USER MANUAL - seb barlassina
Contents
1. Ss uu uu Did ANIL Lod AK uu pp 2999 2999 L 2999 2999 L 2999 2999 L 2999 2999 1 2999 Did ALVO Oud LOL gt gt gt gt gt 20H gt T gt 20 20 024 GLU 8 4 LV 9 vH ela cla LLY 2999 L 4 2999 L d 2999 L d 4 4 4 d TO TO 24 24 25 25 TS TS SUYALNNOD Old 6 8H ZH 9 SU vy ey 83 AA AA DIQ AA 2914 AA 22222 eur TH eyed TH TH Ta TH u Ta 910 SLO vio gio co LLO ZZZ Z 22224 un 22722 UI 22722 29999999 S MM MM ap CE OES 01 65 uv d n Ta I Ta DIO 39L L Ta AV IWH TH zed eeg zed eeg Ta SINHA olo 60 80 10 90 90 vo co LO 0 920020 ZZZ Z ZZZ Z A S LVLS 21 181544 uv 0 uv d XX X N XX XX I SHUASVAN Sd vd d cDIG SOLVIS MM DIG MM DIG IVLISIG ZN LN ZI 50115 u SAVIHI CIN LIN 513235 513235 513235 513235 513235 513235 513232. cese 19 5 6 1 Loss of excitation under excitation thresholdS 19 5 6 2 Reverse power antimotoring thresholds 5 32 20 5 6 3 Undervoltage threshold nus cee heehee Rene Renee 22 5 6 4 Rotor earth fault thresholds ANSI 64R 23 5 6 5 Rotor earth fault threshold R lt lt ANSI 64 24 57 Output relays programming fig 25 5 8 Digital inputs function programming fig 3 26 5 9 Parameter values visualization fig 4 28 Events ge uc eir cnet a aetate Eust es 29 5 11 Trip counters p 32 D INSTALLATION Soccer stn tat enren a ate A aio ra le n 33 Del 23 tet ect ooo tol Get ete Le t EE 33 o Oise mc CEDE 34 63 Relays R3 and R4 Signaling Command 37 6 4 5485 serial communication DONG cxlo leoni 37 7 TECHNICAL CHARACTERISTICS ela eden cud rar sage o lalla 38 8 ROTOR VOLTAGE INJECTION UNIT i 40 81 module Technical 40 TABLES en MEN LEE E ale ha ME MM 41 Information printed in this manual subject to change without prior notice This manual must not be re
3. 4 PROTOCOL BAUDRATE NR RELAY SER NR VERS SW dd mm yy mod nn nnnn XXX ZZZZZZZZ 22 22 hh mm ss B8 VOLTAGE U Y U D 0 SET UP NOMINAL Nominal data VALUES FIG 3 THRESHOL THRESHOLD set up SET UP FIG 3 RELAYS OUTPUT RELAYS set up FUNCTION FIG 3 DIGITAL DIGITAL INPUTS set up INPUTS FIG 3 J1 CONFIRM PROG MEASURES SIGNAL Display of SIGNAL and OUTPUT RELAYS status amp EVENTS STATUS FIG 4 EVENTS Display of EVENTS data FIG 4 COUNTERS Display of COUNTERS data FIG 4 Figure 2 13 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING From fig 2 1 2 C3 C4 C5 C6 SET UP NOMINAL In kA In prim Un Un prim DISPLAY CONTRAST VALUES ccccc A uuu uu V yyyyyy V eeeeeeee LEV n 20 D3D D4D D5D D6D THRESHOL ANSI 40 S1 S1 An TI INDIP TA S1 TA S1 SET UP ccc S Kl n nn Qol y yy ZZ ZZ 5
4. paragraph 5 8 D6D DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA 51 eeeeeeee It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold S1 DIG1 digital input DIG1 activates the TA delay on threshold S1 DIG2 digital input DIG2 activates the TA delay on threshold S1 DIG3 digital input DIG3 activates the TA delay on threshold S1 More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref G1 G2 G3 paragraph 5 8 5 6 2 Reverse power antimotoring thresholds ANSI 32 The information and set ups related to threshold P1 in the following points are effective for the thresholds P2 Q1 and Q2 just taking into consideration the change of the threshold identification 20 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING D1P ON OFF THRESHOLD programmable ANSI 32 cece PI P1 threshold identification P1 P2 Q1 Q2 ccc ON enabled threshold OFF disabled threshold available but not active D2P THRESHOLD LEVEL SET UP programmable Pl lt gt An tx XXX X XXX threshold level expressed in SINGLE PHASE apparent power An An
5. Sed DIVISIONE ELETTRONICA E SISTEMI PQR4N DIGITAL MULTIFUNCTION GENERATOR PROTECTION RELAY FOR LOSS OF EXCITATION ANTIMOTORING AND ROTOR EARTH FAULT USER MANUAL P500D816 June 2005 SEB Divisione Elettronica e Sistemi INDEX INDEX 1 GENERAL GCHAFRAGCTERISTIGQS 1 1 1 Under excitation loss of excitation ANSI 40 3 1 2 Antimotoring reverse power ANSI 32 5 T1 9 Rotor earth fault ANSI BAT oe eet eg 6 1 4 Undervoltage threshold ANSI 27 6 2 222 nae oe IRE DIE oe Get eae e DeL EIS A 7 3 FRONT PANEL LED SIGNALLINQS treat reto tette tette citt rien 8 4 PROGRAMMING AND TEST dtt dao ctetu ecu a arde dauid 9 4 1 Howto program the protection relay HH 9 4 2 How to modify a visualized 10 di donnine ditor iut tet 10 44 rest orQuipul lelayS trn oed osos ot ote od ote bot 11 5 IBESPLAY AND BROGISAMMIBNG iret eit eei Hae eene ar Eo ales EE 12 5 1 Standard display 1922 nene E A eso 12 5 2 Visualization structure sicilia tica 13 5 3 Address ume Ig 2 RO 16 54 Insertion Selection 9 2 lobo la bo labonase 17 5 5 Nominal values Setup lle 17 5 6 Threshold and time delays set up fig 3
6. flush mounting installation e protection relay module PQRAN with rear socket e transparent front panel for rack flush mounting installation e n 2 brackets for flush mounting e blister with items 1 2 3 4 5 e blister with item 6 Sacchetto BLISTER 1 n 8 screws to fix wire terminals of current circuits 2 n 4 screws to fix the relay rear socket on the 19 rack or on the two brackets for flush mounting and n 2 screws to fix optionally the protection relay on the front of the 19 rack 3 n 2 knobs to fix the transparent front panel 4 n 8 washers to be used to fix wire current terminals 5 n 8 growers to be used to fix wire current terminals 6 small items to fix brackets on the cabinet only CS version The knobs to fix the transparent front panel must be screwed through the front panel itself the operation will create a screw thread in the plastic material to prevent knob missing 33 SEB Divisione Elettronica e Sistemi INSTALLATION NOTE The items related to current inputs are the standard supplied items with all SIGMA N protection relays but for the PQR4N model they are partially used 6 2 Cabling Voltage circuits It is suggested to terminate the voltage wirings using plug termina
7. 8 events are recorded and identified with a progressive number from 1 to 8 the more recent event shows a lower number Q1 EVENT NUMBER El cccccccc The index E1 E2 E8 identifies the memorized event The parameter cccccccc gives information on the kind of event and it can show one of the following values NONE no event memorized 51 event on trip threshold 51 52 event on trip threshold 52 P1 event on trip threshold P1 P2 event on trip threshold P2 Q1 event on trip threshold Q1 Q2 event on trip threshold Q2 R1 event on trip threshold R1 R2 event on trip threshold R2 R event on trip threshold R STATUS information recorded on external command POWER ON switch on of the protection relay auxiliary power For the events NONE and POWER ON no other information is presented for the other events the following displays give more detailed information on the event Q2 Q3 DISPLAY OF THE PARAMETERS RELATED TO THE TRIP THRESHOLD Trip thresholds S1 or S2 ANSI 40 Q2 Q3 El S El 51 K1 1 30 Qol 0 85 29 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING See ref D2D and D3D paragraph 5 6 1 Trip thresholds P1 P2 Q1 0 Q2 ANSI 32 Q2 only ED 2 vio AIN See ref D2P paragraph 5 6 2 Trip thresholds R1 lt or R2 lt ANSI 64R Q2 only Q2 El R2 lt 03000 See ref D2R paragraph 5 6 4 Trip thresholds R lt lt ANSI 64R Q2 only
