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Thytronic NA011 Manual

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NA011
PHASE & RESIDUAL OVERCURRENT,
AUTOMATIC RECLOSURE
PROTECTION RELAY
MANUAL
NA011 - Manual - 05 - 2022

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Summary of Contents for Thytronic NA011

  • Page 1 NA011 PHASE & RESIDUAL OVERCURRENT, AUTOMATIC RECLOSURE PROTECTION RELAY MANUAL NA011 - Manual - 05 - 2022...

  • Page 2: Table Of Contents

    Power supply board ..................................... 20 CPU board ........................................21 Input board ........................................21 MMI (keyboard, LED and display) ................................21 4.2 SOFTWARE DESCRIPTION ....................................22 Kernel ..........................................22 Drivers ..........................................22 Application........................................22 Base protocol (kernel) ....................................22 Calibration (kernel) ......................................22 NA011 - Manual - 05 - 2022...
  • Page 3 Phase overcurrent 50/51 - Extremely inverse time curve (IEC 60255-3/BS142 type C) ..............74 Residual overcurrent 50N/51N - Standard inverse time curve (IEC 60255-3/BS142 type A) ............75 Residual overcurrent 50N/51N - Very inverse time curve (IEC 60255-3/BS142 type B) ..............76 NA011 - Manual - 05 - 2022...
  • Page 4 8.4 APPENDIX B1 - I/O Diagram ..................................88 8.5 APPENDIX B2 - Interfaces ..................................... 89 8.6 APPENDIX B3 - Connection diagrams ................................. 90 8.7 APPENDIX C - Dimensions ....................................94 8.8 APPENDIX D- EC Declaration of conformity ..............................95 NA011 - Manual - 05 - 2022...

  • Page 5: Introduction

    I N T R O D U C T I O N Scope and liability This document describes the functions, the technical data of NA011 devices; instructions for mount- ing, setting and commissioning are included. This manual has been checked out, however, deviations from the description cannot be completely ruled out, so that no liability in a legal sense for correctness and completeness of the information or from any damage that might result from its use is formally disclaimed.

  • Page 6: Product Identification

    • Test label with following informations: data, serial number and test operator signature. Environment The NA011 device must be employed according to the environment conditions shown (see technical data). In case of different environment conditions, appropriate provisions must be provided (conditioning system, humidity control, etc...).
  • Page 7 MMI (Man Machine Interface) Operator front panel ThyVisor Setting and monitoring software Log file A text file that lists actions that have occurred (ThyVisor). J2SE Java Platform Standard Edition Software Firmware Upgrade Firmware upgrade eXtensible Markup Language NA011 - Manual - 05 - 2022 INTRODUCTION...
  • Page 8 ON delay timer with reset ( delay) OUTPUT RESET RESET INPUT ON delay timer without reset ( delay) OUTPUT INPUT DROP OFF delay timer (dropout) without reset ( delay) DROP DROP OUTPUT Symbols.ai NA011 - Manual - 05 - 2022 INTRODUCTION...
  • Page 9 DROP INPUT Minimum pulse width operation for output relays ( OUTPUT INPUT Latched operating mode for output relays and LEDs Latched OUTPUT INPUT Pulse operating mode for output relays OUTPUT Symbols1 .ai NA011 - Manual - 05 - 2022 INTRODUCTION...

  • Page 10: General

    G E N E R A L Preface The relay type NA011 can be used in radial networks as feeder or power transformer protection. In solidly grounded systems the residual overcurrent protection can be used on feeders of any length,...

  • Page 11: Main Features

    (start-trip). • The event recorder (SER) runs continuously capturing in circular mode the last three hundred events upon trigger of binary input/output. • Digital fault recorder (DFR) in COMTRADE format (oscillography). NA011 - Manual - 05 - 2022 GENERAL...

  • Page 12: Technical Data

    • Air discharge 8 kV Reference standards EN 60255-22-3 IEC 60255-22-3 EN 61000-4-3 IEC 61000-4-3 Radiated radio-frequency fields • 80...1000 MHz AM 80% 10 V/m • 900 MHz Pulse modulated 10 V/m NA011 - Manual - 05 - 2022 TECHNICAL DATA...

  • Page 13: Emission

    250 V Overvoltage category ‡ Certifications Reference standards Product standard for measuring relays EN 50263 CE Conformity • EMC Directive 2014/30/EU • Low Voltage Directive 2014/35/EU • Type tests IEC 60255-6 NA011 - Manual - 05 - 2022 TECHNICAL DATA...

