Thytronic NA011 Manual Download

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NA011 - Manual - 05 - 2022

MANUAL

NA011

PHASE & RESIDUAL OVERCURRENT,

AUTOMATIC RECLOSURE

PROTECTION RELAY

Summary of Contents for NA011

Page 1: ...NA011 Manual 05 2022 MANUAL NA011 PHASE RESIDUAL OVERCURRENT AUTOMATIC RECLOSURE PROTECTION RELAY...

Page 2: ...3 3 2 INPUT CIRCUITS 14 Auxiliary power supply Uaux 14 Phase current input circuits 14 Residual current input circuit 14 Binary input circuits 14 3 3 OUTPUT CIRCUITS 14 Output relays 14 3 4 MMI 15 3 5...

Page 3: ...2 MOUNTING 49 6 3 ELECTRICAL CONNECTIONS 51 6 4 NOMINAL CURRENT In AND IEn SETTINGS 56 6 5 NOMINAL CURRENT In SETTING FOR LPCT 58 6 6 LED ALLOCATION 58 6 7 FINAL OPERATIONS 58 7 PROGRAMMING AND SETTIN...

Page 4: ...ype EI 81 Residual overcurrent 50N 51N Moderately inverse time curve ANSI IEEE type MI 82 Residual overcurrent 50N 51N Very inverse time curve ANSI IEEE type VI 83 Residual overcurrent 50N 51N Extreme...

Page 5: ...consent Warranty Thytronic warrants devices against defects in materials and workmanship under normal use for a period of ONE 1 YEAR from the date of retail purchase by the original end user purchaser...

Page 6: ...are shown as NA011 Notes are highlighted with cursive letters inside colored bar Note Useful description note Glossary definitions IEn Relay residual nominal current IEnp Residual CT primary nominal...

Page 7: ...nstant when the character istic quantity in reset condition is changed under specified condi tions and the instant when the relay operates Dropout ratio The ratio of a reset value to an operate value...

Page 8: ...2nd threshold of the 50 element It is not available for reading missing arrow AND and NAND logic gates OR and NOR logic gates Limit block I threshold Computation block Max phase current Threshold set...

Page 9: ...tDROP tDROP Minimum pulse width operation for output relays tTR tTR t tTR INPUT OUTPUT tTR 0 T tTR t tTR INPUT OUTPUT Latched operating mode for output relays and LEDs Pulse operating mode for output...

Page 10: ...asured CTs or balanced trans former or the calculated residual current Following input circuits are available Phase current inputs Traditional CTs Three phase current inputs with secondary nominal cur...

Page 11: ...lizing circuit having a very wide working range and a very small power dissipation The most significant operating features are Programming of operating modes and parameters by means of the front keys...

Page 12: ...requirements for measuring relays and protection equipment EN 60255 26 Apparati di automazione e controllo per centrali e stazioni elettriche Compatibilit elettromagnetica Immunit ENEL REMC 02 Normat...

Page 13: ...0 A m Damped oscillatory wave 1 MHz 30 A m Emission Reference standards EN 60255 25 IEC 60255 25 EN 61000 6 4 IEC 61000 6 4 EN 55011 CISPR 11 Electromagnetic emission tests Conducted emission auxiliar...

Page 14: ...nominal residual current IEn 1 A or 5 A selectable by DIP switch Permanent overload 25 A Thermal overload 1 s 500 A Dynamic overload half cycle 1250 A Rated consumption 0 006 VA IEn 1 A 0 12 VA IEn 5...

Page 15: ...P 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s I Reset time delay t RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time 50 51 First threshold definite time I...

Page 16: ...p 0 1 s I Reset time delay t RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time 50 51 Third threshold definite time I def 0 100 20 0 In 0 100 0 999 In step 0 001 In 1 00 9...

Page 17: ...CLP 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s IE Reset time delay tE RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time 50N 51N Second threshold definite...

Page 18: ...perate time accuracy 5 or 10 ms Note 1 Standard Inverse Time IEC 255 3 BS142 type A or SIT t 0 14 tE inv IE IE inv 0 02 1 Very Inverse Time IEC 255 3 BS142 type B or VIT t 13 5 tE inv IE IE inv 1 Extr...

Page 19: ...hannels Analog 1 Analog 4 Instantaneous currents value iL1 iL2 iL3 iE Phase currents IL1 IL2 IL3 Residual current IE Set digital channels Inputs IN1 IN2 IN3 Outputs K1 K4 General trigger from start tr...