8. For each digital input can be programmed the condition that activates the related functions HI voltage gt 20 V dc ac LO voltage 0 10 V dc ac The digital input acquisition is valid when the voltage value stays in the range HI or LO for at least 40 ms DISPLAY OF MEASURES the user can select the continuous display of a measured parameter such as e measured line current e measured line voltage e single phase active power e single phase reactive power e rotor insulation resistance EVENTS information related to the last 8 events TRIP or STATUS are recorded in the EEPROM memory Information includes the threshold set up and activated relays TRIP event only the measured parameters the digital input status date and time of the event SELF DIAGNOSIS the software includes a non stop monitoring module that controls the functionality of all hardware and software resources of the protection relay Detected fault conditions are reported by e diagnostic message on the display e glow of ared LED on front panel e R5 output relay drop off SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS The fault condition signaling stays until faults are pointed out by the monitoring module during this condition the protection functions are suspended to avoid unsuitable tripping STATUS FUNCTION when the STATUS function is activated by one of the digital input when programmed the protection relay memorizes inf
9. Thermal withstand continuously Thermal withstand for 1 5 Rated voltage Un programmable Thermal withstand continuously Thermal withstand for 1 s Rated frequency Primary CT s current Primary VT s voltage Output contacts ratings Number of relays note 1 Rated current Rated voltage Contact configuration Breaking capability note 2 tripping relays R1 R2 signaling relays R3 R4 R5 note 3 Mechanical life Digital inputs Number of inputs External control voltage Typical current sink Data transmission Standard Communication protocol Transmission speed Optional Auxiliary supply Range 1Aor5A 4 In 100 In 57 73 63 50 72 16 100 110 V 125 190 220 230 380 400 V 2 Un 2 Un 50 60 Hz 1 18500 1 999999 V 4 1 5 250 V change over 05 02 gt 108 3 as Uaux 2mA RS485 half duplex MOD BUS ASCII 300 9600 baud selectable fibre optic module 24 320 Vdc 20 48 230 Vac 20 Frequency Vac 47 63 Hz Burdens min max 5 10 W Environmental conditions Operation 10 60 C Transport and storage 25 80 C Relative humidity without condensation lt 95 Protection degree for flush mounting IP 52 optional IP 54 Weight 2 5 kg Note 1 The additional relay R5 is controlled by self test program Note 2 Breaking capability at 110 Vdc L R 40 ms 100 000 operations SEB Divisione Elettronica e Sistemi TECHNICAL CHARACTERISTICS Note 3 The o
10. relay R1 is available for the relays R2 R3 and R4 just changing the relay identification F1 OUTPUT RELAY R1 QUIESCENT STATUS programmable R1 NORM Programming of the R1 relay status when no START or TRIP conditions are activated none of the measured currents exceed their thresholds NORM OFF normally de energized energized status on activation NORM ON normally energized de energized status on activation 25 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Example R1 NORM OFF F2 OUTPUT RELAY ACTIVATION ON THRESHOLD 51 programmable Ri SA XXXXXXXX Programming of the R1 output relay activation START or TRIP on the S1 threshold The parameter xxxxxxxx is selectable as the following START R1 output relay activation on the 51 threshold TRIP R1 output relay activation on the 51 threshold NONE no activations related to the S1 threshold F3 F12 OUTPUT RELAY ACTIVATION ON THRESHOLDS STATUS 62 P1 P2 Q1 Q2 R1 lt R2 lt R lt lt U R programmable R1 U R1 Q2 R1 R2 XXXXXXXX XXXXXXXX XXXXXXXX Programming of the R1 output relay activation NONE START TRIP on the thresholds status Examples NOTE the output relays related to the threshold U R do not have the START function TEST R1 XXXXXXXX F13 TEST OF OUTPUT RELAY R1 See paragraph 4 4 5 8 Digital inputs function programming fig 3 For each digital input one of the following functions are selectable a a
11. the following points are effective for the threshold R2 lt just taking into consideration the change of the threshold identification D1R ON OFF THRESHOLD programmable ANSI 64R cec RI lt R1 lt threshold identification R1 lt R2 lt ccc ON enabled threshold OFF disabled threshold available but not active D2R THRESHOLD LEVEL SET UP programmable R1 xxxxx O XXXXX threshold level expressed in Ohm The available settings of the thresholds are listed in Table A Example R1 02500 Q D3R TIME DELAY SET UP programmable TI INDIP XX XX S Set up of time delay to the activation TRIP of the programmed output relays when the measured frequency exceeds the threshold level XX XX time delay value programmable from 00 02 to 99 99 seconds Example TI INDIP 02 50 s DAR ADDITIONAL TIME DELAY SET UP programmable TA R1 XX XX S The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref G1 G2 G3 paragraph 5 8 23 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING D5R DIGITAL INPUT ACTIVE ON THRESHOLD not programmable Rl lt It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digita
12. threshold OFF disabled threshold programmed OFF at ref D1 par 5 6 OFF DIG threshold programmed active but momentary disabled by a digital input actual status ref G1 G2 G3 see par 5 8 Examples SiL Pl lt P2 R1 ON OFF ON OFF DIG NOTE The threshold U is always active ON therefore it will not be presented M1 M2 OUTPUT RELAY STATUS The actual status of each output relay is displayed for each relay the following information is displayed e relay identification R1 R2 R3 R4 e relay status ON activated OFF non activated Note that ON OFF do not necessary mean energized or de energized see ref F1 N1 N2 DIGITAL INPUT STATUS The actual status of each digital input is displayed For each digital input the following information is presented e digital input identification DIG1 DIG2 DIG3 e digital input status HI or LO P1 P2 P4 P5 MEASUREMENT DISPLAY The actual values of the measured parameters are displayed the parameters related to disabled thresholds are not displayed 28 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING P1 P2 P3 P4 P5 I XX XX U XX XX P An Q An RESIST A vyYYYY V t ccccc When the resistance is greater than 40 kQ it will displayed the following RESIST 240000 Q 5 10 Events fig 4 On the display are shown the memorized information related to the last 8 TRIP or STATUS events The
