ur_420 - GE Digital Energy
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1. not in this category G Change A neutral change that does not bring any new value and is not correcting any known problem E Enhancement Modification of an existing feature bringing extra value to the application D Changed incomplete or false Changes to or problems with text messages LEDs and user faceplate indications pushbuttons R Changed incomplete or false Changes to or problems with relay records oscillography relay records demand fault reports etc C Protocols and communications Changes to or problems with protocols or communication fea tures Metering Metering out of specification or other metering problems P Protection out of specification Protection operates correctly but does not meet published speci fications example delayed trip U Unavailability of protection Protection not available in a self demonstrating way so that cor rective actions could be taken immediately H Hidden failure to trip Protection may not operate when it should F False trip Protection may operate when it should not B Unexpected restart Relay restarts unexpectedly The code letter is placed to the left of the description An internal GE reference number is placed to the right of the description This number may be used to reference the modification when contacting GE Multilin GE Multilin technical support GE Multilin contact information and call center for product support is shown below GE Multilin 215 Anderson Avenue Markham Ont2. GE Industrial Systems UR Universal Relay series Revision 4 20 release note GE Publication Number GER 4029 Copyright 2004 GE Multilin Overview Summary e Affected products UR Universal Relay series e Date of release June 30 2004 e Firmware revisions 4 20 e Boot code revision 3 01 Release summary This document contains the release notes for the 4 20 release of the UR Universal Relay series The following relay models are covered by this note e B30 Bus Differential Relay e C30 Controller e C60 Breaker Management Relay e D30 Line Distance Relay e D60 Line Distance Relay e F35 Multiple Feeder Management Relay e F60 Feeder Management Relay e G60 Generator Management Relay e L90 Line Differential Relay e M60 Motor Relay e N60 Network Stability and Security Relay e 735 Transformer Management Relay e 760 Transformer Management Relay GE Multilin 1 Overview UR series revision 4 20 release note New features and modifications to existing features listed in the following section with corresponding revision categories and reference numbers A change list for the Instruction Manuals is also included This document uses the following categories to classify the changes Table 1 Revision categories Code Category Comments N New feature A separate feature added to the relay Changes to existing fea tures even if they significantly expand the functionality are
3. ario Canada L6E 1B3 Telephone 905 294 6222 or 1 800 547 8629 North America 34 94 485 88 00 Europe Fax 905 201 2098 North America 34 94 485 88 45 Europe E mail multilin tech indsys ge com Home Page http www GEindustrial com multilin GE Multilin UR series revision 4 20 release note Release details Release details New features Breaker and a Half implement breaker and a half functionality on the L90 relay The L90 algorithm was modified to allow handling of breaker and a half configurations taking advantage of the two CT VT module capability of the new hardware Before this enhancement currents from two breakers had to be summed externally With release 4 20 up to four local currents can be summed internally An advanced restraint algorithm selects the maximum local current as a restraint current preventing possible misoperation resulting from CT saturation during an external bus fault behind one of the breakers This enhancement allows distributed bus protection where up to 12 breakers can be included in the bus zone over a wide physical area Breaker Arcing Current feature added to additional UR series models The breaker arcing current feature has been added to all the F35 T35 and T60 relays Breaker Flashover feature implemented on C60 D60 F60 L90 and M60 relays Breaker flashover is declared when the following conditions are satisfied 1 Breaker is open 2 A voltage drop is measured from either
4. cing Current feature have been added to the user programmable fault report Voltage Metering error in FlexAnalog voltage metering data The FlexAnalog voltage metering values were found to be outside of specifications when the programmed VT Ratio was low Errors were found when the non integer portion of the ratio was substantial compared to the ratio primary i e 2 5 1 0 5 2 25 The error diminished as the VT ratio was increased The metered value when this error occurred would be read as below the expected value In previous releases any FlexElements using FlexAnalog voltages as their inputs would need the thresholds to be modified lowered to compensate for this metering error This has been fixed for the 4 20 release enerVista UR Setup changes The enerVista UR Setup software 4 20 supports UR series released 1 80 through 4 20 8 GE Multilin 11914 12164 9120 12769 12925 11375 13021 7602 12291 11741
