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ABB REC650 ANSI Commissioning Manual

Manual is about: Relion 650 series Bay control

Summary of REC650 ANSI

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    Relion ® 650 series bay control rec650 commissioning manual.

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    Document id: 1mrk 511 248-uen issued: february 2011 revision: - product version: 1.1 © copyright 2011 abb. All rights reserved.

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    Copyright this document and parts thereof must not be reproduced or copied without written permission from abb, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. The software or hardware described in this document is furnished under a license and ...

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    Conformity this product complies with the directive of the council of the european communities on the approximation of the laws of the member states relating to electromagnetic compatibility (emc directive 2004/108/ec) and concerning electrical equipment for use within specified voltage limits (low-...

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    Disclaimer the data, examples and diagrams in this manual are included solely for the concept or product description and are not to be deemed as a statement of guaranteed properties. All persons responsible for applying the equipment addressed in this manual must satisfy themselves that each intende...

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    Safety information dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected. Non-observance can result in death, personal injury or substantial property damage. Only a competent electrician is allowed to carry out the electrical installation. National a...

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    Table of contents section 1 introduction.......................................................................7 this manual........................................................................................7 intended audience........................................................................

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    Preparing the ied to verify settings..................................................31 activating test mode.........................................................................33 preparing the connection to the test equipment...............................33 connecting test equipment to the ie...

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    Completing the test................................................................54 stub protection stbptoc..........................................................54 measuring the operate limit of set values...............................54 completing the test.......................................

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    Fuse failure supervision sddrfuf............................................68 checking that the binary inputs and outputs operate as expected ................................................................................68 measuring the operate value for the negative sequence function ..............

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    Maintenance tests..................................................................89 section 8 troubleshooting .............................................................93 fault tracing......................................................................................93 identifying hardware e...

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    6.

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    Section 1 introduction 1.1 this manual the commissioning manual contains instructions on how to commission the ied. The manual can also be used by system engineers and maintenance personnel for assistance during the testing phase. The manual provides procedures for checking of external circuitry and...

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    1.3 product documentation 1.3.1 product documentation set p la nni n g & p ur cha se e n gi nee ring in st al ling c om m iss io n ing o p e ra tio n m a in te na nc e d ec om m issi oni n g de inst a lli n g & d is pos a l application manual operation manual installation manual service manual engin...

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    Well as verifying settings by secondary injection. The manual describes the process of testing an ied in a substation which is not in service. The chapters are organized in chronological order in which the ied should be commissioned. The operation manual contains instructions on how to operate the i...

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    Documents related to rec650 identity number product guide 1mrk 511 249-ben type test certificate 1mrk 511 249-ten 650 series manuals identity number communication protocol manual, dnp3 1mrk 511 241-uen communication protocol manual, iec 61850 1mrk 511 242-uen communication protocol manual, iec 60870...

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    Equipment may result in degraded process performance leading to personal injury or death. Therefore, comply fully with all warning and caution notices. 1.4.2 manual conventions conventions used in ied manuals. A particular convention may not be used in this manual. • abbreviations and acronyms in th...

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    12.

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    Section 2 available functions note that not all functions included in the tables below have commissioning information available. 2.1 back-up protection functions iec 61850/ function block name ansi function description bay rec650 (a01) 1cba rec650 (a02) 1cbab rec650 (a07) bcab current protection php...

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    2.2 control and monitoring functions iec 61850/function block name ansi function description bay rec650 (a01) 1cba rec650 (a02) 1cbab rec650 (a07) bcab control sesrsyn 25 synchrocheck, energizing check, and synchronizing 1 1 1 smbrrec 79 autorecloser 1 1 1 scilo 3 logical node for interlocking 8 8 8...

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    Iec 61850/function block name ansi function description bay rec650 (a01) 1cba rec650 (a02) 1cbab rec650 (a07) bcab i103gencmd function commands generic for iec60870-5-103 50 50 50 i103poscmd ied commands with position and select for iec60870-5-103 50 50 50 secondary system supervision ccsrdif 87 cur...

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    Iec 61850/function block name ansi function description bay rec650 (a01) 1cba rec650 (a02) 1cbab rec650 (a07) bcab b16ifcvi boolean 16 to integer conversion with logic node representation 16 16 16 ib16a integer to boolean 16 conversion 16 16 16 ib16fcvb integer to boolean 16 conversion with logic no...

