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ensto LYNX 4400 Installation And Operation Manual Download Page 1

 

NO. NX2010597/ NO. 72983_C

 

06/04/2021 

 

1 (35) 

 

 

Ensto Novexia SAS 

210 rue Léon Jouhaux 
BP 10446 
69656 Villefranche-sur-Saône Cedex, 
France 

Tel. +33 (0)4 74 65 61 61 
Fax +33 (0)4 74 62 96 57 

 

 

 

4P

R

-F

14

-D

 

 

 

LYNX 4400

 

Installation and operation manual 

for current fault detectors and 

directional fault detectors 
for MV underground grids

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LYNX 4400

Page 1: ...S 210 rue Léon Jouhaux BP 10446 69656 Villefranche sur Saône Cedex France Tel 33 0 4 74 65 61 61 Fax 33 0 4 74 62 96 57 4PR F14 D LYNX 4400 Installation and operation manual for current fault detectors and directional fault detectors for MV underground grids ...

Page 2: ... practices for electrical equipment If local regulations have requirements relating to this training or adequate knowledge in terms of the installation of electrical equipment the aforementioned requirements must be complied with by this person Ensto Novexia declines all liability for any property damage or personal injury caused by poor installation mishandling or failure to comply with safety re...

Page 3: ...ng and handling instructions 10 2 2 Installation operations 10 2 3 External connections 10 3 Commissioning 17 3 1 Points to be checked before commissioning 17 3 2 List of commissioning operations 17 3 3 Operational tests 17 4 Operation 24 4 1 Function by function description 24 4 2 Commands tests configurations upgrades with new functions 24 5 Maintenance 29 5 1 Preventive 29 5 2 Corrective 29 6 T...

Page 4: ...NO NX2010597 NO 72983_C 06 04 2021 4 35 4PR F14 D 1Presentation 1 1 Product purpose 1 2 General characteristics 1 3 List of equipment required for installation not supplied by Ensto Novexia ...

Page 5: ...lts and changing the operation of auxiliary contacts Standardising cores PPACS indicator lights and their connections Standardising and extending the usable lives of batteries and supercapacitors Using plug and coded type connectors for connecting current probes 1 2 General characteristics Front panel detail Error indicator lights Display Calibration indicator light Test reset and PPACS calibratio...

Page 6: ... Characteristics of LYNX44XX in directional configuration MV grid in accordance with specification EDF PR HN 45 S 51 of February 2011 Voltage Frequency 15 to 20 kV 50 Hz 60 Hz Single phase phase earth fault detection Indication according to the direction of the fault Red or Green Thresholds at 20 kV Preset 1 Preset 2 Residual current 25 A Ir 35 A 50 A Ir 70 A Residual voltage 3 kV Vr 5 kV 7 kV Vr ...

Page 7: ...ration 3 s or 2 h Reset button Common characteristics Accumulators Batteries 350 F Lithium supercapacitor LSH20 batteries Display 4 digit display H 17 8 mm External indicator light housing Number of LEDs Total luminous flux Flashing frequency Standard flashing capacity with lithium batteries 6 7 Ln 1 s 200 h Environment Operating temperature Storage temperature Humidity level Vibration resistance ...

Page 8: ...ator light Parallel connection LV power supply Parallel connection of PPACS LV power supply Remote indication PPACS voltage Climatic conditions Storage Storage temperature 25 to 70 C Relative humidity 10 to 100 Operation Normal operating temperature 15 to 55 C 200 Cores 289 92 50 ...

Page 9: ... the version o With LV power supply and supercapacitor o Standalone with two LSH20 batteries Accessories supplied alone depending on the option 1 red and green external indicator light housing connected to the Lynx using a 5 10 or 15 m connection cable 1 Lynx connection cable with core connectors 2 5 10 or 15 m long 1 Lynx shielded connection cable with PPACS connectors 2 5 10 or 15 m long 3 resin...

Page 10: ...NO NX2010597 NO 72983_C 06 04 2021 10 35 4PR F14 D 2Installation 2 1 Unpacking and handling instructions 2 2 Installation operations 2 3 External connections ...

