A
Acquire Graphics from Another File 271
Add File 94
ADX text data file 21, 765
ANAFAS Format
compatibility with 121, 474
create change file 803
export to 121
read change file 99
ANAREDE Format
export to 121
Annotation in Curves Window
add 519
remove 532
Annotation in Distance Relay Window
add 575
remove 583
Annotation in Main Window
add 208
as bookmark 280
attach to objects 209, 272
delete 280
detach from objects 209
find 280
hide or show 109
highlight attached object 282
Anomalies Checking 471
ANSI X/R Ratio See also X/R Ratio
definition and computation 118
Arc Flash Hazard Calculator IEEE 1584-2011 377
Arc Flash Hazard Calculator IEEE 1584-2018 375
Area
data in text data file 740
renumber 483
show area number on one-line 287
show tie lines on one-line 287
Area Data Modification 483
Area of a Bus
change 223
ASEN Relay Database Setting Data
import from 293
ASPEN DistriView
updating substation impedance 126
B
Backup File 22
Base MVA
system 106
Batch Fault Simulation 407
BESS 154, 160
Binary Data File 20
automatic backup 87
close 86
create new 81
open 82
save 86
save as 87
save copy for new study date 88
Boundary Equivalent
creating 251
ID prefix for fictitious branches and generators 107
special color code for fictitious elements 262
Branch Names on One-Line 286
Breaker
check anomalies 473
checking rating 17
data in text data file 740
delete all 217
dialog box and data 137
export data 125
IEC rated 137
interrupting time 140
no-ac-decay ratio 142
protected equipment 141
symmetrical current rated 137
total-current rated 137
Breaker Failure Condition 400
Breaker Interrupting Time 291
Breaker Opening Time
definition 444
Breaker Rating
ANSI/IEEE-rated breakers 467
higher interrupting rating for 1LG faults 467
IEC-rated breakers 469
non-ac decay ratio override 468
Breaker Rating Module 17, 465
Build 1-Line Diagram 271
Bus
adjust symbol length 701
change area and zone in region 223
change nominal kV 219
change symbol 266
data used for text file 716, 717
delete 211
description of faults 343
dialog box and data 133
find by name 278
find by number 279
go to end bus 281
insert tap bus into a line 239
merge 238
model 631
place 264
place using state-plane coordinates 270
remove tap bus from a line 240, 278
show and hide 267
show or hide ID 135
split 237
Bus Fault Summary 396
Bus Numbers
hide or show 109
Bus Selector 818
Buses
sort by name or number 109
Bus-List File Format 822
C
Capacitor and Reactor See Shunt
CAPE 84
Case Builder 99
Case builder file 100
Case Comparison Program 21, 803
CBX file See Case builder file
Change File 21, 803
comments 714
Change from Line to Series Capacitor/Reactor 222
Change Nominal kV 219
Change T to 3-Winding Transformer 221
Checking Breaker Rating 465
Checking Coordination of Reclosers with Overcurrent Relays 421
Checking Equipment Status Against Study Date 475
Checking Instantaneous Settings of Overcurrent Relays 427
Checking Network Anomalies 471
Checking Pickup of Overcurrent Relays 423
Checking Relay Coordination using Primary-Backup Pairs 415
Checking Relay Loadability 456
Checking Settings of Overcurrent and Distance Relays 432
CIM standards IEC 61968 and 61970 21, 765
Circuit Breaker See Breaker
Circuit Breaker Rating See Breaker Rating
Classical Fault 342
Clear screen of fault results and other text labels 283
Color Code
by voltage class 260
colors for boundary equipvalent and certain tagged equipment 262
Combined OneLiner and Power Flow Executable 115
Command Editor
close 618
differences between v10 and v12 626
edit 619
print 618
run commands 626
save 618
save file as 618
Command Editor Window 617
Command File 617
bus, line-end, line-out commands 621
fault all buses command 620
intermediate faults command 623
output coverage 625
Command Line Parameters 707
Communication Assisted Relay Schemes See Logic Schemes
Compare Files 90
Complex X/R Ratio
definition 118
COMTRADE Formatted Relay Test File 318
COMTRADE standard 319
Conductor Damage Curve
add 511
edit parameters of 542
Converter-Interfaced Resource
dialog box and data 154
for modeling STATCOM 158
modeled with no MW injection 826
QandA 829
Coordinating Time Interval
definition 444
Copy to Clipboard
graphical data from DS Relays Window 556