5. e Sequence Overvoltage element does not create a DPO event when switching setting groups The relay did not produce a DPO event record when switching settings from a group where the Negative Sequence Overvoltage element was operated to a group where the element was in the DPO condition This has been fixed for the 4 20 release Phase Overvoltage no Phase Overvoltage DPO event generated when blocked The Phase Overvoltage element did not generate a DPO event in the event recorder when the BLOCK Operand was asserted This has been fixed for the 4 20 release GE Multilin 7 6661 12583 10868 10817 11217 10829 11238 13082 10999 11253 enerVista UR Setup changes UR series revision 4 20 release note Restart Delay minimum delay range change for the M60 Restart Delay element The range of the RESTART DELAY MINIMUM DELAY setting has changed from 0 to 300 minutes with a step value of 1 minute to O to 50000 seconds with a step value of 1 second Thermal Model operand name change and missing display units added The MOTOR OP FlexLogic operand has been re named as MOTOR THERMAL OP The units for the ACCELERATION CURRENT and ACCELERATION TIME settings were missing from the front panel display These units are now displayed with release 4 20 Thermal Model Start Inhibit and Thermal Lockout Time enhancements in M60 relay In operational conditions where a motor is stopped or tripped by thermal overload protectio
6. e relay to take over 10 minutes to switch from a primary to a backup client e g switching from a primary DNP master to a secondary DNP master With the 4 20 release this network delay has been reduced to approximately 2 minutes 2 minutes to detect that the connection is dead and 30 seconds to close the network connection Contact Inputs Outputs delay in contact input response time An unexpected latency of contact input response time has been fixed for the 4 20 release It was found that a change in contact input status might not be recognized until the next protection pass has elapsed Direct Devices direct device status display incomplete The direct device status displays would show only a maximum of 8 devices instead of the correct value of 16 This has been fixed for the 4 20 release Direct Inputs Outputs Channel ID and direct input output changes for the L90 relay The following changes were implemented for the L90 direct input output feature 1 The CHANNEL 2 ID is validated for 3 terminal systems only In previous releases the Channel 2 ID had to be programmed and was checked for 2 terminal 2 channel systems as well 2 For 2 terminal 2 channel systems the TERMINAL 1 ID setting has to be checked against received Channel ID at both channels 3 For 2 terminal 2 channel systems the direct inputs outputs have to be processed at Channel 2 in the case that Channel 1 fails In previous releases the direct inputs returned to th
7. eir default states when Channel 1 failed GE Multilin 5 11958 12517 6972 10379 12253 12100 10825 Release details UR series revision 4 20 release note Direct Inputs Outputs errors in Channel 2 of direct input output cards The firmware was changed to correctly set an internal microprocessor register used during the transmission of data through channel two of direct input output cards Previously this register was set incorrectly which resulted in occasional transmission errors The error rate was low and the re transmission scheme of direct input output made the problem difficult to detect Channel one was not affected by this change Direct Inputs Outputs incorrect or missing FlexLogic operands for type 2A 2E and 2F communications modules for the L90 relay The following issues were present with the 2A 2E and 2F communications modules Module Issue Solution 2A This is a single channel module but Flex Only FlexLogic operands for a single channel Logic operands were made available for two are now available channels 2E No FlexLogic operands were available for this FlexLogic operands are now available for this module module 2F No FlexLogic operands were available for this FlexLogic operands are now available for this module module Energy Metering incorrect reporting of energy data The stored energy data for watt hours and var hours would change i
8. elay accuracy was out of stated specifications of 3 or 20 ms whichever is greater for timer settings greater than 65 5 seconds This has been fixed for the 4 20 release Motor Acceleration Time Acceleration Time DPO operand correction in the M60 relay The ACCELERATION TIME DPO operand should be the inverse of the ACCELERATION TIME OP operand but remained On regardless of the OP state This has been fixed for the 4 20 release Motor Protection lockout timers being cleared In previous releases the Starts Hour Lockout Restart Delay Lockout and Time Between Starts Lockout timers would reset to zero when relay control power is cycled The values of these timers are now retained and their values decremented for the duration that control power had been removed from the M60 relay Motor Start Inhibit Motor Start Inhibit event record updated in the M60 relay In previous releases the assertion of the MOTOR START INHIBIT operand would record Invalid in the event recorder This has been fixed for the 4 20 release Motor Status incorrect motor status display in the M60 relay The Motor Status display on the faceplate could possibly show BAD ENUM rather than Offline Starting Running or Overload after downloading a newer release into the M60 Consultation with the factory was required to correct this situation This has been fixed for the 4 20 release Negative Sequence Overvoltage the Negativ