Page 11: ...m 4 wall plugs Ø6 L 30 mm To access the 4 case mounting holes remove the cover After inserting the wall plugs in the wall see mounting distances opposite position each of the four Ø 4 5 screws in its hole Installing the external indicator light housing The indicator light housing is supplied with a 3X1 5 U1000RO2V type cable 5 10 or 15 metres long depending on the order Mounting distances for the ...

Page 12: ... the CORES power off The current probes used with the LYNX 4400 are split core current sensors with a lever clasp on a resin coated core Ratio 1 500 The assembly uses three identical cores detecting single phase faults on the earth polyphase faults double faults USE OF CORES VERSION 2012 2 Installation ...

Page 13: ...D BY AN INSULATED CONDUCTOR AND PASSED INSIDE THE CORRESPONDING CORE The wires for each core are connected using a coded 2 contact MATE N LOCK connector A 4x1 5mm U1000RO2V type cable equipped with female MATE N LOCK connectors is supplied for connecting cores to the LYNX 4400 s J2 terminal block Insert the stripped end with end sleeves into the LYNX s cable grommet Connect the J2 terminal block a...

Page 14: ...ng socket To connect the capacitive dividers to the LYNX 4400 a shielded 4X0 5mm cable is supplied This cable is equipped with a standardised male Harting socket on the capacitive divider side Connect the J1 terminal block removable and screwed in as follows Using the Ensto cable With Cahors cable Connection of the Lynx cases in parallel max 3 per PPACS Route the end of the cable through the cable...

Page 15: ...t may be actuated by the detector in response to A need to replace the battery or batteries when the battery becomes flat after 7 5 years of use An anomaly affecting the alternative auxiliary power supply An anomaly affecting the electronics Connect the J5 terminal block removable and screwed in as follows Power supplies depending on the option LV power supply supercapacitor option 350 Farad 2 7 V...

Page 16: ...al power supply LV power supply option The LYNX 4400 s normal power source is low voltage 230 V which is available on site The LV is supplied to the LYNX 4400 by a 2 x 1 5mm U1000RO2V type cable not supplied LYNX 4400s do not need to be connected to the neutral earth Connecting the J4 connector Insert the cable via the LYNX 4400 s cable grommet Connect the cable s neutral and phase wires as follow...

Page 17: ...NO NX2010597 NO 72983_C 06 04 2021 17 35 4PR F14 D 3Commissioning 3 1 Points to be checked before commissioning 3 2 List of commissioning operations 3 3 Operational tests ...

Page 18: ...NO NX2010597 NO 72983_C 06 04 2021 18 35 4PR F14 D 3 1 Points to be checked before commissioning ...

Page 19: ...etection mode 1 Configuration of the homopolar lo detection threshold phase to earth Ex factory setting 80 A 2 Configuration of the indicator light colour for a homopolar fault Ex factory setting Red homopolar fault 3 Configuration of polyphase Imax detection thresholds phase to phase Ex factory setting 500 A Rm The polyphase threshold is always higher than the double threshold Switch 240 A 160 A ...

Page 20: ... 1 Preset 2 LYNX 4400 units have two detection levels called Preset 1 and Preset 2 Preset 1 corresponds to the greatest earth fault detection sensitivity This position is used preferentially The Preset 2 position is intended for special cases such as when most of the detectors used for the outputs are older generation detectors pre 2009 Switch 1200 A 700 A 450 A 250 A 1 OFF ON OFF ON 2 OFF OFF ON ...

Page 21: ... disappearance of the MV after a configurable time In particular this prevents the activation of the indicators during the resetting cycle The LYNX 4400 can be adjusted for a time delay of 10 s 20 s 40 s or 70 s Factory setting time delay set to 10 s On completion of configuration to ensure that the new parameters are incorporated press PB1 µC reset button and LED LD1 comes on for 200 ms Switch Pr...

Page 22: ...r any adjustment of the grid voltage selection and configuration of the time delays and earth fault detection sensitivity If the LYNX 4400 is in directional configuration LED LD1 lights up red the first time the case is powered up The system is not calibrated Run a PPACS calibration PPACS calibration caution The MV voltage to the grid must be present Press the calibration push button PB2 for 3 s L...

