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5 Protection Configuration

Multiple protection functions and non-electric signal interface can be provided according to

requirements on protection of generator transformer in

Technical Regulations on Relay Protection and

Safety Automatic Device

to meet the requirement on protection of generator transformer unit of small sized

generating unit. The protection requirement on generator, main transformer, station transformer, high

voltage reserved transformer, excitation transformer and large synchronous phase modifier can be met.

Protection configuration is flexible and reasonably designed to meet counter measures requirement of power

system and ensure operational reliability of the device.

5.1 Differential protection of generator

5.1.1 Protection Principle

The differential action of the generator can use single-phase differential action mode. Single-phase

differential action mode: any phase differential protection action, namely tripping. This mode is equipped

with TA line broken detection function. Differential protection is transiently blocked in case of TA line

broken and the signal of TA line broken is delayed. When protection braking current is more than knee

current, locking of TA line broken is released, namely, setting TA line broken and not blocking differential

action.

The protection is equipped with threshold crossing alarm function of differential current. Differential

protection can be braked through secondary harmonic wave (indicated in the order).

Percentage restraint is improved in digital protection compared to traditional protection principle. It is

composed of no restraint part and percentage restraint part and has higher sensitivity and capacity of

anti-TA saturation.

Its action equation is as follows:









≥

−

≥

)

(

Of which: I

: - knee-point current of curve

: -starting current of curve

: - slope of curve

Содержание BEPR- 554U

Страница 1: ... www bueno electric com BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 BEPR 554U Generator Protection Device Technical Manual Operation Manual ...

Страница 2: ...Part 1 Technical Manual ...

Страница 3: ... has the following features Main processor of the device is Motorola s 32 bit microprocessor with fast speed high reliability rich resources and big room to expandability The whole panel is a 240 128 big screen LCD which is operated and displayed in Chinese and has friendly human machine interface Multiple kinds of communication interfaces Reserved RS 232 RS 485 422 CAN and Ethernet can convenient...

Страница 4: ...Https www bueno electric com BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 2 The device has overall rich and simple debug functions ...

Страница 5: ...secondary resistance is changed to meet the requirement of measurement ranges of different currents such as extreme current of generator and neutral point current etc DC voltage and current set advanced isolated conversion of hall sensor such as rotator voltage of generator and diverter voltage of rotator 2 2 Host processing module CPU All analogs resulting from conversion by AC and DC input modul...

Страница 6: ...ns then main processor drives block relay and cuts off OPS at photoelectric coupling output side of state quantity output Auxiliary processor drives the above block relay when main processor is in abnormal conditions Block relay will not be reset unless it is powered down Mutual monitoring of dual processors ensures operation reliability of the device The terminals of CPU module are used to connec...

Страница 7: ...eaks through the bottleneck of internal communication of the device and enhances internal information transmission rate of the device External communication has three ports with one being set on the panel and two being set on the back panel of communication interface module COM panel RS232 serial port on the panel is used to be connected with PC Two communication ports on the back panel of communi...

Страница 8: ... TRIP This module interfaces with the commands sent by CPU module and provides device actions and alarm signals which can be transmitted to either signal lamp on the panel or central signal device Each unit is equipped with a set of three phase operation circuit Device can adaptive tripping current without on site adjustment Figure 2 3 Electronic schematic of MMI module ...

Страница 9: ...ithout dew Atmospheric pressure 80 110kPa below relative sea level elevation of 2KM 3 2 Nominal parameters Rated DC voltage 220V 110V indicated in the order around 10W fluctuation range 20 10 Rated AC data Phase voltage 3 100 V Line voltage 100V AC 5A 1A indicated in the order Rate frequency 50Hz 3 3 Technical parameters of device Input circuit 24V D C 2 4mA at each point Output contact rating 30W...

Страница 10: ...ircuits in atmospheric conditions of normal test and voltage of open circuit test is 5kV 4 4 Humid heat resistance property The device can withstand humid heat test stated in Chapter 21 of GB7261 The highest test temperature is 40 and maximum humidity is 95 and test duration is 48 hours and each cycle lasts 24 hour alternating humid heat test Insulation resistances of all conducting channels to ex...

