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2.8 Earth fault protection I0>

(50N/51N)

2 Protection functions

Technical description

64

VAMP 24h support phone +358 (0)20 753 3264

VM59.EN001

Input signal selection

Each stage can be connected to supervise any of the following
inputs and signals:



Input I

01

for all networks other than rigidly earthed.



Calculated signal I

0Calc

for rigidly and low impedance

earthed networks. I

0Calc

= I

L1

+ I

L2

+ I

L3

.

Additionally the stage I

0

> has one more input signal

alternative to measure current peaks to detect a restriking
intermittent earth fault:



I

01Peak

to measure the peak value of input I

01

.

Intermittent earth fault detection

Short earth faults make the protection to start (pick up), but
will not cause trip. When starting happens often enough, such
intermittent faults can be cleared using the intermittent time
setting.
When a new start happens within the set intermittent time,
the operation delay counter is not cleared between adjacent
faults and finally the stage will trip. By using input signal
I

01Peak

a single one-millisecond current peak is enough to start

the stage and increase the delay counter by 20 ms. For example
if the operating time is 120 ms, and the time between two
peaks does not exceed the intermittent time setting, the sixth
peak will cause a trip.

Four or six independent undirectional earth fault overcurrent
stages

There are four separately adjustable earth fault stages: I

0

>,

I

0

>>, I

0

>>>, and I

0

>>>>. The first stage I

0

> can be configured

for definite time (DT) or inverse time operation characteristic
(IDMT). The other stages have definite time operation
characteristic. By using the definite delay type and setting the
delay to its minimum, an instantaneous (ANSI 50N) operation
is obtained.

Inverse operation time (I

0

> stage only)

Inverse delay means that the operation time depends on the
amount the measured current exceeds the pick-up setting. The
bigger the fault current is the faster will be the operation.
Accomplished inverse delays are available for the I

0

> stage.

The inverse delay types are described in chapter 2.14. The
device will show a scaleable graph of the configured delay on
the local panel display.

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Содержание VAMP 59

Страница 1: ...VAMP 59 Line differential protection relay Operation and configuration instructions Technical description...

Страница 2: ...2 VM59 EN001...

Страница 3: ...ions 15 2 2 3 Setting groups 18 2 2 4 Fault logs 19 2 2 5 Operating levels 20 2 3 Operating measures 22 2 3 1 Control functions 22 2 3 2 Measured data 23 2 3 3 Reading event register 24 2 3 4 Forced c...

Страница 4: ...he code VMMC EN0xx 1 1 Relay features The comprehensive protection functions of the relay make it ideal for utility industrial marine and off shore power distribution applications The relay features t...

Страница 5: ...cription 1 2 User interface The relay can be controlled in three ways Locally with the push buttons on the relay front panel Locally using a PC connected to the USB port on the front Via remote contro...

Страница 6: ...ocal panel user interface 2 1 Relay front panel The figure below shows an example of the front panel of the line differential protection relay VAMP 59 and the location of the user interface elements u...

Страница 7: ...2 1 1 1 The other purpose is to show the configuration and parameterization values of the relay Figure 2 1 1 2 Figure 2 1 1 1 Sections of the LCD dot matrix display 1 Freely configurable single line...

Страница 8: ...pointers 1 Use the arrow keys UP and DOWN to move up and down in the main menu that is on the left hand side of the display The active main menu option is indicated with a cursor The options in the m...

Страница 9: ...one enter key one info key and two configurable function keys Figure 2 1 3 1 Keys on the keypad 1 Enter and confirmation key ENTER 2 Cancel key CANCEL 3 Up Down Increase Decrease arrow keys UP DOWN 4...

Страница 10: ...F2 Resetting latched indicators and output relays All the indicators and output relays can be given a latching function in the configuration There are several ways to reset latched indicators and rela...

Страница 11: ...tedly push the RIGHT key until the required submenu is shown Correspondingly push the LEFT key to return to the main menu 3 Push the ENTER key to confirm the selected submenu If there are more than si...

Страница 12: ...phone 358 0 20 753 3264 VM59 EN001 Figure 2 2 1 2 Principles of the menu structure and navigation in the menus 7 Push the INFO key and then the ENTER key to give the password 8 Push the INFO key to o...

Страница 13: ...st 31 days and the last twelve months Evnt 2 Events DR 3 Disturbance recorder 2 Runh 2 Running hour counter Active time of a selected digital input and time stamps of the latest start and stop TIMR 6...

Страница 14: ...CBWE 5 Circuit breaker wearing supervision 4 CTSV 1 CT supervisor 4 ArcI 11 Optional arc protection stage for phase to phase faults and delayed light signal 50ARC 4 ArcIo 10 Optional arc protection st...

Страница 15: ...gurator and the force flag below is on Operating levels are explained in chapter 2 2 5 SCntr 5 The stage has picked up a fault five times since the last reset or restart This value can be cleared if t...

Страница 16: ...setting group can be seen by pressing push buttons ENTER and then RIGHT or LEFT Setting groups are explained in chapter 2 2 3 ILmax 403A The maximum of three measured phase currents is at the moment 4...

Страница 17: ...ENTER and then RIGHT or LEFT 2006 09 14 Date of the log 12 25 10 288 Time of the log Type 1 2 The overcurrent fault has been detected in phases L1 and L2 A B red yellow R S u v Flt 2 86xIn The fault...

Страница 18: ...oup two and correspondingly the active group is group one if the digital input is FALSE If no digital input is selected SGrpDI the active group can be selected by changing the value of the parameter S...

Страница 19: ...n volatile memory Each function has its own logs The fault logs are not cleared when power is switched off The user is able to clear all logs using VAMPSET Each function has its own logs See Figure 2...

Страница 20: ...manently open Closing Closing not possible OPERATOR level Use Possible to control objects and to change e g the settings of the protection stages Opening Default password is 1 Setting state Push ENTER...