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    2.3 designed to communicate iec 61850/function block name ansi function description bay rec650 (a01) 1cba rec650 (a02) 1cbab rec650 (a07) bcab station communication iec 61850 communication protocol, lan1 1 1 1 dnp3.0 for tcp/ip communication protocol, lan1 1 1 1 iec61870-5-103 iec60870-5-103 serial ...

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    Iec 61850/function block name function description smai_20_1-12 signal matrix for analog inputs 2 3phsum summation block 3 phase 12 gbasval global base values for settings 6 athstat authority status 1 athchck authority check 1 ftpaccs ftp access with password 1 dosfrnt denial of service, frame rate ...

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    Section 3 starting up 3.1 factory and site acceptance testing testing the proper ied operation is carried out at different occasions, for example: • acceptance testing • commissioning testing • maintenance testing this manual describes the workflow and the steps to carry out the commissioning testin...

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    • pc with pcm600 installed along with the connectivity packages corresponding to the ied used • administration rights on the pc to set up ip addresses • product documentation (engineering manual, installation manual, commissioning manual, operation manual, technical manual and communication protocol...

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    If the green ready led continues to flash after startup, the ied has detected an internal error. Navigate via main menu/diagnostics/ied status/general to investigate the fault. 3.5 setting up communication between pcm600 and the ied the communication between the ied and pcm600 is independent of the ...

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    Local hmi path main menu/configuration/communication/tcp-ip configuration/1:ethlan1 and rear oem - port cd. The front and rear port ip addresses cannot belong to the same subnet or communication will fail. It is recommended to change the ip address of the front port, if the front and rear port are s...

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    Iec09000355-1-en.Vsd iec09000355 v1 en figure 3: select: network connections 2. Select properties in the status window. Iec09000356-1-en.Vsd iec09000356 v1 en figure 4: right-click local area connection and select properties 3. Select the tcp/ip protocol from the list of configured components using ...

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    Iec09000357-1-en.Vsd iec09000357 v1 en figure 5: select the tcp/ip protocol and open properties 4. Select obtain an ip address automatically if the parameter dhcpserver is set to on in the ied. Iec09000358-1-en.Vsd iec09000358 v1 en figure 6: select: obtain an ip address automatically 5. Select use ...

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    Iec09000658-1-en.Vsd iec09000658 v1 en figure 7: select: use the following ip address 6. Close all open windows and start pcm600. Setting up the pc to access the ied via a network this task depends on the used lan/wan network. Pc and ied must belong to the same subnetwork. 3.6 writing an application...

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    Be sure to set the correct technical key in the ied and pcm600 to prevent writing an application configuration to a wrong ied. See the engineering manual for information on how to create or modify an application configuration and how to write to the ied. 3.7 checking ct circuits check that the wirin...

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    Test the circuitry. • polarity check • vt circuit voltage measurement (primary injection test) • earthing check • phase relationship • insulation resistance check the polarity check verifies the integrity of circuits and the phase relationships. The check must be performed as close to the ied as pos...

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    1. Verify that the contacts are of voltage circuit type. 2. Check that no short circuit jumpers are located in the slots dedicated for voltage. Trip and alarm circuits 1. Check that the correct types of contacts are used. 3.10 checking binary input and output circuits 3.10.1 binary input circuits pr...

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    Section 4 establishing connection and verifying the iec 61850 station communication 4.1 setting the station communication to enable iec 61850 station communication: • the iec 61850-8-1 station communication functionality must be on in the local hmi. Navigate to main menu/configuration/communication/...

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    30

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    Section 5 testing ied operation 5.1 preparing the ied to verify settings if a test switch is included, start preparation by making the necessary connections to the test switch. This means connecting the test equipment according to a specific and designated ied terminal diagram. Put the ied into the ...

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    In the local hmi the sensitive directional earth fault protection sdepsde parameter group 4 is active indicated by the * next to #4 and the test of the sdepsde must be performed according to the instructions given for the setting opmode and setting value 3i03u0cosfi. Set and configure the function(s...

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    5.2 activating test mode put the ied into the test mode before testing. The test mode blocks all functions in the ied, and the individual functions to be tested can be unblocked to prevent unwanted operation caused by other functions. In this way, it is possible to test slower back-up measuring func...

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    Winding open will cause a massive potential build up that may damage the transformer and injure humans. 5.4 connecting test equipment to the ied connect the test equipment according to the ied specific connection diagram and the needed input and output signals for the function under test. An example...

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    5.5 releasing the function to be tested release or unblock the function to be tested. This is done to ensure that only the function or the chain of functions to be tested are in operation and that other functions are prevented from operating. Release the tested function(s) by setting the correspondi...