13. time delay on the threshold Q2 TA R1 additional time delay on the threshold R1 TA R2 additional time delay on the threshold R2 TA R additional time delay on the threshold R TA ALL additional time delay on all thresholds OF S1 threshold S1 disabled OF S2 threshold S2 disabled OF 1 threshold P1 disabled OF P2 threshold P2 disabled OF Q1 threshold Q1 disabled OF Q2 threshold Q2 disabled OF R1 lt threshold R1 lt disabled OF R2 lt threshold R2 lt disabled OF R lt lt threshold R lt lt disabled OF ALL all thresholds disabled STATUS activation of status function see paragraph 1 G2 DIGITAL INPUT DIG2 SET UP programmable DIG2 cc XXXXXXXX Programming of the function related to digital input channel 2 DIG2 the selections available are the same as presented for DIG1 ref G1 plus the following 27 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING MONITOR activation of pilot wire monitor function G3 DIGITAL INPUT DIG3 SET UP programmable DIG3 cc XXXXXXXX Programming of the function related to digital input channel 3 DIG3 the selections available are the same as presented for DIG1 ref G1 5 9 Parameter values visualization fig 4 11 19 THRESHOLDS STATUS The actual status of each threshold is displayed For each threshold are displayed the threshold identification S1 R1 lt etc and the threshold status the status can show one of the following values ON active
14. 5 513235 513235 SOLVIS SOLVIS SINHAH 9 gt gt 26H gt 20 10 lt gt 4 lt gt Id cs TS TOHSHUHL STWNOIS SHANSIN 61 81 Z1 91 81 AI l 21 V1 lt wos 15 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 3 Address and time fig 2 B1 RELAY MODEL not programmable 4 mod Models A5 nominal line current 5 A 1 nominal line current 1 A B2 COMMUNICATION PROTOCOL programmable B2 PROTOCOL XXXXXXXX The communication protocol is programmable between the followings STANDARD ASCII SEB protocol MODBUS Modbus protocol SLAVE When the MODBUS protocol is selected the following display is showed to allow the selection of the transmission speed B3 BAUDRATE XXXX The xxxx parameter is selectable between the followings 300 600 1200 2400 4800 9600 When the STANDARD protocol is selected the baud rate is automatically selected by the protection relay B4 ADDRESS programmable NR RELAY 001 Programmable address from 001 to 255 The number is used on RS485 port to address a specific relay when two or more protection relays are linked on the same serial line B5 RELAY SERIAL NUMBER not programmable SER NR 0012345 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING B6 SOFTWARE REVISION LEVEL not programmable SW REV ZL LZ dd mm yy hh mm ss Time and date are programmable and they are used to mark recorded events B
15. 7 TIME DATE programmable NOTE the clock is not provided with back up battery therefore a loss of auxiliary supply will force time date to the following condition 01 01 90 00 00 00 5 4 Insertion Selection fig 2 B8 INSERTION SELECTION ANSI 40 32 programmable It is possible to select the protection relay insertion related to the voltage measurement for the ANSI 40 and ANSI 32 functions B8 VOLTAGE XXX The following selection are available U D phase phase voltage U Y phase neutral voltage 5 5 Nominal values set up fig 3 C1 NOMINAL CURRENT SELECTION In not programmable In jA In nominal phase current not programmable see ref B1 C2 PRIMARY PHASE CURRENT programmable In prim XXXXX Primary phase current value of the installed phase CT the value is programmable from 0001 to 18500 A 17 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING NOMINAL LINE VOLTAGE SELECTION Un programmable Un V Un nominal line voltage selection nominal secondary voltage of plant VT selectable between the followings 57 73 63 50 72 16 100 110 125 190 220 230 380 400 C4 PRIMARY VT LINE VOLTAGE programmable U prim V Primary voltage value of the installed line VTs the value is programmable from 000001 to 999999 V C5 STANDARD DISPLAY SELECTION programmable DISPLAY It allows to select the standard d
16. TA P1 eeeeeeee It shows the digital input programmed to activate the additional time delay TA on the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold P1 DIG1 digital input DIG1 activates the TA delay on threshold P1 DIG2 digital input DIG2 activates the TA delay on threshold P1 DIG3 digital input DIG3 activates the TA delay on threshold P1 More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref G1 G2 G3 paragraph 5 8 5 6 3 Undervoltage threshold For the functional characteristics of the undervoltage threshold protection functions inhibition please refer to paragraph 1 4 D1U D2U THRESHOLD LEVEL SET UP programmable D1U D2U U lt ANSI U lt 40 32 Un X XX threshold level expressed as Un programmable The available settings of the threshold are listed in Table A The undervoltage inhibition threshold is always active when enabled at least one of the function ANSI 32 or ANSI 40 the threshold operates instantaneously without any time delays 22 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 6 4 Rotor earth fault thresholds ANSI 64R The information and set ups related to threshold R1 lt in
17. Un In of the current and voltage transformer The sign of the power value defines the position of the threshold in the P Q diagram lt gt sign of the disequation it shows if the power which determines the trip is placed in the right side gt positive increasing powers or in the left side lt negative increasing powers of the straight line on the P Q diagram To select the sign or the parameter use the down arrow The available settings for each threshold are listed in Table A Pl An 0 015 Threshold of active power less than 0 015 An maximum reverse active power therefore the relay trips with increasing negative powers sign lt when the measured power exceeds the threshold value 0 015 An e g 0 020 An Example D3P TIME DELAY SET UP programmable TI INDIP XX XX S Set up of time delay to the activation TRIP of the programmed output relays when the measured frequency exceeds the threshold level XX XX time delay value programmable from 00 02 to 99 99 seconds TI INDIP 02 50 s Example 21 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING D4P ADDITIONAL TIME DELAY SET UP programmable TA Pl XX XX S The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref G1 G2 G3 paragraph 5 8 D5P DIGITAL INPUT ACTIVE ON THRESHOLD not programmable
