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DMC3S - Manual - 08 - 2021

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Second harmonic restraint - 2ndh-REST

Preface

When a power transformer is powered up, the phenomenon of inrush current occurs, teh amount

and duration of which depends on a variety of factors, including:

• Instantaneous value of the power voltage.

• Structural characteristics of the transformer, magnetisation characteristic and dimensions.

• Residual flux.

The maximum value of the inrush current is obtained when the transformer is powered with voltage

applied when the sine wave passes through zero, in the positive or negative direction, with positive

or negative residual flux respectively.

Furthermore, the ratio between the maximum inrush current and the nominal transformer current

diminishes with the size of the transformer itself.

In any case, the inrush current contains a significant second harmonic component.

To prevent the slow intervention of certain protections due to the inrush current, the second har-

monic restraint function can be enabled for each threshold of protections 46, 50/51, 50N/51N, 51N(E),

51N(Eme), 51(SQL), 67 and 67N.

Operating logic

The second harmonic component of each phase current (

L1-2nd

L2-2nd

L3-2nd

) is compared with an

adjustable threshold

2ndh>

When one or two of the three second harmonic components violate the threshold, the threshold

itself starts.

To keep the protection functions blocked until they are reset, the second harmonic restraint function

features an adjustable reset time

2ndh>RES

Protections for which the second harmonic restraint is enabled are blocked for an adjustable maxi-

mum time; the parameter

t2ndH-REST

can be set in the menu

Set \ Protections \ Second harmonic

restraint - 2ndh-REST.

2NDH-REST-diagram.ai

L1-nd

2ndh-REST

≥

2ndh-REST

2ndh>RES

Logic

2ndREST

Start I2ndh>

2ndh>

L1-nd

≥

2ndh>

L2-nd

≥

2ndh>

L3-nd

≥

2ndh>

1/3

2/3

Functional diagram of the second harmonic restraint - 2NDH/REST

Содержание DMC3S

Страница 1: ...2021 DMC3S MULTIFUNCTIONAL PROTECTION AND CONTROL PANEL FOR PRIMARY SUBSTATIONS MANUAL DV901 DV905 DV907 DV910 DV917 DV922 MV line Translator Coupler Power factor correction HV line TFN EAC EAC DV7203...

Страница 2: ...Digital inputs 9 3 3 OUTPUT CIRCUITS 9 Final electromechanical relays 9 Final solid state relays 10 3 4 MMI 10 3 5 COMMUNICATIONS CIRCUITS 10 Local port 10 Connection 61850 10 Remote module connectio...

Страница 3: ...rrent unbalance 51 SQL 52 Overvoltage 59 54 Residual overvoltage 59N 56 Residual emergency overvoltage 59N Eme 58 Maximum directional current 67 60 Ground directional overcurrent 67N 65 Ground directi...

Страница 4: ...urves type LTI 100 DMC3S IEC very inverse curves type B 101 DMC3S IEC extremely inverse curves type B 102 DMC3S I O CIRCUITS 103 DMRIS0 I O CIRCUITS 104 DMC3S DIMENSIONS front internal and rear views...

Страница 5: ...protection functions self test and control functions and outputs with solid state relays One rear port for communication with remote communications and control systems via Ethernet running the IEC 618...

Страница 6: ...d EN 61000 4 12 Oscillatory wave immunity test Standard EN 61000 4 16 EN 61000 4 16 A1 Immunity test for conducted common mode disturbances in the frequency range 0 to 150 kHz Standard EN 61000 4 29 I...

Страница 7: ...10 V Standard EC 61000 4 12 EN 60255 22 1 Damped oscillatory wave Level 3 0 1 MHz common mode 2 0 kV 0 1 MHz differential mode 1 0 kV Standard IEC 61000 4 16 Mains frequency voltages Level 3 4 162 3...

Страница 8: ...of machines Part 1 General rules Reference specifications Structural and functional requisites for the Multifunctional Protection and Control Panel for Primary Substations DV7203 ENEL DMI 9 00016 Pro...