Страница 11: ...ectrostatic discharge test with IV level space discharge 15kV and contact discharge 8kV stated in IEC255 22 2 standard 4 6 Mechanical property 4 6 1 Vibration The device can withstand vibration and endurance test with rigorous ranking level I stated in 16 3 of GB7261 4 6 2 Impact The device can withstand vibration and endurance test with rigorous ranking level I stated in 17 5 of GB7261 4 6 3 Coll...

Страница 12: ...le The differential action of the generator can use single phase differential action mode Single phase differential action mode any phase differential protection action namely tripping This mode is equipped with TA line broken detection function Differential protection is transiently blocked in case of TA line broken and the signal of TA line broken is delayed When protection braking current is mo...

Страница 13: ...e must be negative abrupt change Condition 3 No abrupt change on the opposite side of abrupt change Condition 4 No change on other sides 5 1 2 Input analog Current at generator end IAT IBT ICT Neutral point current of generator IAN IBN ICN Protection calculation uses differential current method 5 1 3 Logic chart of protection is as follows A phase differential B phase differential C phase differen...

Страница 14: ...break protection input Quick break protection quit 2 CT break line check input CT break line check quit 3 CT break line not bloking differential CT break line bloking differential 2 Setting principels and setting proposals a Proportional coefficient of the brake Kz rate of curve Kz should accord escape outside three phase short circuit when the maximum transient unbalanced differential current to ...

Страница 15: ...sitivity of generator must meet the machine end two phase metallicity short circuit the sensitive coefficient of the differential protection Ksen2 Ksen sensitive coefficient is defined as a machine side two phase metallicity short circuit when the short circuit current and the ratio of the differential protection operating current the bigger the Ksen protective action is sensitive the higher relia...

Страница 16: ...ondary side also from secondary square winding of arc suppressing coil Action equation 3Uo 3Uog 3Uo is opening winding of generator terminal TV or neutral point TV secondary side also from secondary square winding of arc suppressing coil 3Uog is action voltage fixed value 5 2 1 3 Logic chart of protection is as follows When the zero sequence voltage as the input voltage of stator ground fault prot...

Страница 17: ...tor ground fault protection suitable for the machine end position three phase outlet with zero sequence current transformer of small generators The protection can be separately as a generator of the internal stator winding the stator ground fault protection 5 2 2 1 3I0 Protection principle Protect access 3 IO current from the zero sequence current transformer secondary qualification in the generat...

Страница 18: ...ng wire through the zero sequence TA to check the single phase current When is equal to a setting into the current when the current action observation of the ma number as shown on the interface the ma number as fixed values input device and curing Deferred operation time of setting protection unit s t 6s 9s 5 3 Overvoltage protection of generator 5 3 1 Protection principle The protection reflects ...

Страница 19: ...dance criterion of generator terminal low voltage criterion of rotator low voltage criterion of transformer high tension side and stator overcurrent criterion The setting boundary of impedance is generally boundary circle or other shapes of static stability If impedance circle set according to static stability boundary cannot meet the requirement in case of under excitation operation of generator ...

Страница 20: ...criterion and high tension side low voltage criterion are met and generator is tripped after tripping command is sent by and gate logic Destabilization signal is sent through and gate circuit when rotator low voltage criterion and static stability boundary criterion are met The signal indicates that generator loses static stability due to loss of excitation Destabilization signal is generated by s...

Страница 21: ...hydraulic turbine and so t1 can be set small value Tripping command is sent after short time delay upon sending destabilization signal Functional block diagram of protection operation the protection of small sized unit uses basic logic chart 1 of generator loss of excitation protection and the protection of other units uses basic logic chart 2 of generator loss of excitation protection ...

Страница 22: ...in any phase Ia 0 25A Ia 0 25A Ia 0 25A One phase or two phases line breakage negative sequence voltage 10V positive sequence Figure 5 6 Basic logic chart 2 of excitation loss protection Signalling tripping System low voltage t3 0 Metacentric stability impedance circle generator terminalPT breakage Rotator low voltage tn 0 t1 0 Signalling trippin Signalling tripp ing t2 0 Signalling trippi Static ...

