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ABB REF 542plus Product Manual
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ABB REF 542plus Product Manual

Feeder terminal
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Feeder Terminal
REF 542plus
Product Guide

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Summary of Contents for ABB REF 542plus

  • Page 1 Feeder Terminal REF 542plus Product Guide...
  • Page 3 - sum of interrupted currents - operating time - number of switching cycles General The Feeder Terminal REF 542plus is a com- available for adapting the unit to the intended pact protection, control, measurement and application. The versatility of the REF...

  • Page 4: Block Diagram

    1MRS756269 General (cont´d) A070118 Fig. 2 REF 542plus installed in an air-insulated switchgear (AIS). REF 542plus is composed of two parts: a input board and binary input and output (I/O) base unit and a separate human machine modules, as well as optional modules for sup- interface (HMI).
  • Page 5 Feeder Terminal REF 542plus 1MRS756269 General (cont´d) A070117 Fig. 4 Mounting of the base unit in the LV compartment and the HMI on the door. The HMI control unit, Fig. 5, features a back- software on the Configuration Tool CD illuminated liquid crystal display (LCD), (1MRS151062).
  • Page 6 (51LR) • motor start (51MS) Protection • low load (37) REF 542plus offers a wide range of functions • unbalanced load (46) for protection. As previously mentioned, a wide range of protection schemes for the pro- Power quality mitigation: tection of several system components can be •...
  • Page 7 Operating Tool or remotely from Fault recorder the communication interface. When uploaded The REF 542plus unit is equipped with a with the Operating Tool the fault records are powerful and flexible fault recorder function. automatically converted into the standard This function can be used to record at most COMTRADE format.

  • Page 8: Software Design

    Compared to instrument trans- system. The four different protocols available formers, the new non-inductive sensors have for the REF 542plus make possible to inter- the following advantages: face any kind of station automation system, •...

  • Page 9: Hardware Design

    The standard housing can additionally in- clude: Base unit versions • another binary input and output module The REF 542plus base unit housing is made • alternatively the communication module from aluminum sheets. Its surface is chroma- or the 0(4)-20 mA analog output module.
  • Page 10 Feeder Terminal REF 542plus 1MRS756269 ± 0,1 233,5 ± 0,1 261,5 ca. 70 ± 0,1 233,5 A051269 Fig. 7 Wide housing version dimensions. Mounting Fig. 8 shows an example of wide housing base unit installation inside a low voltage compartment.
  • Page 11 Feeder Terminal REF 542plus 1MRS756269 Mounting (cont´d) HMI dimensions are illustrated in the Fig. 9 below. The upper one is the version of the HMI without cover and the lower one is with cover to achieve a better protection. A051271 A070119 Fig.

  • Page 12: Technical Data

    Feeder Terminal REF 542plus 1MRS756269 Technical data Measurements The REF 542plus uses the same analog inputs both for measurements and protections. Table 1: Measurements Quantity Class Range Phase current, earth current 0.1 - 4 x I Line voltage, phase voltage 0.2 - 1.5 x U...
  • Page 13 Feeder Terminal REF 542plus 1MRS756269 Technical data (cont´d) Table 6: ANSI code protection functions and parameters Overcurrent directional high I>> = 0.050 - 40.000 x I t = 40 - 30 000 ms Direction = backward, forward Overcurrent directional low I>>...
  • Page 14 Feeder Terminal REF 542plus 1MRS756269 Technical data (cont´d) Table 6: ANSI code protection functions and parameters Motor protection functions Thermal overload protection with Nominal temperature = 50 - 400°C (nominal total memory temperature at I Nominal current (I ) = 0.100 - 5.000 x I...
  • Page 15 Feeder Terminal REF 542plus 1MRS756269 Technical data (cont´d) Table 6: ANSI code protection functions and parameters Frequency protection function Frequency protection Start value = 40.00 -- 75.00 Hz, step 0.01 Hz Frequency gradient = 0.01 - 1.00 Hz/s t = 0.10 - 30.00 s U<...
  • Page 16 Feeder Terminal REF 542plus 1MRS756269 Technical data (cont´d) Table 6: ANSI code protection functions and parameters Other functions Fault recorder Time before fault = 100 ... 2000 ms Recording time = 1000 ... 5000 ms Time after fault = 100 ... 4900 ms Max.