Page 20: ...it provides stabilized voltages of 5 V and 5 V required for the analogue measurement and 3 3 V for supplying the digital circuits The circuit board additionally comprises INPUT CIRCUITS Three binary i...

Page 21: ...cir cuits communication circuits buttons LCD display LEDs and the key switch CPU A 32 bit DSP is provided The following are envisaged Real Time Clock circuits with oscillator and super capacitor RS232...

Page 22: ...ns The main modules are diagnostic function input management logical inputs and block signal protective functions event recording output management output relays LEDs and block signals Each element Ke...

Page 23: ...rectly by the application e g counters Self test application This function cyclically monitors the operation of the main hardware and software functions without affecting the process cycle with any si...

Page 24: ...ty for tasks conditioning circuits DSP are on hand ACQUISITION base level The input signals are sampled 24 times per power cycle iL1 iL3 phase currents instantaneous value iE residual current instanta...

Page 25: ...I L3 i E I E Binary input I N1 inary input I N2 inary input I N3 Start START Relay K1 K4 Trip TRIP Relay K1 K4 Srart START LED Trip TRIP LED Trip 50 51 LED Trip 50N 51N LED Trip CB OPEN LED Trip CB CL...

Page 26: ...e information is used to acquire the CB position open closed fault External trip Trip EXT The input activation enables the remote trip function 79 Enable The input activation enables the auto reclosin...

Page 27: ...and can be carry out by means of a remote command CB open ai CB Open command UAUX UAUX UAUX CB Open Binary input allocation for CB Open command TRIPPING M ATRIX REL AYS UAUX UAUX 52a 52 O I 52b IN3 CB...

Page 28: ...Visor or commu nication command It is advisable to make sure that the output contact technical data are suitable for load Nominal current breaking capacity make current switching voltage Matching ever...

Page 29: ...gged for TRIP of one or more protective elements IE IE One red LED 3 no latched tagged for binary input state visualization 52a CB position One red LED 4 no latched tagged for binary input state visua...

Page 30: ...e implemented ModBus RTU Modbus is a serial communications protocol It is a de facto standard communica tions protocol in industry and is now the most commonly available means of connecting industrial...

Page 31: ...value must be set by means dip switch to 1 A or 5 A same as the secondary nominal current of the residual CT Dip switch is located on board of the CPU board the exhaustive treatment of Dip setup is d...

Page 32: ...p 500 A Measurement reading mode With Reading Relative setting all measures are related to the nominal value With Reading Direct setting all measures are related to the primary value Es2 IEn ai 3x KTA...

Page 33: ...2 1 0 098 Extremely Inverse ANSI IEEE type EI t t inv 5 64 I I inv 2 1 0 024 I squared t I 2t K t 16 t inv I I inv 2 Where t operate time I inv threshold setting t inv operate time setting For all in...

Page 34: ...er closure This operating mode ON Changing ICLP ICLP ICLP and the concerning oper ating time within the CLP tCLP tCLP tCLP may be adjusted inside the Set 50 51 I Element I Element Setpoints menus wher...

Page 35: ...hange setting B OFF C ON Element blocking I TR K I TR L I ST L I ST K Phase overcurrent 50 51 Second element logic diagram I Fun_50 51S3 ai IL1 IL2 t RES T 0 RESET t def 0 T 1 t def I def t RES Start...

Page 36: ...IE inv 1 Extremely Inverse Time IEC 255 3 BS142 type C or EIT t 80 tE inv IE IE inv 2 1 Moderately Inverse ANSI IEEE type MI t tE inv 0 01 IE IE inv 0 02 1 0 023 Very Inverse ANSI IEEE type VI t tE in...

Page 37: ...ing mode ON Changing IECLP IECLP and the concerning operating time within the CLP tECLP tECLP may be adjusted inside the Set 50N 51N IE Element IE Element Setpoints menus whereas the operating thresho...

Page 38: ...ON Enable IE BF towards BF logic IE BF Trip IE TRIPPING M ATRIX LED REL AYS IE Curve 0 T A B C A 1 A 0 or OFF Output tECLP tECLP CB State CB OPEN CB CLOSED CB OPEN Output tECLP t 0 1 s HIGH THRESHOLD...