  • Page 14: Input Circuits

    Note 1 The different versions must be select on order Note 2 The residual current input is available on NA011#xxx2 and NA011#xxx3 versions Note 3 - With “Trip-EXT” setting the selected relay (K1 ... K4) is driven when the binary input is powered Note 4 - With “79 Remote”...

  • Page 15: Mmi

    Note 2 The rated residual current settings doesn’t concern the 50N/51N protection elements; they must agree with nominal primary current of the CT inputs for a right reading of the residual current primary values (Reading Direct). For the NA011#xxx0 and NA011#xxx1 versions (no residual current input circuit), the parameter is meaningless NA011 - Manual - 05 - 2022...
  • Page 16 Asymptotic reference value: 1.1 I> Minimum operate time: 0.1 s Equation is valid for 1.1 ≤ I/I> ≤ 20 With I> pickup ≥ 2.5 I , the upper limit is 50 I NA011 - Manual - 05 - 2022 TECHNICAL DATA...

  • Page 17: Residual Overcurrent - 50N/51N

    > : pickup value > : operate time setting Asymptotic reference value: 1.1 I > Minimum operate time: 0.1 s Equation is valid for 1.1 ≤ I > ≤ 20 NA011 - Manual - 05 - 2022 TECHNICAL DATA...
  • Page 18 >> : pickup value >> : operate time setting Asymptotic reference value: 1.1 I >> Minimum operate time: 0.1 s Equation is valid for 1.1 ≤ I >> ≤ 20 NA011 - Manual - 05 - 2022 TECHNICAL DATA...

  • Page 19: Control And Monitoring

    Note 2 - With “Trip-EXT” programming, when the binary input is activated the selected output relay (K1 ... K4) is driven Note 3 -With “79 Remote” programming, when the binary input is activated the reclosing cycle is started (trigger from external protective device) NA011 - Manual - 05 - 2022 TECHNICAL DATA...

  • Page 20: Function Characteristics

    The circuit board additionally comprises: INPUT CIRCUITS: • Three binary input circuits, The logical input circuits and the block circuits include photo-couplers which provide for galvanic separation. OUTPUT CIRCUITS: • Four output relays (K1...K4). NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 21: Cpu Board

    MMI (keyboard, LED and display) The MMI module (Man Machine Interface) includes: • An eight keys 8 keyboard, • A backlight 16x2 LCD display, • Eight signalling LEDs, • RS232 communication port. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 22: Software Description

    This handles the menus, available both on the panel and by means of Modbus messages, which may be run from commands using the keyboard, LEDs and LCD display. MMI information is stored in EEPROM and may be loaded remotely by means of the basic protocol functions. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 23: Data Base (Application/Drivers)

    Xml files used for communication. The automatic code generation criteria ensures the quality of the result in terms of the reusability, verifiability and maintainability of the software life cycle. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 24: I/O Description

    IE. a i Note 1 The residual current input is available on NA011#xxx2 and NA011#xxx3 versions; when input is unavailable (NA011#xxx1 version), the residual current is calculated by the vector sum of the three phase currents, measured by three 1A or 5A CTs or by three LPCT type sensors.

  • Page 25: Use Of Measured Values

    Note 1 In versions with CT input, the residual current is available as a direct measure I , while versions without residual current input the residual current is only available as a calculated measure NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 26: Binary Inputs

    IN3 t O F F 79 Remote n.c. IN1 t IN1 t Reclosing (79) n.o. Binary input IN3 Binary input allocation for trip acquisition from external protection device to automatic reclosing starting 79-ext.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 27 Binary input allocation for CB Open command CB-open.ai CB Close The CB close command can be carry out by means of a remote command. CB Close command CB Close Binary input allocation for CB Close command CB-open.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 28: Output Relays

    - No-latched , in order that it stays ON for normal conditions and the other way round it goes OFF if any fault is detected and/or the auxiliary supply turns OFF. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 29: Led Indicators

     Note 1 The slow flashing (4 Hz) of LED 5 shows the status of reclosing is in progress, while the fast flashing (10 Hz) shows the status of failed reclosure NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 30: Communication Interfaces

    IEC 60870-5-103 (Protection equipment) is available together the Modbus protocol on some version of Pro-n devices (code NA011#xCxx). Note 1 After installation, the same communication port must be selected to define the ThyVisor parameters (typically COM4, COM5,...).