Страница 9: ...1 s 2 Un Power draw per phase with UR 100 V 0 2 VA Residual voltage Vsync voltage voltmetric input Nominal residual voltage of relay UEn 50 130 V UER 100 V Permanent overload 1 3 UEn Thermal overload...

Страница 10: ...l green 1 Ethernet remote module 1 green 1 Ethernet remote module 2 green 1 Programmable red green yellow 16 Breaker position cross indicator LED Keypad 7 buttons Breaker control buttons AP CH Reclosi...

Страница 11: ...E YES 51N E INe DEFINITE INVERSE YES INe DEFINITE YES 51N Eme IEeme DEFINITE INVERSE YES 51 SQL ISQL DEFINITE INVERSE YES 59 U DEFINITE INVERSE NO U DEFINITE NO 59N UE DEFINITE INVERSE NO UE DEFINITE...

Страница 12: ...step 100 V 50000 500000 V step 1000 V Nominal primary phase to phase VT residual voltage 3 UEnp 50 V 500 kV 50 499 V step 1 V 500 4990 V step 10 V 5000 49900 V step 100 V 50000 500000 V step 1000 V N...

Страница 13: ...0 050 25 0 In 0 050 0 995 In step 0 005 In 1 00 9 99 In step 0 01 In 10 0 25 0 In step 0 1 In Operating time t2 def 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s step 0 1 s 100 1000 s step 1 s Shri...

Страница 14: ...25 0 In step 0 1 In Operating time t def 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s step 0 1 s 100 1000 s step 1 s Shrink time trip tcI def 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s step 0...

Страница 15: ...y tE RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time First definite time threshold IE def 0 005 25 0 IEn 0 005 0 995 IEn step 0 005 IEn 1 00 9 99 IEn step 0 01 IEn 10 0...

Страница 16: ...e Curve DEFINITE IEC BS A B B LI C Reset delay tNe RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time First definite time threshold INe def 0 005 25 0 IEn 0 005 0 995 IEn s...

Страница 17: ...En step 0 1 IEn Operating time tEeme def 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s step 0 1 s 100 1000 s step 1 s Shrink time trip tcIEeme def 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s ste...

Страница 18: ...0 99 9 s step 0 1 s 100 1000 s step 1 s Inverse time 3 First 59 inverse time threshold U inv 0 500 1 500 Un step 0 001 Un Operating time tU inv 0 10 100 0 s 0 10 9 99 s step 0 01 s 10 0 100 0 s step...

Страница 19: ...rations Type of residual voltage measurement for 59N direct calculated 3VoType59N UE UEC Threshold UEeme Type of characteristic UEeme Curve INVERSE DEFINITE 2 Reset delay tUEeme RES 0 00 100 0 s 0 00...

Страница 20: ...IPD Type of characteristic IPD Curve DEFINITE IEC BS A B C B LI Reset delay tPD RES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time Second definite time threshold IPD def 0...

Страница 21: ...00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time Fourth definite time threshold IPD def 0 050 25 0 In 0 050 0 995 In step 0 005 In 1 00 9 99 In step 0 01 In 10 0 25 0 In step...

Страница 22: ...inverse time threshold IED inv UED inv Residual current operating time 0 005 20 00 IEn 0 005 0 995 IEn step 0 005 IEn 1 00 20 00 IEn step 0 01 IEn Residual current trip value 0 001 1 000 UEn step 0 00...

Страница 23: ...0 02 60 0 s 0 02 9 99 s step 0 01 s 10 0 60 0 s step 0 1 s Threshold IED b Reset delay tED bRES 0 00 100 0 s 0 00 9 99 s step 0 01 s 10 0 100 0 s step 0 1 s Definite time Third definite time threshol...

Страница 24: ...ual current trip value 0 001 1 000 UEn step 0 001 UEn Characteristic angle 0 359 step 1 Operating half sector 1 180 step 1 Operating time tEDSbdef 0 05 1000 s 0 05 9 99 s step 0 01 s 10 0 99 9 s step...