graphical data from OC Curves Window 501
network and relay data in region 233
network data 231
one-line graphics in a region 259
relay data 231
text from TTY Window 615
CTI 444
Curve Collection 21
open 501, 556
save DS Relays Window objects 557
save OC Curves Window objects 502
Curve Selector 676
Curves Window
add annotation 519
add conductor damage curve 511
add damage curve from relay library 518
add generator loadability limit 523
add picture 530
add relay curves 509
add shape 521
add time difference sliders 522
add transformer damage curve 513
add transformer inrush curve 513
add unstable power swing region 528
close 508
edit legend 543
edit relay settings 535
edit shifting factors 540
options 504
picture background 544, 586
rearrange captions 545, 552
remove all but 1st relay curve 531
remove annotation 532
remove fault results 532
remove generator loadability limit 533, 534
remove picture 534
remove relay or fuse curve 531
remove shape 532
remove time difference slider 533
show relay operations for 1 fault 548
show relay operations for all faults 546
show relay test values 550
show TTY window 551
trial relay adjustment 536
D
Damage Curve
add from library 518
edit parameters in Curves Window 542
Data Browser 477
area data 483
customization 485
report 485
scale load and generation 482
zone data 484
Data mapping script 814
Dates
in/out of service 708
DC Line
contribution to short circuit current 649
data in text data file 736
dialog box and data 201
DCB (Directional Comparison Blocking) 689
Default Relay Pickup Time 112, 113
Definite-Time Overcurrent Relay 654, 659, 677
Delete
all circuit breakers 217
all in area or zone 214
all inside a region 215
all outside a region 216
network elements 211
relays or relay groups 304
Delete All Relays 341
Device palette
Insert tap node 239
new 2-winding transformer 179
new 3-winding transformer 194
new dc line 201
new line 172
new load 163
new phase shifter 185
new series capacitor/reactor 176
new shunt 166
new switch 191
new switched shunt 169
Show/Hide 289
Device Palette
new synchronous machine 144
Differential Relay See Line Differential Relay
Disguise File Identity 276
Distance Ground Relay
dialog box and data 670
Distance Phase Relay
dialog box parameters 672
Distance Relay 754, 755
dynamic characteristics 559
line-impedance percentages 112
manufacturer specific models 802
new phase and ground relay in relay group 292
view characteristics 305
Distance Relay Window 554
add annotation 575
add generator loadability limit 571
add picture 581
add relay characteristics 563
add remote branch impedances 565
add shape 577
add unstable power swing region 568
close 562
display load region 566
edit generator loadability limit 586
edit relay settings 585
find origin 587
find origin of 2nd relay 588
find origin of 3rd relay 589
grid on/off 562
options 559
print 555
rearrange captions 589
remove all but 1st relay 582
remove annotation 583
remove generator loadability limit 583
remove load region 582, 585
remove picture 562, 583, 585
remove remote branch impedances 582
remove shape 583
remove unstable power swing region 582
show relay operations for 1 fault 592
show relay operations for all faults 590
show TTY window 594
DistriView Substation Group Number 134
Doble SS1 Formatted Relay Test File 318
Drag and Drop
device palette 289
to create new 2-winding transformer 179
to create new 3-winding transformer 194
to create new dc line 201
to create new generator 144
to create new line 172
to create new load 163
to create new phase shifter 185
to create new series capacitor 176
to create new shunt 166
to create new switch 191
to create new switched shunt 169
to create new voltage controlled current source 160
to merge buses 238
Dual Pilot
max number of time steps 453
tag 113
DUTT (Direct Underreach Transfer Trip) 689
Dynamic characteristics See Distance relay | Dynamic characteristics
Dynamic Reactive Current Control of converter-interfaced resource 154
E
ENOSERV 294
ENOSERV PowerBase 806
Enterprise Module
apply configuration 102
commit 102
dashboard 102
data sync wizard 102
get latest version 102
setup 102, 337
version history 102
Equivalent Branch Color Code 262