  • Page 31: Protective Elements

    ” paragraph. • Relay residual nominal current I • For NA011#xxx2 versions, the rated 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 the CPU board; the exhaustive treatment of Dip setup is described in the “6.4 SETTING NOMINAL CURRENTS I...
  • Page 32 = 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. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 33: Phase Overcurrent - 50/51

    Timers-F50-51.ai Note 1 When the input value is more than 20 times the set point , the operate time is limited to the value corresponding to 20 times the set point NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 34 CB OPEN CB CLOSED CB OPEN 0.1 s CLP> Output t CLP> HIGH THRESHOLD/ LOW THRESHOLD/ HIGH THRESHOLD/ BLOCK UNBLOCK BLOCK Phase overcurrent (50/51) - First element logic diagram (I>) Fun_50-51S1.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 35 CB OPEN CB CLOSED CB OPEN 0.1 s CLP>>> Output t CLP>>> HIGH THRESHOLD/ LOW THRESHOLD/ HIGH THRESHOLD/ BLOCK UNBLOCK BLOCK Phase overcurrent (50/51) - third element logic diagram (I>>>) Fun_50-51S3.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 36: Residual Overcurrent - 50N/51N

    1 A or 5 A through DIP-switches or, Calculated for NA011#xxx0 and NA011#xxx1 versions by the vector sum of the three phase currents, measured by three 1A or 5A CTs or by three LPCT type sensors.
  • Page 37 CB OPEN CB CLOSED CB OPEN 0.1 s ECLP> Output t ECLP> HIGH THRESHOLD/ LOW THRESHOLD/ HIGH THRESHOLD/ BLOCK UNBLOCK BLOCK Residual overcurrent (50N/51N) - First element logic diagram (IE>) Fun_50N-51NS1.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 38 CB CLOSED CB OPEN 0.1 s >> ECLP Output t >> ECLP HIGH THRESHOLD/ LOW THRESHOLD/ HIGH THRESHOLD/ BLOCK UNBLOCK BLOCK Residual overcurrent (50N/51N) - Second element logic diagram (IE>>) Fun_50N-51NS2.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 39: Breaker Failure - Bf

    S t ar t B F Tr ip General logic diagram of the breaker failure element - BF all-FBF.ai and BF Enable parameters are available inside the Set \ Breaker failure-BF menu. The t NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 40: Control And Monitoring

    Circuit breaker commands By means of the (Open) and (Close) keys the circuit breaker command may be issued. The committed output relays must be enabled inside the Set \ Relays menu. NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 41: Automatic Reclosure - 79

    Slow reclosure dead time • t Reclaim time • t Slow reclosure fault discrimination time Note 1 The CB state acquisition must be enabled; if CB check = None the 79 function is disabled NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 42 Note 2 The reclosing waiting time is calculated from the first event that is detected between the reset of the trip element and the open state acquisition of the circuit breaker NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 43 CB State CB CLOSED CB OPEN CB CLOSED CB OPEN CB CLOSED CB CLOSED Reclaim timer Discrimination timer Failed reclosure Rapid reclosure over a fault and subsequent slow and delayed reclosures 79RLM-diafram.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...
  • Page 44 (79-MO-RES=ON). CB State CB CLOSED CB OPEN CB CLOSED CB OPEN CB CLOSED CB OPEN Reclaim timer CB manual open 79-MO-RES Reset cycle from CB manual open command MO-RES-diagram.ai NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 45: Test

    Note 1 The test is performed (LED) even if the concerning element is assigned to almost one output relay Note 2 The test is performed (LED & relays) even if the concerning element is assigned to almost one output relay NA011 - Manual - 05 - 2022 FUNCTION CHARACTERISTICS...

  • Page 46: Measures, Logic States And Counters

    Note 2 Fault 0 is the newest event, while the Fault 19 is the oldest event Note 3 Counter is updated at any new record; it may be cleared by means ThyVisor NA011 - Manual - 05 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 47: Info

    Note 2 Counter is updated at any new record; it may be cleared by means ThyVisor Note 3 The Programmable Logic Controller requires a licence; to purchase it please contact Thytronic. Note 4 As all settings, the settings take effect only after sending the Store command...
  • Page 48 • Digital channel: • Pre-trigger: 1 T (20 ms) the stored record length of the two records with f = 50 Hz is 640 ms Oscillographic recorder example oscillo-phase.ai NA011 - Manual - 05 - 2022 MEASURES, LOGIC STATES AND COUNTERS...

