ABB COM600 series User's & Technical Manual
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ABB COM600 series User's & Technical Manual

ABB COM600 series User's & Technical Manual

5.1 substation analytics
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COM600 series 5.1
Substation Analytics Technical Manual

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  • Page 1 — COM600 series 5.1 Substation Analytics Technical Manual...

  • Page 3: Table Of Contents

    1MRS758734 COM600 series 5.1 Issued: 9.4.2018 Substation Analytics Technical Manual Version: B/9.4.2018 Contents: About this manual .................. 5 1.1. Copyright ..................5 1.2. Disclaimer ..................5 1.3. Conformity ..................6 1.4. Trademarks ..................6 1.5. General information ............... 6 1.6.
  • Page 4 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual 4.8. Signals ..................38 4.9. Settings ..................56 4.10. Monitored Data ................43 Circuit breaker condition monitoring SSCBR ........45 5.1. Identification ................. 45 5.2. Functionality ................. 45 5.3. Operation Principle ..............45 5.4.

  • Page 5: About This Manual

    Copyright This document and parts thereof must not be reproduced or copied without written per- mission 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 may be used, copied, or disclosed only in accordance with the terms of such license.

  • Page 6: Conformity

    (EMC Directive 2004/108/EC) and concerning electrical equipment for use within specified voltage limits (Low-voltage directive 2006/95/EC). This conformity is the result of tests conducted by ABB in accordance with the product standards EN 50263 and EN 60255-26 for the EMC directive, and with the product standards EN 60255-1 and EN 60255-27 for the low voltage directive.

  • Page 7: Use Of Symbols

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual • The following convention is used for menu operations: MenuName > Menu- Item > CascadedMenuItem. For example: select File > New > Type. • The Start menu name always refers to the Start menu on the Windows taskbar.

  • Page 8: Document Revisions

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual 1.8. Document revisions Document version/date Product revision History A/24.5.2017 Document created B/9.4.2018 Document revised 1.9. Functions, codes and symbols Function Description IEC 61850 Identi- IEC 60617 Identi- ANSI / IEEE fication fication...

  • Page 9: Overview

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Overview 2.1. Overview COM600 contains two substation analytics applications: fault locator and circuit breaker condition monitoring. These application operate on data gathered from IEDs on the substation. 2.2. Operating Principle Data is gathered from IEDs in different formats. The measurement data is gathered from disturbance records in COMTRADE format.

  • Page 10: Application Configuration

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Application Configuration 3.1. PCM600 Configuration COM600 applications are configured in PCM600. Both fault locator and circuit breaker condition monitoring applications are split into multiple different main applications. The on-demand semantics is achieved with these main applications.

  • Page 11: Developing Faults Analytics Main Application

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual 3.2.4. Developing Faults Analytics Main Application The developing faults main application run every time there is a new disturbance recording from the IED. This part of the logics does not try to determine the fault type;...

  • Page 12: Gas Pressure Trigger Application

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Periodic triggering is used to ensure the accuracy of charge time calculation. 3.3.4. Gas Pressure Trigger Application Gas pressure trigger application listens to data changes of trigger data points coming from the IED. Trigger condition are based on status changes of the gas pressure signal.