Страница 23: ... lamp how many phases have breakage Protection uses the following algorithm It is known from protection block diagram that the following values effective values of Ufd P R X U and I need to be calculated so as to realize loss of excitation and voltage amplitude U protection algorithm of generator terminal is to calculate the above values according to sampling voltage and current to monitor the who...

Страница 24: ...tor low voltage 6 Reaction power Pf MW 7 Loss of excitation delay time t1 setting S 8 Loss of excitation delay time t2 setting S 2 Setting principles and setting proposals a Low voltage Uhl dz at system side Depending on after the generator field loss does not endanger the stability of the system to setting Usually he hl U U 9 0 85 0 he U The system bus voltage rating TV secondary value b Center o...

Страница 25: ... is positive indicates that impedance circle center is negative unit ohm 3 Radius of impedance circle Xr Impedance criterion radius unit ohm 4 Rotator low voltage Vfl dz Ration of rotator low voltage unit V 5 Scale coefficient Kzd of rotator low voltage Low voltage coefficient of rotator is used to set slope of operation curve of rotator voltage and active power unit no 6 Reactive power Pt Salient...

Страница 26: ... of zero load 5 Scale coefficient Kzd of rotator low voltage Sn Kk Vfde Kzd Vfde rotator voltage V of generator in case of full load Sn rated power MVA of generator Kk reliable coefficient generally 1 1 5 6 Reactive power Pt Salient pole effect is taken into consideration unit MW N q t S X X P 1 1 2 1 d of which S d d X X X Σ S q q X X X Σ Xd and Xq are respectively reactance per unit of d axis an...

Страница 27: ...t operation ration I2 dz Setting negative sequence current unit A 2 Operation time t1 Deferred operation time of setting protection unit s 3 Operation time t2 Deferred operation time of setting protection unit s 5 5 3 Setting calculation of protection 1 Negative sequence current operation ration I2 dz Please see Rules and Regulations 2 Operation time t1 and t2 Please see Rules and Regulations 5 5 ...

Страница 28: ...operation time of other protections 5 6 4 Sensitivity checking Please see Rules and Regulations 5 7 One point ground protection of overlying DC rotator of generator 5 7 1 Protection principle New type of overlying DC method is used and overlying source voltage is 50V and internal resistance is more than 50kΩ Microcomputer intelligent measurement is used to overcome the shortcoming of asymmetric po...

Страница 29: ... to signaling 5 8 Rotator two point ground protection of Harmonic wave negative sequence voltage type of generator 5 8 1 Protection principle Negative sequence component of secondary harmonic wave in stator voltage is reflected and it is resulting in stator winding from forward direction rotation of magnetic field with secondary harmonic wave at synchronous speed in case of short circuit of asymme...

Страница 30: ...eration delay setting range 0 1s 2s is set to increase reliability Please see Rules and Regulations 5 8 4 Descriptions To avoid protection maloperation in transient process of external short circuit fault special restraint criterion can be additionally added 5 9 Frequency protection of generator 5 9 1 Protection principle Low frequency or overfrequency of reaction generator provided with section I...

Страница 31: ...er will probably overheat to cause destroy of steamer due to blast loss Reverse power protection can have a good protection role Two sets of independent reverse power protections are equipped on large generating unit Reverse power protection reaction generator absorbs active power from the system and reverse power is blocked by TV breakage Voltage is from generator terminal TV and current is from ...

Страница 32: ...nd generator terminal voltage Short circuit current of self excitation generating unit rapidly attenuates and protection uses memory overcurrent to protect reliable operation 5 11 2 Setting contents 1 Current setting ID Ig dz Setting current unit A 2 Low voltage setting ID Ul dz Setting low voltage unit V 3 Negative sequence voltage setting ID U2 dz Setting negative sequence voltage unit V 4 Opera...

Страница 33: ...Please see Rules and Regulations 5 12 Non electric signal protection demagnetization tripping of generator hot working or water machine faults protection etc For non electric signal protection of the device direct tripping without through CPU and signaling through CPU at transient tripping t1 0 Signaling or tripping Figure 5 16 Non electrical quantity protection quantity ...