18. When the measured current is greater than 50 mA and the measured voltage lower than 10 Vac Q2 El R lt lt 200 When the measured current is lower than or equal to 50 mA and the measured voltage lower than 10 Vac Q2 1 U lt R 10 Volt Q4 ACTIVATED OUTPUT RELAYS El RELAY nnnnnnn It shows the list of the output relays activated by the threshold trip 1 RELAY E3 RELAY 1 3 4 1 4 When no output relays have been activated no relays programmed to TRIP on the threshold the following message will be displayed Examples El RELAY NONE oO SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Q5 TOTAL TIME DELAY TO TRIP El T Tot WWW WW S It is shown the total delay to the TRIP of the output relays from the detection of a measured parameter which exceed the related threshold value when additional delays are activated the change of the status of the digital input that controls the additional delay during the delay itself could bring to a total time different from the sum of the programmed delays If the total time is greater than 999 seconds the display of tenths is omitted When the event is memorized on external command STATUS the message N A Not Applicable is shown instead of the number of seconds El T Tot N A Q6 DIGITAL CHANNELS RELATED TO MEMORIZED EVENT El DIG 1 3 4 The list of the digital inputs related to the memorized event is displayed STATUS function command or additional ti
19. XX XX 5 CCCCCCCC ANSI 40 82 82 TI INDIP TA S2 TA S2 ccc S2 2 n nn Qo2 y yy 22 22 5 5 cccccccc DIP D2P D3P D4P D5P ANSI 32 Pl lt gt An TI INDIP TA Pl TA Pl Cel X XXX ZO 6224S XX XX S 32 2 lt gt TI INDIP TA P2 TA P2 p P2 X XXX DZ 8 XX XX S eccecece ANSI 32 01 lt gt An TI INDIP TA 01 01 0 PSK ZZ ZZ S B cccccccc ANSI 32 02 lt gt An TI INDIP TA Q2 TA O2 ccc Q2 TX XXX zZz z22 8 XX XX S cccccccc D1U D2U U ANSI U 40 32 Un DIR D2R D3R D4R D5R ANSI 64R Rl lt TI INDIP TA 1 lt TA 1 lt ccc 1 lt 22 22 5 XX XX S cccccccc ANSI 64R R2 TI INDIP TA R2 TA R2 ccc R2 XXXXX Q 22 22 5 XX XX S cccccccc D1C D2C D3C D4C ANSI 64R TI INDIP TA R lt lt TA R lt lt ccc R lt lt 22 22 5 XX XX S 1 2 F3 F4 F5 F6 F7 RELAYS R 51 R1 S2 R1 P1 R1 P2 R1 Q1 02 FUNCTION NORM XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX F8 F9 F10 F11 F12 F13 R U R1 R1 lt R1 R2 lt R1 U lt R R1 R TEST R1 eecccece cccccccc cccccccc R2 ORM R3 ORM R4 ORM G1 G2 G3 DIGITAL DIG1 cc DIG2 cc DIG3 cc INPUTS XXXXXXXX J1 CONFIRM PROG To fig 4 Figure 3 14 DISPLAY AND PROGRAMMING SEB Divisione Elettronica e Sistemi eunDi J
20. age on the display will change as TEST R1 ON 4 PRESS ENTER to command the instantaneous trip of the output relay change of the current status The relay will stay on the new condition until e the or RESET push button is pressed e the ENTER push button is pressed and the sequence at points 3 and 4 is repeated presenting OFF condition The same procedure will be used for R2 R3 and R4 relays 11 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING 5 DISPLAY AND PROGRAMMING The contents and the structure of the displayed messages are shown in figures 2 3 and 4 the references A1 B1 B2 etc identify specific displayed messages in the figures 51 Standard display fig 2 A1 STANDARD DISPLAY It is the standard displayed message without operator s intervention no push buttons pressed for at least 5 minutes or when the RESET push button has been pressed The displayed information is function of the protection relay status NORMAL FUCTIONING During this state the following information can be visualized as defined by set up e Protection function ANSI code the display shows the ANSI codes of the enabled functions e Measured parameters the display shows one of the measures line current or voltage or a computed parameter active power reactive power rotor insulation resistance The measure is visualized as primary value excepted powers that will be visualized in nominal value term
21. ast programming session are used to control unauthorized access The partial counter can be modified following the standard set up procedure for parameters as described at paragraph 4 2 the partial counters are immediately modified in the memory the recorded values are immediately resetted without the need of the programming confirmation R1 R18 TRIP COUNTERS R1 R2 51 52 0035 0084 Display of the partial and total counters of the TRIP condition related to each threshold When the value exceed 9999 the counter starts again from 0000 The counters are identified by the threshold name S1 S2 P1 P2 Q1 Q2 R1 lt R2 lt R lt lt there are presented only the counters related to the active thresholds The partial counters are modifiable in the range from 0000 to 9999 following the standard set up procedure paragraph 4 2 R19 R21 TOTAL PROGRAMMING SESSIONS AND DATE TIME OF THE LAST PROGRAMMING SESSION TOT PRG DATE PRG TIME PRG eeee dd mm yy hh mm ss Display of the number of confirmed programming sessions from the factory set up and the date and time of the last confirmed programming session 32 SEB Divisione Elettronica e Sistemi INSTALLATION 6 INSTALLATION 61 Supplied kit RK VERSION 19 rack installation the proper rack is supplied by SEB e protection relay module UARAN with rear socket e transparent front panel for rack installation e blister with items 1 2 3 4 5 CS VERSION
22. ation ANSI 40 The PQRAN relay performs functions as protection relay against loss of excitation or underexcitation condition as when the generator operates in this conditions for considerable periods danger arises due to overheating or mechanical damages The operating characteristic of the relay is a straight line on the P Q diagram as figure 1 SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS Zona di non intervento Non operating zone 27 Zona di intervento Operating zone K tg Figure 1 The straight line is defined by the slope K and by the intersection Qo with the semi axis of the deliverable capacitive reactive power at P 0 The equation of the straight line which determines on P Q diagram the operating and non operating zones is the following Q K P Qo where K is the tangent of the angle between the straight line and the active power axis Ri The K and Qo parameters are programmable The straight line is programmed to copy within some margins of safety the capability curve of the generator if the generator is equipped with an underexcitation limiting device the protection relay must operate after the limiting device P Q characteristic and time delay The PQRAN protection relay provides 2 independent thresholds 2 straight line on P Q diagram to define an operating characteristic which better approximates the capability curves of the generators The insertion diagram is presented in f