Страница 25: ...1 Number of first scale df dt calculation semi periods 0 1 0 9 Hz s 0 20 step 1 Number of second scale df dt calculation semi periods 1 4 9 Hz s 0 20 step 1 Number of third scale df dt calculation se...

Страница 26: ...old for 74VT U2VT 0 05 0 50 En step 0 01 V Negative sequence overcurrent threshold for 74VT I2VT 0 05 0 50 In step 0 01 In Minimum phase voltage threshold for 74VT UVT 0 05 0 50 En step 0 01 V Minimum...

Страница 27: ...Bcoil Calculated Phase to phase voltages U12 U23 U31 Calculated residual voltage UEC Reconstructed L2 phase current IL2C Maximum current between IL1 IL2 IL3 ILmax Minimum current between IL1 IL2 IL3 I...

Страница 28: ...2 fV2 Voltage differential V1 V2 DV Frequency differential V1 V2 Df Phase shift of V2 relative to V1 Phi V1V2 Averaged phase currents Fixed mean phase current IL1FIX IL2FIX IL3FIX Mobile mean phase cu...

Страница 29: ...mean of reconstructed L2 phase current IL2CIST 10 s mean of phase to phase voltages U12IST U23IST U31IST 10 s mean of active power PIST 10 s mean of reactive power QIST 0 s mean of total harmonic dis...

Страница 30: ...t channel Residual current IE Channel C2 Correspondence to panel A2 Type of riser Assignment of channel C2 901 MV line stall Measurement IL2 910 Capacitor stall Measurement ISQL 922 TFN stall Second m...

Страница 31: ...h transfer contact 12 digital inputs with common contact one RS232 serial port for setting the IP address The electrical specifications auxiliary power specifications of digital inputs and output rela...

Страница 32: ...uence is L1 L3 L2 Sign conventional for phase shifts 1 Note 1 The phase shift regulation and display ranges are 0 359 fasori ai Positive cyclic direction triple Negative cyclic direction triple UL1 IL...

Страница 33: ...active for at least the programmed delay tOFF Each logical input on the input board IN1 1 IN1 6 can be mapped to one of the default functions listed below The parameters can be set in the menu Set Inp...

Страница 34: ...final relay to set the minimum hold time when the relay is actuated Minimum operating time If manual reset is set Operating mode MEMORIZED the final relay remains actuated until the RESET button is pr...

Страница 35: ...e TR K Start of first protection threshold 51N E INe ST K Trip of first protection threshold 51N E INe TR K Start of second protection threshold 1N E INe ST K Trip of second protection threshold 51N E...

Страница 36: ...n progress 79 Run K Reclosing command 79 AR K Reclosing failure 79 Fail K Enable closing state 79 EnableState K PLC PLC K Sync status Sync CK K Breaker position anomaly CBdiag K Opening count diagnost...

Страница 37: ...tions 46 50 51 50N 51N 51N E 51N Eme 51 SQL 67 67N the contracted time can be selected When the breaker closes during the operating time e g tatcI def the value of the trip time e g t def is replaced...

Страница 38: ...functions 32P 67 67N the Back up Time can be set Example directional current function first threshold back up time e g trPD def the parameter is in the menu Set Protections Maximum directional curren...

Страница 39: ...rameter UCC Enable in the menu Set Protections Direct undervoltage 27CC Threshold UCC Parameters and or State in the menu Set Protections Direct undervoltage 27CC Threshold UCC Definite time Logical b...

Страница 40: ...ges If the current IL2 is not available it is reconstructed vectorially For the active power sign conventions refer to the insertion diagram Regulations The protection is enabled at start and trip acc...

Страница 41: ...l expires 1 The enable parameters can be set in Set Protections Directional active overpower 32P Threshold P1 Threshold P2 Parameters while the logical block is assigned to the input in the menu Set I...

Страница 42: ...s symbology for the first threshold IEC 255 3 BS142 type A or SIT inverse time t 0 14 t2 inv I2 I2 inv 0 02 1 IEC 255 3 BS142 type B or VIT very inverse time t 13 5 t2 inv I2 I2 inv 1 IEC 255 3 BS142...