  • Page 49: Installation

    102.5 ±0.3 START TRIP N.4 fori ø 3.5 • Remove the upper tile and open the little door to access the fastening screws. Removing tie to access the fastening screws Remove-tile.ai NA011 - Manual - 05 - 2022 INSTALLATION...
  • Page 50 482.6 START START START START TRIP TRIP TRIP TRIP Rack mounting Rack-mount.ai To allow opening of the keyboard door a one unit space must be provided when several rack are overlapping mounted. NA011 - Manual - 05 - 2022 INSTALLATION...

  • Page 51: Electrical Connections

    Examples of connection diagrams are reported on Appendix to this manual. CAUTION Devices must be installed by qualified personnel only. No liability is accepted from Thytronic due to improper use. For the A1...A22 and E1...3 (RS485) connections, screw terminals with following characteristics are available: •...
  • Page 52 Fig. 2a Fig. 2b Fig. 2c Current balanced transformer Toroide.ai Note 1 Use of a toroid is recommended when high sensitivity is required (NA011#xxx2 and NA011#xxx3 versions NA011 - Manual - 05 - 2022 INSTALLATION...
  • Page 53 LPCT amperometric inputs The amperometric input are designed for Low Power Current Transformer with 100 A - 22.5 mv ratio. Connections to NA011 device must be carried out by means RJ45 plugs, forming a part of the Trans- former. Note 1 The A21 and A22 terminal are link together inside the relay Nota 2 For technical data please call Thytronic.
  • Page 54 (about current, nominal voltage, make and break current , etc..). All contacts are shown in de-energized state for standard reference RS232 port The link from PC and NA011 serial port must be established by means a L10041 cable. Female connector USB-RS232 converter...
  • Page 55 It is recommended to terminate the line at the extremities of the same; this must be performed on the RS485 line control unit and on the NA011 device placed at the furthest point connecting the specially provided resistor; termination can be made by means a jumper between the E1-E2 terminals.

  • Page 56: Nominal Current I

    SETTINGS Factory default settings: • Nominal phase current I : 5 A (NA011#xxx0 and NA011#xxx2 versions) • Nominal residual current I : 1 A (NA011#xxx2 and NA011#xxx3 versions) To modify settings, the dip-switches placed on the front board must be changed (the case must be open).
  • Page 57 Dip-switch localization concerning the nominal current setting inside the front board Note1 On NA011#xxx0 and NA011#xxx1 versions (without residual input circuit), the IE setting is not meaningful. Place switches 1 ... 4 according to the number on the printed circuit board (not considering the numbers on the component)

  • Page 58: Nominal Current I N Setting For Lpct

    • Primary nominal phase current I : 300 A • Nominal residual current I : 1 A (NA011#xxx2 and NA011#xxx3 versions as shown in the previous pages) To modify the phase rated currents, the dip-switches placed on the rear panel must be set...

  • Page 59: Programming And Settings

    SW ThyVisor The ThyVisor sw is a “browser” of data (setting, measure, etc..); it implements an engine that is afford to rebuild the menu set up and the relationships to data concerning all Thytronic protective relays by means of XML files.

  • Page 60: Mmi (Man Machine Interface)

    “E” flashing in the upper right area of the display. • Change the parameter by means the Up (increment) or Down (decrement) buttons. Note 1 Setting changes are enabled when the La mEnabling setting by MMI parameter is set NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...

  • Page 61: Test

    • Test I>> led • Test I>>> led • Test IE> led • Test IE>> led • Test I> full • Test I>> full • Test I>>> full • Test IE> full NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...

  • Page 62: Communication

    The committed output relays must be enabled inside the Set \ Relays menu. Note 1 The tests are active only if the selected function is assigned to an output relay NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...