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    Apply input signals as needed according to the actual hardware and the application configuration made in pcm600. 1. Inject a symmetrical three-phase voltage and current at rated value. 2. Compare the injected value with the measured values. The voltage and current phasor menu in the local hmi is loc...

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    Also the signal monitoring tool in pcm600 can be used to read the measured values. In many cases it is more convenient to use pcm600 since, among many things, reports on measured values can be exported from the signal monitoring tool to other tools (for example, ms excel) for further analysis. 5.7 t...

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    38.

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    Section 6 testing functionality 6.1 testing disturbance report 6.1.1 introduction the following sub-functions are included in the disturbance report function: • disturbance recorder • event list • event recorder • trip value recorder • indications if the disturbance report is set on, then its sub-fu...

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    6.3 testing current protection functions 6.3.1 instantaneous phase overcurrent protection phpioc prepare the ied for verification of settings as outlined in 5.1 "preparing the ied to verify settings" . Values of the logical signals for phpioc are available on the local hmi under main menu/tests/func...

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    Values of the logical signals for oc4ptoc are available on the local hmi under main menu/tests/function status/current/oc4ptoc(51_67,4i>)/ 1:oc4ptoc. The signal monitoring in pcm600 shows the same signals that are available on the local hmi. 6.3.2.1 verifying the settings 1. Connect the test set for...

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    Check of the non-directional phase overcurrent function. This is done in principle as instructed above, without applying any polarizing voltage. 6.3.2.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mo...

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    6.3.3.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/current/efpioc(50n,...

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    11. Check that the protection does not operate when the polarizing voltage is zero. 12. Repeat the above described tests for the higher set steps. 13. Finally, check that start and trip information is stored in the event menu. 6.3.4.2 four step non-directional residual overcurrent protection 1. Do a...

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    The i dir (i 0 cos(angle)) function activates the start and stdirin output. 3. Measure with angles j = rcadir +/- 45° that the measuring element operates when i 0 cos (rcadir - j) = i 0 cos(+/-45) = incosphi>. 4. Compare the result with the set value. Take the set characteristic into consideration, ...

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    -3u 0 =u ref operate area instrument transformer angle error 3i 0 (prim) 3i 0 (to prot) a characteristic after angle compensation rcacomp en06000651.Vsd rcadir = 0º iec06000651 v2 en figure 10: explanation of rcacomp operation mode 3i 0 · 3u 0 · cosφ 1. Set the polarizing voltage to 1.2 · unrel> and...

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    ( ) 0 0 / 3 3 cos test test tinv ksn sref i u j = × × × iecequation2403 v1 en (equation 2) 6. Compare the result with the expected value. The expected value depends on whether definite or inverse time was selected. 7. Continue to test another function or complete the test by setting the test mode to...

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    -3u 0 80 80 operate area 3i 0 en06000652.Vsd rcadir = 0º roadir = 80º iec06000652 v2 en figure 11: example characteristic non-directional earth fault current protection procedure 1. Measure that the operate current is equal to the innondir> setting. The function activates the start and stdirin outpu...

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    6.3.5.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/current/sdepsde(67n...

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    At mode 2 out of 4 the phase current setting, ip> can be checked by single-phase injection where the return current is connected to the summated current input. The value of residual (earth fault) current in set lower than ip> is easiest checked in back- up trip mode 1 out of 4. 6.3.7.1 checking the ...

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    1. Apply the fault condition, including start of ccrbrf, well above the set current value. Measure time from start of ccrbrf. 2. Check the re-trip t1 and back-up trip times t2. 3. Disconnect ac and start input signals. 6.3.7.4 verifying the re-trip mode choose the mode below, which corresponds to th...

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    Checking that back-up tripping is not achieved at normal cb tripping use the actual tripping modes. The case below applies to re-trip with current check. 1. Apply the fault condition, including start of ccrbrf, with phase current well above set value ip. 2. Arrange switching the current off, with a ...

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    6.3.7.6 verifying the case retripmode = contact it is assumed that re-trip without current check is selected, retripmode = contact. 1. Set functionmode = contact 2. Apply input signal for cb closed to input cbcldl1 (2 or 3)cbcld 3. Apply input signal, for start of ccrbrf. The value of current could ...

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    7. Arrange disconnection of bc closed signal(s) well before set back-up trip time t2. It simulates a correct cb tripping. 8. Verify that back-up trip is not achieved. Re-trip can appear for example, due to selection “re-trip without current check”. 9. Disconnect injected ac and start input signals. ...

