Alstom MX3EG1A Technical Manual
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Alstom MX3EG1A Technical Manual

Alstom MX3EG1A Technical Manual

Automatic synchronizer
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Summary of Contents for Alstom MX3EG1A

  • Page 1 MX3EG1A  MX3EG1A   Aut  Autom omati atic Synch nchron roniz izer...
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  • Page 4: Table Of Contents

    MDE/A133 2295 001 MDE/A133 2295 001 MX3EG1A  MX3EG1A  SUMMARY SUMMARY TECHNICAL TECHNICAL DATA DATA ............
  • Page 5 MDE/A133 2295 001 MX3EG1A  6. LCD MENU STRUCTURE ..............14 6.1 MAIN READING MENU .

  • Page 6: Technical Data

    MDE/A133 2295 001 MX3EG1A   possibility of selecting, for each LED, the monostable or 1. TECHNICAL DATA bistable operating mode (stored) The device belongs to the Modulex 3 line, and processes with a  optoinsulated digital inputs which can be programmed for numerical technique two phase voltages to provide the automatic control and reset functions.
  • Page 7 < 1.03 Max.frequency drop-out thresholds: (threshold - 0.01) Hz Auxiliary power supply Min.frequency drop-out thresholds: (threshold + 0.01) Hz ≤ versions MX3EG1A.11, .61 and .71 drop-out time: 50 ms ≤ Uaux: 19 ÷ 100 Vcc idle time (overshoot): 30 ms Uaux: 19 ÷...

  • Page 8: General Characteristics

    MDE/A133 2295 001 MX3EG1A  2. GENERAL CHARACTERISTICS 3. OPERATION The device features a mechanical casing that is 4 U in height and 3.1 Parallel sequence start as wide as to allow up to 4 pieces to be accommodated in a 19"...

  • Page 9: Frequency Regulator

    MDE/A133 2295 001 MX3EG1A  3.3 Frequency regulator 3.4 Load pulse and parallel command When none of the following thresholds: DUb, DUg, DU, Dfb, Dfg, 3.3.1 Max. deviation rated frequency/ bar frequency Df, Dp is tripping, the protection sends a parallel command with The device works by comparing the fb bar frequency with the fn a pulse duration equal to tc;...

  • Page 10: Main And Spare Settings

    MDE/A133 2295 001 MX3EG1A  3.5.3 DB dead-bar mode ON-CHECK 4. ADDITIONAL FUNCTIONS The device checks that the generator frequency and voltage lie 4.1 Diagnostics within the limits defined by Dfb and DUb: if these do not lie within Diagnostic activities are envisaged which are automatically carried...

  • Page 11: Led Signalling Circuits

    MDE/A133 2295 001 MX3EG1A  4.3 LED signalling circuits 4.6 Event log The signalling circuits are made up of twelve LEDs (see fig. 3). When an event occurs, the following information is stored in Four LEDs are strictly assigned to previously established signalling...

  • Page 12: Alphanumeric Code

    MDE/A133 2295 001 MX3EG1A  (TM) 4.9 Alphanumeric code 4.13 Serial communication on LONWORKS The device can be identified in the system by an alphanumeric In the version including the bus board, the device can communicate code, which can be set by the user directly on the equipment code with a central monitoring and control system at a speed of 1.2 5...
  • Page 13 Devices with 2.00 and higher software versi ons can feature three been added : different kinds of communication: - no communication board relay type [MX3EG1A (version MX3EG1A .11 and .12); software version [Sw Vers 2.00/01] (TM) - LonWorks communication board ñ...

  • Page 14: Local Interface

    MDE/A133 2295 001 MX3EG1A  It allows the menu to be scrolled to the 5. LOCAL INTERFACE left and the value to change to be selected if the settings change function ï is enabled. [ It allows the stored LEDs indications to...

  • Page 15: Lcd Menu Structure

    MDE/A133 2295 001 MX3EG1A  - Twelve LEDs, four of which are rigorously associated with 6. LCD MENU STRUCTURE general functions. 6.1 MAIN READING MENU - A four-pin connector in compliance with FCC 68. By means of a special optoelectrical adapter, an optical fibre...

  • Page 16: Changing Date And Time

    MDE/A133 2295 001 MX3EG1A  ò ñ c) By pressing the key the stored language menu is ò  j) By pressing the key the date-change function is enabled and scrolled. For the purpose of our example, we mus t stop when the...

  • Page 17: Displaying Spare Settings

    MDE/A133 2295 001 MX3EG1A  frequency regulation mode 6.1.6 Displaying current measurements frequency regulation pulse time tfpu ò ñ a) Press the key until the display shows: frequency regulation min. pause time tfpa MEASUREMENTS frequency regulation max. pause time tfpm load pulse mode...

  • Page 18: Displaying Events

    MDE/A133 2295 001 MX3EG1A  total trips caused by LB or DB synchronization sequence (ON- no. of parallel attempts at the time of the even t CHECK) interrupted by external event EXT1 Ns_E EXT1 T The causes that lead to an event are those listed in the previous...

  • Page 19: Displaying Leds

    MDE/A133 2295 001 MX3EG1A  ò ñ ï By pressing the keys you can scroll the submenu until the c) By pressing the key anywhere in the submenu, you go back digital inputs are displayed which are associated with the different to the main reading menu: functions.