Страница 21: ...front of the relay It is possible to restore the password s in case the password is lost or forgotten In order to restore the password s a relay program is needed The virtual serial port settings are...

Страница 22: ...ivated object starts to blink 2 Select the Local Remote object L or R squared by using the arrow keys 3 Push the ENTER key The L R dialog opens Select REMOTE to enable remote control and disable local...

Страница 23: ...e Menu Submenu Description IL1 MEAS PHASE CURRENTS Phase current IL1 A IL2 MEAS PHASE CURRENTS Phase current IL2 A IL3 MEAS PHASE CURRENTS Phase current IL3 A IL1da MEAS PHASE CURRENTS 15 min average...

Страница 24: ...3 IL1 avg MEAS IL1 AVERAGE 10 min average of IL1 IL2 avg MEAS IL2 AVERAGE 10 min average of IL2 IL3 avg MEAS IL3 AVERAGE 10 min average of IL3 Figure 2 3 2 1 Example of harmonics bar display 2 3 3 Rea...

Страница 25: ...or DOWN key to change the OFF text to ON that is to activate the Force function 5 Push the ENTER key to return to the selection list Choose the signal to be controlled by force with the UP and DOWN ke...

Страница 26: ...in main menu DO although the VAMPSET program is recommended for output matrix editing 6 Configure the needed digital inputs in main menu DI 7 Configure blocking and interlocking for protection stages...

Страница 27: ...nd the ENTER key default value is 0002 For more information about the access levels please refer to Chapter 2 2 4 3 Scroll through the parameters using the UP and DOWN keys A parameter can be set if t...

Страница 28: ...f a fault message The allowed setting range is shown in the display in the setting mode To view the range push the INFO key Push the CANCEL key to return to the setting mode Figure 2 4 2 2 Allowed set...

Страница 29: ...INPUT POLARITY Either normal open NO or normal closed NC circuit Event enabling EVENT MASK1 2 4 5 Configuring digital outputs DO The following functions can be read and set via the submenus of the di...

Страница 30: ...e output AOmax Value of analogue output AO1 Available links IL1 IL2 IL2 F IL Io IoCalc Uo 2 4 7 Protection menu Prot The following functions can be read and set via the submenus of the Prot menu Reset...

Страница 31: ...ed value of I01 CT primary current Ionom Rated value of I01 CT secondary current Iosec Rated I01 input of the relay Ioinp is 5 A 1 A or 1 A 0 2 A This is specified in the order code of the device The...

Страница 32: ...t error of the synchronization source SyOS Auto adjust interval AAIntv Average drift direction AvDrft Lead or lag Average synchronization deviation FilDev 2 4 9 Protocol menu Bus There are three optio...

Страница 33: ...rors Communication time out error counter Tout Information of bit rate data bits parity stop bits This value is not directly editable Editing is done in the appropriate protocol setting menus ETHERNET...

Страница 34: ...ult is Even RTDInput This protocol is designed to be used together with VIO 12A RTD input module Bit rate bit s Default is 9600 Parity Parity Default is Even For details see the technical desctiption...

Страница 35: ...efer to the VAMPSET manual VMV EN0xx Figure 2 4 10 1 Single line diagram 2 4 11 Blocking and interlocking configuration The configuration of the blockings and interlocking is done with the VAMPSET sof...

Страница 36: ...about the VAMPSET software please refer to the user s manual with the code VMV EN0xx Also the VAMPSET user s manual is available at our web site When the relay is connected to a PC with a USB a virtua...

Страница 37: ...1 2 11 Circuit breaker failure stage CBFP 50BF 75 2 12 Line differential protection LdI 87L 76 2 12 1 Capacitive charging current 84 2 12 2 ANSI 85 POC signals 85 2 13 Programmable stages 99 86 2 14 I...

Страница 38: ...functions 157 6 Communication 158 6 1 Communication ports 158 6 1 1 Local port Front panel 158 6 1 2 Remote port 159 6 1 3 Extension port 159 6 1 4 Ethernet port 160 6 2 Communication protocols 161 6...

Страница 39: ...ion option 193 9 2 Tests and environmental conditions 194 9 2 1 Disturbance tests 194 9 2 2 Electrical safety tests 195 9 2 3 Mechanical tests 195 9 2 4 Environmental conditions 196 9 2 5 Casing 196 9...

Страница 40: ...d to the requirements of the application by disabling the functions that are not needed Flexible control and blocking possibilities due to digital signal control inputs DI and outputs DO Easy adaptabi...

Страница 41: ...realized with just a 16 bit micro controller without using a separate DSP Digital Signal Processor The synchronized sampling means an even number of 2n samples per period e g 32 samples per a period...

Страница 42: ...al description 42 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 Figure 1 3 shows a principle diagram of a single phase overcurrent function Figure 1 1 Principle block diagram of the VAMP hardwar...

Страница 43: ...Technical description 1 Introduction 1 2 Principles of numerical protection techniques VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 43 Figure 1 3 Block diagram of a basic protection function...

Страница 44: ...eration and Configuration instruction 2 2 List of protection functions IEEE ANSI code IEC symbol Function name 87L LdI LdI Line differential protection 87Lf2 Second harmonic blocking 87Lf5 Fifth harmo...

Страница 45: ...he block matrix from other stages the programmable logic or any digital input Some stages also have inbuilt blocking logic For more details about block matrix see chapter 5 6 Forcing start or trip con...

Страница 46: ...pick up reason i e the fault condition disappears If the stage is already tripping the blocking has no effect Retardation time Retardation time is the time a protection relay needs to notice that a f...

Страница 47: ...open the fault current will still flow through an arc between the opened contacts The current is finally cut off when the arc extinguishes at the next zero crossing of the current This is the start mo...

Страница 48: ...t phone 358 0 20 753 3264 VM59 EN001 Figure 2 3 Behaviour of a greater than comparator For example in overcurrent stages the hysteresis dead band acts according this figure Figure 2 4 Behaviour of a l...