Exit Program 132
Export
breaker data 125
graphical data from Curves Window 501
graphical data from Main Window 128
graphical data in DS Relays Window 556
network data 121
relay data 329
Export network data
to ANAFAS 122
to ANAREDE format 122
to GE PSLF format 122
to PSS/E format 122
F
Fault See Short Circuit
Fault Browser in Curves Window 551
Fault Locator
SEL event file 381
Fault MVA
definition 117
Fault Specification File 348, 411, 413
format 823
File
add 94
case builder 99
merge 96
File
backup 22
binary data files 20
change files 21
output files 22
PowerScript file 22
previous curve collection files 21
report files 22
text data file 20, 21
Windows metafile 22
File
line table files 173
File
relay data file sample 762
File
change files 803
File Comments 103
Find Annotation in Main Window 280
Find Annotation on one-line-diagram 280
Find Bus
by name 278
by number 279
invisible bus 481
Find PowerCalc Worksheet on one-line diagram 280
Flat Start See Prefault Voltage Profile | Assumed Flat Option
FLT file See Fault Specification File
Font Size
Curves Window 506
DS Relays Window 559
Main Window 110, 538
Time-Distance Window 598
Frequency
system 105, 106
Fuse
add fuse curve 509
change size with Trial Adjustment command 538
dialog box and data 665
new in relay group 293
G
GE Format
compatibility with 121, 474
export to 121
Generating Unit
dialog box and data 147
Generator
current limited 146
data in text data file 719, 721, 722, 723
delete 211
dialog box and data 144
model 631
referene angle set 246
scale output 482
Generator Loadability Limit 523, 571
remove from Curves Window 533, 534
Go back 706
Go To End Bus 281
GPS Coordinates 270
Graphics
acquire from another file 271
Grid On/Off 562
Ground Current Calculator 372
Grounding impedance 181, 198, 731, 733
H
Hardware Requirement 17
Help
on-line help 75
Hide Bus
selected bus 268
Hide Equipment
by region 268
Holding Tank For Relays 297, 313, 328
I
IEEE 1584-2011 Standard 377
IEEE 1584-2018 Standard 375
Ignore
instantaneous settings 111
phase shift 107
Impedance Correction Table 188, 477
Impedances on One-Line Diagram 284
Import
network data 84
relay data from .RAT file 328
Import relay data files 328
Import Relay Data wizard 293
In/Out Service Dates 708
project management 709
Insert Line Kink 274
Insert Tap Bus 239
Instantaneous Overcurrent Relay 654, 659, 677
Interrupting Time 291
J
Journal
export report to CSV file 104
Junction Bus in Time-Distance Window 603
K
Key
update memory 497
Keyboard Accelerators 705
kV Color Code 260
L
Legend
edit parameters of 543
Length Unit Preference 110
Library
distance relay 21, 802
overcurrent relay 21
overcurrent relays, fuses & reclosers 800
Library Directory 21, 676, 801
managing 801
Line See Transmission Line
Line Capacitance Emulation 107
Line Differential Relay
dialog box and data 683
Line End/Out Fault Summary 404
Line Fault Clearing Summary 394
Line Fault Summary 400
Line Table File 173
Line with Multiple Sections 709
Link to ASPEN Relay Database 806
Link to setting file 806
Load
data in text data file 724
delete 211
dialog box and data 163
model 632
new 163
scaling 482
Load Region on DS Relays Window 566
Load Tap Changer
2-winding transformer 183
3-winding transformer 199
reset center position 250
specifying parameters for 183, 199
Load Unit
dialog box and data 164
Lock One-Line Graphics From Being Modified 277
Logic Schemes 687
creation and editing 693
DCB 689
DUTT 689
POTT 689
POTT-PUTT 689
PUTT 689
trip logic equation syntax 687
LTC See Load Tap Changer
M
Macro See PowerScript
Manufacturer Specific Distance Relay Models 802
Merge Buses 238
Merge File with Common Base 96
MOV simulation
acceleration factor 115, 117
turn on/off 115
Multi-Section Line 134
fault simulation on 343
navigation 281
Multi-Section Lines 709
Mutual Coupling Pair
copy 231
create 205
data in text data file 737
delete 212, 213
dialog box and data 205
edit parameters of 244
paste 235
threshold 643
Mutual Coupling Threshold 117
Mutual Group
edit parameters of 241
MVA Base
2-winding transformer 181
phase shifter 186
substation data interface 126
system 81, 105
N
Network
anomalies checking 471
export data 121
hide equipment by area or zone 269