  • Page 17: Typical Connec- Tion Diagrams

    Feeder Terminal REF 542plus 1MRS756269 Typical connec- This picture represents a typical connection also a current balance transformer for earth- tion diagrams scheme for outgoing feeders when voltage fault current sensing. Analog input channel and current protections are required. There is no.
  • Page 18 Feeder Terminal REF 542plus 1MRS756269 Typical connection dia- The schematic diagram below shows a con- The used analog input board has 8 inputs for grams (cont´d) nection for a power transformer feeder with currents. Channels 1 -6 are for the differential...
  • Page 19 Feeder Terminal REF 542plus 1MRS756269 Typical connection dia- The Fig. 12 shows a possible connection dia- incoming feeder. Channel 7 is used for the grams (cont´d) gram for a generic incoming feeder with syn- residual current for earth-fault protection and chrocheck function on the busbar.
  • Page 20 Because ATEX certification is only valid for former version of the HMI V4. The DNV cer- a specific version of the REF 542plus, it is tification is meant for marine application. 6 B 6 A 3 3 3 03 6 S Z 4 1...
  • Page 21 Feeder Terminal REF 542plus 1MRS756269 7 6 B 6 A 3 3 3 03 6 S Z 4 1 Ordering (cont´d) Table 10: Power supply versions Number Code Name Description 750126/801 = 110 V DC For applications with rated voltage 110 V DC...
  • Page 22 Feeder Terminal REF 542plus 1MRS756269 Ordering (cont´d) Table 12: Binary I/O modules Number Code Name Description 750132/805 Binary I/O3 - Standard version with 72 V DC treshold value for 80-250 V/ 72 V DC, application in auxiliary circuit with DC voltage range...
  • Page 23 Feeder Terminal REF 542plus 1MRS756269 Ordering (cont´d) Table 15: Mix of transformers Number Code Description 750170/804 3 CT + 3 VT + 1 CT/0.2 A + 1 VT 750170/806 3 VT + 3 VT + 1 CT/0.2 A + 1 CT/0.2 A...
  • Page 24 Feeder Terminal REF 542plus 1MRS756269 Ordering (cont´d) 7 6 B 6 A 33 3 03 6 S Z Table 18: HMI variations Number Code Name Description none No HMI 007346/003 HMI V5 - IEC, auxiliary voltage 48 - 110V DC...
  • Page 25 Software level : Distance Limitation of protection functionality by Software level Base can only be ordered by software license. Please contact your local ABB switchgear companies and is the same ABB organization for more detailed informa- level as software level Distance. tion.
  • Page 26 Applications 6 = REF 542plus A = REF 542plus, DNV/marine B = REF 542plus, ATEX-1 C = REF 542plus, ATEX-1 + DNV/marine (For more information, see Table 8) Feeder terminal family code 7 = REF 542plus (For more information, see Table 7) A060520-b Fig.
  • Page 27 Product documentation Name of the manual Document ID Installation and Commission (Manual Part 3) 1VTA100004 REF 542plus, Operator's Manual 1MRS755869 REF 542plus, Technical Reference Manual 1MRS755859 Protection Functions, Configuration and Settings 1MRS755860 Communication (Manual Part 4) 1VTA100005 Modbus RTU, Technical Reference...
  • Page 28 ABB Oy Distribution Automation P.O. Box 699 FI-65101 Vaasa, FINLAND Tel +358 10 22 11 Fax +358 10 224 1094 www.abb.com/substationautomation...