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INSTALLATION
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INSTALLATION

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  1. INSTALLATION Wire the products and connect the optional modules

  2. ? Sepam series 20 & 40 MES114optional input/output modules ACE949-2 ACE959 ACE937 ACE969TP ACE969FO communicationmodules MSA141 analog output module MES148-2 temperature sensor modules DSM303 remote UMI

  3. ? Sepam series 80 MES120 optional input/output modules ACE949-2 ACE959 ACE937 ACE969TP ACE969FO communication modules MSA141 analog output module MCS025 synchro-check module DSM303 remote UMI MES148-2 temperature sensor modules

  4. MOUNTING Mounting

  5. Before use : storage conditions • Sepam must be stored in good condition to avoid any life time reduction : • In it’s factory package • In dry and clean place • Temperature does not have to exceed -25°C/-13°F and +70°C/+158°F • Exposure to continuous damp heat : 93%RH +40°C +104°F does not have to exceed 56 days • If storage must be longer than a year, Sepam should be energized for one or two days every year Series 20 Series 40 Series 80

  6. Summary of characteristics of the base unit • Flush-mounting in front panel • Thickness of plate: • 1.5 to 3 mm for Series 20 and 40 • 1.5 to 6 mm for Series 80 • Assembly at back of compartment • Mounting plate: • AMT840 for Series 20 and 40 • AMT880 for Series 80 • Sealing gasket according to NEMA12 / IP52 requirements • Weight • Sepam with advanced UMI and 1 input / output module: • 1.7 kg for Series 20 • 1.9 kg for Series 40 • 2.9 kg for Series 80 Series 20 Series 40 Series 80

  7. Mounting clip Groove Series 20 & 40 base unit • Simple flush mounting in panel • Held by 2 mounting clips Series 20 Series 40

  8. Mounted using spring clips The direction in which the spring clips are mounted depends on the thickness of the mounting plate. 1.5 mm ≤ thk. ≤ 4 mm 4 mm ≤ thk. ≤ 6 mm Series 80 base unit Series 80

  9. MES114 module • Installation of the module • insert the 2 pins on the module into the slots on the base unit • push the module flat up against the base unit to plug it into the connector • tighten the mounting screws Series 20 Series 40

  10. MES120 module • Installation of the module • insert the 2 pins on the module into the slots on the base unit • push the module flat up against the base unit to plug it into the connector • tighten the mounting screws Series 80

  11. Remote modules • DSM303 and MCS025 • Same mounting principle as Series 20 and 40 • MET148-2, MSA141, all communication modules • Mounting on symmetrical DIN rail Series 20 Series 40 Series 80

  12. INSTALLATION RULES Installation rules

  13. Generic rules : earthing • Refer to document : “MV protection relay installation assistance guide” ref 51312779F0 A2 • Guarantee an equipotent bonding network Series 20 Series 40 Series 80 • Connect every equipment to earth

  14. Generic rules : disturbing and sensitive cables • Disturbing cables are : • Power circuit in general, Welding machine power supply in particular • PEN and PE conductors • Control circuit including inductive loads : relays, contactors,… • sensitive cables are : • Communication circuits • Analogue measurement circuits : unbalance CT input, Temp sensors • Avoid the parallel running of disturbing and sensitive cables • Or assure separation distance between disturbing and sensitive cables • Disturbing and sensitive cables must cross at right angle Series 20 Series 40 Series 80

  15. Generic rules : ground loop • Minimize ground loop areas : cables must be as close as possible from earthed metallic part Series 20 Series 40 Series 80 • A ground loop results from the area between an active conductor and the ground.

  16. Generic rules : I/O • Outgoing and incoming I/O cables must be together Series 20 Series 40 Series 80 • Shielded cables are grounded at both ends (only if both sides are equipotent by an other way !!!) • Free conductors in cables must be earthed at both ends • Unused input must be shorted to earth

  17. Cubicle prerequisite • Switchgear must be connected to building earth • Every metallic parts of cubicle, including doors, must be connected together and to earth by wide conductor on non paint parts Series 20 Series 40 Series 80 • CTs and VTs secondary common point should be connected to main earth terminal (rectangular copper bare) of cubicle in MV compartment • LV compartment should also have a main earth terminal directly connected to the LV compartment one and on witch each equipment should be connected

  18. Power supply requirements • Nominal range : 24 / 250 VDC or 110 / 250 VAC (47.5 / 63 Hz) • Absolute range ( -20 / +10% ) : 19.2 / 275 VDC or 88 / 275 VAC • Series 80 accept only DC voltage supply • Nominal range : 24 / 250 VDC • Absolute range ( -20 / +10% ) : 19.2 / 275 VDC • Focus on DC supply : • Rectified only should not be used because it will reduce lifetime • Acceptable ripple content on DC voltage : 12% Series 20 Series 40 Series 80

