Simulation & Analysis
Short-Circuit
ANSI / IEEE & IEC Standards
Transient fault analysis (IEC 61363)
Integrates with protective device coordination
Automatic device evaluation

Load Flow
Power flow
Demand load
Voltage drop
Automatic temp. correction
PF correction
Multiple loading & generation categories
Automatic device evaluation
Real & reactive power losses

Arc Flash
IEEE 1584-2002 Standard
Embedded short circuit calculation
Embedded device coordination
NFPA 70E-2000 & 2004 methods
Cubic box & open air
Report & label generation

Motor Acceleration
Dynamic motor acceleration
Voltage flicker
Motor dynamic models
Static motor starting
Multi-sequence starting
Conventional & soft starting devices
Load transitioning
MOV simulation

Harmonics
Harmonic load flow
Frequency scan
IEEE 519 Standard
Filter design & sizing
Automatic distortion limit evaluation
(THD & IHD)
Telephone influence factors (TIF & I*T)
Automatic alerts of violations

Coordination/Selectivity
Star (Device Coordination)
Sequence-of-operation
Graphically adjustable device settings
Graphical display of all possible settings
Extensive device library (verified & validated)
Embedded short circuit analysis
Embedded motor acceleration analysis
Integrated with one-line diagram
Multi-axis time current curves
Comprehensive TCC options
Adjustable magnifying-glass zoom view
Drag or calculate time differences
Multi-function/level relays
Built-in ARTTS hardware interface
Display of actual transient response

ARTTS (Advanced Relay Testing
& Transient Simulator)
Test, simulate, & calibrate
Relays, meters, & transducers
Powerful & lightweight
High accuracy
Self-calibrating
Multiple current & voltage outputs
Auxiliary DC supply

Ground Grid Systems
IEEE 80 & 665 methods
Finite element method
Conductor & rod optimization
3-D plots for step, touch, & absolute potentials
3-D irregular configurations

Distribution Systems
Unbalanced Load Flow
Per phase power flow
Phase & sequence voltage & current
3-Phase (3W & 4W), 2-Phase (2W & 3W)
& 1-Phase
Demand load & voltage drop
Unbalanced loads & line impedance
Transmission line coupling
Power factor correction
Automatic device evaluation (alerts)
Automatic temperature correction
Real & reactive power losses

Optimal Power Flow
Active & reactive power optimization
Generation & utility cost minimization
Shunt Mvar & series compensation
Minimize control movements
Voltage & line flow security index
Bus voltage & branch flow constraints
Consider fuel & energy costs

Optimal Capacitor Placement
Optimal location & bank size
Minimize installation & operation costs
Individual source or average energy cost
Voltage and/or power factor objectives
Minimum, maximum, & average loading
Branch capacity release & cost savings
Review capacitor impact on the system
Capacitor control method

Reliability Assessment
Load point/bus reliability indices
System reliability indices
Reliability cost/worth indices
Sensitivity analyses
Fault isolation
Load restoration
Single & double contingencies

Transmission Line
Overhead line parameters & coupling
Sag & tension vs. temperature
Conductor ampacity vs. temperature
Physical configuration to impedance calculator
Multiple spans between dead-end structures
Level spans of unequal length
Inc.des effects of wind, temperature, & k factor

High Voltage DC Systems
Detailed converter modeling
Composite AC/DC inverter/AC systems
Combined transformer model
Automatic harmonic spectrum calculation
Built-in control schemes
Easy-to-use dynamic modes

Transformer Tap Optimization
ANSI/IEEE C57.116 Standard
Optimize unit transformer turns ratio
Considers system voltage variation
Considers generation station auxiliary load
Generator reactive capacity vs. voltage plots

GIS Map
Display unlimited GIS presentations
(maps) in ETAP
Display analysis results on GIS Map
Synchronize GIS data to ETAP projects
Database mapping via a graphic user interface
Add, modify, or delete elements for data
synchronization
View modifications & accept/reject actions
Use map tools – zoom in/out/extent, pan, etc.
Map attributes of GIS to ETAP elements
Consistency checks during data synchronization
 

Dynamics & Transients
Transient Stability
Simulate any disturbance & practical action
Unlimited events & actions
Automatic relay action (27, 32, 50, 59, 67, 81)
Automatic load shedding
Short & long time simulation
Variable simulation time
Multi-subsystems with multi-reference machines
Comprehensive exciter, governor, & PSS models
Shaft torsion & multi-mass modeling

Generator Start-Up
Start generators from a cold state (black start)
Accelerate motors & connected loads
Utilize any desired frequency & voltage
Determine optimal loading time
Schedule of load sequence
Analysis of generator starting behavior
Frequency dependent machine &
network models

User-Defined Dynamic Models
Governors, exciters, & power system
stabilizers (PSS)
Create custom control block diagrams
Library of control blocks & elementary functions
Step response test for each model
Run-time compile within transient stability
Import/compile models built in Simulink®

Parameter Estimation
Induction machine equivalent circuits
Single-cage models
Optional deep-bar effects

Cable Systems
Underground Raceway Systems
Neher-McGrath method
IEC 287 method
Steady-state temperature
Transient temperature
Ampacity optimization
Automatic cable sizing

Cable Pulling
3-D isometric view
Pull multiple cables
Forward & reverse tension
Sidewall pressure
Pull different size cables
Vertical & horizontal levels
Checks for NEC requirements

Cable Ampacity
Duct banks
Direct buried
Trays
Conduit in air
Air drops
ICEA & NEC methods

Cable Sizing
Optimal & alternative sizes
Ampacity & voltage drop options
Size based on any one-line element

Control System Diagram
Drag & drop control relays, solenoid, cables, etc.
Control logic simulation (contacts,
pushbuttons, etc.)
Voltage drop calculation including inrush currents
Automatic alert for pickup & dropout voltages
Automatic overloading alerts
Fully integrates with one-line diagram
Comprehensive device library (verified & validated)

Real-Time Systems
Power System Monitoring
& Simulation (PSMS)
Advanced Monitoring
Real-Time Simulation
Event Playback / Historian
Trending / Alarm / Energy Cost Analysis

Energy Management System (EMS)
Intelligent energy management
Demand-side management
Automatic generation control
System optimization
System automation

Intelligent Load Shedding (ILS)
Optimal load preservation
Fast response time
Reliable operation
Minimum load shedding

Data Exchange
DataX
Convert third party databases
Turnkey database synchronization
Customizable one-way/two-way data channels
Automatic one-line diagram generation
Data range checking
Data validation & consistency checking
Library data substitution

e-DPP® Interface
Map attributes of e-DPP to ETAP elements
Synchronize e-DPP data to ETAP projects
Database mapping via graphic user interface

SmartPlant® Electrical Interface
Map attributes of SPEL to ETAP elements
Synchronize SPEL data to ETAP projects
Database mapping via graphic user interface

DC Systems
Load Flow
Integrated AC & DC systems
Voltage drop
Power losses
IEEE 946 Standard
Battery auto-activation

Short-Circuit
Integrated AC & DC systems
IEEE 946 Standard
Calculate total fault current
Calculate current rising time

Battery Sizing & Discharge
Verify battery capability
Calculate battery duty cycle
Detailed battery library
Multiple diversity & correction factors
Discharge via DC load flow
or duty cycle summation
IEEE 308, 485, & 946 Standards

Panel Systems
Intelligent panel design & analysis
1-Phase (2W & 3W)
3-Phase (3W & 4W)
ANSI & IEC Standards
NEC load factors
Load flow with graphical per phase display
Automatic updating of upstream panels
Customizable Excel® & Crystal Reports®
Panel schedule with internal & external feeders