Страница 34: ...KRf Site setting 14 One point ground time delay setting Tyd S 15 2nd harmonic wave negative sequence voltage setting U2w V 16 Two point ground delay setting T S 17 Two point ground trip mode 3Uo V 18 Stator ground 3Uo setting T3Uo S 19 Stator ground 3Uo delay setting 20 Stator ground 3Uo trip mode 21 Start up RX current Iqd Iz A 22 Impedance circle center Xc Xc Ω 23 Impedance radius Xr Xr Ω 24 Rot...

Страница 35: ...l protection TA wire breakage nonlocking differential protection KG1 3 Ground protection of TV fuse breakage locking 3Uo stator Ground protection of TV fuse breakage nonlocking 3Uo stator KG1 4 Compound voltage criterion on Compound voltage criterion off KG1 5 Memory current input Non memory current value KG1 6 TV breakage blocking inverse power protection TV breakage non blocking inverse power pr...

Страница 36: ...Contact sales bueno electric com Fax 86 25 51816989 34 Part 2 Operation Manual ...

Страница 37: ...nel status bar command button list box listing choice box label control scroll bar and edit box etc 1 1 1 Menu Menu As shown in the above figure a typical menu used in BEPR 554 series digital protection includes title Main menu Setting Set Event Hardware test Sampling information Other Display print authenticate and delete setting Title Status bar Command button Normal display Main menu Setting Ev...

Страница 38: ...ion designated by command button Q key can be entered to exit the menu and return to the previous operation at any time during the above process 1 1 2 Dialog box Setting ID copying dialog box As shown in the above figure a typical dialog box used in BEPR 554 series digital protection includes title panel status bar label listing choice box edit box and command button etc Title panel indicates func...

Страница 39: ...alog box and then selects the required command buttonbutton and press key to confirm and execute the command The specific procedures are as follows Select listing button or modify edit box Select command button Press key to execute or enter the next operation designated by command button Press Q key to exit dialog box and return to the previous operation at any time during the above process 1 1 3 ...

Страница 40: ...g and can use key or key to modify edit after obtaining input focus displayed in inverse background and can use key or key to select the bit to be modified for multi bit numerical value or ASCII character string Edit box concurrently acts as command button in setting value dialog box Press to execute the command of the control corresponding to the edit box being displayed in inverse background aft...

Страница 41: ...d input dialog box used in BEPR 554 series digital protection includes title panel status bar label and edit box etc Title panel indicates functional type of the menu Status bar prompts the operation to be executed Label also static button is put in front of edit box or listing button to indicate the name of the edit box Edit box is generally numerical value or ASCII character string and can use k...

Страница 42: ... 18 18 Main menu 2005 11 18 11 18 18 Normnal display screen 1 Normnal display screen 2 The above figure shows two typical normal display screens used in BEPR 554 series digital protection and screen 1 shows effective value and angle of three phase voltage and three phase current and screen 2 shows state of protection strap enabled quit The device shows screen 1 and screen 2 by turns after the devi...

Страница 43: ...lete the first entries if 500 lines are exceeded The deleted events can still be copied unless event record zone is refreshed 1 2 Operating instruction of main functions BEPR 554 series protection operations can be dividied into the following types Setting including display print copy modify burn and delete of the setting item Event reporting including copy display and print of general report and ...

Страница 44: ...ap type etc 1 2 1 Main menu Main menu The above figure shows a typical main menu used in BEPR 554 series digital protection There are the following means to enter the main menu Press key in normal display screen to enter the main menu Press Q key in event display screen to enter the main menu Press Q in other operation screens and return to the main menu according to prompt A command indicates one...

Страница 45: ...tem saved by protection modules in LCD and specific operational procedures are as follows Enter the main menu Select setting command button in main menu and then press to enter setting operation dialog box Main menu Setting Set Event Hardware test Sampling information Other Display print set and delete setting Figure 2 2 Setting operation process Setting menu Display print Setting value input modi...

Страница 46: ...ice of single protection module does not need to be selected Setting display print dialog box select protection module Use or to transfer input focus to setting ID number edit box and use or to select setting ID number Setting Display and print Copy setting ID Setting value Delete setting Display and print Setting display print Protection module BEPR 554_CPU1 protection Setting ID number 01 Displa...

Страница 47: ...ss to display control word Setting display print Protection module BEPR 554_CPU1 protection Setting ID number 01 Display print Display setting Display setting Control word 0000 Differential current setting 200 0A Instantaneous current setting 200 0A Percentage brake coefficient 1 000 Knee current setting 200 0A display control word Setting control word CT rated current 5A PT rated current 57 7V In...

