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Simulation & Analysis
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Load Flow
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Quality Assurance
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ISO 9001:2000 Standard
United States Code of
Federal Regulations
10 CFR 50
10 CFR 21
ANSI/ASME N45.2
ASME NQA-1
ANSI/IEEE Std 730.1
CAN/CSA-Q396.1.2
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Load Flow Analysis
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With
ETAP’s advanced Load Flow module, you can create and validate your system model with ease
and obtain accurate and reliable results. Built-in features like automatic device evaluation,
summary alarms/warnings, and intelligent graphics make it the most efficient Load Flow program
available today.
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Key Features
- Power flow
- Demand load
- Voltage drop
- Power factor correction
- Automatic device evaluation
- Automatic temperature correction
- 2W & 3W transformer LTC/regulator actions
- Real & reactive power losses
- Extensive violation alerts
- Multi-report result analyzer
Capabilities
- Newton-Raphson, Fast-Decoupled, & Gauss-Seidel methods
- Generator governors with isochronous or droop mode
- Generator exciters with AVR or Mvar/PF controllers
- Transformer load tap changers (LTC/regulators)
- User-controlled convergence parameters
- Multiple loading conditions
- Lumped loading
- Advanced solution techniques for fast convergence
- Swing, voltage regulated, & unregulated power sources
- Double-precision to handle small impedances
- 10,000+ bus capability
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Load Flow Result Analyzer
ETAP Load Flow Result Analyzer is a time-saving tool
that compares and analyzes multiple reports in a single view. You can compare the results of general information about the project or more specific
information such as the load flow results for buses, branches, loads, or sources.
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- Compare & view multiple load flow results in a single view
- Analyze & compare reports from multiple projects
- Create a base line report & quickly identify deviations for all cases
- View multiple bus, branch, load, & source results
- Advanced alert & warning feature identifies & highlights overstressed components
- Easily find components on one-line diagrams from the analyzer view
- Export summary view into Microsoft® Excel for maximum data flexibility & visualization
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Flexible Operations
- Diverse operating conditions
- Multiple loading categories
- Multiple demand factors
- Unlimited configurations
- Different nameplate data
- Global & individual bus diversity factors
Reports
- Customize output reports using Crystal Reports®
- Generate output reports in any language
- Voltage drops, losses, power flows, power factor, etc.
- Input data, detailed load flows, & summaries
- State-of-the-art graphic display of results
- Export reports to your favorite word processing program
- Graphically display device evaluation results
- Graphically display buses with marginal or critical under/over voltage
- Export one-line diagrams including results to third party CAD systems
- Alert view to display critical & marginal limit violation
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Study Options
- Option to update initial conditions
- Phase-shifting transformers
- Auto-adjust LTC/regulator settings
- Power factor correction
- Saves solution control parameters for each scenario
- Make changes to your system & re-run studies instantly
- Conduct unlimited “what if” studies within one database
- Calculate bus voltages, currents, & power factors
- Bus/transformer/cable reactor overload warnings
- Calculate power flows
- Update loading for DC load flow
- Voltage drop calculations
- Five levels of automatic error checking
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