Page 39: ...means one or two binary inputs connected to the auxiliary contacts 52a and 52b If both conditions are held along the set operate time tBF the BF element trips at deadline vice versa the timer is clea...

Page 40: ...enabled Operation and settings 52a is the auxiliary contact in the breaker that is in the same position as the breaker 52a open CB open It must be assigned to the IN2 binary input 52b is the auxiliary...

Page 41: ...ip activation command pulse Enabling activation command On Enable The element may be enabled or disabled by setting ON the 79 Enable parameter available inside the Set AutoReclose 79 menu The followin...

Page 42: ...on with sequence depending from the setting mode Slow reclosure fault discrimination time td If any trip arises within the time interval td the cycle goes off and the failed reclosure is issued Rapid...

Page 43: ...79 Mode Rapid Slow and more than zero reclosures are enabled 79N DAR 1 5 if a fault CB opening command occurs within the reclaim time after the slow reclosure dead time tsdt a slow reclosure is opera...

Page 44: ...meter available inside the Set Auto reclose 79 menu CB manual CLOSE The intentional CB closing command start the reclaim tr and Manual close fault discrimination td timers if the manual close discrimi...

Page 45: ...d the corresponding programmed output relay is switched the corresponding LED lit and the outcome recorded as the most recent event The test condition is shown by means of the blinking green ON 2 Test...

Page 46: ...ounter TR EXT Remote trip Counter 79 RR Rapid reclosures Counter 79 SR Slow reclosures Counter 79 DR Delayed reclosures Counter 79 FR P Failed reclosures from 50 51 trip Counter 79 FR E Failed reclosu...

Page 47: ...L ANOMALY output relay coil breakage FATAL ANOMALY alteration of the calibration data stored in EEPROM memory FATAL ANOMALY alteration of the parameters threshold setting times relays etc in EEPROM me...

Page 48: ...ample 1 With the following setting Analog channel 1 iL1 Analog channel 2 iL2 Analog channel 3 iL3 Analog channel 4 iL4 Digital channel K1 Pre trigger 1 T 20 ms the stored record length of the two reco...

Page 49: ...sembly Flush mounting Rack9 Flush mounting The fixed case fitted with special fastening brackets is mounted on the front of electric control board previously drilled as indicated in the drawing In cas...

Page 50: ...h system EIA 310 D IEC 60297 and DIN 41494 SC48D the MAR adapter is required available on request To allow opening of the keyboard door a one unit space must be provided when several rack are overlapp...

Page 51: ...rews and an insulating panel covering the terminals may be mounted for safety purposes Devices must be installed by qualified personnel only No liability is accepted from Thytronic due to improper use...

Page 52: ...netic effect of the three cables is perfectly compensated in the absence of residual current Fig 2a Hence the assembly indicated in the drawing of fig 2b in which phase L3 causes local magnetic satura...

Page 53: ...suring instruments and the resistance of the connections must not ex ceed the line CT performance In particular consumption of the relay input circuit must not exceed 0 2 VA while the load expressed i...

Page 54: ...trip relays K3 signalling relay It is advisable to verify that the technical characteristic of the contacts be suitable for the applied load about current nominal voltage make and break current etc Al...

Page 55: ...point connecting the specially provided resistor termination can be made by means a jumper between the E1 E2 terminals Termination resistors allow adjusting the impedance of the line reducing the infl...

Page 56: ...MMI module with care to not disconnect the flat cable Avoid touching the printed circuit and connections 1 Note 1 There are components present which are sensitive to electrostatic discharge When the...

Page 57: ...ot meaningful Place switches 1 4 according to the number on the printed circuit board not considering the numbers on the component Dip swithes position Dip switch localization concerning the nominal c...

Page 58: ...corresponds to the settings of relay All wirings are correct All screws are tightly screwed Note 1 For LPCT versions the dip switch position located inside the CPU board concerning the phase current...

Page 59: ...means of XML files ThyVisor installation The latest release of ThyVisor can be downloaded free of charge from the www thytronic it site Products Software 1 ThyVisor use Please refer to ThyVisor user...

Page 60: ...00 The ON green Led points out the auxiliary power supply voltage permanent lighted and possible faults blink lighted The display backlight is automatically activated when any key switch is set By me...

Page 61: ...e Down key the message K1 Logic De energized is displayed Press the Enter key the he modification in progress status is highlighted by the symbol E flashing in the upper right area of the display Chan...

