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BUENO ELECTRIC

BUENO ELECTRIC

BUENO ELECTRIC

BUENO ELECTRIC

Contact: [email protected]

Fax: +86-25-51816989

22

5.2 Soft pressure plates and specification of BEPR- 822U Series Digital Asynchronous Motor Protection

Soft pressure plates and specification of BEPR- 822U Digital Motor Comprehensive Protection

Specifications: the protection function could be operated or exited with soft jumper, and be realized under the

menu of “

system configuration/jumper configuration

”.

Please refer to

Operation Manual of BEPR- 822U Digital Asynchronous Motor Protection

, for more details.

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Содержание KD-SV3204UI

Страница 1: ...Https www bueno electric com BUENO ELECTRIC BEPR 822U Digital Asynchronous Motor Protection Device Technical Manual ...

Страница 2: ...elay inherent time 4 2 3 Insulation capability 4 2 3 1 Insulation resistance 4 2 3 2 Medium intensity 4 2 3 3 Impulse voltage 4 2 3 4 Humidity and heat resistant performance 4 2 4 Anti electromagnetic interference capability 4 2 4 1 Pulse interference 4 2 4 2 Fast Transient interference 5 2 4 3 Static discharge 5 2 4 4 Radiated electromagnetic Field interference 5 2 4 5 Surge 5 2 5 Mechanical perf...

Страница 3: ...rement function 17 5 Settings and Setting Specifications 18 5 1 Setting value list and specifications of BEPR 822U Digital Asynchronous Motor Protection18 5 2 Soft pressure plates and specification of BEPR 822U Series Digital Asynchronous Motor Protection 22 Part 2 23 1 Introduction 24 1 1 Keyboard 24 2 Menu operation 25 2 1 Functions 25 2 1 1 Sampling 25 2 1 2 Event 25 2 1 3 Rated value 25 2 1 4 ...

Страница 4: ...2 2 5 1 Setting display 29 ...

Страница 5: ...ransmission 35 2 2 7 4 2 Alarm upstream transmission 36 2 2 7 4 3 Telesignalling upstream transmission 36 2 2 7 4 4 Telemetering upstream transmission 37 2 2 7 4 5 Code list printing 38 2 2 8 Others 38 2 2 8 1 Version information 38 2 2 8 2 Logic information 38 2 2 8 3 Identification 38 2 2 9 Operation setup 39 2 2 9 1 Pressure plate setup 39 2 2 9 2 Setting switchover 40 2 2 9 3 Setting alteratio...

Страница 6: ...Https www bueno electric com BUENO ELECTRIC Part 1 Technical Manual ...

Страница 7: ...terface The precision of the selected measuring modules including KWH metering can reach to the class 0 5 To provide access to the accumulated pulse degree side High speed Ethernet interface is provided to integrated the IEC 870 5 103 standard communication protocol High precision clock chips are used The GPS time checking circuit is provided to realize the clock synchronism of the whole system Hi...

Страница 8: ...tion Telemeter Measurement TA alternative use Protection TA alternative use Telesignal alternative use Telecontrol alternative use KWh Pulse metering GPS Time synchronization False blocking prevention Remote management 3 Monitoring Telemeter Ia Ib Ic Ua Ub Uc P Q f and other analog telemetry Telecontrol Division and the normal remote control circuit breaker Telesignal 16way telesignalling open int...

Страница 9: ...phase 2 1 4 Status vector level The input status vector level of CPU and communication interface module 24V 18 V 30V CPU output status vector photo coupling output Permitted level 24V 18 V 30V Driving capability 150mA 2 2 Main technical performance 2 2 1 Sampling circuit precise working range 5 error Voltage 0 4 V 120 0V Current 0 20A 100 0A When rated current is 5A Zero sequence current 0 02A 5 5...

Страница 10: ... During the test when any testing circuit is energized all the other circuits are potential interconnected and grounded equipotentially 2 3 3 Impulse voltage Under normal experiment atmospheric condition the power input circuit AC input circuit output contact circuit to ground and all the circuits are able to endure short time standard lightning impulse voltage test of 1 2 50μs with open circuit t...

Страница 11: ...device can endure the interference test common mode 2000V differential mode 1000V the surge impact interference resistance capability test of class III stipulated in GB T 17626 5 1999 standard 2 5 Mechanical performance 2 5 1Vibration This device can endure the vibration response test of severity class I stipulated in 3 2 1 of GB T 11287 2000 This device can endure the first level grimness vibrati...