  • Page 13: Fault Locator Scefrflo

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Fault locator SCEFRFLO 4.1. Identification Function Description IEC 61850 identifica- IEC 60617 identifica- ANSI/IEEE identifica- tion tion tion Fault locator function SCEFRFLO FLOC 21FL 4.2. Functionality The fault locator function FaultLocator_sc_A provides impedance-based fault location.
  • Page 14 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual functional_module_diagram.png Figure 4.3-1 Functional module diagram Fault loop indication (PSL) The fault distance calculation is done in two steps. The fault type is determined with the inbuilt Phase Selection Logic (PSL) and then the fault distance is calculated.
  • Page 15 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual provides the correct result for a specific fault type. A three-phase fault is an exception and theoretically it can be calculated with any of the fault loops. The fault loop used in the fault distance calculation is indicated in the monitored data FAULT_LOOP as spe- cified in Table 4.3-1.
  • Page 16 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual fault loops. SCEFRFLO employs independent algorithms for each fault type to achieve optimal performance. The inherent result from the fault distance calculation is the ohmic fault loop impedance value. equation_2.png Figure 4.3-3 (Equation 2) The value can be utilized as such or it can be further processed in system level fault localization applications.
  • Page 17 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual equation_6.png Figure 4.3-7 (Equation 6) fault_loop_impedance_for_phase-to-earth_fault_impedance_loops.png Figure 4.3-8 Fault loop impedance for phase-to-earth fault impedance loops “AG Fault”, “BG Fault” or “CG Fault” The earth-fault distance calculation algorithm is selected by setting EF algorithm Sel to either “Load compensation”...
  • Page 18 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual description_of_the_equivalent_load_distance.png Figure 4.3-9 Description of the equivalent load distance The value of Equivalent load Dis can be calculated based on the load flow and voltage drop calculations using equation: equation_7.png Figure 4.3-10 (Equation 7)
  • Page 19 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual In case of evenly distributed load, Equivalent load Dis ~ 0.5. When the load is tapped at the end of the line, Equivalent load Dis = 1.0. If nothing else is known, a good initial guess for Equivalent load Dis is 0.5.
  • Page 20 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual equation_10.png Figure 4.3-13 (Equation 10) equation_11.png Figure 4.3-14 (Equation 11) fault_loop_impedance_phase-to-phase_fault_impedance_loops.png Figure 4.3-15 Fault loop impedance for phase-to-phase fault impedance loops (either “AB Fault”, “BC Fault” or “CA Fault”) For the fault loops 12, 23, 31, the estimated fault resistance is half the total fault resistance between the phases.
  • Page 21 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual FLT_DISTANCE output is not valid. The estimated impedances are still calculated and shown normally in their respective outputs. Fault loop “ABC Fault” Fault loop “ABC Fault” is used exclusively for the three-phase short circuit fault. Fig- ure 4.3-19 shows the measured impedances.
  • Page 22 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual The fault distance calculation algorithm for the three-phase fault impedance loop is defined by using the setting Load Com PP loops = "Disabled"/"Enabled" and setting Simple mode PP loops = "Disabled"/"Enabled" setting.
  • Page 23 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Explanation of variations.png Figure 4.3-20 Connection of a physical fault resistance is connected in different fault loops The estimated fault point resistance (recorded data RF) for fault loops “AB Fault”, “BC Fault” or “CA Fault” is half of the total physical fault point resistance between the phases.
  • Page 24 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual • Immediately after the fault occurrence, the estimate is affected by initial transient in voltages and currents. • After one cycle, when the fault has occurred, the fault distance starts to converge towards the final value.
  • Page 25 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual triggering. This guarantees that the load compensation uses valid data from the load conditions. Internal In case of internal triggering, the TRIGG input is not used for triggering. Instead, the trigger signal is created by PSL. The challenge is to time the triggering moment so that there is sufficient measuring time without the feeder breaker being operated.
  • Page 26 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Another example of FaultLocator_sc_A is to trig it with generic trip signal update from the IED. Fault Location with autoreclosing function When Fault Location is used with the autoreclosing sequence, the distance estimate from the first trip is typically the most accurate one.
  • Page 27 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual • Saturation. The saturation of current or voltage transformers increases certain har- monics, especially the second, the fifth and the seventh. Saturation deteriorates the fault distance estimate. • In unearthed networks, the ratio between the earth-fault current (Rfault = 0 ohms) and load current magnitude is critical.
  • Page 28 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual alarm_output_usage_with_location_between_set_limits.png Figure 4.3-23 An example of the ALARM output usage when alarm is given with location between set limits Impedance settings The fault distance calculation in SCEFRFLO is based on the fault impedance loop modeling.
  • Page 29 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Table 4.3-2 Positive-sequence impedance values for typical 10/20 kv conductors, “Flat” tower configuration assumed Name R1 [Ω/km] X1 [Ω/km] Al/Fe 36/6 Sparrow 0.915 0.383 Al/Fe 54/9 Raven 0.578 0.368 Al/Fe 85/14 Pigeon 0.364...
  • Page 30 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual distance [m] between phases x and y r radius [m] for single conductor typical_distribution_line_tower_configurations.png Figure 4.3-25 Typical distribution line tower configurations Zero-sequence impedance values The zero-sequence impedances per unit are needed only with earth-fault localization.
  • Page 31 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual equation_18.png Figure 4.3-28 (Equation 18) R1 conductor AC Resistance [ /km] the equivalent depth [m] of the earth return path Earth resistivity r the equivalent radius [m] for conductor bundle radius[m] for signal conductor...
  • Page 32 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual equivalent_diagram_protected_feeder.png Figure 4.3-29 Equivalent diagram of the protected feeder. RL0F = Ph leakage Ris. The determination of the Ph capacitive React setting can be based either on network data or measurement. If the total phase-to-earth capacitance (including all branches) per phase C0F of the protected feeder is known, the setting value can be calculated.
  • Page 33 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual changes, the value is no longer valid. In this case, the setting should be updated, for example by repeating the test. The calculation procedure of the Ph capacitive React setting is triggered by the binary signal connected to the TRIGG_XC0F input when earth fault is conducted.
  • Page 34 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual impedance_diagram_example.png Figure 4.3-33 Impedance diagram example If the impedance of an individual line section varies, an accurate conversion of the fault loop reactance into a physical fault distance, for example into kilometres, is not possible with only one impedance setting.
  • Page 35 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual B, R0 line section B, X0 line section B, R1 line section C, X1 line section C, R0 line section C, X0 line section C and the parameters Line Len section A, Line Len section B, Line Len section C are enabled for the conversion of the electrical fault distance into a physical distance.