Страница 48: ...menu Select setting command button in the main menu and then press to enter setting operation dialog box Main menu Select display and print command button in setting operation dialog box and press to enter setting print display dialog box Setting operation dialog box Select protection modules in setting display print dialog box the device of single protection module does not need to be selected Se...

Страница 49: ...LECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 47 Display print operation dialog box select protection module Use or to transfer input focus to setting ID number edit box and use or to select setting ID number ...

Страница 50: ...e setting of a certain setting ID saved in protection module to another setting ID The input setting can be copied to another setting ID to be set before modification so as to conveniently input several sets of setting item suited to different modes of operation when the two sets of setting vary little Setting copy has the following operational steps Enter main menu Select setting command button i...

Страница 51: ...rotection module Setting ID copy operation dialog box select protection module Use or to transfer input focus to the copied setting ID edit box and use or to select the copied setting ID number sourcing setting ID The setting of sourcing setting ID must be valid and will not function if there is only one valid setting ID Setting Display and print Copy setting ID Setting value Delete setting Copyin...

Страница 52: ... select destination setting ID number Use or to transfer input focus to begin copying command button and select the command button Setting ID copy operation dialog box select start copy command button Press to copy setting and the device displays password input window Copy setting ID Protection module BEPR 554_CPU1 protection From setting ID 00 Copy to setting ID 00 Start copy select source settin...

Страница 53: ...ectric com BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 51 Password window Input password to copy setting Input password 00 shift input password confirm ...

Страница 54: ...ure At that time password can be reentered Setting ID copy operation dialog box reinput password 4 Setting value Setting value is to input setting and modify setting in BEPR 554 series digital protection BEPR 554 series digital protection provides a full screen edit dialog box and users can conveniently input setting and burn it to a certain setting ID of protection module by means of this dialog ...

Страница 55: ...er setting value dialog box in setting operation dialog box Setting operation dialog box Select protction module in setting value dialog box protection module needs not to be selected for the device of single protection module Setting Display and print Copy setting ID Setting value Delete setting Main menu Setting Set Event Hardware test Sampling information Other Display print set and delete sett...

Страница 56: ...on of multi bit numerical value Setting operation dialog box select setting ID number Use or to transfer input focus to start setting command button and select the command button or skip this step to setting value dialog box Setting ID copy operation dialog box select start setting command button Press to enter setting input dialog box Setting value Protection module BEPR 554_CPU1 protection Setti...

Страница 57: ... word in control wordsetting dialog box Press to confirm control word input and return to setting ID input dialog box after selecting all lists group and move cursor to the next non control word setting Q for quitting modification to control word Control word and other setting items need to be burned before being written into protection module Only contents of input buffer zone are modified here S...

Страница 58: ...then use Q to return to the main menu step by step Please pay attention to the following points during the above procedures If the input setting exceeds the range limited by the setting status bar will prompt setting cross limit and the numerical area of the setting when using or to modify other setting item or press to burn setting At that time users must reenter the setting according to the spec...

Страница 59: ...e operation of deleting setting to delete unnecessary integral setting of setting ID As BEPR 554 series setting ID switching operation can only switch to valid setting ID deleting unnecessary setting of setting ID can prevent switching operation from being switched by accident to unexpected operating setting ID The operational steps of deleting setting of setting ID are as follows Enter main menu ...

Страница 60: ...ting ID edit box and use or to select the No of setting ID to be input or modified Deletion can not be executed if setting ID has no setting and so setting ID number may not be continuously changed Setting deletion operation dialog box select setting ID number Setting Display and print Copy setting ID Setting value Delete setting Delete setting in setting ID Copy setting ID Protection module BEPR ...

Страница 61: ...ng figure Setting deletion dialog box password window Enter correct password and then press to delete Use or to shift edit and modifier bit of multi bit numerical value and use or to change the number at digit bit of the current password in entering password A message window will prompt setting deletion is successful upon setting deletion as shown in the follow figure Copy setting ID Protection mo...

