Related Manuals for MICROELETTRICA MC30-R2
Summary of Contents for MICROELETTRICA MC30-R2
- Page 1 MC30-R2 MO-0462-ING Doc. N° MICROPROCESSOR OVERCURRENT and EARTH FAULT RELAY with AUTORECLOSE TYPE OPERATION MANUAL Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag.
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Page 2: Table Of Contents
MC30-R2 MO-0462-ING Doc. N° 1. General Utilization and Commissioning Directions _________________________________________________________ 3 1.1 - Storage and Transportation _____________________________________________________________________ 3 1.2 - Installation __________________________________________________________________________________ 3 1.3 - Electrical Connection ___________________________________________________________________________ 3 1.4 - Measuring Inputs and Power Supply _______________________________________________________________ 3 1.5 - Outputs Loading ______________________________________________________________________________ 3 1.6 - Protection Earthing ____________________________________________________________________________ 3... -
Page 3: General Utilization And Commissioning Directions
MC30-R2 MO-0462-ING Doc. N° 1. General Utilization and Commissioning Directions Always make reference to the specific description of the product and to the Manufacturer's instruction. Carefully observe the following warnings. 1.1 - Storage and Transportation Must comply with the environmental conditions stated in the product's specification or by the applicable IEC standards. -
Page 4: Maintenance
MC30-R2 MO-0462-ING Doc. N° 1.10 - Maintenance Make reference to the instruction manual of the Manufacturer; maintenance must be carried-out by specially trained people and in strict conformity with the safety regulations. 1.11 - Waste Disposal of Electrical & Electronic Equipment (Applicable throughout the European Union and other European countries with separate collection program). -
Page 5: General
MC30-R2 MO-0462-ING Doc. N° 2. General The MC is a very innovative and versatile line of Protective Relays which takes advantage of the long and successful experience coming from the M-Line. The main features of the MC-Line relays are: Compact draw-out execution for Flush Mounting or for assembly in 19” 3U chassis for 19” Rack systems. -
Page 6: Operation And Algorithms
MC30-R2 MO-0462-ING Doc. N° 2.2 - Operation and Algorithms 2.2.1 - Reference Input Values Display Description Setting Range Step Unit Rated Primary current of phase C.T. 9999 Rated Secondary current of phase C.T. Reference primary current of the relay 9999... - Page 7 MC30-R2 MO-0462-ING Doc. N° 2.2.2.4 - Algorithm of the time current curves The Time Current Curves are generally calculated with the following equation : • • t(I) α ...
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Page 8: Time Current Curves Iec (Tu1029 Rev.0)
MC30-R2 MO-0462-ING Doc. N° 2.2.3 - Time Current Curves IEC (TU1029 Rev.0) Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag. -
Page 9: Time Current Curves Ieee (Tu1028 Rev.0)
MC30-R2 MO-0462-ING Doc. N° 2.2.4 - Time Current Curves IEEE (TU1028 Rev.0) Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag. -
Page 10: Functions And Settings (Function)
MC30-R2 MO-0462-ING Doc. N° 3. Functions and Settings (Function) The relay is provided with two groups of setting “ ” and “ ”. Group Functions T>, I>, I>>, IH, Io>, Io>>, IoH, BF, IRF, RCL, Osc, Comm, LCD. T>, I>, I>>, IH, Io>, Io>>, IoH, RCL. -
Page 11: Thermal Image Curves (Tu0445 Rev.0)
MC30-R2 MO-0462-ING Doc. N° 3.1.1 - Thermal Image Curves (TU0445 Rev.0) Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag. -
Page 12: I> (1F51) - First Overcurrent Protection Level
MC30-R2 MO-0462-ING Doc. N° 3.2 - I> (1F51) - First overcurrent protection level FuncEnab → Enable [Disable / Enable] Options → [D / A / B / C / MI / VI / I / EI / / SI ] →... -
Page 13: I>> (2F51) - Second Overcurrent Protection Level
