Index

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

Print

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