Страница 49: ...stage picks up and a start signal is issued If the fault situation remains on longer than the user s operation delay setting a trip signal is issued Three independent stages There are three separately...

Страница 50: ...ves with high pick up settings See chapter 2 14 for more information Cold load and inrush current handling See chapter 3 3 Setting groups There are two settings groups available for each stage Switchi...

Страница 51: ...active setting group None Digital input Virtual input LED indicator signal Virtual output Function key Set Force Off On Force flag for status forcing for test purposes This is a common flag for all s...

Страница 52: ...ges I I 50 51 Parameter Value Unit Description Note Status Blocked Start Trip Current status of the stage F F SCntr Cumulative start counter C TCntr Cumulative trip counter C SetGrp 1 or 2 Active sett...

Страница 53: ...ing group Recorded values of the overcurrent stages 8 latest faults I I I 50 51 Parameter Value Unit Description yyyy mm dd Time stamp of the recording date hh mm ss ms Time stamp time of day Type 1 N...

Страница 54: ...e scaling can be activated and adjusted in the protection stage status 2 menu When using the local panel similar settings can be found from the prot menu It is also possible to change the scaling fact...

Страница 55: ...e protection has definite time operation characteristic 1 2 2 I I K where I1 IL1 aIL2 a2IL3 I2 IL1 a2IL2 aIL3 2 3 2 1 120 1 j a a phasor rotating constant Setting parameters of the current unbalanced...

Страница 56: ...and the phase angle between them The attenuation of the third harmonic is more than 60 dB Whenever the size of I0 and U0 and the phase angle between I0 and U0 fulfils the pick up criteria the stage pi...

Страница 57: ...lf plane as drawn in Figure 2 7 2 The base angle is usually set to zero degrees o Cap The stage is sensitive to the capacitive component of the selected I0 signal This mode is used with unearthed netw...

Страница 58: ...cond current peak is enough to start the stage and increase the delay counter by 20 ms For example if the operating time is 120 ms and the time between two peaks does not exceed the intermittent time...

Страница 59: ...ch stage Switching between setting groups can be controlled by digital inputs virtual inputs mimic display communication logic and manually Figure 2 7 1 Block diagram of the directional earth fault st...

Страница 60: ...Value Unit Description Note Status Blocked Start Trip Current status of the stage F F TripTime s Estimated time to trip SCntr Cumulative start counter Clr TCntr Cumulative trip counter Clr SetGrp 1 or...

Страница 61: ...curve family Definite time Inverse time See chapter 2 14 Set Type DT NI VI EI LTI Paramet ers Delay type Definite time Inverse time See chapter 2 14 Set t s Definite operation time for definite time...

Страница 62: ...s Type Parameters See chapter 2 14 Set For details of setting ranges see chapter 9 2 Set An editable parameter password needed C Can be cleared to zero F Editable when force flag is on Recorded values...

Страница 63: ...nent of the residual current 3I0 The attenuation of the third harmonic is more than 60 dB Whenever this fundamental value exceeds the user s pick up setting of a particular stage this stage picks up a...

Страница 64: ...will trip By using input signal I01Peak a single one millisecond current peak is enough to start the stage and increase the delay counter by 20 ms For example if the operating time is 120 ms and the t...

Страница 65: ...ult stage I0 50N 51N Parameter Value Unit Description Note Status Blocked Start Trip Current status of the stage F F TripTime s Estimated time to trip SCntr Cumulative start counter Clr TCntr Cumulati...

Страница 66: ...2 14 Set t s Definite operation time for definite time only Set k Inverse delay multiplier for inverse time only Set Input Io1 IoCalc Io1Peak X1 7 8 9 See chapter 8 IL1 IL2 IL3 X1 7 8 9 peak mode Set...

Страница 67: ...orce Off On Force flag for status forcing for test purposes This is a common flag for all stages and output relays too Automatically reset by a 5 minute timeout Set Io IoCalc pu The supervised value a...

Страница 68: ...ssential because 3n harmonics exist between the neutral point and earth also when there is no earth fault Whenever the measured value exceeds the user s pick up setting of a particular stage this stag...

Страница 69: ...MP 24h support phone 358 0 20 753 3264 69 Setting groups There are two settings groups available for both stages Switching between setting groups can be controlled by digital inputs virtual inputs com...

Страница 70: ...common flag for all stages and output relays too Automatically reset by a 5 minute timeout Set Uo The supervised value relative to Un 3 Uo Uo Pick up value relative to Un 3 Set t t s Definite operatio...

Страница 71: ...alarm I k a MODE 95 0 Alarm 60 0 6 T Operation time Thermal time constant tau Setting value ln Natural logarithm function I Measured rms phase current the max value of three phase currents Ip Preload...

Страница 72: ...e 2 9 Ambient temperature is not in use when k 1 This is true when IMAX40 is 1 0 Samb is n a no ambient temperature sensor TAMB is 40 C Figure 2 9 Ambient temperature correction of the overload stage...

Страница 73: ...device is switched on an initial temperature rise of 70 is used Depending of the actual current the calculated temperature rise then starts to approach the final value Alarm function The thermal over...

Страница 74: ...mit is 100 F MaxRMS Arms Measured current Highest of the three phases Imax A kxIn Current corresponding to the 100 temperature rise k xImode Allowed overload service factor Set Alarm Alarm level Set t...

Страница 75: ...l the protection stages using the same selected trip relay since it supervises the control signal of this relay See chapter 5 4 for details about the output matrix and the trip relays Parameters of th...

Страница 76: ...for sub transmission overhead lines medium voltage cables and transformers Two line ends may lie within the protection zone Phase segregated protection is based on current vector differential Combinat...

Страница 77: ...tart of slope Basic limit Figure 2 12 1 Tripping threshold characteristics Bias current calculation is only used in protection stage I Bias current describes the average current flow in transformer Bi...

