ABB REB500 Technical Manual
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ABB REB500 Technical Manual

Substation automation products distributed busbar protection
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See also: Commissioning Manual , Technical Manual
Block diagram of BFP
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Distributed busbar protection REB500
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Summary of Contents for ABB REB500

  • Page 1 Block diagram of BFP Substation Automation Products Distributed busbar protection REB500 Technical Manual...
  • Page 3 Document ID: 1MRK 505 350-UEN Issued: March 2016 Revision: A Product version: 8.2 © Copyright 2016 ABB. All rights reserved...
  • Page 4 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 and hardware described in this document is furnished under a license and may be used or disclosed only in accordance with the terms of such license.
  • Page 5 In case any errors are detected, the reader is kindly requested to notify the manufacturer. Other than under explicit contractual commitments, in no event shall ABB be responsible or liable for any loss or damage resulting from the use of this manual or the application of the equipment.
  • Page 6 (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 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 and local electrical safety regulations must always be followed.

  • Page 9: Table Of Contents

    Event memory................29 Time synchronization ..............30 3.7.1 Synchronizing using IRIG-B ............. 30 3.7.2 Synchronizing using PPS ............30 3.7.3 Synchronization by SNTP ............31 3.7.4 Additional settings ..............31 Section 4 Busbar protection ............33 Technical Manual Distributed busbar protection REB500...
  • Page 10 Enabling tripping commands ............55 6.2.1 Overcurrent release of the trip command........55 6.2.2 Release logic / matrix ..............57 6.2.3 Release by “31805_External release BB zone” ......59 6.2.4 Release by the internal voltage function ........59 Trip redirection ................59 Technical Manual Distributed busbar protection REB500...

  • Page 11: Section 1 Introduction

    Commissioning Manual 1MRK 505 351-UEN Application Manual 1MRK 505 353-UEN Bay protection Functions Cyber Security Guideline 1MRK 511 373-UEN Communication Protocol Manual 1MRK 511 370-UEN IEC 61850 Communication Protocol Manual 1MRK 511 371-UEN IEC 60870-5-103 Technical Manual Distributed busbar protection REB500...

  • Page 12: Symbols And Conventions

    1.4.2 Document conventions A particular convention may not be used in this manual. • Abbreviations and acronyms in this manual are spelled out in the glossary. The glossary also contains definitions of important terms. Technical Manual Distributed busbar protection REB500...
  • Page 13 The * character after an input or output signal name in the function block symbol given for a function indicates that the signal must be connected to another function block in the application configuration to achieve a valid application configuration. Technical Manual Distributed busbar protection REB500...

  • Page 14: Section 2 Signals

    All signals are listed in ascending order of their numbers in their respective filter groups. Signal designations The REB500 configuration assigns the signals to predefined inputs and outputs. Signals are designated according to the following convention: Table 1...
  • Page 15 Input on Bay TRIP unit Output on Bay Block command unit Input on Tripping Signal Central unit Output on Blocking Signal Central unit System Signal Bus image etc. OCDT Control Start General Alarm Technical Manual Distributed busbar protection REB500...

  • Page 16: Binary Inputs On Bay Units

    11120_BP External TRIP Tripping signal generated by the feeder protection part. Trips faults on a line or power transformer with the aid of the REB500 tripping contact. Tripping thus takes account of the busbar configuration at the time.
  • Page 17 11505_Close command CB The circuit-breaker close command is needed by the busbar and end fault protection in bus-tie breaker and configured feeder bay units to control the REB500 measuring system. 11510...11525_Supervision The supervision of the auxiliary supply is configured when the aux.
  • Page 18 In Table 7, some signals cannot be used to trigger a disturbance record: • 13210_BP Block BFP • 13610_BP Trip transfer • 13761_BP Start BFP L1L2L3_5 • 13770...13780_BP Start BFP Lp • 13785_BP Start BFP L1L2L3 • 13790_BP External start BFP Technical Manual Distributed busbar protection REB500...
  • Page 19 13805_Start BFP Q0 no I_1 The BFP timer starts when this signal is activated and the 13810_Start BFP Q0 no I_2 Breaker (11530_Breaker Position) is closed and valid (independently of the overcurrent measurement). Technical Manual Distributed busbar protection REB500...
  • Page 20 The number of these signals depends on the protection functions and signals included in the bay protection. Technical Manual Distributed busbar protection REB500...

