ETAP Network Modeling & Analysis leverages an integrated logical and geospatial electrical digital twin foundation to plan, configure, manage, visualize and analyze electrical distribution networks. Quickly and easily, build 3-phase and 1-phase AC and DC network one-line diagrams and GIS views with unlimited buses and elements including detailed instrumentation and grounding components. A powerful set of analytical tools that allow for simulation, prediction, design and planning of system behavior.
Unbalanced Load Flow
Calculate bus voltages, branch power factors, currents, and power flows throughout the electrical system.
- consider swing, voltage regulated, and unregulated power sources
- connect multiple power grids and generators
- perform analysis on both radial and loop systems
Time Domain Load Flow
Simulate varying load and generation in the system and solve the steady state power flows over a function of time.
- Load growth planning
- Renewable Energy assessment
- Consider unlimited loading and generation patterns
- Define seasonal variations including holiday adjustments
Unbalanced Short Circuit
Simulate unsymmetrical system faults for unbalanced networks
- Unified AC & DC fault simulation
- 3-Phase unbalanced and 1-Phase networks
- Run and evaluate all fault types in one study
- Shunt, series, and simultaneous faults
- Fault current as function of time with AC & DC decay
- Simulate protective device responses to fault currents and configuration changes
Reliability Assessment
Assess availability and quality of power supply at each customer service entrance
- Calculate reliability energy (cost) indices
- Calculate system reliability indices
- Calculate bus and load point reliability indices
- Model reliability characteristics of each component
- Rank element contributions to energy (cost) indices
Harmonics
Simulate harmonic current and voltage sources, identify harmonic problems, reduce nuisance trips, design and test filters, and report harmonic voltage and current distortion limit violations.
- User-expandable harmonic source library
- Model voltage & current harmonic sources
- Consider harmonic source magnitudes & phase angles
- Global, local & individual location compliance rule book for voltage & current distortion
Ground Grid Systems
Design and analyze ground protection, quickly and accurately.
- Flexible design methodologies for quick auto-designed layouts or very detailed schemes.
- Fast analysis of irregular large-scale renewable applications
- Color-coded graphical plots
- Automatically generate a two-layer soil model from soil measurement data
Cables & Lines
Design cable & line systems to operate to their maximum potential while providing secure and reliable operation.
- Calculate cable sizing, cable pulling tension, thermal analysis
- Perform line sag & tension calculations
- Analyze line impedance constants & ampacity
Load Allocation
Calculate unbalanced load allocation and non-technical loss
- Estimate individual loads on a feeder based on load classes, load type, load curve, and load measurements
- Integrates with transmission state estimation to provide a unified and complete picture