23. dditional time delay related to one or more thresholds only time definite threshold b ON OFF threshold STATUS function recording of measures external command d pilot wire fault monitoring only DIG2 monitors DIG1 When function a is programmed a message is displayed at ref D6D D5P D5R and D5R in paragraph 5 6 26 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING When the function of more than one digital input refers to a threshold the priority will be the following a OF selection threshold disabled has the priority on TA function additional time delay b the ALL selection ALL the thresholds has the priority on single threshold selection G1 DIGITAL INPUT DIG1 SET UP programmable DIGI XXXXXXXX Programming of the function related to digital input channel 1 DIG1 Parameter cc programming of the condition that activates the function related to digital input DIG1 the condition is selectable between HI and LO Parameter xxxxxxx programming of the function related to digital input DIG1 the following functions are selectable only the active threshold are presented NONE no functions active related to digital input DIG1 TA S1 additional time delay on the threshold S1 TA 52 additional time delay on the threshold S2 TA P1 additional time delay on the threshold P1 TA P2 additional time delay on the threshold P2 TA Q1 additional time delay on the threshold Q1 TA Q2 additional
24. e protection relay is supplied with R3 and R4 relays configured as SIGNALING RELAYS with 2 change over output contacts with breaking capability equals to 0 2 A at 110 Vdc L R 40 ms 100000 operations Each R3 and R4 relay can be configured as COMMAND RELAY with 1 change over output contact with breaking capability equals to 0 5 A at 110 Vdc L R 40 ms 100000 operations The new configuration is obtained with the following cabling 6 4 RS485 serial communication port The digital protection relay PQR4N presents an insulated serial interface RS485 half duplex that allow the multi drop connection up to 31 protection units When the STANDARD Seb communication protocol is selected the transmission speed is automatically selected between 300 to 9600 bauds and the protocol is ASCII HEX the documentation related to the protocol is freely available on request When the MODBUS communication protocol is selected the transmission speed can be programmed between 300 to 9600 bauds ref B3 par 5 3 It is suggested to use a shielded twisted pair AWG22 terminal 19 not connected internally can be used for shields connections 120 Ohm 120 Ohm CONTROLLORE PROTEZ 1 PROTEZ 2 PROTEZ 3 It is suggested to terminate the serial line with a resistance 120 O 1 4 W 37 SEB Divisione Elettronica e Sistemi TECHNICAL CHARACTERISTICS 7 TECHNICAL CHARACTERISTICS Measuring inputs ANSI 40 32 Rated phase current In
25. eshold it is available an additional time delay TA the additional time delay is added to time delay TI and its activation is controlled by the digital inputs The available settings for each timers are listed in Table A OUTPUT RELAYS the PQRAN controls 4 output relays named R1 R2 R3 and R4 these relays can be programmed to be activated on START or TRIP conditions of one or more thresholds the undervoltage threshold U presents only the TRIP or no activation conditions START instantaneous activation of the output relay when at least one of the measured parameter exceeds the programmed threshold value TRIP activation of the output relay when the programmed time delay or TI TA related to a threshold expires The quiescent state of each single relay R1 R2 R3 and R4 can be programmed as normally energized ON or normally de energized OFF SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS An additional relay R5 normally energized is controlled by the self diagnosis routines to report detected fault conditions Related to each threshold partial and total counters of TRIP conditions are available DIGITAL INPUTS there are available 3 digital inputs to activate the following functions when enabled by the programmed set up e additional time delay related to one or more thresholds e on off thresholds e STATUS function recording of measures on external event e pilot wire fault monitoring
26. hreshold OFF disabled threshold available but not active D2D SET UP PARAMETER K programmable 51 K1 n nn n nn value of the parameter tangent of the angle Programming of the parameter K of the equation at paragraph 1 1 The parameter is programmable from 2 00 to 2 00 with resolution 0 01 To select the sign or the parameter use the down arrow il S2 1 0 50 K2 1 50 D3D SET UP PARAMETER Qo programmable 51 An Qol y yy Programming of the parameter Qo of the equation at paragraph 1 1 the parameter is expressed in terms of nominal apparent single phase power An An Un In of the current and voltage transformer Examples NW value of the parameter The parameter is programmable from 0 00 to 2 00 An with resolution 0 01 An 51 An S2 An 001 1 34 Qo2 1 50 19 Examples SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING D4D TIME DELAY SET UP programmable TI INDIP 5 Set up of time delay to the activation TRIP of the programmed output relays when the measured frequency exceeds the threshold level xx xx time delay value programmable from 00 02 to 99 99 seconds Example TI INDIP 02 50 s D5D ADDITIONAL TIME DELAY SET UP programmable TA 51 XX XX S The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref G1 G2 G3
27. igure 5 the PQRAN relay is a single phase relay therefore it can be used in system assumed to be balanced The active P and reactive Q measured powers are single phase powers 4 SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS Current and voltage have to be applied according to the following table Phase Neutral Voltage Phase Phase Voltage Ux R T The available settings for each threshold are listed in Table A NOTE an undervoltage programmable threshold ref 1 4 is always active and it inhibits thresholds related to the ANSI 32 and ANSI 40 functions 1 2 Antimotoring reverse power ANSI 32 The PQRAN protection relay performs the function of antimotoring protection to avoid the generator to work as a motor There are also available reactive power thresholds the thresholds are straight lines on the P Q diagram parallel with axis The insertion diagram is presented in figure 5 the PQRAN relay is a single phase relay therefore it can be used in system assumed to be balanced The active P and reactive Q measured powers are single phase powers There are available the following thresholds defined as apparent power An An Un In e 2 active power thresholds P1 and P2 e 2reactive power thresholds Q1 and Q2 Each threshold can be programmed in terms of GREATER THAN or LOWER THAN and the sign of the power e g antimotoring gas turbine P1 0 015 An A programmable undervoltage thresho