  • Page 21: Binary Outputs On Bay Units

    In Table 12, the column “T” signifies the type of the signal: ● are considered for trip output while ○ are considered for signalization purpose. Column “L” shows whether the signal additionally appears in the trip list (●), in the alarm list (○), or in no list (-). Technical Manual Distributed busbar protection REB500...
  • Page 22 BU output signals for disturbance recorder (DR) Signal Description 26805_DR ready DR is standing by. 26810_DR memory full DR memory is full. 26815_DR recording DR is in the process of recording. 26820_DR record available Disturbance records are available. Technical Manual Distributed busbar protection REB500...

  • Page 23: Binary Inputs On Central Unit

    IEC 60870-5-103 when this input is active. 31505_Accept bus image Acknowledges (resets) an isolator alarm. If it is continuously active, a alarm new isolator alarm is immediately reset. Technical Manual Distributed busbar protection REB500...
  • Page 24 Blocks bay protection output signals throughout the system. Internal processing of the functions continues and therefore measurements and signals continue to be displayed on the local HMI. Binary input signals cannot be used to trigger a disturbance record in the central unit. Technical Manual Distributed busbar protection REB500...

  • Page 25: Binary Outputs On Central Unit

    Communication error in the central unit · · “Ext. supervision in service_1/2” inputs not set An ABB reference (bay) was deactivated under the · HMI500 menu “Settings Activate/ deactivate device” first and activated with the limitation “no objects” afterwards. Due to this setting the single line diagram shows an active bay node (bay name), but a deactivated bay figure.
  • Page 26 BU output signal 29410_BP partial blocked). The following signals (out of Table 18 and Table 19) can be used to trigger a disturbance record in the central unit: • 41815_Diff. current alarm • 42305_BBP trip Technical Manual Distributed busbar protection REB500...

  • Page 27: System Blocking Design

    The signal is set. The signal is either reset and blocked or simply blocked if it was not already blocked when the blocking signal was generated. Technical Manual Distributed busbar protection REB500...
  • Page 28 ≥1 Central Unit 39205_Block BP 33210_Block BFP 34215_Block EFP 35220_Block OCDT 37205_Block PDF 32205_Block BBP 31205_Block SP 31210_Block output relays 31805_External release BB zone '1’ 31805_External TRIP BB zone Figure 1 REB500 blocking system Technical Manual Distributed busbar protection REB500...
  • Page 29 42320_BBP trip L2 42325_BBP trip L3 42405_BBP blocked 43305_BFP trip t1 43310_BFP trip t2 43405_BFP blocked 44305_EFP trip 44405_EFP blocked 45305_OCDT trip 45405_OCDT blocked 45805_OCDT start 47305_PDF trip 47405_PDF blocked 48805_Voltage criterion 49405_BP blocked Technical Manual Distributed busbar protection REB500...
  • Page 30 23405_BFP blocked 24105_EFP REMOTE TRIP 24305_EFP trip 24405_EFP blocked 25105_OCDT TRIP 25305_OCDT trip 25405_OCDT blocked 26805_DR ready 26810_DR memory full 26815_DR recording 26820_DR record available 27105_PDF TRIP 27305_PDF trip 27405_PDF blocked 28805_Voltage criterion 29405_BP blocked Technical Manual Distributed busbar protection REB500...

  • Page 31: Section 3 System Settings

    In this case, configuring the signal “11505_Close command CB” is imperative. In the “Details” view the “Label” field can be edited and the reclaim time for each circuit-breaker is entered in the corresponding field. Technical Manual Distributed busbar protection REB500...
  • Page 32 Setting example for the reclaim time: = 2500A = 88ms = 30kA = 10ms = 138ms → The operation of feeder and bus-tie breakers and the reclaim time are described in detail in the Application Manual. Technical Manual Distributed busbar protection REB500...

  • Page 33: Isolators

    Settings / Isolators - Details Current transformers The “Overview” tab opens a dialog with a list of all the current transformers in the single-line diagram with their labels, bay labels, primary and secondary rated currents. Technical Manual Distributed busbar protection REB500...
  • Page 34 I1, I2, I3, I4 The direction of the bay unit currents can be reversed by enabling the checkbox “Inverted”. REB500 internally the “Inverted” setting has the effect of a scaling factor of -1. Normally, the setting of the “Inverted” checkbox remains unchanged (default setting = “not inverted”).

  • Page 35: Voltage Transformers

    This menu item appears only if voltage transformers have been fitted. Setting example • VT data: UN primary = 220 kV / √3 UN secondary = 110 V / √3 Connection to REB500: 3 phases_star • Settings made in HMI500 VT connection: 3 phases_star Primary voltage:...