  • Page 36: Base Values

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Taps or spurs in the feeder If the protected feeder consists of taps or spurs, the measured fault impedance corresponds to several physical fault locations (For example, A or B in Figure 4.3-34).

  • Page 37: Recorded Data

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual for example "Phase Grp 1", "Phase Grp 2" and "Phase Grp 3". One of the groups to be used with the Base value Sel phase setting must be selected. 4.5. Recorded Data...

  • Page 38: Configuration

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Reliable information on the fault location greatly decreases the downtime of the protected lines and increases the total availability of a power system. SCEFRFLO can be applied as a device level solution or as a part of a system level solution.
  • Page 39 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Name Type Default Description WT_TRIP BOOLEAN False Trip signal, application triggering logic WT_AR_STATUS BOOLEAN False AR Status, application triggering logic R_UI1 DOUBLE Phase A Voltage, fault location calculation input R_UI2 DOUBLE Phase B Voltage, fault...
  • Page 40 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Parameter Val- Unit Step Default Description ues(Range) GroupDelay Type new para Group delay here for samples of the input sig- nal [ms] SamplingFre- Type new para 1600 Sampling fre- quency here quency of the...
  • Page 41 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Parameter Val- Unit Step Default Description ues(Range) Ph leakage 1…1000000 60640 Line PhE leak- age resistance in primary ohms Ph capacitive 1…1000000 Line PhE React capacitive reactance in primary ohms EF algorithm...
  • Page 42 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Parameter Val- Unit Step Default Description ues(Range) X1 line section 0.001…1000 Ohm/pu 0.001 0.329 Positive- sequence line reactance, line section A R0 line section 0.001…1000 Ohm/pu 0.001 0.832 Zero- sequence line resistance,...

  • Page 43: Monitored Data

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Parameter Val- Unit Step Default Description ues(Range) X0 line section 0.001…1000 Ohm/pu 0.001 Zero- sequence line reactance, line section C Line Len sec- 0.001…1000 0.001 Line length, tion C section C Load Com PP...
  • Page 44 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Name Type Values Unit Description WR_FLT_TYPE INTEGER 0…2147483647 Type Fault type new para here WR_BREAKS INTEGER 0…2147483647 Type Breaks new para here WR_VALIDITY INTEGER 0…2147483647 Type Validity new para here WR_PHASE INTEGER 0…2147483647...

  • Page 45: Circuit Breaker Condition Monitoring Sscbr

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Circuit breaker condition monitoring SSCBR 5.1. Identification Function description IEC 61850 Identifica- IEC 60617 Identifica- ANSI / IEEE C37.2 tion tion Device number Circuit breaker condi- SSCBR CBCM CBCM tion monitoring 5.2.

  • Page 46: Circuit Breaker Status And Breaker Contact Travel Time

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual functional_module_diagram_sscbr.png Figure 5.3-1 Functional module diagram 5.4. Circuit breaker status and breaker contact travel time 5.4.1. Circuit breaker status and breaker contact travel time The Circuit breaker status sub-function monitors the position of the circuit breaker, that...