Страница 78: ...ight be different like now Relay1 IPRIMARY MEASURED INOMINAL 1000A 1000A 1 Relay2 IPRIMARY RECEIVED INOMINAL REMOTE 300A 300A 1 N d I I 0 0 1 0 1 Example 2 Fault situation from relay 1 point of view R...

Страница 79: ...fiber In case that the length of the fibre is 90 km the setting has to be 90km as well Figure 2 12 4 CT wiring towards the line The starting times of the phase currents calculation tasks in two relays...

Страница 80: ...rip signal as well as communication channel failure status are available as inputs in the output matrix and blocking matrix of the relay Figure 2 12 6 Communication failure The communication channel b...

Страница 81: ...d values TCntr Trip counter Trip reading LdI status Protection state Synchronized Synchronization status In VAMP59 current comparison is based to nominal primary currents of both ends In line or cable...

Страница 82: ...753 3264 VM59 EN001 Figure 2 12 8 VAMP59 CT and transformer settings If transformer is earthed e g connection group Dyn11 then zero current must be compensated before differential and bias current cal...

Страница 83: ...g Connection group ConnGrp Io cmps I o cmps YNy0 Yy0 ON OFF YNyn0 Yy0 ON ON Yy0 Yy0 OFF OFF Yyn0 Yy0 OFF ON YNy6 Yy6 ON OFF YNyn6 Yy6 ON ON Yy6 Yy6 OFF OFF Yyn6 Yy6 OFF ON Yd1 Yd1 OFF OFF YNd1 Yd1 ON...

Страница 84: ...currents will have an impact on the minimum differential settings that may be used Equation 2 12 1 1 Capacitive charging current 3 10 2 fCU l IC Where l Cable length km IC Charging current amperes f...

Страница 85: ...On event Off event 1 16 User selectable name for the signal None as a default None DI1 n VI1 4 VO1 6 Logic1 20 0 1 on off on off Figure 2 12 2 1 Selecting POC signals ANSI 85 communication has to be...

Страница 86: ...60 milliseconds are needed select 10 ms For operation times under one second 20 ms is recommended For longer operation times and THD signals 100 ms is recommended Link The name of the supervised sign...

Страница 87: ...IL3 3 ILmin Minimum of phase currents ILmax Maximum of phase currents THDIL1 Total harmonic distortion of IL1 THDIL2 Total harmonic distortion of IL2 THDIL3 Total harmonic distortion of IL3 IL1RMS IL...

Страница 88: ...ion signal Set Coupling Selected protection signal Set Value Current primary value of the selected protection signal Cmp Mode of comparison Over protection Under protection Set SetGrp 1 or 2 Active se...

Страница 89: ...e alternative to inverse delay is definite delay With definite delay a preset time is used and the operation time does not depend on the size of a fault Operation modes There are three operation modes...

Страница 90: ...g valid delay type for IEEE mode for example MI the Setting Error signal will release 2 There are errors in formula parameters A E and the device is not able to build the delay curve 3 There are error...

Страница 91: ...nge is 0 5 A 1 A 0 5 xI0N 50 APRIMARY 2 14 1 Standard inverse delays IEC IEEE IEEE2 RI The available standard inverse delays are divided in four categories IEC IEEE IEEE2 and RI called delay curve fam...

Страница 92: ...rse X RI Old ASEA type X RXIDG Old ASEA type X IEC inverse time operation The operation time depends on the measured value and other parameters according Equation 2 14 1 1 Actually this equation can o...

Страница 93: ...ormal inverse 0 14 0 02 EI Extremely inverse 80 2 VI Very inverse 13 5 1 LTI Long time inverse 120 1 Example for Delay type Normal inverse NI k 0 50 I 4 pu constant current IPICKUP 2 pu A 0 14 B 0 02...

Страница 94: ...ersions according Table 2 14 1 3 The IEEE standard defines inverse delay for both trip and release operations However in the VAMP relay only the trip time is inverse according the standard but the rel...

Страница 95: ...LTI Long time inverse 0 086 0 185 0 02 LTVI Long time very inverse 28 55 0 712 2 LTEI Long time extremely inverse 64 07 0 250 2 MI Moderately inverse 0 0515 0 1140 0 02 VI Very inverse 19 61 0 491 2...

Страница 96: ...96 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 Figure 2 14 1 5 ANSI IEEE long time inverse delay Figure 2 14 1 6 ANSI IEEE long time very inverse delay Figure 2 14 1 7 ANSI IEEE long time ext...

Страница 97: ...Another name could be IAC because the old General Electric IAC relays have been modeled using the same equation There are four different delay types according Table 2 14 1 4 The old electromechanical...

Страница 98: ...equation Delay type Parameter A B C D E MI Moderately inverse 0 1735 0 6791 0 8 0 08 0 1271 NI Normally inverse 0 0274 2 2614 0 3 1899 9 1272 VI Very inverse 0 0615 0 7989 0 34 0 284 4 0505 EI Extrem...

Страница 99: ...rse time operation VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 99 Figure 2 14 1 11 IEEE2 moderately inverse delay Figure 2 14 1 12 IEEE2 normal inverse delay Figure 2 14 1 13 IEEE2 very invers...

Страница 100: ...n only be used to draw graphs or when the measured value I is constant during the fault Modified versions are implemented in the relay for real time usage Equation 2 14 1 4 RI PICKUP 236 0 339 0 I I k...

Страница 101: ...me operation VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 101 The operation time in this example will be 3 9 seconds The same result can be read from Figure 2 14 1 16 Figure 2 14 1 15 Inverse d...

Страница 102: ...8 B 0 8630 C 0 8000 D 0 4180 E 0 1947 37 0 8 0 2 4 1947 0 8 0 2 4 4180 0 8 0 2 4 8630 0 2078 0 5 0 3 2 t The operation time in this example will be 0 37 seconds The resulting time current characterist...

