ntA定子电流Active powerMW有功功率Reactive po

8、werMvar无功功率Operati ng Freque ncyHz工作频率Power factor功率因数Field curre ntA磁场电流AVR setpoi nt%AVR设定值-Switch on excitati on and display the deviati on betwee n AVR and FCR output on the last line (8 th line). Switch from AUTO to MANUAL if the differe nee is smaller the n 0.5%. Observe the gen erator voltage

9、 carefully for cha nges whe n you cha nge the operat ing mode.-切换模式，在第八行显示AVR和FCR输出的差别。如果差值小于 0.5%，从AUTO模式切换到MANUAL模式。切换操作模式时仔细观察 发电机电压变化。-Switch the local panel to alarm display mode-将现地操作面板切换到报警显示模式。-Read the alarms on the display-读取面板上的报警值-Open one of the resistors (X05) on the FIO board. This wi

10、ll activate an additi onal alarm. Read this alarm and try to reset the alarm.-断开FIO板上其中一个电阻(X05)，将引发另外一个报警。读取报警 值，并且复位。t use the local con trol pan el.Procedure:步骤:- Close the field breaker and excite the unit. DonExercise 3练习3Use of the service panel of UNITROL 5000 使用UNITROL5000的手操器Objective:目标:-O

11、perati on of the excitatio n system by the service panel -Chan geover from cha nnel to cha nnel and AUTO/MAN -Indication of the most important signals-Changing of parameters-Small software modificati on-Better un dersta nding of the software-使用手操器操控励磁系统-通道间切换，自动手动间切换-最重要信号的指示-改变参数-细微的软件修改-对软件更好的理解-替

12、代手操器上所有信号。第一行显示 整流桥温度 “ CONV1_1TEMP“ REF_MIN_ACTIVE ”。MODE INDICATION ”，第二行显示，第三行显示相关最低指示-合磁场开关，起励单元。不使用现地操控制面板。- Display the field current in Amps, field voltage in percent and generator voltage in volts at the same time on the panel display. Write down the sig nal groups and nu mbers.-在手操器上同时显示磁场电

13、流的安培值，磁场电压的标幺值，定子电压的伏 特值。写下信号的组和号。- Replace all the signals on the display. Display on the first line MODE INDICATION , the seco nd line the conv erter temperature CONV1_1TEMPand the third line the referenee minimum indication REF_MIN_ACTIVE .- Change the set point to its minimum by using the refere

14、nee key on the service pan el.-使用手操器的相关键改变设定值到最低。 REF_MIN_ACTIVE should be logic one now. How does the software in dicate this?“ REF_MIN_ACTIVE ”现在应该是逻辑值。软件如何指示？-Chan geover to manual mode by using the service pan el.-使用手操器切换至手动模式。-Decrease the set point in manual mode. What does happe n with the si

15、g nal MODE INDICATION?-手动模式下降低设定值，“ MODE INDICATION ”信号有什么变化？-Change the ramp time RAMP_TIME1_REF_A for the set point of the AUTO mode to 20 seco nds.-设定自动模式下的上升时间“ RAMP_TIME1_REF_A ”为20秒。-Check your modificati on with the rise and lower butt ons of the local con trol pan el.-使用现地控制面板的上翻，下翻按钮，检查所做修改

16、。-Reduce the thermal set point of the field current limiter to 70% and the maximum value to 80%.-降低磁场电流限制器的温度设定值到70%，最高为80%。-Make a software modification so that binary output DO06 indicates that auto and manual mode are balaneed. Use the signal ready for transfer RDY XFER A M . Test your modificati

17、on.-修改软件，使DO06的二进制输出值指示自动和手动模式的平衡。使用信号“ RDY XFER A M ”试验所做修改。-Save the modification by using the function BACKUPSTOREMODE-使用“ BACKUPSTOREMODE ”保存修改。Exercise 4练习4Use of the Commissioning and Maintance Tool “ CMT使用调试维护工具“ CMT”Objective:- Operati on of the excitatio n system by CMT-Changing of paramete

18、rs-Fi nding parameters in the software-Upload ing and sav ing of parameters-Procedure to dow nl oad a new parameter set-Use of the trending fun cti on-Upload ing the fault logger目标：-使用CMT操控励磁系统-改变参数-软件中找参数-上传并保存参数-下载一个新的设定参数的步骤-使用趋势曲线功能-上传故障日志Procedure:步骤：-Connect your laptop to the simulator and st

19、art CMT.-连接笔记本电脑和装置，启动 CMT。-Excite the unit by using CMT.-使用CMT，起励。-Cha ngeover from AUTO to MANUAL. What is the group and sig nal number you use to perform any cha ngeover?-从AUTO模式切换至MANUAL模式。您应该使用哪个组的哪个信号来完成 模式的切换？-Upload the parameter set and save it un der an appropriate n ame in the user direct

20、ory C:/UN_5/USER.-上传设定的参数，并命名保存至用户路径C:/UN_5/USER-Compare the parameter sets with the default values.-比较参数设定值和默认值。-Open the parameter file UN5TMOD.qop and download the parameter.Save the new parameter in the FLASHPROM. Do not forget to en able thefun ctio n blocks in parameter 2504. Write dow n a dow

21、 nl oad procedure.-打开参数文件“ UN5TMOD.qop ”，并下载参数，将新的参数保存到 FLASH。不要忘记使能2504号参数，功能锁定。写下下载步骤。-Adjust the time.-调整时间。-Try to find in the parameter list the signal number of the following signals:-试着在参数表中找到以下参数的号-Gen erator voltage in perce nt-定子电压的标幺值。-Active power in MW-有功功率-AVR set point after the set p

22、oint in flue nee-AVR的设定点-Con trol voltage of the cha nnel-通道的控制电压-MAN mode active-手动模式激活-Overexcited limiter active-过励限制器激活-Modify the software so that in case the maximum set point is reached LED8 of the local con trol pan el lights up. Test your modificati on.-修改软件，使现地控制面板的LED8，在设定值达到最大时亮起。试验此修 改。

23、-Use the trending to record the start seque nee. Record the followi ng sig nals:-使用趋势曲线，记录起始时序。记录以下信号：-Gen erator voltage-定子电压-Excitati on curre nt-励磁电流-Con trol voltage-控制电压-Excitati on on-起励-Soft start-软启动Scale the binary signals so that they appear on the top of the graph. Also avoid overlapp ing

24、 of all sig nals.选定二进制信号，使它们在图中的上部显示。并且应避免所选信号的重叠。-Save the graph in the user directory.-保存绘图至用户路径。-Use the data logger to record the start seque nee. Record the followi ng sig nals:-使用数据日志记录 起始时序。记录以下信号-Gen erator voltage-定子电压-Exeitati on eurre nt-励磁电流-Con trol voltage-控制电压Trigger the data logger a

25、s soon the gen erator voltage achieve 30% of its nominal value.只要定子电压到达正常值的30%，触发数据日志。-Simulate conv erter over temperature and upload the fault logger aga in.-仿真整流桥超温，并再次上传故障日志。-Reset the fault by usi ng CMT.-使用CMT复位故障。练习5目的：使用励磁控制终端“ ECT”-使用ECT运行励磁系统-如何使用仪表盘显示信号-如何在参数和信号列表中找到信 号-如何改变参数-使用趋势曲线功能-如何使用数据日志功能-如何显示报警和故障信息-如何复位故障信息步骤:使用操作界面（二级）- 连接笔记本电脑至UNITROL 5000桌面装置，启动ECT-按照以下图示，根据您的发电机数据，标度仪表盘。-使用ECT操作面板上的键投