9. f the source CT or VT primary settings were changed Release 4 20 ensures that these energy values remain constant during CT or VT setting changes Fault Locator fault location report updates The Event Record Number at Trigger item in the fault location report text file was corrected to agree with the Event Record Number at Trigger item in the corresponding web page In previous releases the text file value was off by one The name Post fault data was changed to Fault data to more accurately reflect the nature of the data No changes to functionality were made Fault Locator fault location reports to include fault duration The fault duration times for each of the breakers created by Breaker Arcing Current feature have been added to the Fault Location report Fault Report incorrect Fault Report 1 length units display The display for FAULT REP 1 LENGTH would incorrectly place the units name ex miles in the display field This has been fixed for the 4 20 release Frequency Rate of Change incorrect operation of the Frequency Rate of Change element When the BLOCK operand was asserted and then de asserted the Frequency Rate of Change element did not reset its pickup timer Also the Auxiliary Undervoltage element did not generate a DPO event in the event recorder when the BLOCK operand was asserted These issues have been fixed for the 4 20 release Generator Unbalance Generator Unbalance Therma
10. l Memory not cleared when the element is disabled in the G60 relay The thermal memory of the Generator Unbalance element would not reset when the element was disabled If the element were to be subsequently enabled the thermal memory would be at the level it was when last disabled This could result in an inadvertent operation immediately upon 6 GE Multilin 13019 12747 10617 10751 12291 12911 11252 10598 UR series revision 4 20 release note Release details enabling the element if the element were operated when it was last disabled Release 4 20 fixes this issue High Impedance Detection Armed and Timeout states in Actual Values Status menu The status of the Hi Z algorithm is displayed in the ACTUAL VALUES gt STATUS gt HI Z menu Although the Hi Z element operates as per specification the Coordination Timeout or the Armed state of the algorithm are not displayed as actual values The 4 20 release fixes this issue Internal Enhancement internal resource modification Modifications have been made to internal firmware structures for release 4 20 These changes are transparent to the user Internal Enhancement modifications to internal development tools Modifications have been made to firmware required for internal product development These changes are transparent to the user Mechanical Jam Mechanical Jam pickup reset time delay inaccuracy in M60 relay The Mechanical Jam Pickup Reset Time D
11. l shots are always three pole The dead for each shot is individually set These changes are applicable to the 4 20 release for the C60 D60 and L90 relays Auxiliary Undervoltage no Auxiliary Undervoltage DPO event generated when blocked 10978 The Auxiliary Undervoltage protection element did not generate a DPO event in the event recorder when the BLOCK operand was asserted This issue has been fixed for the 4 20 release Breaker Arcing Current the breaker arcing current feature to include calculation of fault 12290 duration A new feature has been added to the Breaker Arcing Current function that performs fault duration calculations Fault duration is defined as the time between the operation of the disturbance detector occurring before a trigger and the reset of a low set overcurrent detector Communications DNP Binary Inputs Change timestamps for Contact Inputs 8739 A firmware update has been made to the assignment of timestamps for contact input state changes when reported as DNP Binary Input Change events The firmware now provides the same timestamp for DNP Binary Input Change events as recorded in the UR event record The UR event record was not changed The timestamps reported via DNP Binary Input Change events now match the event record Previously the timestamp reported via DNP Binary Input Change events for contact inputs was delayed by the contact input debounce time plus up to 1 8 cycle The timestamp algorithm is shown bel
