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Disclaimer of Liability Note For safety purposes, please note instructions and warnings in the preface. We have checked the text of this manual for conformity with the hardware and software described. However, since deviations cannot be ruled out entirely, we do not accept liability for complete conformity or for any any errors or omissions. The information given in this document is reviewed regularly and any necessary corrections will be included in subsequent editions. We appreciate any suggestions for improvement. We reserve the right to make technical improvements without notice. Document Version: 04.01.01 Release date: 06.2012 Copyright Copyright © Siemens AG 2012. All rights reserved. The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights reserved, particularly for the purposes of patent application or trademark registration. Registered Trademarks <strong>SIPROTEC</strong>, SINAUT, SICAM and DIGSI are registered trademarks of SIEMENS AG. Other designations in this manual might be trademarks whose use by third parties for their own purposes would infringe the rights of the owner. Siemens Aktiengesellschaft Order no.: C53000-G1176-C230-2
Page 1: SIPROTEC Differential Protection 7U
Page 5 and 6: WARNING! Qualified Personnel SIPROT
Page 7 and 8: SIPROTEC, 7UT6x, Manual C53000-G117
Page 9 and 10: Contents 1 Introduction. . . . . .
Page 17 and 18: Introduction 1 Differential Protect
Page 19 and 20: Analogue Inputs SIPROTEC, 7UT6x, Ma
Page 21 and 22: 1.2 Application Scope SIPROTEC, 7UT
Page 23 and 24: 1.3 Characteristics General Feature
Page 25 and 26: Time Overcurrent Protection for Pha
Page 27 and 28: Forward power supervision (only 7UT
Page 29 and 30: Monitoring Functions Further Functi
Page 31 and 32: Functions 2 This chapter describes
Page 33 and 34: 2.1.1 Device 2.1.1.1 Setting Notes
Page 35 and 36: 2.1.2 EN100-Modul 1 2.1.2.1 Functio
Page 37 and 38: Protected Object SIPROTEC, 7UT6x, M
Page 39 and 40: Overcurrent Protection for Phase Cu
Page 41 and 42: RTD-boxes for Overload RTD-box Type
Page 43 and 44: Flexible Functions SIPROTEC, 7UT6x,
Page 45 and 46: Addr. Parameter Setting Options Def
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SIPROTEC, 7UT6x, Manual C53000-G117
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Functions 2.1 General 56 If the glo
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Functions 2.1 General Assignment of
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Functions 2.1 General 60 • 3rd ca
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Functions 2.1 General 62 Figure 2-8
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Functions 2.1 General 2.1.4.2 Gener
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For the winding assigned to side 5,
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Under address 381 I PRIMARY OP 1, s
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Figure 2-13 Position of CT starpoin
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Current Transformer Data for Single
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The following settings are only ava
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Manual Close Indication of a Circui
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Addr. Parameter Setting Options Def
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2.1.5.2 Setting Notes CHANGE SIPROT
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Functions 2.1 General 100 In the 1-
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Functions 2.1 General 102 Addr. Par
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Functions 2.1 General 104 No. Infor
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Functions 2.2 Differential Protecti
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Figure 2-22 Increase of pickup valu
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No. Information Type of Information
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Evaluation of Measurement Quantitie
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Figure 2-64 Logic diagram of the ea
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Functions 2.4 Time Overcurrent Prot
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2.4.3.3 Information List No. Inform
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2.5.2 Definite Time, Instantaneous
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2.5.3 Inverse Time Overcurrent Prot
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User-defined Characteristics SIPROT
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Figure 2-87 Earth fault protection
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Functions 2.7 Single-Phase Time Ove
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Functions 2.8 Unbalanced Load Prote
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Functions 2.9 Thermal Overload Prot
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Functions 2.9 Thermal Overload Prot
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2.10.4 Information List No. Informa
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Figure 2-99 Logic diagram of the ov
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Functions 2.11 Overexcitation Prote
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2.13.2 Setting Notes General Pickup
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Functions 2.15 Overvoltage Protecti
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Functions 2.16 Frequency Protection
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Setting example: SIPROTEC, 7UT6x, M
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Functions 2.17 Circuit Breaker Fail
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Functions 2.18 External Trip Comman
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Sampling Frequency SIPROTEC, 7UT6x,
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2.19.1.4 Setting Notes Measured Val
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Functions 2.19 Monitoring Functions
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2.20.2 Tripping Logic for the Entir
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2.21 Disconnection of Measuring Loc
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2.21.2 Information List No. Informa
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Information on the Integrated Displ
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2.22.1.4 Spontaneous Annunciations
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No. Information Type of Information
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Functions 2.22 Additional Functions
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Processing Blocking Violation of th
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Additional Steps SIPROTEC, 7UT6x, M
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2.22.8 Flexible Function 2.22.8.1 S
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2.22.9 Oscillographic Fault Recordi
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Functions 2.22 Additional Functions
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Functions 2.23 Average Values, Mini
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Functions 2.24 Command Processing 2
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Type of Command Control Cause Indic
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Standard Interlocking SIPROTEC, 7UT
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Command output/switching relays SIP
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Mounting and Commissioning 3 This c
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Voltages SIPROTEC, 7UT6x, Manual C5
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Trip Circuit Supervision SIPROTEC,
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Mounting and Commissioning 3.1 Moun
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Mounting and Commissioning 3.2 Chec
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Mounting and Commissioning 3.3 Comm
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Busbar Trip If start is possible wi
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Figure 3-34 Differential and Restra
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3.3.10 Current Tests for Busbar Pro
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3.3.11 Testing of the Non-Assigned
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Technical Data 4 This chapter provi
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1 ) UL-listed with the following ra
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Technical Data 4.1 General 4.1.10 C
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Technical Data 4.2 Differential Pro
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Technical Data 4.2 Differential Pro
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Temperature Detectors Cooling Numbe
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Technical Data 4.18 External Trip C
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MV_SET_STATUS Measured value with s
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Processing Times in TICKS required
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Technical Data 4.23 Dimensions 4.23
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Technical Data 4.23 Dimensions 536
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Appendix A.1 Ordering Information a
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Appendix A.2 Terminal Assignments A
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Appendix A.2 Terminal Assignments 7
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Appendix A.2 Terminal Assignments A
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Appendix A.3 Connection Examples A.
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Appendix A.3 Connection Examples Fi
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Appendix A.3 Connection Examples 57
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with: c = voltage factor (for gener
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A.5.3 Binary Output Table A-3 Outpu
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Appendix A.7 Functional Scope A.7 F
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Appendix A.7 Functional Scope 598 A
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Appendix A.8 Settings Addr. Paramet
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Appendix A.9 Information List 630 N
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No. Description Function Type of In
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Appendix A.10 Group Alarms A.10 Gro
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Literature 670 SIPROTEC, 7UT6x, Man
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Glossary 682 SIPROTEC, 7UT6x, Manua
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Index Current measuring input 204 C
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Index Zero Sequence Current 155 Lon
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Index Output Relays 416 Switching S
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Index 690 SIPROTEC, 7UT6x, Manual C
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