Страница 43: ...le in the menu Set Protections Negative sequence overcurrent 46 Threshold I2 Threshold I2 Definite time Second harmonic restraint For each threshold a second harmonic restraint block can be set by set...

Страница 44: ...r the thresholds I I e I can be selected with definite or inverse time per the following characteristic curves symbology for the first threshold IEC 255 3 BS142 type A or SIT inverse time t 0 14 t inv...

Страница 45: ...me by setting to ON the parameter EnTcI def EnTcI def EnTcI def En TcI def and adjusting the contracted time tcI def tcI def tcI def tcI def and operating time tatcI def tatcI def tatcI def tatcI def...

Страница 46: ...nv 0 02 1 IEC 255 3 BS142 type B or VIT very inverse time t 13 5 tE inv IE IE inv 1 IEC 255 3 BS142 type LTI long time inverse t 120 tE inv IE IE inv 1 IEC 255 3 BS142 type C or EIT extremely inverse...

Страница 47: ...erating time ex pires the trip time is reset e g tE def The parameters are available in the menu Set Protections Residual overcurrent 50N 51N Threshold IE Threshold IE Threshold IE Definite time Secon...

Страница 48: ...or EIT extremely inverse time t 80 tNe inv IE INe inv 2 1 Where t operating time INe trip threshold tNe inv operating time regulation The following applies to all inverse time characteristics The min...

Страница 49: ...restraint block by setting to ON the parameter INe 2ndh REST INe 2ndh REST The related parameters are available in the menu Set Configuration parameters A or B Neutral overcurrent 51N E Threshold INe...

Страница 50: ...n 1 1 and 20 times the set threshold 1 if threshodl regula tion exceeds 2 5 In the upper limit of the measurement range is 10 IEn For definite time trip characteristics the upper limit of the measurem...

Страница 51: ...idual overcurrent element 74VT TRIPPING M ATRIX LED REL AYS IEeme Curve 0 T IEeme Enable IEeme TR K IEeme TR L IEeme ST L IEeme ST K IE 1 State IEeme inv IE IEeme def IE IEeme inv IEeme def State 1 St...

Страница 52: ...the set threshold 1 if threshodl regulation exceeds 2 5 In the upper limit of the measurement range is 10 IEn For definite time trip characteristics the upper limit of the measurement range is 10 IEn...

Страница 53: ...le I overcurrent element Block1 Block2 2nd harmonic restraint enable ON Enable I 2ndh REST TRIPPING M ATRIX LED REL AYS ISQL Curve 0 T ISQL Enable I TR K I TR L I ST L I ST K State ISQL inv ISQL ISQL...

Страница 54: ...ld is reset The first threshold can be set to definite or inverse time with the following characteristic curves t 0 5 tU inv U U inv 1 where t is the operating time U is the measured voltage U inv and...

Страница 55: ...cteristics of the first threshold of the overvoltage protection 59 1 1 2 3 4 U U inv t U inv 100 s t U inv 10 s t U inv 1 s t U inv 0 1 s 1 5 0 01 0 1 1 10 100 1000 10000 t s Note the set operating ti...

Страница 56: ...rips TRIP otherwise the threshold is reset The first threshold UE can be set to definite or inverse time with a trip characteristic of the type t 0 5 tUE UE UE inv 1 o t 0 5 tUE UEC UE inv 1 where t i...

Страница 57: ...st threshold of the residual overvoltage protection 59N 1 1 2 3 4 t UE 100 s t UE 10 s t UE 1 s t UE 0 1 s 1 5 0 01 0 1 1 10 100 1000 10000 t s Note the set operating time refers to a voltage of UE UE...

Страница 58: ...reshold UEeme can be set to definite or inverse time with a trip characteristic of the type t 0 5 tUEeme UE UEeme inv 1 o t 0 5 tUEeme UEC UEeme inv 1 where t is the trip time UE and UEC are the direc...

