Sel SEL-421 - Section 4: Basic Relay Operations; Default Chapter; Connection................................................................................................................................................. U

xxiv List of Figures
SEL-421/SEL-421-1 Relay Date Code 20020501
Figure 3.7 Database Manager Copy/Move in the ACSELERATOR Software. ......................................U.3.7
Figure 3.8
ACSELERATOR Software Driver Information in the FID String......................................... U.3.8
Figure 3.9 HMI Driver Version Number in the HMI Window.............................................................U.3.8
Figure 3.10 Sample Settings in the
ACSELERATOR Software................................................................U.3.9
Figure 3.11 Selecting a Settings Driver in the
ACSELERATOR Software. ...........................................U.3.10
Figure 3.12 Opening Relay Settings in the
ACSELERATOR Software. ................................................U.3.10
Figure 3.13 Reading Relay Settings in the
ACSELERATOR Software.................................................. U.3.11
Figure 3.14
ACSELERATOR Software Relay Editor. ............................................................................ U.3.11
Figure 3.15 Retrieving the Relay Part Number....................................................................................U.3.12
Figure 3.16 Setting the Relay Part Number in the
ACSELERATOR Software. .....................................U.3.12
Figure 3.17 Location of EB Option Button.......................................................................................... U.3.13
Figure 3.18 The
ACSELERATOR Expression Builder. ..........................................................................U.3.13
Figure 3.19 Retrieving Relay Event History. ....................................................................................... U.3.15
Figure 3.20
ACSELERATOR Event Waveform Window. ......................................................................U.3.16
Figure 3.21 Sample Event Oscillogram. ..............................................................................................U.3.16
Figure 3.22 Retrieving Event Report Waveforms................................................................................U.3.16
Figure 3.23 Sample Phasors Event Waveform Screen.........................................................................U.3.17
Figure 3.24 Sample Harmonic Analysis Event Waveform Screen. .....................................................U.3.17
Figure 3.25 Sample Event Report Summary Screen............................................................................U.3.18
Figure 3.26 Sample Event Waveform Settings Screen. .......................................................................U.3.18
Figure 3.27
ACSELERATOR HMI Features...........................................................................................U.3.19
Section 4: Basic Relay Operations
Figure 4.1 SEL-421 Relay Serial Number Label.................................................................................U.4.2
Figure 4.2 Power Connection Area of the Rear Panel. ........................................................................U.4.4
Figure 4.3 PORT F, LCD Display, and Navigation Pushbuttons. ........................................................U.4.5
Figure 4.4 Report Header. ....................................................................................................................U.4.6
Figure 4.5 Access Level Structure. ......................................................................................................U.4.8
Figure 4.6 Default Passwords. ........................................................................................................... U.4.11
Figure 4.7 Relay Status. .....................................................................................................................U.4.12
Figure 4.8
ACSELERATOR Software Port Parameters and Password Entry. ......................................U.4.13
Figure 4.9 Retrieving Relay Status:
ACSELERATOR Software. .........................................................U.4.13
Figure 4.10 Checking Relay Status: Front-Panel LCD........................................................................U.4.14
Figure 4.11 Relay Settings Structure Overview...................................................................................U.4.16
Figure 4.12 Components of SET Commands. .....................................................................................U.4.18
Figure 4.13 Initial Global Settings. ......................................................................................................U.4.20
Figure 4.14 Using Text-Edit Mode Line Editing to Set Display Points...............................................U.4.23
Figure 4.15 Using Text-Edit Mode Line Editing to Delete a Display Point........................................U.4.24
Figure 4.16 Selecting Global Settings in the
ACSELERATOR Software...............................................U.4.26
Figure 4.17 The
ACSELERATOR Software Global Settings Window. ..................................................U.4.26
Figure 4.18 Uploading Global Settings to the SEL-421 Relay. ...........................................................U.4.27
Figure 4.19 DATE and TIME Settings: Front-Panel LCD...................................................................U.4.28
Figure 4.20 SETTINGS Menus. ..........................................................................................................U.4.30
Figure 4.21 Setting ESS: Terminal.......................................................................................................U.4.31
Figure 4.22 Setting CTRW and PTRY: Terminal.................................................................................U.4.32
Figure 4.23 Test Connections Using Three Voltage Sources/Three Current Sources..........................U.4.32
Figure 4.24 Test Connections Using Two
Current Sources for Three-Phase Faults and METER Test. .........................................U.4.33
Figure 4.25 Terminal Screen MET Metering Quantities. ....................................................................U.4.34
Figure 4.26 Global Alternate Source Selection Settings in the
ACSELERATOR Software...................U.4.35
Figure 4.27 Group 1 Terminal Configuration Settings:
ACSELERATOR Software. .............................U.4.36
Figure 4.28 HMI Tree View:
ACSELERATOR Software.......................................................................U.4.36
Figure 4.29 Phasor Metering Quantities:
ACSELERATOR HMI. ..........................................................U.4.37
Figure 4.30 Front-Panel Screens for METER......................................................................................U.4.38
Figure 4.31
ACSELERATOR HMI Tree View........................................................................................U.4.40
Figure 4.32
ACSELERATOR HMI Control Window..............................................................................U.4.40
Figure 4.33 Event Trigger Prompt:
ACSELERATOR Software. ............................................................U.4.41
Figure 4.34 Relay Event History Dialog Box. .....................................................................................U.4.42