Page 62: ...enu the clearing of counters Reset counters LEDs and relays Reset alarm may be operated DEFAULT Option Available inside the Option menu are the configuration parameter reset Default commands Set defau...

Page 63: ...1 100 5000 step 5 Inp unit A IEnp value 1 99 step 1 100 5000 step 5 IEnp unit A Reading Relative Direct Protections trip Protections trip Trip I Trip I Trip I Trip IE Trip IE Trip EXT AutoReclose 79...

Page 64: ...step 1 Self test Self test None Minor Major Fatal Self test cause Stack overflow reserved Eeprom overflow Eeprom CAL fail Eeprom PAR fail Eeprom REE fail reserved reserved Breaker Failure Self test l...

Page 65: ...pted 79 fail phase 79 fail earth 79 fail external 79 rapid ok 79 slow ok 79 delayed ok E Year 2000 2099 step 1 E Month 1 12 step 1 E Day 1 31 step 1 E Hour h 0 23 step 1 E Minute m 0 59 step 1 E Secon...

Page 66: ...IE Trip EXT Breaker Failure 79 Close 79 Run 79 Fail CB Close CB Open Self Test CB K4 logic De energized Energized K4 mode No latched Latched K4 tTR ms 10 500 step 10 AutoReclose 79 79 Enable OFF ON 7...

Page 67: ...tpoint ICLP Off On Blocking On Changing tCLP s 0 00 9 99 step 0 01 10 0 100 0 step 0 1 t RES ms 0 1000 step 10 I Definite I def In 0 100 0 999 step 0 001 1 00 9 99 step 0 01 10 0 20 0 step 0 1 ICLP de...

Page 68: ...0 0 60 0 step 0 1 Breaker failure BF Enable Trip I Trip I Trip I Trip IE Trip IE Trip EXT tBF s 0 10 0 99 step 0 01 1 00 10 00 step 0 05 Store Oscillography Info Records stored 0 2 step 1 Last record...

Page 69: ...mmands Reset Reset counters Reset alarm Circuit breaker CB Open CB Close AutoReclose AutoReclose off AutoReclose on Set clock Set year 2000 2099 step 1 Set month 1 12 step 1 Set day 1 31 step 1 Set ho...

Page 70: ...e current values referred to the nominal current of the current transformers as directly in primary amperes according to the preset value of CT s nominal primary current the same is done for the input...

Page 71: ...se time characteristics following data applies Asymptotic reference value minimum pickup value 1 1 I inv Minimum operate time 0 1 s Range where the equation is valid 2 3 1 1 I I inv 20 If I pickup 2 5...

Page 72: ...55 3 BS142 type A F_51 IECA Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 1 s t inv 0 02 s t t in...

Page 73: ...55 3 BS142 type B F_51 IECB Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 02 s t inv 0 1 s t t in...

Page 74: ...255 3 BS142 type C F_51 IECC Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 100000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 02 s t inv 0 1...

Page 75: ...type A F_51N IECA Char ai 1 1 2 3 4 5 6 7 8 9 10 20 0 01 0 1 1 10 100 1000 10000 t s t tE inv IE IE inv 0 02 1 0 14 Note match of operating and setting time takes place when IE IE inv or IE IE inv 700...

Page 76: ...type B F_51N IECB Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I E IE inv I E IE inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s tE inv tE inv 5 s 1 s 0 5 s 0 2 s 0 02 s 0 1 s t tE inv IE IE inv 1 13 5 t tE inv...

Page 77: ...42 type C F_51 IECC Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv IE IE inv 0 01 0 1 1 10 100 1000 10000 100000 t s 10 s 60 s tE inv tE inv 5 s 1 s 0 5 s 0 2 s 0 02 s 0 1 s t tE inv IE IE inv 2 1 80 t t...

Page 78: ...verse curve L 0 024 for ANSI IEEE Extremely inverse curve For all inverse time characteristics following data applies Asymptotic reference value minimum pickup value 1 1 I inv Minimum operate time 0 1...

Page 79: ...EE type MI F_51 ANSIMI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 02 s t inv 0 2 s t inv 0 1 s t inv 0 5 s t t inv I I...

Page 80: ...type VI F_51 ANSIVI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 10 s t inv 60 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 1 s t inv 0 02 s t t inv I I i...

Page 81: ...EI F_51N ANSIEI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s tE inv 10 s tE inv 60 s tE inv 5 s tE inv 0 5 s tE inv 1 s tE inv 0 2 s tE inv 0 1 s tE inv 0 02 s t tE in...