Страница 103: ...should be filled with 1 00 0 00s Here is an example configuration of curve points Point Current I IPICKUP Operation delay 1 1 00 10 00 s 2 2 00 6 50 s 3 5 00 4 00 s 4 10 00 3 00 s 5 20 00 2 00 s 6 40...

Страница 104: ...the major data for a SCADA system SCADA systems are reading events using any of the available communication protocols Event log can also be scanned using the front panel or using VAMPSET With VAMSET t...

Страница 105: ...er overflow The normal procedure is to poll events from the device all the time If this is not done the event buffer will eventually overflow On the local screen this is indicated with string OVF afte...

Страница 106: ...so be triggered manually All recordings are time stamped Reading recordings The recordings can be uploaded viewed and analysed with the VAMPSET program The recording is in COMTRADE format This means t...

Страница 107: ...One cycle value One cycle value Average Average Average Average Average Average Average Set Time s Recording length Set PreTrig Amount of recording data before the trig moment Set MaxLen s Maximum ti...

Страница 108: ...e current unbalance I2 In Current unbalance xIN IL Average IL1 IL2 IL3 3 DO Digital outputs DI Digital inputs TanFii tan THDIL1 Total harmonic distortion of IL1 THDIL2 Total harmonic distortion of IL2...

Страница 109: ...Go to Disturbance record and select Open A 2 Select the comtrade file from you hard disc or equivalent VAMPSET is now ready to read the recording 3 The virtual measurement has to be enabled B in orde...

Страница 110: ...n time Inrush current detection Inrush current detection is quite similar with the cold load detection but it does also include a condition for second harmonic relative content of the currents When al...

Страница 111: ...Inrush blocking is recommended to be used in time delayed overcurrent stages while non blocked instant overcurrent stage is set to 20 higher than expected inrush current By this scheme fast reaction...

Страница 112: ...ve Timeout Inrush Start Trip Status of inrush detection Inrush is detected Timeout ILmax A The supervised value Max of IL1 IL2 and IL3 Pickup A Primary scaled pick up value Idle A Primary scaled upper...

Страница 113: ...IMAX setting the function will issue an alarm after the operation delay has elapsed Setting parameters of CT supervisor CTSV Parameter Value Unit Default Description Imax 0 0 10 0 xIn 2 0 Upper settin...

Страница 114: ...ximation The permissible cycle diagram is usually available in the documentation of the CB manufacturer Figure 3 2 The diagram specifies the permissible number of cycles for every level of the breakin...

Страница 115: ...n there are less operation left at the given current level than this limit Any actual interrupted current will be logarithmically weighted for the two given alarm current levels and the number of oper...

Страница 116: ...Equation 3 5 2 k k k k I I C C n 1 1 ln ln Equation 3 5 3 2 k k I C a ln natural logarithm function Ck permitted operations k row 2 7 in Table 3 5 1 Ik corresponding current k row 2 7 in Table 3 5 1 C...

Страница 117: ...er cent of the maximum Example of operation counter decrementing when the CB is breaking a current Alarm2 is set to 6 kA CBFP is supervising trip relay T1 and trip signal of an overcurrent stage detec...

Страница 118: ...peration IL1 IL2 IL3 A A A Broken current of phase L1 Broken current of phase L2 Broken current of phase L3 CBWEAR SET Alarm1 Current 0 00 100 00 kA Alarm1 current level Set Cycles 100000 Alarm1 limit...

Страница 119: ...message is received the deviation is already near zero Parameters AAIntv and AvDrft will show the adapted correction time interval of this 1 ms auto adjust function Time drift correction without exter...

Страница 120: ...meters are set as 6 10 3600 24 9 5000 9 9 1 1 NEW AAIntv Lead AvDrft NOTE When the internal time is roughly correct deviation is less than four seconds any synchronizing or auto adjust will never turn...

Страница 121: ...age clock drift sign Set FilDev 125 ms Filtered synchronisation deviation Set An editable parameter password needed Astronomically a range 11 12 h would be enough but for political and geographical re...

Страница 122: ...external synch source Sync source When the device receives new sync message the sync source display is updated If no new sync messages are received within next 1 5 minutes the device will change to in...

Страница 123: ...time seconds Set Starts 0 65535 Activation counter Set Status Stop Run Current status of the selected digital signal DI DI1 DIn VI1 VIn LedA LedB LedC LedD LedE LedF LedG LedDR VO1 VO6 Select the sup...

Страница 124: ...be set to be as daily or according the day of week See the setting parameters for details The timer outputs are available for logic functions and for the block and output matrix Figure 3 3 Timer outpu...

Страница 125: ...ff i e 0 all the time Daily The timer switches on and off once every day Monday The timer switches on and off every Monday Tuesday The timer switches on and off every Tuesday Wednesday The timer switc...

Страница 126: ...lease after the set delay clearing delay has passed The combined o c status referres to the following overcurrent stages I I and I Line fault parameters Parameter Value Unit Description Note IFltLas x...

Страница 127: ...1 Fault is on OCt 0 1 Combined overcurrent trip status FltL1 FltL2 FltL3 0 FltL1 1 orFltL2 1 or FltL3 1 LxTrip On Off On Event enabling for FltL1 3 Events are enabled Events are disabled Set LxTripOff...

Страница 128: ...vents Used with SPA bus protocol because most SPA bus masters do need an off event for each corresponding on event Figure 3 4 Combined o c status The fault that can be seen in the Figure 3 4 was 3 tim...

Страница 129: ...ould the auxiliary supply of the relay disappear an alarm is automatically given because the internal fault IF output relay functions on a working current principle This means that the IF relay is ene...

Страница 130: ...output fault 1 STACK OS stack fault 2 MemChk OS memory fault 3 BGTask OS background task timeout 4 DI Digital input fault DI1 DI2 5 6 Arc Arc card fault 7 SecPulse Hardware error 8 RangeChk DB Settin...

Страница 131: ...nificantly from a pure sine wave Figure 4 1 Example of various current values of a transformer inrush current 4 1 Measurement accuracy Phase current inputs IL1 IL2 IL3 Measuring range 0 025 250 A Inac...