  • Page 63: Menu Tree

    | Fail ext Circuit breaker Position Unknown | Open | Closed | Alarm Digital inputs IN1 input OFF | ON IN2 input OFF | ON IN3 input OFF | ON NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 64 1 ... 31 step = 1 F - Hour 0 ... 23 step = 1 F - Minute 0 ... 59 step = 1 F - Second 0 ... 59 step = 1 NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 65 Run | 79 Fail | CB Close | CB Open | Self Test CB K1 logic De-energized | Energized K1 mode No-latched | Latched K1 tTR 10 ... 500 step = 10 NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 66 10.0 ... 20.0 step = 0.1 ICLP>def 0.100 ... 0.999 step = 0.001 1.00 ... 9.99 step = 0.01 10.0 ... 20.0 step = 0.1 t>def 0.03 ... 10.00 step = 0.01 NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 67 0.005 ... 0.999 step = 0.001 1.00 ... 5.00 step = 0.01 tE>def 0.03 ... 10.00 step = 0.01 IE> Inverse IE>inv 0.005 ... 0.999 step = 0.001 1.00 ... 2.00 step = 0.01 NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 68 | measure IL3 | measure IE Analog channel 4 OFF | iL1 | iL2 | iL3 | iE | measure IL1 | measure IL2 | measure IL3 | measure IE NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...
  • Page 69 Test I> no-TR Test I>> no-TR Test I>>> no-TR Test IE> no-TR Test IE>> no-TR Test I> TR Test I>> TR Test I>>> TR Test IE> TR Test IE>> TR NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...

  • Page 70: Maintenance

    NA011 - Manual - 05 - 2022 SETTING AND COMMISSIONING...

  • Page 71: Appendix

    Nota 3 With setting more than 2.5 In for the 50/51 elements and 0.5 IEn for the 50N/51N elements, the upper limit of the measuring range is limited to 50 In and 10 IEn respectively. NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 72: Phase Overcurrent 50/51 - Standard Inverse Time Curve (Iec 60255-3/Bs142 Type A)

    = 0.2 s t> = 0.1 s t> = 0.02 s 0.01 I /I>inv 7 8 9 10 Note: match of operating and setting time takes place when I/I> = 700 F_51-IECA-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 73: Phase Overcurrent 50/51 - Very Inverse Time Curve (Iec 60255-3/Bs142 Type B)

    = 0.1 s t> = 0.2 s t> = 0.02 s 0.01 I /I>inv 7 8 9 10 Note: match of operating and setting time takes place when I/I> = 14.5 F_51-IECB-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 74: Phase Overcurrent 50/51 - Extremely Inverse Time Curve (Iec 60255-3/Bs142 Type C)

    = 0.1 s t> = 0.2 s t> = 0.5 s I /I >inv 0.01 7 8 9 10 Note: match of operating and setting time takes place when I/I> F_51-IECC-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 75: Residual Overcurrent 50N/51N - Standard Inverse Time Curve (Iec 60255-3/Bs142 Type A)

    0.5 s 0.2 s 0.1 s 0.02 s >inv 0.01 >>inv 7 8 9 10 Note: match of operating and setting time takes place when I > or I >> = 700 F_51N-IECA-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 76: Residual Overcurrent 50N/51N - Very Inverse Time Curve (Iec 60255-3/Bs142 Type B)

    0.5 s 0.1 s 0.2 s 0.02 s >inv 0.01 7 8 9 10 >>inv Note: match of operating and setting time takes place when I > or I >> = 14.5 F_51N-IECB-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 77: Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (Iec 60255-3/Bs142 Type C)

    10 s 0.02 s 0.1 s 0.2 s 0.5 s >inv >>inv 0.01 7 8 9 10 Note: match of operating and setting time takes place when I > or I >> F_51-IECC-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 78: Appendix A2 - Inverse Time Ansi/Ieee Curves

    Nota 3 With setting more than 2.5 In for the 50/51 elements and 0.5 IEn for the 50N/51N elements, the upper limit of the measuring range is limited to 50 In and 10 IEn respectively. NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 79: Phase Overcurrent 50/51 - Moderately Inverse Time Curve (Ansi/Ieee Type Mi)

    = 0.5 s t> = 0.2 s t> = 0.02 s 0.01 I /I >inv 7 8 9 10 Note: match of operating and setting time takes place when I/I> = 1.664 F_51-ANSIMI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 80: Phase Overcurrent 50/51 - Very Inverse Time Curve (Ansi/Ieee Type Vi)

    = 0.2 s t> = 0.5 s = 1 s t> 0.01 I /I >inv 7 8 9 10 Note: match of operating and setting time takes place when I/I> = 2.306 F_51-ANSIVI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 81: Phase Overcurrent 50/51 - Extremely Inverse Time Curve (Ansi/Ieee Type Ei)