  19. CONNECTION OF SEPAM Connection of Sepam

  20. Wiring requirements and accessories • Power supply and I/O : 2 different types of connector : CCA620 : screw typeCCA622 : ring / spade lugs Ø4mm Telemecanique ZD5 series • For both type, wires are single 0.2 to 2.5mm² / AWG 24 to 12 or maximum 2 wires 0.2 to 1 mm² / AWG 24 to 16 • 1mm² will be preferred for I/0 when used I/O number is high and if this size is correct for the application

  21. A21-pin connector auxiliary power supply mechanical grounding Series 20 & 40 base unit Series 20 Series 40 A • Connecting terminal 17 to earth • by 2.5 mm² cable, length < 200 mm is COMPULSORY C RJ45 connector • Modbus communication ports D C D RJ45 connector • connection of remote modules

  22. S20, T20 & M20 current sensors Series 20 A A 21-pin connector • 1 residual current input B SubD9 connector • CCA630 connection of CTs • CCA670 connection of LPCTs B

  23. B SubD9 connector CCT640 connection of VTs B21 & B22 voltage sensors Series 20 B

  24. A21-pin connector 1 residual current input BSubD9 connector CCA630 connection of CTs CCA670 connection of LPCTs E 6-pin connector connection of VTs Series 40 current and voltage sensors E Series 40 B A

  25. Series 80 base unit C2 C1 F A 21-pin connector • auxiliary power supply C1 and C2 RJ45 connector • Modbus ports D1 and D2 RJ45 connector • connection of remote modules F spare Series 80 D2 D1 B2 B1 A H3 H2 H1 Connection to the grounding circuit is compulsory by 9 mm² tinned copper braid, length < 300 mm

  26. Current and voltage sensors for Series 80 - all applications E Series 80 E 21-pin connector • connection of VTs • 2 residual current inputs B1 SubD9 connector • CCA630 connection for CTs • CCA671 connection of LPCTs B1

  27. Additional current sensors forT87, M87, M88, G87 & G88 Series 80 B2 • B2SubD9 connector • CCA630 connection for CTs • M87 and G87 CCA671 connection of LPCTs

  28. Additional voltage sensorsB83 Series 80 B2 SubD9 connector • CCT640 connection of V'Ts B2 B1

  29. Current sensor inputs • CCA630/CCA634 connector • The CCA630 connector is used to connect 3 phase current transformers to Sepam • The CCA634 adds an input for a residual current transformer : do not connect a core balance ct With CCA634 Io input on A or E connector must not be used. • Both contain interposing ring CTs with through primaries and be disconnected with the power on since disconnection does not open the CT secondary circuit. Series 20 Series 40 Series 80 CT 1 or 5A

  30. CCA630/634 connector connection of 2 or 3 CTs complete parameter setting using SFT2841 software Phase current inputs : 3 CTs / 2 CTs Series 20 Series 40 Series 80

  31. Phase current inputs : CTs wiring Series 20 Series 40 Series 80 • Power consumption in cables : CT must feed all connected equipments : SEPAM, ammeter,…, and cables !! Pwire= I² x ρ x L / S ρ = 1,728 10-8 at 20C° L = wire length, go and back, in meter e.g. : CT secondary : 5A S = 1.5mm² L=30m P = 8.6 VA CT secondary : 5A S = 4mm² L=30m P = 2.2 VA

  32. Phase current inputs : LPCTs • CCA670 or CCA671 connector • connection of 3 LPCTs(Low Power Current Transducers) • parameter setting using SFT2841 software, completed by hardware setting of microswitches

  33. Residual current inputs : CSH 30/120/200 • CSH120 or CSH200 core balance CT • ratio of 1/470 Series 20 Series 40 Series 80 • CT + CSH30 • connection of CT with secondary • 1A: 2 turns • 5A: 4 turns • Or direct on CCA634

  34. Residual current inputs : recommendations • Cabling recommendations The CSH120 or CSH200 core-balance CT is connected directly to the Sepam connector.Recommended cables: A twisted two-wire connection is recommended. Shielded cable may also be used • The maximum resistance of the Sepam connection wiring should not be more than 4 Ω. • CSH 30 must be placed in a low magnetic activity area in LV compartment : e.g. away from auxiliary transformer Series 20 Series 40 Series 80

  35. Residual current inputs : recommendations Series 20 Series 40 Series 80

  36. Residual current inputs : core adaptation • ACE990 interface • use of a core balance CT with a ratio of 1/50 to 1/1500 • Only one core by ACE990 Series 20 Series 40 Series 80