Page 82: ...N ANSIMI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv IE IE inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s tE inv tE inv 5 s 1 s 0 02 s 0 2 s 0 1 s 0 5 s t tE inv IE IE inv 0 02 1 0 01 0 023 t tE inv I...

Page 83: ...ANSIVI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv IE IE inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s tE inv tE inv 5 s 1 s 0 5 s 0 2 s 0 1 s 0 02 s t tE inv IE IE inv 2 1 3 922 0 092 t tE inv IE I...

Page 84: ...EI F_51N ANSIEI Char ai 1 1 2 3 4 5 6 7 8 9 10 20 IE IE inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s tE inv tE inv 5 s 0 5 s 1 s 0 2 s 0 1 s 0 02 s t tE inv IE IE inv 2 1 5 64 0 024 t tE inv IE IE...

Page 85: ...ge where the equation is valid 2 3 1 1 I I inv 20 Note 1 Symbols are concerning the overcurrent element The comprehensive overview of the inverse time characteristics concerning the 50 51 and 50N 51N...

Page 86: ...I inv I I inv 0 01 0 1 1 10 100 1000 10000 t s t inv 60 s t inv 10 s t inv 5 s t inv 1 s t inv 0 5 s t inv 0 2 s t inv 0 1 s t inv 0 02 s t t inv I I inv 2 16 Note match of operating and setting time...

Page 87: ...inv 0 5 s tE inv 0 5 s tE inv 0 2 s tE inv 0 2 s tE inv 0 1 s tE inv 0 1 s tE inv 0 02 s tE inv 0 02 s IE IE inv 2 16 Note match of operating and setting time takes place when IE IE inv or IE IE inv 4...

Page 88: ...e selected when ordering Traditional CT input circuits Low powerCT input circuits LPCTs NA011 C1 IL1 IL2 IL3 IE CURRENT INPUTS C2 C3 C4 C5 C6 C7 C8 C7 C8 RS232 FRONT PANEL A13 IN1 IN2 IN3 A14 A15 A16...

Page 89: ...APPENDIX 89 NA011 Manual 05 2022 8 5 APPENDIX B2 Interfaces Interfaces ai NA011 RS232 FRONT PANEL A22 A21 B E1 RS485 1 2 3 120 A...

Page 90: ...P2 C2 C3 C4 C5 C6 C7 C8 A13 IN1 IN2 IN3 A14 A15 A16 A17 A18 DG C7 C8 IE P1 S1 S2 P2 Three phase CTs and residual current from core balanced CT NA011 xxx2 or calculated NA011 xxx0 Circuit Breaker Posit...

Page 91: ...A13 IN1 IN2 IN3 A14 A15 A16 A17 A18 DG 50 51 IE P1 S1 S2 P2 C7 C8 50N 51N Two phase CTs and residual current from core balanced CT Circuit Breaker Position 79 IN3 Select Note 1 Note 1 when only two p...

Page 92: ...A3 K1 A11 A12 A10 K4 A9 A8 A7 K3 UAUX A19 A20 A22 A21 B E1 RS485 1 2 3 120 A DG 52a 52b UAUX UAUX UAUX UAUX C1 IL1 IL2 IL3 CTs CURRENT INPUTS P1 S1 S2 P2 C2 C3 C4 C5 C6 79 IN3 Select 79 Enable 79 Ext...

Page 93: ...C7 C8 RS232 FRONT PANEL A13 IN1 IN2 IN3 A14 A15 A16 A17 A18 UAUX A19 A20 A22 A21 B E1 RS485 1 2 3 120 A DG 52a 52b UAUX UAUX UAUX UAUX 79 IN3 Select 79 Enable 79 External trip CB position OUTPUT RELA...

Page 94: ...24 230 V 1 2 3 4 5 NA011 xxx2 In 5A 1A 50 51 50N 51N CB OPEN CB CLOSED 79 5A UAUX 24 230 Vac dc IEn 1A 1A 5A 1 2 3 4 5 NA011 xxx3 I I n n Rated 50 500A Extended 50 1250A 50 51 50N 51N CB OPEN CB CLOS...

Page 95: ...Voltage Directive EMC Directive Reference of standards and or technical specifications applied for this declaration of conformity or parts thereof harmonized standards Reference n Issue Title EN 61010...

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