  • Page 47: Breaker Contact Travel Time

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual status monitoring can be described by using a module diagram. All the modules in the diagram are explained in the next sections. functional_module_diagram_for_monitoring_circuit_breaker_status.png Figure 5.4.1-1 Functional module diagram for monitoring circuit breaker status Phase current check This module compares the three phase RMS currents to the setting RMS Current Level.
  • Page 48 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual opening travel time is measured between the opening of the POSCLOSE auxiliary contact and the closing of the POSOPEN auxiliary contact. The travel time is also measured between the opening of the POSOPEN auxiliary contact and the closing of the POSCLOSE auxiliary contact.

  • Page 49: Circuit Breaker Operation Monitoring And Operation Counter

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual 5.5. Circuit breaker operation monitoring and operation counter 5.5.1. Circuit breaker operation monitoring and operation counter The purpose of the circuit breaker operation monitoring subfunction is to indicate if the circuit breaker has not been operated for a long time.

  • Page 50: Accumulation Of Iyt

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual The operation of the subfunction can be described with a module diagram. All the modules in the diagram are explained in the next sections. functional_module_diagram_for_counting_circuit_breaker_operations.png Figure 5.5.2-1 Functional module diagram for counting circuit breaker operations...
  • Page 51 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual functional_module_diagram_for_circuit_breaker_gas_pressure_alarm.png Figure 5.6-1 Functional module diagram for calculating accumulative energy and alarm Accumulated energy calculator This module calculates the accumulated energy I t [(kA) s]. The factor y is set with the Current exponent setting.

  • Page 52: Circuit Breaker Spring-Charged Indication

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual the limit value set with the LO Acc currents Pwr threshold setting, the IPOW_LO output is activated. The IPOW_ALM and IPOW_LO outputs can be blocked by activating the binary input BLOCK. 5.7.

  • Page 53: Application

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual functional_module_diagram_for_circuit_breaker_gas_pressure_alarm.png Figure 5.8-1 Functional module diagram for circuit breaker gas pressure alarm The gas pressure is monitored through the binary input signals PRES_LO_IN and PRES_ALM_IN. Timer 1 When the PRES_ALM_IN binary input is activated, the PRES_ALM alarm is activated after a time delay set with the Pressure alarm time setting.
  • Page 54 COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Breaker contact travel time High traveling times indicate the need for the maintenance of the circuit breaker mech- anism. Therefore, detecting excessive traveling time is needed. During the opening cycle operation, the main contact starts opening. The auxiliary contact A opens, the auxiliary contact B closes and the main contact reaches its opening position.

  • Page 55: Signals

    1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual 5.10. Signals Table 5.10-1 SSCBR input signals Name Type Default Description R_IL1 DOUBLE Phase A Current R_IL2 DOUBLE Phase B Current R_IL3 DOUBLE Phase C Current CB_POS Signal for open posi- tion of apparatus from...

  • Page 56: Settings

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Name Type Default Description CBAccEnePhsB DOUBLE 0 = false Phase B accumulated energy CBAccEnePhsC DOUBLE 0 = false Phase C accumulated energy SprChrTm DOUBLE 0 = false Spring charging time CbOprCnt Number of CB opera-...
  • Page 57 1MRS758734 COM600 series 5.1 Substation Analytics Technical Manual Parameter Values (Range) Unit Step Default Description Accumulated 0..25000 Energy 2500 Accumulated energy level Energy Alarm Level Accumulated 0..25000 Energy 2500 Accumulated energy lockout Energy Lockout level Level Correction Factor -10..10 Contact travel correction...

  • Page 58: Technical Revision History

    COM600 series 5.1 1MRS758734 Substation Analytics Technical Manual Parameter Values (Range) Unit Step Default Description Travel Time Calcu- Open command Open Travel time calculation lation Mode to position change com- mode mand to Calculation from position CB Binary Signals change 5.12.
  • Page 60 FI-65101 Vaasa, Finland Phone: +358 10 22 11 ABB Distribution Automation 4300 Coral Ridge Drive Coral Springs, Florida 33065 Phone: +1 954 752 6700 www.abb.com/mediumvoltage www.abb.com/substationautomation 1MRS758734 B/9.4.2018 © Copyright 2018 ABB. All rights reserved. Specifications subject to change without notice.

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