Страница 12: ...ting keyboard etc This cubicle adopts entirely enclosed design of waterproof dustproof and anti vibration to ensure its high reliability when installing in severe field environment 3 2 AC module The AC module includes two parts of voltage input and current input and there are different numbers for voltage and current input components of different types Voltage input component is constituted by vol...

Страница 13: ...nd could record large amount of fault data The protection program complied in C language would make the program have strong reliability excellent transplantability and maintainability 2 Data acquisition system The data acquisition system of protection system is composed of 14 bit precision A D converter with high reliability multiplexers switch and filter circuit Inside A D conversion chip with th...

Страница 14: ...filter circuit DC 220V or 110V voltage would output necessary four groups of DC voltage 5V 12V 24V 1 and 24V 2 utilizing inversion principle The four groups of voltage are not common grounded and apply floating mode and they are unconnected with the rack a 5V 12V are the power supply for CPU b 24V 1 is the power supply for driving relays c 24V 2 is the power supply for exterior inputs To strengthe...

Страница 15: ... computed in real time which would greatly improve the overall reliability of protection 4 1 Startup time Mode of measuring motor startup time the timing would begin when motor maximum phase current changes suddenly from zero to 10 Ie until startup current passing peak value and descending to 120 Ie Ie is motor rated current same below The time period between the two points is called motor startup...

Страница 16: ...hat is Ieq is equivalent current I1 is positive sequence current I2 is negative sequence current K1 is heat coefficient of positive sequence current and during motor startup K1 0 5 after startup completion it is recovered to be K1 1 K2 is heat coefficient of negative sequence current K2 3 10 K2 6 could be taken According to motor heat model the characteristic curve between motor operation time t a...

Страница 17: ...ability of motor makes dissipation time constant longer than heat time constant τ dissipation time constant would automatically increase to be certain times of heat time constant τ in order to correctly reflect heat effect The times of dissipation time could be selected form 1 to 5 and the default tacitly approved value is 4 times according to real environment condition According to the principle ...

Страница 18: ...le setting time is 0 3 seconds 4 4 Over current protection Over current protection would automatically exit when motor starts and would automatically operate when the startup finishes When the current is larger than setting current and reaches setting time over current protection would output The over current protection function would be controlled through control character KG1 2 to select definit...

Страница 19: ...ce current 2 and zero sequence time 2 When input zero sequence current is larger than setting zero sequence current 2 and reaches setting time of zero sequence time 2 output trip would operate 4 6 Negative sequence current element Negative sequence current protection is mainly directed at various ungrounded asymmetric fault For instance when motor certain phase is broken the magnitude of negative ...

Страница 20: ...ent with range of 0 05 1 Ip is current setting I is fault current t is tripping time Notice inverse time limit time is the product of numerator 80tp in above expression with unit of second and the setting range is 0 4s 80 0s 4 8 Overload protection Overload protection could reflect the amount of motor stator current and control character KG1 5 could be used to select alarm or trip When current is ...

Страница 21: ...ection should be blocked and fuse should be used to protect short circuit fault After startup KG2 9 1 of this function the instantaneous protection and zero sequence over current protection operation would be blocked It is recommended that when fuse contactor F C control is applied the operation timeout of high setting protection should be added as much as possible to ensure firstly reserved fuse ...

Страница 22: ...be selected through control character KG1 14 Zero sequence voltage is connected with AC input terminal 1X 5 1X 6 4 16 Non electric quantity protection This protection function must cooperate with exterior light control relay The non electric quantity contacts from motor are converted to be 24V through light control relay and then switching terminals of input signal to device are 4X 1 4X 3 After re...

Страница 23: ...asuring self voltage reference insert the three linking pieces of sub board JP1 to far away from ON side 2 External AC terminal connection current series connected voltage connected symmetrically symmetric switch on 3 Offset check No AC variables are added for external AC terminal Enter offset check under the menu System Configuration Energy Measuring Configuration in about ten seconds under Sampl...

Страница 24: ... reactive power phase A and phase C protection current must be connected simultaneously 5 Settings and Setting Specifications 5 1 Setting value list and specifications of BEPR 822U Digital Asynchronous Motor Protection Setting value list of BEPR 822U Digital Motor Comprehensive Protection Ser No Setting name Range Unit Remarks 1 Control character 1 0000 FFFF No Refer to definition of control chara...