28. ione Elettronica e Sistemi FRONT PANEL LED SIGNALLINGS 4 PROGRAMMING AND TEST The protection relay is easily programmable following the instructions in the next paragraphs e HOW TO PROGRAM THE PROTECTION RELAY e HOW TO MODIFY A VISUALIZED PARAMETER All parameters can be freely modified the proper protection set up as required by the plant management is submitted to the operator s judgment 41 Howto program the protection relay The programmable parameters are showed in Figures 2 3 and 4 at the following references B2 B6 relay protocol address RS485 and date time C1 C5 nominal values contrast etc D1D D6D thresholds and time delays loss of excitation ANSI 40 D1P D5P thresholds and time delays reverse power ANSI 32 D1U D2U thresholds and time delays undervoltage threshold D1R D5R thresholds and time delays rotor earth fault R1 lt and R2 lt D1C D4C thresholds and time delays rotor earth fault R lt lt 1 12 output relays functions G1 G3 digital input functions R1 R18 partial trip counters reset The programming sequence is the following 1 SELECT the visualization on display of the parameter to be modified using the arrow push buttons 2 ACTIVATE the PARAMETER MODIFICATION session depressing the ENTER push button and modify the parameter value 3 END the parameter modification session depressing again the ENTER push button 4 REPEAT the procedure from 1 to 3 for all the parameters required t
29. isplayed information ref 1 when no trip condition occurs and no fault condition have been detected by the self diagnosis module the available selections are the following ANSI displays of ANSI code CURRENT displays measured line current VOLTAGE displays measured line voltage P ACTIVE displays measured single phase active power Q REACT displays measured single phase reactive power RESIST displays measured resistance The current and the voltage is displayed in primary values the value depends on C2 and C4 set ups The powers are displayed as nominal values referred to An An Un In apparent nominal power Selection examples DISPLAY DISPLAY DISPLAY ANSI P ACTIVE RESIST C6 DISPLAY CONTRAST LEVEL programmable CONTRAST LEV x 18 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING The display contrast level is programmable from 0 to 9 The backlighted display is switched off if no push button is pressed for at least 5 minutes when one of the front panel push button is pressed the display is switched on 5 6 Threshold and time delays set up fig 3 5 6 1 Loss of excitation under excitation thresholds The information and set ups related to threshold S1 in the following points are effective for the threshold S2 just taking into consideration the change of the threshold identification D1D ON OFF THRESHOLD programmable ANSI 40 51 51 threshold identification S1 52 ccc ON enabled t
30. l inputs has been programmed to activate an additional time delay related to threshold R1 lt DIG1 digital input DIG1 activates the TA delay on threshold R1 lt DIG2 digital input DIG2 activates the TA delay on threshold R1 lt DIG3 digital input DIG3 activates the TA delay on threshold R1 lt More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref G1 G2 G3 paragraph 5 8 5 6 5 Rotor earth fault threshold R lt lt ANSI 64R D1C ON OF THRESHOLD programmable ANSI 64R coc R lt lt R lt lt threshold identification ccc ON enabled threshold OFF disabled threshold available but not active This threshold is not active when the measured voltage on the rotor circuit is greater than 10 Vca When the measured voltage is lower than 10 V the thresholds will be automatically activated and only the module of the measured current is taken into consideration with the two following actions e current module gt 50 mA TRIP threshold R lt lt if enabled e current module 50 mA ANSI 64R function inhibition loss of voltage V c a or fault in the GAR module D2C TIME DELAY SET UP programmable TI INDIP XX XX S Set up of time delay to the activation TRIP of the programmed output relays when the measured frequency exceeds the threshold level XX XX time delay value program
31. ld U is available to inhibit the relay functions during the start up of the generators the threshold inhibits the ANSI 40 and ANSI 32 functions With reference to figure 5 the positive active power flows from the generator to the grid and the positive reactive power is inductive and flows from the generator to the grid The available settings for each threshold are listed in Table A NOTE an undervoltage programmable threshold ref 1 4 is always active and it inhibits thresholds related to the ANSI 32 and ANSI 40 functions SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS 13 Rotor earth fault ANSI 64R The PQRAN relay performs the function of protection relay against rotor earth faults the relay operates on the a c voltage injection principle on the rotor circuits When the protection relay PQR4N must perform ANSI 64R protection function an additional rotor injection unit GAR must be installed to inject between the rotor circuit and the earth an a c signal derived from an auxiliary a c voltage When a rotor earth fault occurs an a c current flows through earth and the PQRAN relay measures the resistive component of the current in phase with the a c voltage on the rotor circuit to detect the fault condition without influences due to rotor capacities Two minimum insulation resistance thresholds are available and programmable in ohm R1 R2 The resistance measurement is done when the a c voltage
32. ls Minimum suggested wire cross section 1 5 mm With reference to the insertion diagram in the next page the voltages measured by the protection relay have the following matching U1 terminals 1 3 voltages with Un programmed from 190 to 380 V terminals 2 3 voltages with Un programmed from 0 to 125V UR terminals 17 18 voltage from GAR module Other circuits output relays etc It is suggested to terminate the wiring using plug terminals Minimum suggested wire cross section 1 5 mm 34 SEB Divisione Elettronica e Sistemi INSTALLATION RST 12 4 8 44 425 T R1 415 H2 39 5 40 gt 11 0 380V 12 0 125V 1 U1 BD 30 gt 31 gt R3 35 gt 33 gt 34 gt Al circuito 26 gt di rotore 24 gt 5 To rotor 25 circuit RA 29 gt 1 ED Uaux 220 Vca UR 38 gt R5 m gt 36 gt E TEST 141 4 DIG 1 lt T S dido LINE H R 101 4 5 4 CGIE es LINE L 8 DIC 22 9 Figure 5 PQR4N INSERTION 35 SEB Divisione Elettronica e Sistemi INSTALLATION 172 9 Cif i fifi IITT III CJ Dimensioni meccaniche Case outlines N 4 fori 84 6 Dima montaggio da incasso Flush mounting panel cut out Montaggio incassato Flush mounting Dimensioni pannello frontale trasparente Transparent front panel sizes 208 x 89 5 mm 36 SEB Divisione Elettronica e Sistemi INSTALLATION 6 3 Relays and R4 Signaling Command set up Th