properties 132
show equipment by area or zone 269
show equipment by region 267
show/hide elements 269
Network Data
importing 84
Network Equivalent See Boundary Equivalent
Network Modeling 631
Neutral Current
in phasor probe 358
Nominal kV of Bus
change 219
Note See Annotation
O
OC Curves Window See Curves Window
OLX text data file 20, 765
OLXAPI 489
OLXAPI Dashboard 489
One-Line Diagram
creation 264
scale/shift 275
view solution on 352
On-Line Help 75
Operating System Supported 17
Options
diagram 108
DS Relays Window 559, 598
faults 114
network 106
OC Curves Window 504
relays 110
X/R ratio 118
Outage List 258
Output File 22
Overcurrent Ground Relay
dialog box and data 652
Overcurrent Phase Relay
dialog box and data 658
Overcurrent Relay 421, 654, 659, 755
extrapolate curve 111
new phase and ground relay in relay group 293
time dial calculator 799
view curve 305
P
Package-A and Package-B relays 444
Palette See Device palette
Parameters for New Objects 108
Paste data from a spreadsheet 481
Paste from Clipboard
equipment and relays in region 236
network data 234
relay data 234
using drag/drop palette 80
Phase Shift
ignore option 107
Phase Shifter
dialog box and data 185
model 634
Phase-Open Fault 351
Phasor Probe 357
Picture
add to Curves Window 530
remove from Curves Window 534
remove from Distance Relay Window 583
Place Buses 264
Plain One-Line Diagram 283
POTT (Permissive Overreach Transfer Trip ) 689
POTT-PUTT 689
Power Factor Angle 162
PowerBase 806
POWERBASE 294
PowerCalc Worksheet 492
add to one-line diagram 210
delete 280
find on one-line diagram 280
functions 791
PowerScript
custom user-defined commands 493
Dashboard 490
PRC-023-3 Standard
checking a DS relay 566
checking an OC relay 519
checking multiple OC and DS relays 456
PRC-025-1 Standard
checking a DS relay 571
checking an OC relay 523
PRC-026-1 Standard
checking a DS relay 568
checking an OC relay 528
checking multiple OC and DS relays 459
PRC-027 Standard
checking relay operations 445
checking relay settings 432
detecting changes in fault current 396
Prefault Voltage Profile
assumed flat option 644
choosing 115
from a linear network solution option 645
from a power flow solution option 645
Previous Curve Collection
open 308
rename and remove 309
Previous Time-Distance Diagram
open 310
rename and remove 311
Previous Time-Distance Diagram File
open 601
save a diagram 601
DS Relays Window 555
graph in OC Curves Window 499
one-line diagram 130
overcurrent relay curves 499
selected text 614
Printer
setup 129
Project Management
in/out service dates and tags 709
Properties
network 132
relay group 290, 303, 656, 693, 807
Protective-Level Current of Series Capacitors 633
PTI Format
compatibility with 121, 474
PTI PSS/E Format
export to 121
Put Equipment in Service 225
PUTT (Permissive Underreach Transfer Trip ) 689
R
Rearrange Captions
in Curves Window 545, 552
in distance relay window 589
in DS Relays Window 589
Recloser
dialog box and data 667
new in relay group 293
Reclosing Logic and Interval for Lines and Switches 291
Reference Angle of Generators 246
Relay
take on/off-line 292
Relay Checking Parameters and Options 452
Relay Coordination Checking
latest method using stepped events 444
legacy method of OC/OC checking 419
legacy multi-point checking method 420
legacy primary/backup using coordinating pairs 415
line and transformer outages 448
outage of 3 strongest sources at each line terminal 448
outage of mutual-coupled lines 448
pilot communication outages 448
recloser/relay checking 421
Relay Coordination Pair
form 315
Relay Curve
add to OC Curves Window 509
remove all from Distance Relay Window 582
remove from Curves Window 531
remove relay or fuse curve 531
start a one time pickup 111
Relay Curve Library Name
reset 111
Relay Data File 21, 67
exporting 329
format information (legacy) 745
importing 328
sample 762
Relay Data Import Sources 293
Relay Database 17
Relay Database Linkage 678
initialize relay database template 337
retrieve relay parameters from database 331
Relay Group
add or remove coordinating pairs 315
copy a relay from 231
copy all relays in group 231
delete 304
importing a relay into 313
new 303
pasting a relay into 234