Страница 59: ...0 T tUEeme 0 T TRIPPING M ATRIX LED REL AYS tUEeme def tUEeme inv Start UEeme UEeme ST K UEeme ST L UEeme TR K UEeme TR L Trip UEeme tUEeme RES T 0 tUEeme RES UE UEeme def UEeme inv 1 State UE UEeme...

Страница 60: ...ype C or EIT extremely inverse time t 80 tPD inv IPD IPD inv 2 1 Where t operating time IPD inv trip threshold IPD inv IPD inv for the first and second threshold tPD inv trip threshold regulation tPD...

Страница 61: ...l component of the current IL1 IL2 IL3 violates the set threshold IPD IPD IPD IPD B The current phasor for the phase in point A is in the angular sector with semi am plitude 90 and bisector the charac...

Страница 62: ...otections Overcurrent 67 Threshold IPD Threshold IPD Threshold IPD Parameters The same applies to the inhibition of Second threshold IPD by the start of at least one of IPD IPD with the Deactivation I...

Страница 63: ...l which corresponds to the memorised voltage from the cycle preceding the fault The memorised voltage is used as a reference for one second after all three phase to phase voltag es drop to a value of...

Страница 64: ...NG M ATRIX LED REL AYS IPD Curve 0 T IPD TR K IPD TR L IPD ST L IPD ST K D 1 Start I2ndh ON Inhibit from 74VT element 74VT inhibition Block1 Block2 2nd harmonic restraint enable ON Enable I 2ndh REST...

Страница 65: ...D inv 0 02 1 IEC 255 3 BS142 type B or VIT very inverse time t 13 5 tED inv IPD IED inv 1 IEC 255 3 BS142 type LTI long time inverse t 120 tED inv IED IED inv 1 IEC 255 3 BS142 type C or EIT extremely...

Страница 66: ...thresholds are expressed in p u UEn when set to UEC calculated voltage the thresholds are expressed in p u UECn For each of the thresholds IED IED a IED b IED and IEDSb the characteristic angle can b...

Страница 67: ...lue of the residual current IE greater than the amperometric threshold IED IED IED IED AND Value of the residual voltage UE or UEC greater than the corresponding voltmetric threshold UED UED UED UED W...

Страница 68: ...D UED UED AND The residual current IE phasor is included in the angular sector with half amplitude corresponding to the regulation of the threshold with bisector the characteristic semi axis of the th...

Страница 69: ...ock can be set by setting to ON the param eter IED 2ndh REST IED a2ndh REST IED b2ndh REST IED 2ndh REST 67N Sb2ndh REST The parameters are available in the menu Set Protections Ground directional ove...

Страница 70: ...c 59N threshold or by receiving the Goose IEC61850 for the state of start by residual overvoltage of the protection The logic of threshold IED is shown in the following figure char F67N evolutivi ai t...

Страница 71: ...ED def State IE 1 State IED inv IED def IED inv IED def State 1 State UED inv M UED def M UED inv UED def State IE 1 State IED inv M IED def M IED inv IED def State 1 State UED inv UED def UED inv UED...

Страница 72: ...1 1 State UED inv UED def UED inv UED def State 3Vo IE IE cos 0 1 State UED inv M UED def M UED inv UED def State 1 State UED inv UED def UED inv UED def State 3Vo IE TRIP 3Vo IE TRIP IE Insens Zone O...

Страница 73: ...nfigurations 1 Start I2ndh Block1 Block2 2nd harmonic restraint enable ON Enable I 2ndh REST EnTcIED def tED def tCIED def tatcIED def tatcIED def CB control 0 tED def 1 tCIED def ON Inhibit from 74VT...

Страница 74: ...r a programmable delay hence the associat ed protection function is block for as long as the input remains active 2 Note 1 In this description the logical block is called both Logical block and Block1...

Страница 75: ...the reference value is the difference in absolute value of one of the phase voltages UL1 UL2 UL3 and the mean of the three UL1 UL2 UL3 3 Maximum frequency difference UG the reference value is the diff...

