
2.2.5 Modes of Operation.....................................................................................................36
2.2.5.1 Analog Mode Operation......................................................................................... 36
2.2.5.2 Digital Mode Operation.......................................................................................... 36
2.2.6 Features...................................................................................................................... 36
2.3 Operating Modes with PLC Equipment...............................................................................38
2.3.1 Overview.....................................................................................................................38
2.3.2 Single Purpose Operation.............................................................................................38
2.3.3 Multi-Purpose Operation..............................................................................................38
2.3.4 Alternate Multi-Purpose Operation...............................................................................38
2.4 Equipment Versions.......................................................................................................... 40
2.4.1 Overview.....................................................................................................................40
2.4.2 Broadband Version...................................................................................................... 40
2.4.3 Narrow-Band Version...................................................................................................41
2.4.4 Applications for Narrow-Band Devices..........................................................................41
2.5 Possible Ways of Using the SWT 3000................................................................................44
2.5.1 Analog Transmission Path............................................................................................ 44
2.5.2 Digital Transmission Path.............................................................................................45
2.5.3 Analog and Digital Transmission Path...........................................................................46
2.5.4 Integrated Into the PowerLink PLC System....................................................................47
2.6 Monitoring........................................................................................................................49
2.7 Protection Modes.............................................................................................................. 50
2.7.1 Overview.....................................................................................................................50
2.7.2 Unblocking Mode........................................................................................................ 50
2.7.3 Description of the Protection Operating Modes............................................................ 51
2.7.3.1 Overview............................................................................................................... 51
2.7.3.2 Mode 1 (Double System Protection)....................................................................... 51
2.7.3.3 Mode 2 (Single Phase Protection)........................................................................... 52
2.7.3.4 Mode 3 (4 Commands with Priority)....................................................................... 52
2.7.3.5 Mode 3a (4 Independent Commands, 4iC)..............................................................53
2.7.3.6 Mode 3b (2 plus 2).................................................................................................54
2.7.3.7 Mode 4 (Only One Command Active)......................................................................57
2.7.3.8 Mode 5A (3 Independent Commands).................................................................... 57
2.7.3.9 Mode 5D (Only for Digital Transmission Paths)........................................................58
2.8 Frequency Overview......................................................................................................... 59
2.8.1 Broadband Devices in the VF Range [kHz].....................................................................59
2.8.2 Narrow-Band Devices in the VF Range [kHz]................................................................. 59
2.8.3 Frequency Diagram for Broadband and Narrow-Band Devices.......................................61
2.8.4 Command Duration for Single-Purpose Operation........................................................ 61
2.8.4.1 Mode 1, Mode 2, Mode 3a, Mode 3b, Mode 4 , Mode 5A........................................ 61
2.8.4.2 4 Commands with Priority Mode 3..........................................................................62
2.8.5 Command Duration for Alternate Multi-Purpose Operation...........................................62
2.9 Fiber-Optic Connection..................................................................................................... 63
2.9.1 Overview.....................................................................................................................63
2.9.2 Connection to the PowerLink PLC System.....................................................................63
2.9.3 Connection to a Multiplexer supporting IEEE C37.94 Protocol.......................................64
2.9.4 Connection to a Multiplexer via FO-Box........................................................................65
2.9.5 Direct Connection via Fiber-Optic Cable....................................................................... 66
2.10 Remote Monitoring, Service Channel, and IP Network........................................................67
2.10.1 RM with Analog Interface.............................................................................................67
Table of Contents
10 Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020