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    9. Switch the fault current on. No trip signal should appear. 10. Switch the fault current off. 11. Reset the release binary input. 12. Switch the fault current on. No trip signal should appear. 13. Switch the fault current off. 6.3.8.2 completing the test continue to test another function or end th...

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    6.3.9.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/current/ccrpld(52pd...

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    6.3.10.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/current/brcptoc(46...

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    Table 2: calculation modes set value: mode formula used for complex power calculation l1, l2, l3 * * * 1 1 2 2 3 3 l l l l l l s u i u i u i = × + × + × equation1697 v1 en (equation 4) arone * * 1 2 1 2 3 3 l l l l l l s u i u i = × - × equation1698 v1 en (equation 5) posseq * 3 posseq posseq s u i ...

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    5. Increase the current to 100% of ibase. 6. Switch the current off and measure the time for activation of trip1, trip of stage 1. 7. If a second stage is used, repeat steps 2 to 6 for the second stage. 6.3.11.2 completing the test continue to test another function or end the testing by setting the ...

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    Equal to 100% of rated power and that the reactive power is equal to 0% of rated power. 3. Change the angle between the injected current and voltage to angle1 + 90°. Check that the monitored active power is equal to 0% of rated power and that the reactive power is equal to 100% of rated power. 4. Ch...

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    6. Check that the start signal resets. 7. Instantaneously decrease the voltage in one phase to a value about 20% lower than the measured operate value. 8. Measure the time delay for the trip signal, and compare it with the set value. Extended testing 1. The test above can now be repeated for step 2 ...

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    6.4.2.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/voltage/ov2ptov(59,...

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    Values of the logical signals for lovptuv are available on the local hmi under main menu/tests/function status/voltage/lovptuv(27,u. The signal monitoring in pcm600 shows the same signals that are available on the local hmi. 6.4.4.1 measuring the operate limit of set values 1. Check that the input l...

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    6.5 testing frequency protection functions 6.5.1 underfrequency protection saptuf prepare the ied for verification of settings as outlined in 5.1 "preparing the ied to verify settings" . Values of the logical signals for saptuf are available on the local hmi under main menu/tests/function status/fre...

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    5. Slowly decrease the frequency of the applied voltage, to a value below startfrequency. 6. Check that the start signal does not appear. 7. Wait for a time corresponding to tdelay, and check that the trip signal does not appear. 6.5.1.2 completing the test continue to test another function or end t...

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    1. Check that you have appropriate settings in the ied, especially the startfrequency, ttdelay and the minvalfreqmeas in the smai preprocessing function 2. Supply the ied with three-phase voltages at their rated values. 3. Slowly decrease the magnitude of the applied voltage, until the blkdmagn sign...

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    6. Check that the start signal resets. 7. Instantaneously decrease the frequency of the applied voltage to a value about 20% lower than the nominal value. 8. Measure the time delay for the trip signal, and compare it with the set value. Extended testing 1. The test above can be repeated to check a p...

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    6.6.1.2 completing the test continue to test another function or end the testing by setting the parameter testmode to off under main menu/tests/ied test mode/1:testmode. If another function is tested, then set the parameter blocked to no under main menu/ tests/function test modes/secondary system su...

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    • there should be no change in the high status of the output signals blku and blkz. • the signal 3ph will appear. 8. Establish normal voltage and current operating conditions simultaneously and observe the corresponding output signals. They should change to logical 0 as follows: • signal 3ph after a...

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    1. Simulate normal operating conditions with the three-phase currents in phase with their corresponding phase voltages and with all of them equal to their rated values. 2. Slowly decrease the measured voltage in one phase until the blku signal appears. 3. Record the measured voltage and calculate th...

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    8. Repeat step 3 . 9. Connect the nominal voltages in all three phases and feed a current below the operate level in all three phases. 10. Keep the current constant. Disconnect the voltage in all three phases simultaneously. The blku, blkz and 3ph signals should not appear. 6.6.2.5 completing the te...

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    This section contains instructions on how to test the synchrocheck and energizing check for single cb. Prepare the ied for verification of settings as outlined in 5.1 "preparing the ied to verify settings" . Values of the logical signals for sesrsyn are available on the local hmi under main menu/tes...

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    Test equipment umeasure ph/n ph/ph en08000027.Vsd u-bus u-line n ied u-bus n ul1 ul2 ul3 n input phase l1,l2,l3 l12,l23,l31 iec08000027 v1 en figure 12: general test connection with three-phase voltage connected to the line side 6.7.1.1 testing the synchronizing function this section is applicable o...