Страница 62: ...y step and quit deletion operation Likewise stopping keyboard operation for 5 minutes to automatically quit modifications to the setting and return to normal display screen before entering correct password and pressing and press Q 6 Switching setting ID The panel of BEPR 554 series digital protection is equipped with two setting switching keys which are used to switch the current operating setting...

Страница 63: ...is successful upon switching Setting ID switching dialog box message window Press any key to return to the state before switching Please pay attention to the following points during the above procedures Multiple protection modules if any of the device will simultaneously switch setting ID The following window will prompt password wrong in LCD and password needs to be reentered before burning comma...

Страница 64: ...udes event report generated by protection start up in case of failure of the system operation report in the device operation and event report in abnormal conditions of the device etc The single report is kept in event report of protection module The operation of event report is to operate the two types of reports including copy display or print etc 1 General report operation BEPR 554 series digita...

Страница 65: ...ng entry in event display dialog box and the time in title panel is reference time of the relative time Event report dialog box display event record Press to print otherwise press Q to return to event display select dialog box Press to print event and inquire whether wave recording dialog box is printed or not in case of fault event Press to print wave recording graph if selecting yes and wave rec...

Страница 66: ...dialog box which can copy display or print event report recording saved in protection module The specific operation procedures are as follows Select event command button in the main menu Main menu Press to enter event report dialog box and select single report command button Event report dialog box select single report command button Press to enter protection module selection dialog box and use or...

Страница 67: ... the relative time Event report dialog box display event record Press to print otherwise press Q to return to event display select dialog box Press to print event and inquire whether wave recording dialog box is printed or not in case of fault event Press to print wave recording graph if selecting yes Use Q to return to the main menu step by step It is noted that the printer must be in on line sta...

Страница 68: ... manner and its operational steps are as follows Select sampling information command button after entering the main menu Main menu Press to enter sampling information operation dialog box and use or to select protection module Sampling information dialog box select protection module No will prompt for the device of single protection module and and will not function Use or to select display effecti...

Страница 69: ...nt sampling value BEPR 554 series digital protection can print waveforms of two cycles The operational steps are as follows Enter the main menu and select sampling information command button Main menu Press to enter sampling information operation dialog box Use or to select protection modules Name Amplitude Phase DC offset IAT 0 001A 174 5 0 059 IBT 0 002A 15 03 0 033 ICT 0 003A 35 85 0 007 IAN 0 ...

Страница 70: ... to enable users to set communication interface and clock of the device or select some operating parameters of human machine module 1 Communication setting The back panel of BEPR 554 series digital protection has one printer communication port and one multifunctional communication port Printer port uses 19200 baud rate fixed setting Users can set the communication mode baud rate and communication ...

Страница 71: ...on setting command button Press to enter communication setting dialog box Use or to select communication mode Communication setting dialog box select communication mode Use or to select baud rate list and use or to select baud rate Monitoring and control setting Communication setting MMI setting Time setting LCD adjusting Communication setting Communication mode 422 mode Baud rate 1200BPS Device a...

Страница 72: ...e automatically once and initialize communication port according new communication setting Press Q or use or to select no command button and then press to quit modifications and then press Q to return to the main menu step by step 2 Clock setting The human machine module of BEPR 554 series digital protection is equipped with hardware calendar clock which is used to provide reference time for all p...

Страница 73: ...n Main menu Press to enter monitoring and control setting dialog box and use or to select time setting command button Monitoring and control setting dialog box select time setting command button Press to enter clock and date setting dialog box Use or to select year month date hour minute second edit box and use or to set new value Monitoring and control setting Communication setting MMI setting Ti...

Страница 74: ...elect sourcing of AC analog measured value in normal display screen for the device with multiple protection modules Select whether event is printed or not Select whether wave recording data is printed or not Select sourcing of wave recording data in fault report for the device with multiple protection modules Name or code of the protected equipment etc The operational steps of setting or modifying...

Страница 75: ...ENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 73 Monitoring and control setting dialog box select MMI setting command button Press to enter MMI setting dialog box Use or to select measured value sourcing of normal display screen ...

Страница 76: ...ing dialog box select report printing mode Use or to select device name edit box Use or to edit device name and use or to move edit position MMI setting Measurement protection BEPR 554_CPU1 protection Wave recording protection BEPR 554_CPU1 protection Print mode print event and wave recording Device name select protection module to display measurement value MMI setting Measurement protection BEPR ...