Страница 25: ...0 heating time constant τ 6 0 3000 s τ 21 Negative sequence current thermal effect coefficient 3 10 Usually 6 is taken 22 Overheat alarm coefficient 0 3 1 0 Usually 80 is taken 23 Multiples of dissipation time 0 1 5 0 Usually 4 0 is taken 24 Low voltage settings 0 0 120 0 V 25 Low voltage operation time 0 0 100 0 s 26 Over load current 0 2 100 0 A 27 Warning over load time 0 1 3000 s 28 The trippi...

Страница 26: ...itions of BEPR 822U Digital Motor Comprehensive Control character 1 KG1 definitions of BEPR 822U Digital Motor Comprehensive Protection Bit Meanings for 1 Meanings for 0 15 TA rated current is 1A TA rated current is 5A 14 Zero sequence over voltage trip Zero sequence over voltage alarm 13 Over voltage trip Over voltage alarm 12 Control back to break the discriminant investment Control back to brea...

Страница 27: ...mit mode Over current selects definite time limit mode 1 Overheat blocking operates Overheat blocking exits 0 Overheat alarm operates Overheat alarm exits Bit Meanings for 1 Meanings for 0 15 Motor startup discrimination exits Motor startup discrimination operates 14 13 Standby Standby 12 Measuring CT Three phase Measuring CT Two phase 11 External thermal return operates External thermal return ex...

Страница 28: ...2U Series Digital Asynchronous Motor Protection Soft pressure plates and specification of BEPR 822U Digital Motor Comprehensive Protection Specifications the protection function could be operated or exited with soft jumper and be realized under the menu of system configuration jumper configuration Please refer to Operation Manual of BEPR 822U Digital Asynchronous Motor Protection for more details ...

Страница 29: ...Https www bueno electric com BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC BUENO ELECTRIC Contact sales bueno electric com Fax 86 25 51816989 23 Part 2 Operation Manual ...

Страница 30: ...tric com Fax 86 25 51816989 24 1 Introduction 1 1 Keyboard Schematic Diagram for the keyboard of the BEPR 800 Series Protection Setting ID change increase Setting ID change decrease Modifier increase Modifier decrease Arrow key left Arrow key up Q for abundant ENT for acknowledgement Arrow key right Arrow key down ...

Страница 31: ...alue display shows the rated values in all the setting zones Rated value switching switch from one setting zone to another one Rated value amendment amend the rated values in the selected setting zone Rated value printing print the rated value list for the selected setting zone 2 1 4 System setup Pressure plate setup in service and out of service of the functional soft pressure plates Time adjustm...

Страница 32: ...telesignalling position varying information one by one Telemeter upstream transmission transmit the telemetering variables one by one the fixed quantity for transmission is the half of the full scaled value Code list printing print all the internal communication code lists including protection SOE list alarm information list soft pressure plate formation list telesignaling list telemetering list t...

Страница 33: ...ys to select menu and press key to select the sub menu press Q to return to previous display 2 2 3 Sampling 2 2 3 1 RMS After entering this menu MMI will renew RMS values and phase angles of all the analog channels every 3 seconds RMS Ia 0 013 A 153 7º Ib 0 010 A 164 5º Ic 0 014 A 168 6º Press or ˇ key to turn the lines and press or key to turn pages 2 2 3 2 Measured value After entering this menu...

Страница 34: ... In case there are events reports in the system a browsing window for fault report will be display Press or key to search the previous one or the next one press or key to look for a previous record or next one 03 2000 02 18 10 30 00 000 0 ms protection start 20ms overcurrent relay zone I operation 2059ms reclosing operation Form at for report display This time press key asking if the fault report ...

Страница 35: ... 5 1 Setting display After entering the menu MMI begins to indicate which setting zone you want to select Press or key to select zone number Press key to perform the setting display Setting display Select setting zone 00 current operating zone 01 Setting zone selection Setting display 0 Control character I 0000 Control character II 0000 Current zone I 100 0A Setting display Note The system default...

Страница 36: ...r are displayed In the sub menu the effective bit of the control character can be easily put in service or out of service Control character 0000 Analog variable summation self check withdrawal TA rated current 5A CB stealing tripping and reclosing After alteration press key to confirm In case of giving up the alteration press Q key The system will give up the alteration and return to the previous ...

Страница 37: ... repeated here Several setting zone are provided for storage Before operating a setting switchover care must be taken that the zone you want to switch over must have its settings otherwise you cannot make any switch By using the command setting alteration you can write several sets of setting into the zone and then make switchover 2 2 5 4 Setting printing In the setting print menu MMI will first a...