  • Page 36: System Response

    Block busbar protection and Intertripping: Operation of the busbar protection and intertripping scheme is blocked throughout the system. • Selective block busbar protection and Intertripping (preferred) The busbar protection and intertripping are only blocked for the section of busbar (protection zone) concerned. Technical Manual Distributed busbar protection REB500...

  • Page 37: Isolator Alarm Delay

    (set or reset) are attached to every event. Individual texts can be entered for each status. Generally, one event is configured for every input and output, but events can also be assigned to optocoupler inputs or relay outputs. Technical Manual Distributed busbar protection REB500...

  • Page 38: Time Synchronization

    Keep <n> old and latest Keeps the given number of old events, then overwrite Time synchronization The following section lists the options for time-synchronizing the REB500 to an external source. These options can be selected using the HMI500 menu item “Settings – Time –...

  • Page 39: Synchronization By Sntp

    PPS impulses are only processed when they are received at a rate of 1 s ±50 ms. An error message is generated should this not be the case and the system switches over to the internal REB500 clock. Valid second impulses correct the internal clock by a maximum of ±0.5 seconds.
  • Page 40 If the “Daylight saving time” (DST) mode is enabled the user can define the moment of “Start” and “End” of the DST period. The DST settings are saved by pressing the “OK” or “Apply” button. Fig. 3.2 Daylight saving time settings Technical Manual Distributed busbar protection REB500...

  • Page 41: Section 4 Busbar Protection

    This tab is only available if a neutral current measurement has been configured. The third tab “Check Zone operating characteristic” is only available if a check zone protection has been configured. Technical Manual Distributed busbar protection REB500...
  • Page 42 The parameters involved are the operating angle j and the two minimum current settings (L1, L2, L3 and L0) for the inclusion of a feeder in the evaluation. Technical Manual Distributed busbar protection REB500...

  • Page 43: Tripping Logic

    Section 4 1MRK 505 350-UEN Busbar protection Tripping logic Figure 7 Busbar protection tripping logic Technical Manual Distributed busbar protection REB500...

  • Page 44: Section 5 Additional Protection Options

    A complete block diagram of BFP, including additional functions such as initiation logics and I0-measurement, can be seen in Figure 8. The following internal REB500 functions can start the breaker failure function in all three phases: •...
  • Page 45 Operation of BFP can also be started by the internal signals. These internal signals are shown with the following symbol in the block diagram of BFP. The inputs are on the left and the outputs on the right. Technical Manual Distributed busbar protection REB500...
  • Page 46 Section 5 1MRK 505 350-UEN Additional protection options Figure 8 Block diagram of BFP (logic type 1) Technical Manual Distributed busbar protection REB500...

  • Page 47: Configuration

    REB500 BFP responds correctly to an evolving fault. Logic 4 can be used in stations with 2 redundant REB500 units, one for busbar and the other for breaker failure protection. In this case, the special inputs “13760_Start BFP L1L2L3_5”...

  • Page 48: Bfp Neutral Measurement System (Bfp L0)

    In such situations a separate setting for the neutral current I might be helpful. Detailed knowledge of the network, the protection systems and possible fault scenarios is necessary to configure this function correctly. Misconfiguration might lead to unselective tripping and loss of supply. Technical Manual Distributed busbar protection REB500...
  • Page 49 To avoid bypassing of the conventional BFP, timer t of the BFP L0 system will only be initiated by start signals for the phase system if each of the independent phase currents is below the setting for the phase system. Technical Manual Distributed busbar protection REB500...

  • Page 50: Configuration/ Current Setting Of Bfp L0 System

    The behavior of timer stage t2 is the same as for the phase-system. Remote tripping signals can be set after the end of timers for stage t or at the end of t Figure 11 Simplified block diagram of the BFP Initiation logic Technical Manual Distributed busbar protection REB500...
  • Page 51 Instead of external wiring of a fourth current input (L0), I0 can be calculated internally by setting “I0 calculated”. This setting is mandatory for bay units that do not have a separate L0 current input for neutral current measurement or use a metering transformer. Technical Manual Distributed busbar protection REB500...

  • Page 52: Overcurrent Definite Time Protection

    * RR 25405_OCDT blocked 15210_Block OCDT OCDT blocked 45405_ OCDT blocked (CU) 35220_ Block OCDT (CU) RR = reset ratio (OCDT) Typical setting 0.95 when engineering scheme Figure 13 Block diagram of the overcurrent protection Technical Manual Distributed busbar protection REB500...