12. n the Thermal Model operation does not assert the MOTOR START INHIBIT FlexLogic operand for the duration of the thermal lockout time With release 4 20 the Thermal Model logic has been modified to assert the MOTOR START INHIBIT FlexLogic operand when appropriate Please refer to the Thermal Model section in the M60 Motor Relay manual for a detailed description Transducer Inputs Outputs dcmA output source name display incorrect The display for the dcmA source name did not match the text as described in the user manual This has been fixed for the 4 20 release User Programmable Fault Report add User Programmable Fault Report newest record number counter to MMS UR domain The Newest Record Number data item from the User Programmable Fault Report feature has been made available as the MMS protocol data item UR UserFaultRep NewestRecNum User Programmable Fault Report missed triggering on user programmable fault reporting A user programmable fault report should be created when the fault trigger transitions to active high less than 1 second after the pre fault trigger transitions to active low In some instances the user programmable fault report failed to be generated when the trigger transitions occurred as per specification The 4 20 release has been modified to fix this issue User Programmable Fault Report reports to include fault duration The fault duration times for each of the breakers created by Breaker Ar
13. otocol The firmware now provides the same timestamp for IEC 60870 5 104 Binary Input Change events as recorded in the event record The event record was not changed The timestamps reported via IEC 60870 5 104 now match the event record Previously the timestamp reported via IEC 60870 5 104 for contact inputs was delayed by the contact input debounce time plus up to 1 8 cycle Communications RS422 and G 703 communication cards fixed to run only at 64 kbaud The 4 20 release ensures that direct input output communication cards containing RS422 and or G 703 communication interfaces run only at 64 kbaud The DIRECT I O DATA RATE setting has no effect for these cards In previous revisions the DIRECT I O DATA RATE setting could be used to change the data rate for these cards However due to clocking requirements these cards must be run at only 64 kbaud Communications settings added for DNP default variations Settings have been added to allow the user to select the DNP default variation number for object types 1 2 20 21 22 23 30 and 32 In previous releases the default variations for these object types were fixed Communications speed up the shut down process for dead TCP connections When a client connection to a UR series relay becomes inactive e g if the client computer crashes or if the physical network connection is broken the relay could take approximately 10 minutes to close this dead connection This could cause th
14. ow for reference Ww Se g a USER PROGRAMMABLE THRESHOLD 0 gt 7 gt i Time stamp of the first 6 Time stamp of the first At this time the The FlexLogic scan corresponding to the At this time the new scan corresponding to new HIGH operand is going to new validated state is Low zont ct state is the new validated state is contact state is be asserted at this logged in the SOE record Validated logged in the SOE record validated a protection pass St L A P j The FlexLogic e2 e2e208080002080880808080 eo operand is going to be s de asserted at this X k J v e DEBOUNCE TIME protection pass user setting a d a 0 eeoeeeeeeeneer J v m DEBOUNCE TIME The FlexLogic operand RAW CONTACT STATE The FlexLogi operand ti changes reflecting the A SCAN TIME changes reflecting the user setting _ validated contact state 0 5 msec validated contact state g FLEXLOGIC OPERAND PROTECTION PASS 8 times a cycle controlled by the frequency tracking mechanism 842709A1 cd cdr 4 GE Multilin UR series revision 4 20 release note Release details Communications IEC 60870 5 104 timestamps for Contact Input point changes A firmware update has been made to the assignment of timestamps for contact input state changes when reported via IEC 60870 5 104 pr
15. side of the breaker during the flashover period 3 There is voltage difference drop 4 A flashover current is measured through the breaker Communications EGD protocol added to the B30 relay The EGD Protocol has been added to the B30 relay with release 4 20 Digital Counters feature added to the F35 and T35 relays A total of eight 8 digital counters have been added to both F35 and T35 relays Ground Time Overcurrent feature added to T35 relay Ground time overcurrent protection ANSI 51G has been added to the T35 relay to satisfy requirements for ground fault trip coordination with same or similar protections from upstream and downstream power system Hardware new module type for redundant power supply Release 4 20 allows for the addition of a second power supply in the X slot of the relay chassis The module types are redundant high voltage power supply RH redundant low voltage power supply RL GE Multilin 3 8813 12030 12075 12115 12146 12284 12285 12474 12817 12864 13052 12288 12287 12690 12289 12470 12540 Release details UR series revision 4 20 release note Modified features Autoreclose number of shots for single pole autoreclosure increased from 2 to 4 11800 The number of autoreclosure shots was increased from 2 to 4 In either the 1 Pole or 1 amp 3 Pole mode the first shot is single pole while the consequent three shots are three pole In 3 Pole mode al
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