Страница 38: ...lt of the pressure plate setup will be seen Pressure plate setup Secret code error Re input secret code 00 Pressure plate setup Pressure plate setup is successful In any case when Q key is pressed display will go back to the previous menu 2 2 6 2 Time adjustment Select the time adjustment use or key to turn the lines or key to switch for the in service or out of service of the function Time setup ...

Страница 39: ...esults 2 2 6 3 3 Energy measuring setup Select the menu save setup enter the secret codes and finish the zero clearance 2 2 6 3 4 Energy zero clearance Select the menu energy zero clearance enter the secret codes and finish zero clearance 2 2 7 System test A set of the interaction block is provided in the BEPR 800 Series Digital Protection By operating this set of the interaction block Users can p...

Страница 40: ...he secret codes Press key to enter In case the secret codes are in error a news block indicating the error secret codes can be seen Switch out dive Secret codes are in error Re enter it 00 When the correct secret codes are entered the system indicates that the menu switch out drive has been entered Switch out drive Name start Mode operation Use or key to select the different input items use or key...

Страница 41: ...entered The MMI renews the channel RMS values and phase angles every 3 seconds AC test Ia 0 013 A 153 7º Ib 0 010 A 164 5º Ic 0 014 A 168 6º Use or key to turn the lines or key to turn the pages 2 2 7 4 Integrated automation function Integrated automation function Protection upstream transmission Telemetering upstream transmission Alarm upstream transmission Code list printing Telesignalling upstr...

Страница 42: ... 2 Alarm upstream transmission After entering the Alarm upstream transmission enter secret coded a picture is shown Alarm upstream transmission Name energization Press ENTER to transmit press Q to withdraw Wait for transmission Press key the alarm information of energization will be transmitted to the monitoring and telecontrol background Alarm upstream transmission Name energization Press ENTER t...

Страница 43: ...irst time has been transmitted go on please Use or key to switch over on to different entities press ENTER to send the corresponding information Press Q to exit from the telesignalling upstream transmission and return to menu Integrated automation 2 2 7 4 4 Telemetering upstream transmission After entering the telemetering upstream transmission enter secret codes a picture is shown Telemetering up...

Страница 44: ...on block is provided in the BEPR 800 Digital Protection including the version information logic information IP address setup etc 2 2 8 1 Version information Version information Name BEPR 811 Line Protection Edition V 1 03A CRC0 37F8 CRC1 37F8 2 2 8 2 Logic information Logic information Type Line Protection Serial no T641 V1 40S005 CRC code 4FFE 2 2 8 3 Identification Select the sub menu identifica...

Страница 45: ...odes can be entered if it is correctly entered system will indicate that the address is correctly setup and exit from the submenu 2 2 9 Operation setup Under the normal operating conditions as the mode switch on the panel is put at the operation setup the system automatically enters the menu operation setup Operation setup Pressure plate setup Setting alteration Setting switchover Time adjustment ...

Страница 46: ...hover Select setting zone 00 Current operating zone 01 Use or key to select the setting zone you want to switchover also it can be done by the setting switchover keys If you want to give up the switchover just press Q key Press key to start the switchover The system asks you enter the secret codes The process is the same as the pressure plate switchover and will not be repeated Several setting zon...

Страница 47: ... character can be easily put in service or out of service But the combined control bit must be entered through the manual calculation Control character Current zone I without direction Current zone II without direction Current zone III without direction After alteration press key to confirm In case of giving up the alteration press Q key The system will return to the main menu After all the altera...

Страница 48: ...mperature property so the precision of the protection can be ensured by the delivery test The test emphasis can be thus placed on the parts of the status variable inputs opto coupler AC inputs tripping and closing output circuits and signal circuits relay contacts Although the following debugging procedures are directed at the protection as whole the debugging operations had better to be made on t...

Страница 49: ...hannels are correct 3 5Contact output check The contact output check including the signal contact output check can be done in combination with the setting check The contact output for each channel is once checked in the other tests only the signal indications and LCD display are required to be observed The contact output check can also be done via the menu Switch out drive of the protection The fu...

Страница 50: ...Calibration of the cleck Check whether the clock is accurate in time If it is not accurate the calibration can be made The operating methods are shown in the Operating Guidelines It is convinced from the above chocks that the protection and panels as well as cabinets are correctly connected and they can function normally and can be put in operation ...

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