33. mable from 00 02 to 99 99 seconds 24 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Example TI INDIP 02 50 s D3C ADDITIONAL TIME DELAY SET UP programmable TA R lt lt XX XX S The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref G1 G2 G3 paragraph 5 8 D4C DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA R lt lt It shows the digital input programmed to activate the additional time delay TA the displayed threshold The parameter eeeeeeee can show one of the following values DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold R lt lt DIG1 digital input DIG1 activates the TA delay on threshold R lt lt DIG2 digital input DIG2 activates the TA delay on threshold R lt lt DIG3 digital input DIG3 activates the TA delay on threshold R lt lt More than one digital input can activate the same additional time delay e g DIG 1 3 Please note that to activate the additional time delay at least one of the digital inputs should be programmed ref G1 G2 G3 paragraph 5 8 5 7 Output relays programming fig 3 The session allows to program the activation of the output relays R1 R2 R3 or R4 on START or TRIP status for each threshold Equivalent information and set up related to
34. me TA enabled rif E4 par 5 8 If no digital inputs were activated the message NONE is displayed Q7 Q8 Q9 Q10 Q11 MEMORIZED MEASURES ON EVENT Q7 Q8 Q9 Q10 Q11 El I 1 0 1 El Q An 1 R 22 17 In Za zz Un c ERAT E ZZZ 77777 Q The values of the measured parameters at the event are displayed The current and the voltage are presented in terms of relative units In or Un and the single phase active and reactive powers are presented in terms single phase nominal apparent power An Un In of the installed CT and VT The resistance is expressed in Ohm Q12 Q13 Q14 DIGITAL INPUTS STATUS ON EVENT El El E DIGI vv DIG2 vv DIG3 vv The status of the digital inputs at the event are displayed The parameter vv can assume the value HI or LO 31 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING Q15 Q16 DATE AND TIME OF THE EVENT El Date El Time dd mm yy hh mm ss The date and time of the event are showed 5 11 Trip counters fig 4 In this section are displayed the total and partial counters of the output relay activation on TRIP conditions for each thresholds and the numbers of programming sessions with the date and time of the last confirmed programming session The total counters the number of confirmed programming sessions and the date and time of the last confirmed programming session are not modifiable or resettable the information related to the l
35. o obtain the new protection relay set up 5 CONFIRM the new protection relay set up at the visualization CONFIRM PROG Fig 2 ref J1 within 5 minutes depressing the push buttons ENTER and up to visualize YES and ENTER again to confirm NOTE The protection relay continues to operate using the previous set up until the new set up is confirmed as at point 5 above the visualization of the modified parameters before the new set up confirmation is only temporary to allow an easy definition of the new protection set up SEB Divisione Elettronica e Sistemi FRONT PANEL LED SIGNALLINGS If the new set up is not confirmed within 5 minutes from the last pressed push button the protection relay visualizes again the previous set up the parameters set up that the protection relay is still using 4 2 modify a visualized parameter When the parameter to be modified is visualized on front panel display do the following sequence 1 PRESS ENTER to activate the parameter modification session If one or more parameters are modifiable on the first of them will appear a blinking cursor If no parameters are modifiable no blinking cursor will appear 2 MODIFY THE PARAMETER pressing the arrow push buttons and when two parameters are modifiable the push button allows to point out the parameter to be modified the selected parameter will blink gt when numerical parameters are pointed out the push button allows to selec
36. on the rotor circuit is greater than 10 V ac If the measured voltage is less than 10 V only the current module measurement will be taken into consideration e current module gt 50 mA trip threshold R if enabled e current module 50 mA ANSI 64R function inhibition loss of V a c supply as when the voltage is very low less than 10 V the resistance measurement will be less accurate In the second case it is possible to program an output relay to signal the condition loss of V a c supply of the GAR module The available settings for each threshold are listed in Table A NOTE an undervoltage threshold is always active 10 V fixed and it inhibits the thresholds R1 and R2 whilst the R must be enabled by the user 1 4 Undervoltage threshold ANSI 27 A programmable undervoltage threshold is always available to inhibit the protection functions related to ANSI 32 and ANSI 40 during the generator start up An output relay can be activated programmed on the undervoltage threshold The available settings for each threshold are listed in Table A The undervoltage inhibition threshold is always active when enabled at least one of the function ANSI 32 or ANSI 40 the threshold operates instantaneously without any time delays SEB Divisione Elettronica e Sistemi FRONT PANEL KEYS 2 FRONT PANEL KEYS The 5 push buttons on the front panel allow to view all the protection parameters and to modify the protection se
37. ormation related to measured currents and digital input status see par 5 10 EVENTS The recorded information allows an analysis of trip causes in co operative protection relays systems PILOT WIRE FAULT MONITORING when the function is programmed the digital input DIG2 is used to control the correct functionality of the pilot wire Digital input DIG2 is always expected to be complementary of DIG1 input HI LO or LO HI to identify faults on pilot wire The fault condition is reported as detected by the self diagnosis module but the protection functions are not suspended only the functions related to DIG1 digital input are suspended as the DIG1 status cannot be longer considered as true The fault condition is reported when DIG1 and DIG2 signals are not complementary for more then 100 ms REMOTE COMMUNICATION the opto insulated serial port RS485 can communicate with a personal computer or a remote control and monitoring system equipped with an RS485 interface or with a standard RS485 RS232 converter It is possible to select the communication standard between STANDARD ASCII 7 bit Seb protocol or MODBUS ASCII mode SLAVE All the set up and measured parameters can be transmitted on the RS485 communication serial port when communication is active LED REMOTE glows the operator on front panel can visualize the relay set up but changes of parameters are disabled ENTER and buttons disabled 1 1 Under excitation loss of excit