  • Page 53: Configuration Of Overcurrent Protection

    All bay and current transformer details are shown in the overview. In the Details view, the overcurrent protection can be activated per bay and the pick-up setting can be set. Figure 14 Settings of overcurrent protection Technical Manual Distributed busbar protection REB500...

  • Page 54: End Fault Protection

    The end fault protection detects faults between an open circuit-breaker and the CT, which cannot be cleared by the busbar protection on its own. Figure 15 Block diagram of EFP with CTs on the line side Technical Manual Distributed busbar protection REB500...
  • Page 55 (set to 36 ms). The purpose of this timer is to enable a circuit-breaker close command to be detected that is subject to internal signal transit times and breaker contact bounce times. Technical Manual Distributed busbar protection REB500...

  • Page 56: Configuration

    Settings of EFP The details view makes provision for activating and setting the pick-up value and delay of the end fault protection for each bay. (The pick-up delay is only of consequence when opening the circuit-breaker.) Technical Manual Distributed busbar protection REB500...

  • Page 57: Breaker Pole Discrepancy Protection

    (external plausibility check). As can be seen from the Figure 18, the output signal of the function is enabled by the binary input “17610_PDF ext release”. Technical Manual Distributed busbar protection REB500...

  • Page 58: Configuration

    Where single-phase auto-reclosure is being applied on a line, the time delay of the breaker pole discrepancy protection must be set longer than the total auto-reclosure cycle time. The pick-up value is given by the maximum current multiplied by the discrepancy factor. Technical Manual Distributed busbar protection REB500...
  • Page 59 Section 5 1MRK 505 350-UEN Additional protection options Figure 20 Breaker pole discrepancy protection Technical Manual Distributed busbar protection REB500...

  • Page 60: Section 6 Additional Functions

    An enabling logic (matrix) provides facility for assigning the enabling (release) signal to the respective functions. The enabling signal can be assigned to a feeder, a bus-tie breaker or a protection zone. The assignment is performed by the ABB engineering department and cannot be changed subsequently by customers.
  • Page 61 Should a voltage be interrupted either due to a tripped MCB or an open-circuit, a voltage function configured for overvoltage will disable, while one configured for undervoltage will enable. An open VT circuit connected to an undervoltage function can be detected by monitoring the signal “28805_Voltage criterion”. Technical Manual Distributed busbar protection REB500...

  • Page 62: Combined Over- And Undervoltage Release

    (SSS_I0), and the undervoltage function of the remaining functions (see also release matrix in Section 6.2.2) Figure 22 Voltage Release – Combined voltage release Technical Manual Distributed busbar protection REB500...

  • Page 63: Vt Assignment

    (passive feeders) are left connected. This logic can be achieved by configuring an additional low current check feature per bay unit, which only enables tripping of feeders that are actually conducting current. Technical Manual Distributed busbar protection REB500...
  • Page 64 Parameter Min. Max. Default Step Unit Overcurrent release active inactive Pick-up setting when active The overcurrent release function is processed independently of the release logic. Technical Manual Distributed busbar protection REB500...

  • Page 65: Release Logic / Matrix

    Checking the boxes in column 1 to 4 of Fig. Figure 26 subjects inter-tripping of protection zones or the functions of bay units switched onto the respective protection zone to being enabled by the voltage release. Technical Manual Distributed busbar protection REB500...
  • Page 66 BB-zone”. This can only be selected if the voltage release criterion and the input “31805_External release BB-zone” have been configured. Release corresponding Can only be selected if a corresponding criterion in the other 4 columns has BU function been configured. Technical Manual Distributed busbar protection REB500...

  • Page 67: Release By "31805_External Release Bb Zone

    (AND logic). Trip redirection If a circuit breaker is unable to trip (e.g. air pressure too low), REB500 receives the signal “Trip redirection” from it. When this signal is active and a trip signal being applied to the circuit-breaker (e.g.
  • Page 68 Additional functions For this to take place in the event of a trip generated by a device other than REB500 (e.g. transformer differential protection), the trip signal generated by the transformer differential protection must also go to the input “External TRIP”.
  • Page 69 7. REB500 thus issues a tripping command to the surrounding circuit- breakers after about 20 ms to isolate the fault. The input signal “11105_External TRIP” is not needed in this example.
  • Page 70 Contact us ABB AB Substation Automation Products SE-721 59 Västerås Sweden Telephone: +46 (0) 21 32 50 00 Facsimile: +46 (0) 21 14 69 18 http://www.abb.com/substationautomation...

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