Страница 132: ...urrents The device calculates the harmonics from the 2nd to the 15th of phase currents The 17th harmonic component will also be shown partly in the value of the 15th harmonic component This is due to...

Страница 133: ...te current IL1 IL2daRem A Demand of remote current IL2 IL3daRem A Demand of remote current IL3 RMS values IL1da A Demand of remote current IL1 IL2da A Demand of remote current IL2 IL3da A Demand of re...

Страница 134: ...se current fundamental frequency value Io1 X Residual current IL1Rem IL2Rem IL3Rem X Remote current The value can be a one cycle value or an average according parameter Timebase Parameters of the day...

Страница 135: ...s The relay can be connected to zero sequence voltage The configuration parameter Voltage measurement mode must be set to U0 The available modes are U0 The device is connected to zero sequence voltage...

Страница 136: ...ding C L Fortescue 1918 The symmetric components are Positive sequence 1 Negative sequence 2 Zero sequence 0 Symmetric components are calculated according the following equations W V U a a a a S S S 2...

Страница 137: ...n the scaling equations but it defines the measurement range and the maximum allowed continuous current See chapter 9 1 1 for details Primary and secondary scaling Current scaling secondary primary SE...

Страница 138: ...T 750 5 IMODE 525 A Current injected to the relay s inputs is 7 A Per unit current is IPU 7x750 5x525 2 00 pu 2 00 xIMODE 200 Example 2 Per unit to secondary for phase currents CT 750 5 IMODE 525 A Th...

Страница 139: ...al current Input is I0Calc CT 750 5 The relay setting is 0 1 pu 10 If IL2 IL3 0 then secondary current to IL1 is ISEC 0 1x5 0 5 A 4 9 2 Voltage scaling Per unit pu scaling of zero sequence voltage Zer...

Страница 140: ...A and 4 20 mA More exotic ranges like 0 5 mA or 10 2 mA can be configured freely as long as the boundary values are within 0 20 mA Available couplings to the analog output IL1 IL2 IL2 F IL I0 I0Calc U...

Страница 141: ...er Value Unit Description Note T1 T4 0 1 Status of trip output relay F A1 0 1 Status of alarm output relay F IF 0 1 Status of the internal fault indication relay F Force On Off Force flag for output r...

Страница 142: ...lected in the ordering code see chapter 12 Selection in order code Threshold voltage 1 24 V dc 110 V ac 2 110 V dc 220 V ac 3 220 V dc When 110 or 220 V ac voltage is used to activate the digital Inpu...

Страница 143: ...al open contacts NO Active edge is 0 1 For normal closed contacts NC Active edge is 1 0 Set Alarm display no yes No pop up display Alarm pop up display is activated at active DI edge Set On event On O...

Страница 144: ...s Parameter Value Unit Description Set VI1 VI4 0 1 Status of virtual input Events On Off Event enabling Set NAMES for VIRTUAL INPUTS editable with VAMPSET only Label String of max 10 characters Short...

Страница 145: ...n be connected to the output relays front panel indicators virtual outputs etc There are eight general purpose LED indicators A B C D E F G and H available for customer specific indications on the fro...

Страница 146: ...protection stage can be blocked The blocking signal can originate from the digital or virtual inputs or it can be a start or trip signal from a protection stage or an output signal from the user s pr...

Страница 147: ...tput There is also an output signal Object failed which is activated if the control of an object fails Object states Each object has the following states Setting Value Description Object state Undefin...

Страница 148: ...object fails and Object failure matrix signal is set Also undefined event is generated Controlling with DI Objects can be controlled with digital input virtual input or virtual output There are four s...

Страница 149: ...ce In Remote mode the output relays cannot be controlled via a local HMI but they can be controlled via a remote serial communication interface The selection of the Local Remote mode is done by using...

Страница 150: ...nt start delay for the shot 1 If a higher priority AR signal activates during the start delay the start delay setting will be changed to that of the highest priority AR signal After the start delay th...

Страница 151: ...tion stages must be connected to a trip relay in the output matrix Manual opening Manual CB open command during AR sequence will stop the sequence and leave the CB open Reclaim time setting Use shot s...

Страница 152: ...hot For example if Shot 3 is the first shot for AR2 the starting delay for this sequence is defined by Discrimination time of Shot 2 for AR2 Critical AR request Critical AR request stops the AR sequen...

Страница 153: ...t or virtual output The digital input for toggling the ARena parameter AR2grp ARon ARoff ARon Enabling disabling the autoreclose for group 2 ReclT 0 02 300 00 s 10 00 Reclaim time setting This is comm...

Страница 154: ...is a common setting for all the AR lines in this shot AR1 On Off Off Indicates if this AR signal starts this shot AR2 On Off Off Indicates if this AR signal starts this shot Start1 0 02 300 00 s 0 02...

Страница 155: ...1 state Status INIT RECLAIM_TIME READY WAIT_CB_OPEN WAIT_CB_CLOSE DISCRIMINATION_TIME LOCKED FINAL_TRIP CB_FAIL INHIBIT AR function state Shot 1 5 The currently running shot ReclT RECLAIMTIME STARTTIM...

Страница 156: ...relay closes 5 The CB closes The CloseCB output relay opens and the discrimination time from shot 1 starts The current is still over the I setting 6 The discrimination time from the shot 1 runs out th...

Страница 157: ...programmable logic for boolean signals The logic is designed by using the VAMPSET setting tool and downloaded to the device Functions available are AND OR XOR NOT COUNTERs RS D flip flops Maximum num...

Страница 158: ...al communication module slot in the rear panel Figure 6 1 Communication ports and connectors The DSR signal from the front panel port selects the active connector for the RS232 local port 6 1 1 Local...

Страница 159: ...eters Parameter Value Unit Description Note Protocol None ANSI 85 Protocol selection for remote port Communication for line differential protection Set 6 1 3 Extension port Parameters Parameter Value...