MC30-R2 MO-0462-ING Doc. N° 3.3 - I>> (2F51) - Second overcurrent protection level FuncEnab → Enable [Disable / Enable] Options → Disable [Disable / Enable] → Disable [Disable / Enable] Enable [Disable / Enable] → [No / Yes] → →... -
Page 14: Ih (3F51) - Third Overcurrent Protection Level
MC30-R2 MO-0462-ING Doc. N° 3.4 - IH (3F51) - Third overcurrent protection level FuncEnab Enable [Disable / Enable] → Options → Disable [Disable / Enable] → Enable [Disable / Enable] → Enable [Disable / Enable] → [No / Yes] →... -
Page 15: Io> (1F51N) - First Earth Fault Protection Level
MC30-R2 MO-0462-ING Doc. N° 3.5 - Io> (1F51N) - First Earth Fault protection level FuncEnab → Enable [Disable / Enable] Options → [D / A / B / C / I / VI / EI / MI / SI ] →... -
Page 16: Io>> (2F51N) - Second Earth Fault Protection Level
MC30-R2 MO-0462-ING Doc. N° 3.6 - Io>> (2F51N) - Second Earth Fault protection level FuncEnab → Enable [Disable / Enable] Options → Disable [Disable / Enable] Enable [Disable / Enable] → → [No / Yes] [No / Yes] → →... -
Page 17: Bf (F51Bf) - Breaker Failure
MC30-R2 MO-0462-ING Doc. N° 3.8 - BF (F51BF) - Breaker Failure FuncEnab Enable [Disable / Enable] → Options → Relay1 Relay1 – Relay2 – Relay3 – Relay4 TripLev No Param No Parameters → Timers → 0.20 (0.05 0.75) step 0.01... -
Page 18: Rcl - Reclosing Function
MC30-R2 MO-0462-ING Doc. N° 3.10 - RCL - Reclosing function FuncEnab Enable [Disable / Enable] → Options → [1 / 2 / 3 / 4] TripLev No Param No Parameters → Timers → RCLtr (0.10 300) step → RCLt1 (0.10 ... - Page 19 MC30-R2 MO-0462-ING Doc. N° Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag.
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Page 20: Osc - Oscillographic Recording
MC30-R2 MO-0462-ING Doc. N° 3.11 - Osc - Oscillographic Recording FuncEnab → Enable [Disable / Enable] Options → Trip [Disable / Start / Trip / Ext.Inp.] TripLev → No Param No Parameters Timers tPre 0.30 step → (0.10 0.50) tPost 0.30... -
Page 21: Logic Blocking Of Functions
MC30-R2 MO-0462-ING Doc. N° 4. Logic Blocking of Functions 4.1 - Blocking Outputs The instantaneous element of each of the protection functions (1F50, 2F50, 3F50, 1F50N, 2F50N, 3F50N) can be programmed to control one of the Output Relays. This relay picks-up as soon as the input quantity exceeds the set trip level of the Protection Function and it automatically resets when the input quantity drops below the function reset level (95% of the trip level) or,... -
Page 22: Digital Inputs
MC30-R2 MO-0462-ING Doc. N° 6. Digital Inputs Three optoisolated, selfpowered Digital Inputs D1, D2, D3 are provided. A Digital Input is activated when its terminals are shorted by a cold contact. (terminals 22 - 19) : It is usable as Function Blocking Input... -
Page 23: Relay Management
MC30-R2 MO-0462-ING Doc. N° 8. Relay Management The relay can be totally managed locally, either by the RS232 communication port or by the 4 key buttons and the LCD display, or remotely via the communication bus RS485 connected to the rear terminal blocks. The 2 line x 8 characters LCD display shows the available information. -
Page 24: Signalizations
MC30-R2 MO-0462-ING Doc. N° 9. Signalizations Four signal leds are available on the Front Face Panel: Illuminated when C/B open status is detected. ❑ OPEN (Digital Input D3 Open) Illuminated when C/B close status is detected. ❑ (Digital Input D3 closed) CLOSED Flashing when Breaker Failure is detected. -
Page 25: Serial Communication Port
Note: any change of this setting becomes valid at the next power on. Each relay is identified by its programmable address code (NodeAd) and can be called from the P.C. A dedicated communication software (MSCom) for windows is available on www.microelettrica.com. Maximum length of the serial bus can be up to 200m. -
Page 26: Communication Port On Front Face Panel