Страница 77: ...Q to return to the main menu step by step Please pay attention to the following points Device name can be 8 Chinese characters or 16 English numeric characters at its maximum and code and bit number of Chinese ISN must be separately edited The procedures of inputting device name are as follows assuming that original device name is void and needs to be modified as A character Input ID code CO as sh...

Страница 78: ... bit code Press to edit low bit of bit code and enable bit code CF as shown in the following figure MMI setting Measurement protection BEPR 554_CPU1 protection Wave recording protection BEPR 554_CPU1 protection Printing mode print event and wave recording Equipment name D Chinese ISN input C4 MMI setting Measurement protection BEPR 554_CPU1 protection Wave recording protection BEPR 554_CPU1 protec...

Страница 79: ...ay analog of AC input channel in real time manner by means of these dialog boxes As the input or output operation of the device is generally used to test whether the device hardware is in good condition or not it is called hardware test operation 1 Digital output drive Each protection module of BEPR 554 series digital protection is equipped with several switching output signals which are used to d...

Страница 80: ...alog box of hardware test enter password Edit password input box and enter correct password and use or to select editing bit and use or to edit the bit number Dialog box of hardware test enter password Press to enter digital output drive dialog box and use or to select protection module Hardware test Set digital output manually Digital input test AC test Set digital output manually Password window...

Страница 81: ...tal output command button to operate the switch otherwise select digital output return command button Digital output drive dialog box select digital output command button Set digital output manually and exit operation Protection module BEPR 554_CPU1protection Type start Set digital output manually and exit operation digital output returns select protection module Set digital output manually and ex...

Страница 82: ...minal template Users can enable the device to display the state of digital input closing or tripping of the protection module through menu dialog box operation in a real time manner The operation steps of displaying state of digital input in a real time manner are as follows Confirm protection module to be operated to be in normal running state no alarm signal Enter the main menu and then select h...

Страница 83: ... Dialog box of hardware test enter password Press to enter digital input operation dialog box and use or to select protection modules Press to enter real time display dialog box of digital input Password window Enter digital output drive and exit operation Input password 00 Position input password confirm Password window Enter digital output drive and exit operation Input password 90 Position inpu...

Страница 84: ...be in normal running state no alarm signal Enter the main menu and select hardware test command button Main menu Press to enter hardware test operation dialog box and select AC test command button Switching value state Differential protection plate Off Overvoltage protection plate Off Transverse differential protection plate Off One point grounding of rotator Off Two point grounding of rotator Off...

Страница 85: ...ardware test enter password Press to enter AC operation dialog box and use or to select protection module Press to enter AC real time display dialog box Password window Enter digital output drive and exit operation Input password 90 Position input password confirm Password window Enter digital output drive and exit operation Input password 90 Position input password confirm AC quantity state Prote...

Страница 86: ...rs can view all protection modules of the current device version number of human machine module and CRC check code etc The operational steps are as follows Enter the main menu and select other command button Main menu Press to enter other operations dialog box and select version information command button Dialog box of other operations select version information command button Press to display pro...

Страница 87: ...ecific operational steps are as follows Enter the main menu and select other command button Main menu Press to enter other operations dialog box and select initialize command button Dialog box of other operations select initialization command button Module name version CRC code Human machine dialog module 3 02 354E BEPR 554_CPU1 2 00 93D1 BEPR 554_CPU2 2 00 B445 Main menu Setting set Event Hardwar...

Страница 88: ...ese of operating interface for BEPR 554 series digital protection Factory setting is in Chinese mode in case of no special requirement and users generally do not need to modify the setting If the setting needs to be modified please follow the following steps Enter the main menu and then select other command button Main menu Press to enter other operations dialog box and select language selection c...

Страница 89: ...generally completed before the device leaves the factory and so users are recommended not to use the function Device type is specific model of the device in BEPR 554 series such as BEPR 552 and BEPR 410 etc Soft strap is burned in protection module and strap state can be modified through remote control command to enable or exit and soft strap is used together with integrated automation Hard strap ...

Страница 90: ...Https www bueno electric com BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 88 Stop print window of current wave recording ...

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