Страница 160: ...terface for VAMPSET Modbus TCP slave IEC 61850 protocol Ethernet IP protocol DNP 3 protocol Set Port nnn Ip port for protocol default 102 Set IpAddr n n n n Internet protocol address set with VAMPSET...

Страница 161: ...strial applications The difference between these two protocols is the media Modbus TCP uses Ethernet and Modbus RTU uses asynchronous communication RS 485 optic fibre RS 232 VAMPSET will show the list...

Страница 162: ...and fibre optic interfaces are possible Parameters Parameter Value Unit Description Set bit s 4800 9600 default 19200 38400 bps Communication speed Set Parity None default Even Odd Parity Set SlvAddr...

Страница 163: ...IEC 61850 server interface is capable of Configurable data model selection of logical nodes corresponding to active application functions Configurable pre defined data sets Supported dynamic data set...

Страница 164: ...ed for addressing when the client is communicating to the device by default this is disabled Set The below parameters are ACSE association parameters described in the standard part 61850 8 1 AP ID nnn...

Страница 165: ...ntrol Supervisor 2 private objects one for digital data and one for analog data and 4 configuration objects for protection functions configuration Two configurable assemblies one producing and one con...

Страница 166: ...of product Product Code 1 65535 Identification of a particular product of an individual vendor Major Revision 1 127 Major revision of the item the Identity Object represents Minor Revision 1 255 Minor...

Страница 167: ...A automation system Programmable logic functionality is also implemented in the relay for various applications e g interlockings schemes For details about the functionality in the relays see chapter 2...

Страница 168: ...supervising a 24 Vdc trip circuit is possible The drawback is that an external resistor is needed to supervise the trip circuit on both CB positions If supervising during the closed position only is e...

Страница 169: ...e 358 0 20 753 3264 169 Figure 7 2 1 1 Trip circuit supervision using a single digital input and an external resistor R The circuit breaker is in the closed position The supervised circuitry in this C...

Страница 170: ...supervision 7 Application Technical description 170 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 Figure 7 2 1 2 Trip circuit supervision using a single digital input when the circuit breaker is...

Страница 171: ...nfiguration for trip circuit supervision with one digital input Example of dimensioning the external resistor R UAUX 110 Vdc 20 10 Auxiliary voltage with tolerance UDI 18 Vdc Threshold voltage of the...

Страница 172: ...7 2 1 2 and Equation 7 2 1 3 The Equation 7 2 1 2 is for the CB open situation including a 100 safety margin to limit the maximum temperature of the resistor Equation 7 2 1 2 R I P DI 2 2 P 2 0 003 2...

Страница 173: ...rcuit breaker Another auxiliary contact is connected in series with the circuitry of the first digital input This makes it possible to supervise also the auxiliary contact in the trip circuit The seco...

Страница 174: ...4 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 Figure 7 2 2 1 Trip circuit supervision with two digital inputs The CB is closed The supervised circuitry in this CB position is double lined The...

Страница 175: ...ication 7 2 Trip circuit supervision VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 175 Figure 7 2 2 2 Trip circuit supervision with two digital inputs The CB is in the open position The two digi...

Страница 176: ...n example of digital input configuration for trip circuit supervision with two dry digital inputs DI1 and DI2 Figure 7 2 2 4 An example of logic configuration for trip circuit supervision with two dry...

Страница 177: ...Terminal X1 No Symbol Description 1 IL1 S1 Phase current L1 S1 2 IL1 S2 Phase current L1 S2 3 IL2 S1 Phase current L2 S1 4 IL2 S2 Phase current L2 S2 5 IL3 S1 Phase current L3 S1 6 IL3 S2 Phase curre...

Страница 178: ...relay 4 10 T4 Trip relay 4 9 A1 NC Alarm relay 1 normal closed connector 8 A1 NO Alarm relay 1 normal open connector 7 A1 COM Alarm relay 1 common connector 6 DI2 Digital input 2 5 DI2 Digital input 2...

Страница 179: ...mmunication module types and their pin assignments are introduced in the following table Type Order code Name Communication ports Signal levels Connectors Pin usage VCM 232 00 VCM 232 IR VCM 232 FI VC...

Страница 180: ...I O has value VOM 4DI1DO Please check the ordering code in chapter 12 The digital input output option enables four more digital inputs and one optional digital input output contact These inputs are us...

Страница 181: ...igital input threshold of VAMP 59 relays is selected in the ordering code when the relay s are being ordered The threshold voltage selection is done with jumpers at the factory In case that the DI DO...

Страница 182: ...phone 358 0 20 753 3264 VM59 EN001 Figure 8 3 AC mode selection in VAMPSET How to select the threshold of digital inputs when the DI DO option card is ordered separately and not modified at the factor...

Страница 183: ...pported Analog input modules RTD Analog output modules mA output Binary input output modules EXTENSION port is primarily designed for I O modules The relay must have a communication option card with E...

Страница 184: ...read errors X 32000 32000 Y 1000 1000 Scaling Y2 Scaled value Point 2 X2 Modbus value Y1 Scaled value Point 1 X1 Modbus value 32000 32000 Off set Subtracted from Modbus value before running XY scaling...

Страница 185: ...Description 0 10000 Hysteresis for alarm limits 21x107 21x107 Alarm Limit setting Alarm Active state 21x107 21x107 Alarm Limit setting Alarm Active state Active value 1 9999 Modbus register for the me...

Страница 186: ...External digital inputs configuration VAMPSET only Range Description Communication read errors 1 16 Bit number of Modbus register value CoilS InputS InputR or HoldingR Modbus register type 1 9999 Modb...

Страница 187: ...001 VAMP 24h support phone 358 0 20 753 3264 187 External digital outputs configuration VAMPSET only Range Description Communication errors 1 9999 Modbus register for the measurement 1 247 Modbus addr...