Страница 76: ...76 DMC3S Manual 08 2021 EACx fxa dfx dt fxb Ueac EnUeac Ueac EnUeac ULS EnULS UG EnUG UDT EnUDT P EnP EAC Logic...

Страница 77: ...e slow intervention of certain protections due to the inrush current the second har monic restraint function can be enabled for each threshold of protections 46 50 51 50N 51N 51N E 51N Eme 51 SQL 67 a...

Страница 78: ...riety of criteria to estimate the wear of the breaker 1 Opening command count ModeN Open ON When the set threshold is violated N Open an alarm signal is issued which can be assigned to a final relay a...

Страница 79: ...Open Ktrig break ICB MnvLoad MnvLoad ModeN MnvLoad From CB position SumIL3 SumIL2 SumIL1 Opening transition Sum I SumI SumI K SumI L TRIPPING M ATRIX LED REL AYS State SumI ModeSumI IL2 IL1 I Max Max...

Страница 80: ...nabled disabled which cyclically operates the break er The function is active when the breaker is closed when the line is in service when no protection functions have been actuated when no cyclic recl...

Страница 81: ...Mobile mean Oscillographyy Set trigger The following parameters in the menu Oscillography Set trigger are user programmable Pre trigger time and Post trigger time When the parameter Enable triggers w...

Страница 82: ...rgency function 59N eme blocks functions 32P 50 51 67 and 67N and after a configurable delay tVT AL issues an alarm If the parameter S BLK1 is set to ON and a logical input is set to acquire the logic...

Страница 83: ...stable threshold DIVT from the value of the same currents measured over the preceding period IL1 k 1 IL2 k 1 IL3 k 1 By checking whether the currents vary between the current and previous grid periods...

Страница 84: ...r under load Activates 74VT when all three phase voltage are absent during line power up VT not connected and checks that none of the three currents are greater than IVT To not activate 74VT on closin...

Страница 85: ...ersa If the position is not congruent diagnostics are run on both coilss A circuit fault is reported when the current IR is below the set threshold during the CH pulse close command or AP pulse open c...

Страница 86: ...aker is open the control of inputs V1 and V2 function 74VT is ok the two measured frequencies are in the permitted operating range fn fRANGE for an adjustable time of no less than tSTAB the difference...

Страница 87: ...ence is initiated re port SYNC n IN PROGRESS with n 0 1 2 depending on the operating mode Only the enable conditions for the current operating mode are checked If both voltages are incoming Mode 0 the...

Страница 88: ...e phase difference is 8 6 degrees and V2 is delayed relative to V1 Functional block Block3 If the voltmetric measurement chain fails function 74VT tripped the synchronisation control func tion is bloc...

Страница 89: ...INx 1 with breaker closed Enable Binary input INx 1 with button enabled tSTAB 0 T tSTAB 0 T tSTAB 0 T timeout SYNC timeout SYNC 0 T RESET tSTAB 0 T tSTAB 0 T 1 with V1 in the range Vmin SYNC to Vmax S...

Страница 90: ...0 T dp12 SYNC dp21 SYNC tSTAB 0 T tSTAB 0 T f1 fn frange frange f2 fn frange tSTAB 0 T tSTAB 0 T 1 with V1 in the range Vmin SYNC to Vmax SYNC 1 with f1 in the range fn frange and fn frange 1 with V...

Страница 91: ...g due to trip of threshold IED 67N 79 IED Reclosing due to trip of threshold IED 67N 79 IED Reclosing due to trip of threshold IED 67N Symbols The following parameters can be adjusted in the menu Set...

Страница 92: ...by a fault which opens the breaker within the neu tralisation time trf or trt followed by a slow reclosing run on the fault within the discrimination time tdl the reclosing is considered unsuccessful...

Страница 93: ...fault occurs within tr the sequence opens the breaker and the following memorized reclosing is run when tr expires Every subsequent memorized reclosing starts timers tr and tdm If a fault occurs with...

Страница 94: ...possible following the start of the protection itself condition 1 the relay s internal protections must not only trip but also start resetting the start of the protection functions is faster than rese...