    = 0.5 s = 5 s > > = 1 s 0.01 >inv 7 8 9 10 Note: match of operating and setting time takes place when I > = 2.789 F_51N-ANSIEI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 82: Residual Overcurrent 50N/51N - Moderately Inverse Time Curve (Ansi/Ieee Type Mi)

    0.1 s 0.5 s 0.2 s 0.02 s >>inv 0.01 >inv 7 8 9 10 Note: match of operating and setting time takes place when I > or I >> = 1.664 F_51N-ANSIMI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 83: Residual Overcurrent 50N/51N - Very Inverse Time Curve (Ansi/Ieee Type Vi)

    0.02 s 0.1 s 0.2 s 0.5 s >inv 0.01 >>inv 7 8 9 10 Note: match of operating and setting time takes place when I > or I >> = 2.306 F_51N-ANSIVI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 84: Residual Overcurrent 50N/51N - Extremely Inverse Time Curve (Ansi/Ieee Type Ei)

    0.1 s 10 s 0.2 s 0.5 s 0.01 >inv 7 8 9 10 Note: match of operating and setting time takes place when I > or I >> = 2.789 F_51N-ANSIEI-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 85: Appendix A3 - Inverse Time I T Curves

    Nota 3 With setting more than 2.5 In for the 50/51 elements and 0.5 IEn for the 50N/51N elements, the upper limit of the measuring range is limited to 50 In and 10 IEn respectively. NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 86: Phase Overcurrent 50/51 - I T Inverse Curves (I2T=K)

    = 1 s t> = 0.5 s t> = 0.2 s t> = 0.02 s t> = 0.1 s 0.01 Note: match of operating and setting time takes place when I/I> F_51-I2t-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 87: Residual Overcurrent 50N/51N - I T Inverse Curves (I2T=K)

    = 0.02 s >> = 0.02 s > = 0.1 s >> = 0.1 s >inv 0.01 >>inv Note: match of operating and setting time takes place when I > or I >> F_51N-I2t-Char.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 88: Appendix B1 - I/O Diagram

    All diagram must be considered just as example; they cannot be comprehensive for real applications. For all diagrams the output contacts are shown in de-energized state for standard reference. The residual current input (pin C7-C8) is available on NA011#xxx2 and NA011#xxx3 versions Traditional CT input circuits...

  • Page 89: Appendix B2 - Interfaces

    APPENDIX B2 - Interfaces FRONT PANEL 120Ω Interfaces.ai NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 90: Appendix B3 - Connection Diagrams

    50N/51N NA011#xxx2 50N/51N Circuit Breaker CB position Position 79 IN3 Select alternative versions to be selected when ordering NA011 - Manual - 05 - 2022 APPENDIX Three phase CTs and residual current from core balanced CT (NA011#xxx2) or calculated (NA011#xxx0)
  • Page 91 Note 1: when only two phase CTs are available, the residual current must be measured (cannot be calculated from the phase currents) Two phase CTs and residual current from core balanced CT NA016-SCH2.ai NA011 - Manual - 05 - 2022 APPENDIX...
  • Page 92 Example of connection diagram with traditional CT inputs and acquisition of CB states and Auto Reclose enable/start † NA011#xxx0 50N/51N NA011#xxx2 50N/51N CB position 79 Enable/79 External trip 79 IN3 Select ≅ FRONT PANEL 120Ω alternative versions to be selected when ordering NA011 - Manual - 05 - 2022 APPENDIX...
  • Page 93 100 A 200 A 400 A 800 A In=50...1250A NA011#xxx1 50N/51N NA011#xxx3 50N/51N CB position 79 Enable/79 External trip 79 IN3 Select ≅ FRONT PANEL 120Ω alternative versions to be selected when ordering NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 94: Appendix C - Dimensions

    CB CLOSED Trip NA011#xxx0 NA011#xxx2 Rated 50...500A Rated 50...500A Extended 50...1250A Extended 50...1250A 24-230 V 24-230 V 1A 1A 50-51 50-51 50N-51N 50N-51N CB OPEN CB OPEN CB CLOSED CB CLOSED NA011#xxx1 NA011#xxx3 NA011 - Manual - 05 - 2022 APPENDIX...

  • Page 95: Appendix D- Ec Declaration Of Conformity

    Piazza Mistral 7 - 20139 MILANO The undersigned manufacturer herewith declares that the product Protection relay - type NA011 is in conformity with the previsions of the following EC directives (including all applicable amendments) when installed in accordance with the installation instructions: Reference n°...

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