38. produced in whole or in part in any form or by any means without the express written permission of SEB Divisione Elettronica e Sistemi SEB Divisione Elettronica e Sistemi GENERAL CHARACTERISTICS 1 GENERAL CHARACTERISTICS The PQRAN protection relay performs functions as generator protection relay against loss of excitation or underexcitation conditions antimotoring reverse power and against rotor earth faults The user can select one or more of the functions listed in the table below Loss of excitation Antimotoring reverse power Rotor earth fault All the functions of the relay are fully programmable by the front panel keyboard or through the RS485 serial interface set up and measured parameters can be visualized on the front panel display and transmitted on the RS485 communication serial port THRESHOLDS the following thresholds are available e 21055 of excitation underexcitation thresholds e 2 active power thresholds max or minimum e 2 reactive power thresholds or minimum e 2 rotor insulation resistance thresholds The available settings for each threshold are listed in Table A A programmable undervoltage threshold is provided to inhibit the functions related to loss of excitation ANSI 40 and antimotoring ANSI 32 during the generator start up the threshold operates instantaneously without any time delays TRIP DELAYS each threshold have a programmable definite time delay Tl for each thr
39. s ON TRIP CONDITION When a trip condition occurs the protection relay visualizes the TRIP message that includes the threshold related to the trip the displayed messages are as the following TRIP TRIP TRIP TRIP Sd P1 RI lt R lt lt The information of the trip as well the glowing of the related LEDs is displayed until the RESET push button is pressed If a new trip condition occurs the displayed information will be updated information related to previous trips are recorded in EVENTS memory FAULT CONDITION When a permanent or temporary fault condition is detected by the self diagnosis module the following message is displayed FAIL PILOT Detected fault condition on pilot wire the function related to DIG1 digital input is suspended Corrective action verify pilot wire short or open circuit The string eeeeeeee can be 12 SEB Divisione Elettronica e Sistemi DISPLAY AND PROGRAMMING HARDWARE Detected fault condition on hardware or software resources of the protection relay all functions are suspended Corrective action replace the protection relay and contact SEB post sales service 5 2 Visualization structure A1 ANSI 40 ALTERNATIVE FAIL TRIP P An 32 64R DISPLAY eeeeeeee P1 SXCXXX B1 B2 B3 B4 B5 B6 B7
40. t the digit to be modified increasing of the parameter a the digits are increased by 1 unit b the other parameters are presented following the selection list 3 PRESS ENTER to end parameter modification session The modification session is ended and the parameter stops to blink NOTE if a numerical parameter is selected out of the accepted range as shown in Table A when the push button ENTER is pressed for few seconds an error message will be displayed as Data Error and the parameter will be displayed again with the former value 4 3 Reset When the push button RESET is pressed the protection relays returns to the standard condition e reset of glowing LEDs 10 SEB Divisione Elettronica e Sistemi FRONT PANEL LED SIGNALLINGS e drop off of tripped relays e reset of any parameter changed but not confirmed parameters are shown as confirmed at the end of the last programming session e display on STANDARD MODE Fig 1 ref A1 par 5 1 4 4 Test of output relays When the output relays test is selected Fig 3 ref E13 it is possible to command an output relay one at the time to trip from the current status allowing functional tests on electrical plants The output relays are activated with the following sequence 1 SELECT THE VISUALIZATION of the desired output relay to be tested TEST R1 OFF 2 PRESS ENTER to activate the test session the message OFF will start to blink 3 PRESS and the mess
41. t up B right arrow down arrow programming session activation or parameter confirmation change or increment of the selected parameter 1 E RESET reset of the protection relay rif Par 4 3 VISUALIZATION OF PARAMETERS all visualizations are circular and they can be displayed using the two arrow push buttons e the structure of the visualizations and their contents are showed in Figures 2 3 and 4 e when the sealable transparent front panel is installed only the arrow push buttons and the RESET push button are accessible to prevent unauthorized modification of the protection set up MODIFICATION OF PARAMETERS e remove the transparent sealable front panel to access ENTER and push buttons SEB Divisione Elettronica e Sistemi FRONT PANEL LED SIGNALLINGS 3 FRONT PANEL LED SIGNALLINGS POWER auxiliary supply available green FAIL fault condition detected by SELF DIAGNOSIS software or by red PILOT WIRE FAULT MONITORING function REMOTE communication session active on RS485 port red ANSI 40 trip condition on loss of excitation or under excitation thresholds red ANSI32 trip condition on antimotoring or reverse power thresholds red ANSI 648 trip condition on rotor earth fault thresholds red The last trip condition threshold indication is also showed on front panel display more information on trip condition are presented in the recorded EVENT see par 5 10 SEB Divis
42. uation lt or gt is programmable for each threshold 41 42 43 44 SEB DIVISIONE ELETTRONICA E SISTEMI UFFICIO COMMERCIALE Via Segantini 5 20825 BARLASSINA MB tel 39 0362 5669 1 fax 39 0362 556622 web www seb barlassina it mail to servizio clienti seb barlassina it
43. utput contacts of R3 and R4 relays can be configured as signaling or tripping relays 39 SEB Divisione Elettronica e Sistemi ROTOR VOLTAGE INJECTION UNIT 8 ROTOR VOLTAGE INJECTION UNIT 300 150 A ATTENZIONE APPARECCHIATURA SOTTO TENSIONE ANCHE SPORTELLO APERTO 400 400 Case outlines Fig 6 8 1 GAR module Technical characteristics Auxiliary supply Range 220 Vac 20 Frequency Vac 47 163 Hz Burdens max 50 VA Environmental conditions Operation 10 60 C Transport and storage 25 80 C Relative humidity without condensation lt 95 Protection degree To be installed in a cabinet Weight 8 kg Mounting wall mounting 40 SEB Divisione Elettronica e Sistemi TABLES 9 TABLES Table A Settings THRESHOLDS Settings Resolution K1 K2 Tangent angle see fig 1 2 00 2 00 0 01 Qo1 Qo2 Parameter Qo fig 1 0 00 2 00 An 0 01 An P1 P2 ACIVE POWE Mresnolgs 1 500 1 500 An 0 005 An Note 1 Reactive power threshold Q1 Q2 Note 1 1 500 1 500 An 0 005 An 32 40 U lt OE inhibition 0 20 120Un 0 01Un 1 lt R2 lt resistance insulation 200 40000 100 Undervoltage threshold ANSI 10 V 64R SSR Trip R lt lt if 1 50 mA Inhibition ANSI 64R if 50 mA DELAYS Definite delay Ni DS 0 02 99 99 s Additional delay All thresholds 0 00 99 99 s OTHER PARAMETERS gt 0 95 max thresholds Note 1 The sign of the diseq
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