Страница 188: ...s value corresponding Linked Val Max Modbus value corresponding Linked Val Min InputR or HoldingR Modbus register type 1 9999 Modbus register for the output 1 247 Modbus address of the I O device 0 42...

Страница 189: ...ription 8 Connections 8 7 Block diagrams VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 189 8 7 Block diagrams 8 7 1 VAMP 59 Figure 8 7 1 1 Block diagram of overcurrent and earthfault protection...

Страница 190: ...ions Technical description 190 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 8 8 Connection examples 8 8 1 VAMP 59 Figure 8 8 1 1 Connection example of feeder protection relay VAMP 59 using U0 T...

Страница 191: ...A 0 2 A Current measuring range 0 003 10 x IN Thermal withstand 4 x I0 continuously 20 x I0 for 10 s 100 x I0 for 1 s Burden 0 2 VA Rated frequency fN 45 65 Hz Terminal block Maximum wire dimension S...

Страница 192: ...185 175 9 1 4 Trip contacts Number of contacts 4 making contacts relays T1 T2 T3 T4 Rated voltage 250 V ac dc Continuous carry 5 A Make and carry 0 5 s Make and carry 3s 30 A 15 A Breaking capacity D...

Страница 193: ...tion RS 232 Glass fibre connection Ethernet 10 Base T Protocols ModBus TCP DNP 3 0 IEC 61850 Ethernet IP ANSI 85 RS 232 9 1 8 Analogue output connection option Number of analogue mA output channels 1...

Страница 194: ...22 2 8 kV contact 15 kV air Fast transients EFT EN 61000 4 4 class IV IEC 60255 22 4 class A 4 kV 2 kV signal ports 5 50 ns 5 kHz Surge EN 61000 4 5 class III IEC 60255 22 5 2 kV 1 2 50 s CM 1 kV 1 2...

Страница 195: ...Insulation resistance EN 60255 5 Protective bonding resistance EN 60255 27 Power supply burden IEC60255 1 9 2 3 Mechanical tests Test Standard Test class level Test value Device in operation Vibration...

Страница 196: ...EN IEC 60068 2 78 Cab 40 C 93 RH 10 days Flowing mixed gas corrosion test method 2 IEC 60068 2 60 Ke 25 C 75 RH 10 ppb 200 ppb 10 ppb Flowing mixed gas corrosion test method 4 IEC 60068 2 60 Ke 25 C...

Страница 197: ...amplitude of second harmonic content has to be at least 2 of the nominal of CT If the nominal current is 5 A the 100 Hz component needs to exceed 100 mA Differential overcurrent stage Ldl 87L Setting...

Страница 198: ...rse This is the instantaneous time i e the minimum total operational time including the fault detection time and operation time of the trip contacts Overcurrent stages I and I 50 51 Pick up current 0...

Страница 199: ...Reset ratio 0 95 Inaccuracy Starting 2 of the set value or 0 3 of the rated value Operating time at definite time function 1 or 30 ms Operating time at IDMT function 5 or at least 30 ms I0 5 x I0N EI...

Страница 200: ...3 of the rated value Starting U0 I0 Peak Mode when rated value I0n 1 10A 5 of the set value or 2 of the rated value Sine wave 65 Hz Starting U0 I0 I0Calc 3 of the set value or 0 5 of the rated value...

Страница 201: ...n card Arc protection stage ArcI 50ARC option Setting range 0 5 10 0 x IN Arc sensor connection S1 S2 S1 S2 BI S1 BI S2 BI S1 S2 BI Operating time Light only 13 ms Operating time 4xIset light 17ms Ope...

Страница 202: ...ximately 2 mA of current is going trough the T5 X6 1 X6 2 circuit even when used as a digital output This has to be noticed when T5 is used with certain type of applications if 2 mA is enough to contr...

Страница 203: ...instantaneous time i e the minimum total operational time including the fault detection time and operation time of the trip contacts 9 4 3 Transformer supervision Current transformer supervision Pick...

Страница 204: ...eresis I e dead band Used to avoid oscillation when comparing two near by values IMODE Nominal current of the selected mode In feeder mode IMODE VTPRIMARY In motor mode IMODE IMOT I0N Nominal current...

Страница 205: ...U0SEC Voltage at input UC at zero ohm earth fault Used in voltage measurement mode 2LL Uo UA Voltage input for U12 or UL1 depending of the voltage measurement mode UB Voltage input for U23 or UL2 dep...

Страница 206: ...11 Construction Technical description 206 VAMP 24h support phone 358 0 20 753 3264 VM59 EN001 11 Construction Figure 11 1 VAMP 59 panel cut out dimensions and Dimensional drawing...

Страница 207: ...VAC 2 110 VDC 220VAC 3 220 VDC Optional I O extension modules A None B Digital I O 4xDI 1xDO C Arc Protection 2xSensor BIO Optional communication module 1 V RS 232 interface RJ 45 10Mbs ethernet inte...

Страница 208: ...CF 90 Cable length 3m 3P022 MOXA TCF 142 S ST Max distance 40 km VX062 RS232 converter cable for MOXA TCF 142 S ST Cable length 3m VX052 3 USB programming cable Vampset Cable length 3m VIO 12 AA RTD M...

Страница 209: ...VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 209 13 Revision history Manual revision history Manual version Description VM59 EN001 First revision Firmware revision history Firmware version Des...

Страница 210: ...Documentation Mounting and Commissioning Instructions VMMC EN0xx VAMPSET User s Manual VMV EN0xx Manufacturer Service data VAMP Ltd P O Box 810 FIN 65101 Vaasa Finland Visiting address Yritt j nkatu 1...

Страница 211: ...Technical description VM59 EN001 VAMP 24h support phone 358 0 20 753 3264 211...

Страница 212: ...rve the right to changes without prior notice VAMP Ltd Street address Yritt j nkatu 15 Phone 358 20 753 3200 Post address Fax 358 20 753 3205 P O Box 810 FIN 65101 Vaasa Internet www vamp fi Finland E...

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