  37. 3 phase-to-neutral voltages OR 2 phase-to-phase voltages OR 1 phase-to-phase voltage 1 residual voltage (open delta arrangement) possibility of using VTs with double secondary winding Series 40 voltage inputs • The E connector may be used to connect the following Series 40 AND/OR except for 3 phase- to-neutral voltages

  38. 3 phase-to-neutral voltages OR 2 phase-to-phase voltages OR 1 phase-to-phase voltage 1 residual voltage (open delta arrangement) Additional voltage inputs for B21, B22 & B83 • The CCT640 may be used to connect the following: Series 20 Series 80 AND/OR

  39. 3 phase-to-neutral voltages OR 2 phase-to-phase voltages OR 1 phase-to-neutral voltage OR 1 phase-to-phase voltage 1 residual voltage open delta arrangement or neutral point Series 80 voltage inputsfor all applications except for B80 • The E connector may be used to connect the following Series 80 AND/OR

  40. 3 BB1 phase-to-neutral voltages and an additional BB2 voltage OR 2 BB1 phase-to-phase voltages and a residual voltage and an additional BB2 voltage B80 voltage inputs • The E connector may be used to connect the following Series 80 BB2 BB1

  41. VT wiring 3V + Vres 3 V U21 + U21 + 1 U + 1 U 1 V 1 V +Vres U23 + U23Values Vres Ph-to-neutral voltages measured measuredcalculatednot avail. not avail. not avail. V1 V1 Ph-to-ph voltages calculated calculated U21, U23 U21, U23 U21 U21not avail. not avail. measured measured measured measured U32, U13 U32, U13 U32, U13 U32, U13calculated calculated not avail. not avail. Residual voltage measuredcalculated measurednot avail. measurednot avail. not avail. measured Pos. seq. voltage calculated calculated calculated calculated not avail. not avail. not avail. not avail. Neg. seq. voltage calculated calculated calculated calculated not avail. not avail. not avail. not avail. Protection functions67N, 59Nnot available 67, 67N, 32P, 32Q, 37P, 40, 78PS, 51V, 21B, 27D, 59N, 47, 81R 67, 32P, 32Q, 37P, 40, 78PS, 51V, 21B, 27D, 47, 81R 67, 67N, 32P, 32Q, 37P, 40, 78PS, 51V, 21B, 27D, 59N, 47, 81R 67, 32P, 32Q, 37P, 40, 78PS, 51V, 21B, 27D, 47, 81R VT wiring variants Series 20 Series 40 Series 80

  42. Series 20 & 40 inputs / outputs • On the base unit A On the base unit • 4 outputs • O1 and O2: control (8A) • O3 and O4: indication (2A) Series 20 Series 40 • On Series 40, from Mars 2006 O1,O2 and O3 have control capabilities A

  43. Series 20 & 40 inputs / outputs • On the optional module K 10-pin connector • 6 inputs • I21: independent • I22 to I26: common point L 12-pin connector • 4 outputs • O11: control (8A) • O12 to O14: indication (2A) M 12-pin connector • 4 independent inputs L Series 20 Series 40 M K

  44. Series 20 & 40 inputs / outputs Series 20 Series 40

  45. Series 80 inputs / outputs • On the base unit A 21-pin connector • 5 outputs • O1 to O4: control (8A) • O5: indication (2A) • On the optional modules • 14 inputs, 6 outputs • Ox01: control (8A) • Ox02 and Ox06: indication(2A) H1 : I101 to I114, O101 to O106 H2 : I201 to I214, O201 to O206 H3 : I301 to I314, O301 to O306 • Maximum configuration • 42 inputs (3 x 14) • 23 outputs (3 x 6 + 5) Series 80 B2 B1 H3 H2 H1 A H3 H2 H1

  46. Series 80 inputs / outputs Series 80

  47. Circuit breaker shunt trip coil O11 : close order 02 : Closing inhibition 01 : tripping Normally open Tripping coil Closing coil

  48. Circuit breaker with under voltage opening coil O11 : close order 02 : Closing inhibition 01 : tripping Normally closed Voltage loss Tripping coil Closing coil

  49. Connection of remote modules Connection of remote modules

  50. MET 148-2 module : wiring • Connection of temperature sensors to screw-type terminals • Cross-section of 0.2 to 2.5 mm² • Maximum distance: 1 km • Use shielded cable • Connect the shielding at the module end • Do not connect the shielding at the sensor end • Separate the sensors cables ( very sensitive cables) from CCA77X cord Series 20 Series 40 Series 80 • Compulsory connection of the earthing terminal • 2.5 mm² cable with 4 mm ring lug • Length < 200 mm