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    3.1. U-bus = 100% ubase and f-bus = 50.25 hz 3.2. Verify that the function does not operate when frequency difference is above limit. 4. Repeat with different frequency differences for example, 100 mhz with f-bus nominal and line leading and for example 20 mhz (or just above freqdiffmin) to verify t...

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    1. Apply voltages u-line (for example) = 100% ubase and u-bus = 100% ubase, with a phase difference equal to 0 degrees and a frequency difference lower than freqdiffa and freqdiffm 2. Check that the autosyok and mansyok outputs are activated. The test can be repeated with other phase difference valu...

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    1. Apply voltages u-line equal to 100% ubase and u-bus equal to 100% ubase, with a frequency difference equal to 0 mhz and a phase difference lower than the set value. 2. Check that the autosyok and mansyok outputs are activated. 3. Apply voltage to the u-line equal to 100% ubase with a frequency eq...

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    1. Apply a single-phase voltage 100% ubase to the u-bus, and a single-phase voltage 30% ubase to the u-line. 2. Check that the autoenok and manenok outputs are activated. 3. Increase the u-line to 60% ubase and u-bus to be equal to 100% ubase. The outputs should not be activated. 4. The test can be ...

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    6.7.1.4 testing the voltage selection testing the voltage selection for single cb arrangements this test should verify that the correct voltage is selected for the measurement in the energizing check function used in a double-bus arrangement. Apply a single- phase voltage of 100% ubase to the u-line...

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    Selections and settings intended for use are verified. If one chooses to reduce some time settings in order to speed up verification, be careful to set the parameters at intended operational values at the end of the verification procedure. One such parameter is the treclaim time and could result in ...

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    • a bi-stable relay (br) or two auxiliary relays to simulate a cb • two push-buttons (sc, st) to operate the br and a change-over switch (sry) to simulate cbready • possibly a switch simulation the synchronizing check sesrsyn condition ied smbrrec - closecb trip smbrrec - cbpos smbrrec - cbready br ...

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    If that is not possible, other means of time measurement and recording should be arranged. 6.7.2.2 switching the autorecloser function to on and off 1. Set the operation setting to off and check the state. 2. Set the operation setting to on and check the state, including seton and ready. The cb shou...

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    6.7.2.4 checking the reclosing conditions when checking the influence of a releasing condition it is suggested to first run a sequence with the condition fulfilled. When the condition signal is removed, and a new sequence is run, it indicates that the result was due to the changed condition. In case...

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    Restoring equipment after the tests, restore the equipment to normal or desired state. Check the following items in particular: 1. Check the operation counters. Reset the counters to zero, if that is the user's preference. The counter reset function is found on the local hmi under main menu/clear/cl...

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    If a block/unblock command is sent from remote to function, while the ied is shut down, this command will not be recognized after the start up, thus the command that was sent prior to the shut down is used. In such cases, where there is a mismatch, the user is advised to make a complete cycle of blo...

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    The functional output trip should be active at each fault. The output cllkout must not be set. 3. Activate the automatic lockout function, set autolock = on and repeat beside the trip outputs, cllkout should be set. 4. Reset the lockout signal by shortly thereafter activating the reset lockout (rstl...

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    6.11 exit test mode the following procedure is used to return to normal operation. 1. Navigate to the test mode folder. 2. Change the on setting to off. Press the 'e' key and the left arrow key. 3. Answer yes, press the 'e' key and exit the menus. Section 6 1mrk 511 248-uen - testing functionality 8...

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    Section 7 commissioning and maintenance of the fault clearing system 7.1 commissioning and maintenance of the fault clearing system about this chapter this chapter discusses maintenance tests and other periodic maintenance measures. 7.1.1 installation and commissioning the protection ied is in an on...

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    • trip circuit supervision • protection dc supply supervision • dc system earth fault supervision • busbar protection ct-circuit supervision protection ieds shall be encapsulated according to environment requirements. In tropical climates, cubicles are provided with glass-door and ventilation louvre...

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    • visual inspection of all equipment. • removal of dust on ventilation louvres and ieds if necessary. • periodic maintenance test for protection ieds of object where no redundant protections are provided. Every four to six years • periodic maintenance test for protection ieds of objects with redunda...

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    Right order to allow for simple and safe secondary testing even with the object in service. Preparation before starting maintenance testing, the test engineers should scrutinize applicable circuit diagrams and have the following documentation available: • test instructions for protection ieds to be ...