Page 23: ...arting connectors On the LYNX DFD IMPORTANT A calibration run can be started at any time without red LED LD1 being lit If calibration is unsuccessful the directional detector is inoperative Launching a test of the LYNX 4400 Pressing the Test button PB4 triggers a test procedure to check operation of the detector During the test the display indicates TEST The two remote indication contacts close an...

Page 24: ...NO NX2010597 NO 72983_C 06 04 2021 24 35 4PR F14 D 4Operation 4 1 Function by function description 4 2 Commands tests configurations upgrades with new functions ...

Page 25: ...etector with different power sources Standalone detectors powered by replaceable batteries Detectors with a low voltage power supply 230 V phase neutral backed up by a supercapacitor without replacement elements The interface with external equipment consists of three contacts that output to disconnectable coded screw terminals LYNX44XX DETECTOR IN AMPEROMETRIC CONFIGURATION Functional description ...

Page 26: ... red flashing every second Only directional detectors located upstream from the fault will flash and the two red and green output contacts close at the same time Identification of the section with a fault This takes place differently depending on the type of fault Phase earth single phase fault Indication of this fault is directional All LYNX 4400 units located on the single phase fault cable star...

Page 27: ...ows 1 s POLY 1 s xxx polyphase counter 1 s RED 1 s xxx red counter 1 s GREEN 1 s xxx green counter The three counters can be simultaneously reset by pressing the counter display button PB3 for 3 s you should see 0 on the display 4 2 Controls tests configurations upgrades with new functions Controls The user interface UI has Pushbutton controls A TEST button press this button to run a test A TEST R...

Page 28: ...tive Launch a calibration procedure Flashing calibration in progress Off detector is operational Tests To check operation of the detector press the Test button PB4 to launch the test procedure If the LYNX 4400 is equipped with a display it indicates TEST The two remote indication contacts close and the Red and Green indicator lights flash on the Lynx board and on the external indicator light for 1...

Page 29: ...NO NX2010597 NO 72983_C 06 04 2021 29 35 4PR F14 D 5Maintenance 5 1 Preventive 5 2 Corrective ...

Page 30: ...Function test We recommend carrying out this test after 3 years and subsequently every 2 years it checks the condition of The battery or batteries and the supercapacitor The external indicator light and the external indication contacts The LV power supply and the fuse depending on the option a 5X20 type F spare fuse 250mA is available on the left hand side of the detector To check the battery or t...

Page 31: ...y use the same type of batteries with the same product code The 15 year usable life of supercapacitors means that they do not need to be replaced 5 2 Corrective Should the equipment stop working return the electronic board to Ensto Novexia To do this you need to Deactivate the case see page 30 Remove the connectors at the bottom of the case Short circuit the cores Remove the electronic board s met...

Page 32: ...ance team SERVICE APRES VENTE AFTER SALES SERVICE 210 rue Léon Jouhaux BP 10446 FR 69656 Villefranche sur Saône Cedex Tel 33 0 4 74 65 61 60 Mobile 33 0 6 08 93 26 31 You can also contact us by e mail at infos novexia ensto com Ensto Novexia is also able to provide customised training Our Technical Assistance team and our sales team will be able to advise you ...

Page 33: ..._C 06 04 2021 33 35 4PR F14 D 7End of Product Life For any questions relating to the end of the product s life contact the after sales service with the technical details of the sub assemblies and or products to be recycled ...

Page 34: ...NO NX2010597 NO 72983_C 06 04 2021 34 35 4PR F14 D Note ...

Page 35: ...e property of Ensto Novexia it may not be reproduced disclosed without written authorization Service Après Ventes After Sales Service 210 rue Léon Jouhaux BP 10446 FR 69656 Villefranche sur Saône Cedex Landline 33 0 4 74 65 61 60 Mobile 33 0 6 08 93 26 31 Service Après Vente After Sales Service Parc d Activités de la Haute Bigorre Boulevard de l Adour 65200 Bagnères de Bigorre Cedex Landline 33 0 ...

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