  • Page 20: Main Setting Change Menu

    MDE/A133 2295 001 MX3EG1A  The following table describes the correspondence between the The access priority for the setting change function among PC, fault code and the fault nature: network and keyboard is of time-dependent. C ode type of fault During the setting change operations the device continues on coil relay X1 interrupted or relative driver working using the old settings.

  • Page 21: Selecting Current Setting Group

    MDE/A133 2295 001 MX3EG1A  ò ñ If a setting change is made when the system is 'forced' from the By pressing the key the selected number is increased or decreased until the desired value is reached; in our example, by outside, the following message will be displayed for a few seconds: ò...

  • Page 22: Setting Digital Inputs

    MDE/A133 2295 001 MX3EG1A  ð Each position after the X letter corresponds to an output relay. b) By pressing the key you enter the LED setting submenu containing the parameters already listed in paragrap h 6.1.11. More relays can be associated with the same function.

  • Page 23: Test Menu

    MDE/A133 2295 001 MX3EG1A  6.3 TEST MENU 7. APPLICATION AND USE This useful and versatile device allows the automatic parallel of By pressing the two keys for at least two generators of any type and dimensions to be carried out.

  • Page 24: Installation - Transport

    MDE/A133 2295 001 MX3EG1A  8. INSTALLATION - TRANSPORT 9. SETTING THE UNIT AT WORK The device is supplied with factory s ettings and configurations as 8.1 ESD electrostatic charges indicated in tables A, B and C (factory settings). The device uses electronic components that are sensitive to These settings may prove not to suit the specific plant where the electrostatic charges;...
  • Page 25 MDE/A133 2295 001 MX3EG1A  In any case, it is advisable to carry out the following tests: Feeder test - Check that the burden of the auxiliary voltage circuit falls within 5 and 10W as regards d.c. supply, and within 10 and 20VA as regards a.c.
  • Page 26 MDE/A133 2295 001 MX3EG1A  NORMALLY DE-ENERGIZED RELAYS NORMALLY ENERGIZED RELAYS Jumper position Jumper position RELAY RELAY FRONT FRONT fig. 2a fig. 2b pag. 25...
  • Page 27 MDE/A133 2295 001 MX3EG1A  fig. 3 pag. 26...
  • Page 28 MDE/A133 2295 001 MX3EG1A  OVER-ALL DIMENSIONS The casing can also be placed in a 19" rack panel of R4MX3 type, 4U in height DRILL TEMPLATE TERMINAL ARRANGEMENT fig. 4 pag. 27...
  • Page 29 MDE/A133 2295 001 MX3EG1A  WARNING: Factory settings may prove not to suit the plant. Therefore, the device must be configured anew on installation. Table A - FACTORY SETTINGS RELAY CONTROL MATRIX LEDS DESCRIPTION FUNCTION frequency-increase command frequency-decrease command voltage-increase command...
  • Page 30 MDE/A133 2295 001 MX3EG1A  WARNING: Factory settings may prove not to suit the plant. Therefore, the device must be configured anew on installation. Table C - FACTORY SETTINGS TABLE OF SETTINGS SPARE DESCRIPTION FUNCTION MAIN VALUE VALUE  / /  rated frequency...
  • Page 31 MDE/A133 2295 001 MX3EG1A  Table D RELAY CONTROL MATRIX LEDS DESCRIPTION FUNCTION frequency-increase command frequency-decrease command voltage-increase command voltage-decrease command 52-parallel breaker closing command  / bar frequency out of tolerance >fb<  / generator frequency out of tolerance >fg<  / bar voltage out of tolerance >Ub<...
  • Page 32 MDE/A133 2295 001 MX3EG1A  Table F TABLE OF SETTINGS DESCRIPTION FUNCTION MAIN SPARE VALUE VALUE rated frequency  / /  bar rated voltage generator rated voltage closing pulse time breaker closing time max. number of parallel sequence attempts closing interval min. time parallel sequence max.

  • Page 33: Appendix A - Network Data Exchange

    MDE/A133 2295 001 MX3EG1A  APPENDIX A - Network data exchange DESCRIPTION DIRECTION TIMING Identification trade name (12 characters) relay —> centre software version (format x.xx) relay —> centre user name (16 characters) relay —> centre Settings data (main and spare) group of settings in use relay —>...
  • Page 34 MDE/A133 2295 001 MX3EG1A  DESCRIPTION DIRECTION TIMING Event chronogical recorder relay —> centre VP and AR date and time (00AAMMGG HHMMSSCC in BCD notation) relay —> centre VP and AR LB starts failed due to out-of-tolerance parameters f/U relay —> centre...
  • Page 35 MDE/A133 2295 001 MX3EG1A  DESCRIPTION DIRECTION TIMING LEDs configuration L1 relay —> centre —> relay configuration L2 relay —> centre —> relay configuration L3 relay —> centre —> relay configuration L4 relay —> centre —> relay configuration L5 relay —> centre —> relay configuration L6 relay —>...
  • Page 36 MDE/A133 2295 001 MX3EG1A  DESCRIPTION DIRECTION TIMING Clock date (format: 00AAMMGG in BCD notation) centre —> relay time (format: 00HHMMSS in BCD notation) centre —> relay date (format: 00AAMMGG in BCD notation) relay —> centre time (format: 00HHMMSS in BCD notation) relay —>...
  • Page 37 MDE/A133 2295 001 MX3EG1A  Appositely left blank pag. 36...
  • Page 38 Features, dimensions and diagrams, are subject to previous confirmation of ALSTOM T&D Protection & Côntrole...

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