MC30-R2 MO-0462-ING Doc. N° 11.2 - Communication Port on Front Face Panel This port is used for communication through the Front Face Panel between a local Lap-top PC. The physical link is RS232 by the standard female 9-pin D-sub connector available on the Front Face Panel. -
Page 27: Menu And Variables
MC30-R2 MO-0462-ING Doc. N° 12. MENU AND VARIABLES 12.1 - Real Time Measurements Scrolling display of the Real Time Measurements is the Default operation. Scrolling can be stopped at any of the measurements and restarted by pressing the Reset button... -
Page 28: Trip/Ev. (Event Recording)
MC30-R2 MO-0462-ING Doc. N° 12.4 – Trip/Ev. (Event Recording) The MC records any tripping and stores the information relevant to the last five tripping of protection functions (FIFO). Each event recording includes the following information. “Real Time Meas” “LastTrip” event, to scroll available events, to “Rec #”... -
Page 29: R/W Set (Programming / Reading The Relay Settings)
MC30-R2 MO-0462-ING Doc. N° 12.5 - R/W Set (Programming / Reading the Relay Settings) “Main Menu” select “Function” select among following sub menus: 12.5.1 - CommAdd (Communication Address) “CommAdd” “Add: #” “Password ????” (if not yet entered; see § Password) to select the Address (1-250) to validate. -
Page 30: Function (Functions)
MC30-R2 MO-0462-ING Doc. N° 12.5.4 - Function (Functions) “Function”, function, to scroll available Functions, to Read/Write setting of the selected function, to select the different definable fields - FuncEnab - TripLev - Options - Timers to access the selected field and read the actual setting of the relevant variable to modify the actual setting;... - Page 31 MC30-R2 MO-0462-ING Doc. N° Display Description Setting Range Step Default Function Type Variable Unit Value FuncEnab → Enable Enable of the protection function Enable/Disable (3F51N) Options → Disable Operation controlled by Blocking Digital Input Enable/Disable Enable Function operation triggers the oscillographic wave...
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Page 32: Relaycfg (Relay Configuration)
MC30-R2 MO-0462-ING Doc. N° 12.6 - RelayCfg (Relay Configuration) To associate one of the Output Relays to one or more functions : enter the menu “R/W Set”, select “Relay Cfg”, select the “Relay #” to be programmed, select “Link”; at this stage the list of the available functions is displayed. -
Page 33: Commands
MC30-R2 MO-0462-ING Doc. N° 12.7 - Commands “ Commands “ Control, to select other available control, to operate selected control. Display Description Clear Erase memory of Trip Counters, Event Records. Test Starts a relay diagnostic test Reset Reset after trip... -
Page 34: Keyboard Operational Diagram
MC30-R2 MO-0462-ING Doc. N° 13. Keyboard Operational Diagram Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag. -
Page 35: Password
OK button when the password is requested. 15. Maintenance No maintenance is required. In case of malfunctioning please contact Microelettrica Scientifica Service or the local Authorised Dealer mentioning the relay's Serial No reported in the label on relays enclosure. -
Page 36: Connection Diagram
MC30-R2 MO-0462-ING Doc. N° 17. Connection Diagram 18. Overall Dimensions Copyright 2012 FW: 1290.37.01.x Date 06.09.2022 Rev. Pag. -
Page 37: Direction For Pcb's Draw-Out And Plug-In
MC30-R2 MO-0462-ING Doc. N° 19. Direction for Pcb's Draw-Out and Plug-In 19.1 - Draw-Out Rotate clockwise the screws in the horizontal position of the screws-driver mark. Draw-out the PCB by pulling on the handle 19.2 - Plug-In Rotate clockwise the screws in the horizontal position of the screws-driver mark. -
Page 38: Electrical Characteristics
This publication may be subject to alteration without prior notice. Therefore, a printed copy of this document may not be the latest revision. Please contact your local representative for the latest update. The trademarks MS Microelettrica Scientifica, Knorr and Knorr-Bremse as well as the figurative mark “K” are registered. Copyright ©...
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