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    Trip circuit check when the protection ied undergoes an operational check, a tripping pulse is normally obtained on one or more of the output contacts and preferably on the test switch. The healthy circuit is of utmost importance for the protection operation. If the circuit is not provided with a co...

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    To harmonics. Normally a cvt secondary can have around 2.5 - 3% third-harmonic voltage. Restoring maintenance is very important to improve the availability of the protection system by detecting failures before the protection is required to operate. There is however little point in testing healthy eq...

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    Section 8 troubleshooting 8.1 fault tracing 8.1.1 identifying hardware errors 1. Check the module with an error. • check the general ied status in main menu/diagnostics/ied status/ general for a faulty hardware module. • check the history of changes in internal event list in main menu/ diagnostics/i...

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    8.1.3.1 checking the communication link operation there are several different communication links on the product. First check that all communication ports that are used for communication are turned on. 1. Check the front communication port rj-45. 1.1. Check that the uplink led is lit with a steady g...

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    8.2 indication messages 8.2.1 internal faults when the ready led indicates an internal fault by flashing, the message associated with the fault is found in the internal event list in the lhmi menu main menu/diagnostics/internal events. The message includes the date, time, description and signal stat...

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    Internal fault signals can also be checked via the lhmi in main menu/diagnostics/ ied status/general. When a fault appears, record the fault indication message and state it when ordering service. Table 4: warning indications warning indication additional information warning iec 61850 error iec 61850...

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    • check that the function is on. • check that the correct setting group (1 to 4) is activated. • check the blocking. • check the mode. • check the measurement value. • check the connection to trip and disturbance recorder functions. • check the channel settings. 8.3.2.1 inspecting the wiring the phy...

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    A 1 2 3 4 v guid-bbaeaf55-8d01-4711-a71d-bbc76b60ba3d v1 en figure 15: testing output contacts using the voltage drop method 1 contact current 2 contact voltage drop 3 load 4 supply voltage section 8 1mrk 511 248-uen - troubleshooting 98 commissioning manual.

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    V 1 2 a guid-31df5495-91f1-4a4b-8fd5-50625038961e v1 en figure 16: testing a trip contact 1 trip contact under test 2 current limiting resistor • to check the status of the output circuits driving the output relay via the lhmi, select main menu/tests/binary output values/binary output modules and th...

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    Navigating to the actual i/o-board and the binary input in question. The activated output signal is indicated with a yellow-lit diode. Each bon_po is represented by two signals. The first signal in lhmi is the actual value 1 or 0 of the output, and in pcm600 a lit or dimmed diode. The second signal ...

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    Section 9 glossary ac alternating current act application configuration tool within pcm600 a/d converter analog-to-digital converter adbs amplitude deadband supervision ai analog input ansi american national standards institute ar autoreclosing asct auxiliary summation current transformer asd adapti...

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    Cpu central processor unit cr carrier receive crc cyclic redundancy check crob control relay output block cs carrier send ct current transformer cvt capacitive voltage transformer dar delayed autoreclosing darpa defense advanced research projects agency (the us developer of the tcp/ip protocol etc.)...

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    Fox 20 modular 20 channel telecommunication system for speech, data and protection signals fox 512/515 access multiplexer fox 6plus compact time-division multiplexer for the transmission of up to seven duplex channels of digital data over optical fibers g.703 electrical and functional description fo...

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    I-gis intelligent gas-insulated switchgear instance when several occurrences of the same function are available in the ied, they are referred to as instances of that function. One instance of a function is identical to another of the same kind but has a different number in the ied user interfaces. T...

  • Page 113

    Apparent impedance to the fault applied to the balance point, that is, the set reach. The relay “sees” the fault but perhaps it should not have seen it. Pci peripheral component interconnect, a local data bus pcm pulse code modulation pcm600 protection and control ied manager pc-mip mezzanine card s...

  • Page 114

    Sma connector subminiature version a, a threaded connector with constant impedance. Smt signal matrix tool within pcm600 sms station monitoring system sntp simple network time protocol – is used to synchronize computer clocks on local area networks. This reduces the requirement to have accurate hard...

  • Page 115

    Dissemination of standard frequencies and time signals. Utc is derived from international atomic time (tai) by the addition of a whole number of "leap seconds" to synchronize it with universal time 1 (ut1), thus allowing for the eccentricity of the earth's orbit, the rotational axis tilt (23.5 degre...

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    108.

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    109.

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