Relay Loadability Checking 456
Relay on Remote Bus
add to DS Relays Window 563
Relay Operating Time
definition 444
Relay Operations for 1 Fault
show in DS Relays Window 592
show in OC Curves Window 548
Relay Operations for All Faults
show in DS Relays Window 590
show in OC Curves Window 546
Relay Packages A and B 113
Relay Parameter Checking
legacy OC instantaneous unit 427
legacy OC minimum pickup 423
new command for OC and DS relays 432
Relay Performance during Stable Power Swing 459
Relay Pickup Time 113
Relay Setting
edit in Curves Window 535
edit in DS Relays Window 585
Relay Test File 318
comma delimited file 318
COMTRADE format 318
Doble SS1 format 318
Relay Test Point 506
Relay Test Values,Show 550
Reload File from Disk 83
Remote Branch Impedances
add to distance relay window 565
remove from DS Relays Window 582
Remove Tap Bus 240
Report
network data from Browser 485
relay data 330
relay data from Browser 485
Report File 22
Reset text position 273
R-Only Network 119
Run Configuration Program 495
Run Distance Relay Editor 496
Run Overcurrent Curve Editor 496
S
Save Copy for New Study Date 88
Scale/Shift One-Line Diagram 275
Script See PowerScript
Scrolling
with mouse wheel 39
with scrollbars 39
Search Network 487
Second Relay Origin
find origin in distance relay window 588
SEL-5010 Relay Data
import from 293
SEL-5030 Relay Data
export to 298
import from 293
Series Capacitor
change from line 222
model 633
Series Capacitor/Reactor
new 176
Series Reactor
model 633
Shape
add to Curves Window 521
add to Distance Relay Window 577
remove from Curves Window 532
remove from Distance Relay Window 583
Shifting Factor 540
Short Circuit
batch fault simulation 407
bus fault summary 396
bus-to-bus fault 349
classical faults 342
close-in fault in front of a relay 342
cross-country fault 349
ground current calculator 372
intermediate fault 343
intermediate faults at regular inteval 343
line end/out fault summary 404
line fault summary 400
line-end fault 343
options 114
phase-open fault 351
prefault voltage options 644
printing solution report 363
simultaneous faults 348
solution display options 352
solution report in text 363
view voltage-sag results 370
Short Circuit Solution
algorithm used 796
text report format 696
Shortcuts
for the dialog boxes 705
for the distance relay window 704
for the keyboard 705
for the main window 701, 702
for the overcurrent relay window 702
for the TTY window 705
main window toolbar 78
Show Bus
by region 267
in area or zone 269
Show Equipment
by region 268
Show/Hide Area 269
Shunt
currents 699
data in text data file 725
delete 211
dialog box and data 166
model 632
Shunt Unit
dialog box and data 167
Signal only flag 388, 395, 673
Simultaneous Fault 348
Single Pilot
allow single branch outages 453
tag 113, 453
SIR See Source Impedance Ratio
Size Limitations 17
Slack Bus for Power Flow 134
area export control 483
in Data Browser 477
MW limits 148
Snap to State Plane Coordinates 270
Solar Plant
modeled as Converter-Interfaced Resource 154
Solution On One-Line 352
Source Impedance Ratio
calculator 385
Sparse Matrix and Vector Methods 796
Split Bus 237
STATCOM
modeled as a voltage controlled current source 158
STATCOM Model 824
State Plane Coordinates
re-position buses using 270
State Plane Coordinates for Bus 134
Statistics 105
Stepped-Event Analysis
line fault clearing summary 394
multiple user-defined event 391
single user-defined event 387
view results 389
Store setting to ASPEN Relay Database 333
String Delimiter for Text Data Files 107
Stub Fault Simulation 401
Stub Line
definition 444
Substation Data Interface 126
Substation Group Number 126
SVD See Switched Shunt
Switch
data in text data file 735
dialog box and data 191
resistance and reactance 107
set all to normal state 249
toggle 218
Switched Shunt
data in text data file 726
dialog box and data 169
model 632
System Base MVA 106
System Frequency 106
T
T Circuit Model of 3-Winding Tansformer 221
Tags
apply 226
browser 228
project management 709
relay package A and B 113
remove 229
rename 229
special color 262
view on Main Window 288
Take Out of Service 225
Tap Bus 134
insert into a line 239
remove from a line 240