Страница 95: ...when Tatt expires the DMC panel opens the breaker and remotely reports the tripped status to the RTU display C If whether a BLIND signal is received or not the function does not drop out within the dr...

Страница 96: ...fy industrial quality and EMC standards Only passive systems without fans are used for heat management The devices can be assigned IP addresses on the basis of pertinent network planning rules On requ...

Страница 97: ...the equipment and the remote control centre The following aspects must be considered Traffic encryption so that the data may not be intercepted analysed and modified freely by third parties Implementa...

Страница 98: ...59 N 4 normalised IEC type A B B LI and C curves can be set Protection Functions Thresholds Operating time 46 I2 DEFINITE INVERSE I2 DEFINITE INVERSE 50 51 I DEFINITE INVERSE I DEFINITE INVERSE I DEFI...

Страница 99: ...1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s t inv 5 s 1 s 0 5 s 0 2 s 0 1 s 0 02 s t t inv I I inv 0 02 1 0 14 Note the set operating time refers to a ratio I I inv 7...

Страница 100: ...nverse curves type LTI F_51N IEC LITB Char ai Note the set operating time refers to a ratio I I inv 121 1 1 2 3 4 5 6 7 8 9 10 20 0 01 0 1 1 10 100 1000 10000 t s I I inv 10 s 60 s 5 s 1 s 0 5 s 0 2 s...

Страница 101: ...ai 1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 t s 10 s 60 s 5 s 1 s 0 5 s 0 2 s 0 02 s 0 1 s t t inv I I inv 1 13 5 Note the set operating time refers to a ratio I I inv 14 5 t in...

Страница 102: ...1 1 2 3 4 5 6 7 8 9 10 20 I I inv 0 01 0 1 1 10 100 1000 10000 100000 t s 10 s 60 s 5 s 1 s 0 5 s 0 2 s 0 02 s 0 1 s t t inv I I inv 2 1 80 Note the set operating time refers to a ratio I I inv 9 t in...

Страница 103: ...OLTAGE INPUTS MV 1 MV 2 MV 3 MV 4 MV 5 MV 6 MV MA 1 MA 2 MA 3 MA 4 MA 5 MA 6 MA 7 MA 8 MP 1 MP 2 MP 3 MI 1 MI 2 MI 3 MI 4 MI 5 MI 6 MI 7 OUTPUT RELAYS MO K1 K2 K3 K4 K5 K6 MO 1 MO 2 MO 3 MO 4 MO 5 MO...

Страница 104: ...6 FX ETH TX ETH ETHERNET UAUX MMP 1 MMP 2 MMI 1 MMI 2 MMI 3 MMI 4 MMI 5 MMI 6 IN 7 IN 8 IN 9 IN 10 IN 11 IN 12 MMI 7 MMI 8 MMI 9 MMI 10 MMI 11 MMI 12 IN 13 MMI 13 OUTPUT RELAYS DMRIS0 MMO 1 MMO 2 MMO...

Страница 105: ...105 DMC3S Manual 08 2021 DMC3S DIMENSIONS front internal and rear views...

Страница 106: ...106 DMC3S Manual 08 2021 DMC3S DIMENSIONS viewed from above...

Страница 107: ...107 DMC3S Manual 08 2021 DMC3S DIMENSIONS DMRIS0 module...

Страница 108: ...108 DMC3S Manual 08 2021 DMC3S PHOTO Local Ethernet port Switch Reclosing Display Breaker control Led Keypad Breaker position indicator...

Страница 109: ...DBUS TCP IP IEC61850 IEC61850 MODBUS TCP IP FIELDBUS HV line Transf MV Transf HV Controllers synchronisation MV line HV line User HV line User HV line Protection Integrated Transformer HV line DV7203...

Страница 110: ...an Piazza Mistral 7 Tel 39 02 574 957 01 ra Fax 39 02 574 037 63 Plant 35127 Padua Z I Sud Via dell Artigianato 48 Tel 39 049 894 770 1 ra Fax 39 049 870 139 0 www thytronic it www thytronic com thytr...

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