show or hide bus name on one-line 109
Tap Bus of Three Terminal Line 134
Tapped Line
definition 454
relay checking 454
Tapped Transformer
definition 454
relay checking 455
Tertiary Current
displayed by phasor probe 358
in solution report in text 699
Text Data File 21
comments 714
format information 20, 713
open 84
Text Orientation Option 110
Text Report Viewer 414
commands in 627
index 630
open file 628
print 629
save case 628
Third Relay Origin
find origin in distance relay window 589
Three Terminal Line
checking relay settings 432, 442
end to end testing 323
tap bus attribute 134
Three Winding Transformer
change from T model 221
dialog box and data 194
tertiary current in phasor probe 358
tertiary current in text report 699
Tie Line
flow in calculating net MW export 483
include in data export 122
meter location for Power Flow 174, 182
show list for an area 484
show on 1-line 287
Tier
extent of fault solution in report 364
extent of short circuit solution display on 1-line 352
for stepped-event simulation 388
in voltage-sag report 369
Time Dial Calculator 799
Time Difference Sliders
add to Curves Window 522
remove from Curves Window 533
Time Unit Preference 109
Time-Distance Diagram 595
Time-Distance Window 595
add branch to diagram 603, 605
add monitor relay to diagram 606
add sliders 608
close 603
edit annotation 610
edit monitored relay 610
junction bus 603
open 307
options 598
print 597
remove annotation 609
remove branch to the right 608
remove first branch 608
remove slider 609
show curves 611
Toolbar 288, 701
Transformer See also Two-Winding Transformer and Three-Winding Transformer
2-winding configurations 637
2-winding model 797
3-leg core 635
3-winding configurations 639
magnetizing impedance 635
models for 2- and 3-winding 635
neutral current in phasor probe 358
new 2-winding 179
reset taps to nominal 250
symbol, American or European 109
tap voltages 635
Transformer damage curve
edit parameters of 542
Transformer Damage Curve
add 513
Transformer Inrush Curve
add 513
Transmission Line
change to series capacitor/reactor 222
data in text data file 727
description of faults 343
dialog box and data 172
model 633
ratings in A or MVA 174
Trial Relay Adjustment 536
TTY Window 612
clear contents of 613
close 615
copy selected text to clipboard 615
find text 616
hyperlink 612
print selected text 614
save selected text to file 614
select all text 615
select font and size of text 613
view in DS Relays Window 594
view in main window 287
view in overcurrent relay window 551
Tutorial
Curve Editor and Distance Relay Editor 76
OneLiner 26
Two Winding Transformer
models 797
new 179
Type-3 Wind Plant
dialog box and data 150
modeled with no MW injection 826
QandA 829
U
UDF 119
Undo 476
button on toolbar 78, 702
Unstable Power Swing Region
for distance relays 568
for overcurrent relays 528
User Defined Data Fields 119
V
View
areas, tie lines on one-line 287
branch names on one-line diagram 286
distance relay characteristics 305
impedances on one-line diagram 284
overcurrent relay curves 305
phasors 357
plain one-line diagram 283
solution on one-line diagram 352
toolbar on Main Window 288
TTY Window 287, 551, 594
Voltage Controlled Current Source
dialog box and data 160
fault simulation option 117
for modeling STATCOM 160
modeled with no MW injection 826
Voltage Controlled Overcurrent Relay 662
Voltage Relay
dialog box and data 681
Voltage Restrained Overcurrent Relay 662
Voltage Sag Analysis 366
with stepped-event clearing time 367
VSC DC Line Terminals 647, 649
W
Wind Plant Type 4
modeled as Converter-Interfaced Resource 154
Wind Plant Type-3 150
Windows Metafile 22
X
X/R Ratio
ANSI 118
complex versus ANSI 118
in bus fault summary 396
in fault summary 697
typical values 119
XML formatted text data file 21, 765
X-Only Network 119
Z
Z2 Equals Z1 Assumption 119
Zero-Sequence Mutual Coupling See Mutual Coupling Pair
Zigzag-delta 2-Winding Transformer 180
Zigzag-wye 2-Winding Transformer 180
Zigzag-wye-delta 3-winding transformer 196, 641
Zigzag-zigzag-wye 3-winding transformer 196, 641
Zone
data in text data file 740
renumber 484
Zone Data Modification 484
Zone of a Bus
change 223
Zoom Slider
distance relay window 554
main window 78