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Protective Devices
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Coordination & Selectivity
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Sequence-Of-Operation
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Relay Test Set Interface
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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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ETAP Star - Device Coordination & Selectivity
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The Most Comprehensive
Device Protection & Coordination Analysis Solution
ETAP Star device protection and coordination program provides an intuitive and logical approach to time-overcurrent analysis with features and capabilities such as graphical user-interface, true-to-the-form protective devices modeling, extensive validated and verified device library, embedded analysis modules, integrated and rule-based design.
Star’s sequence-of-operation evaluates, verifies, and confirms the operation and selectivity of the protective devices for various types of fault for any location right from the one-line diagram and via normalized Time Current Characteristic curve views.
Using intelligent one-line diagrams, comprehensive device libraries, and a three-dimensional database, ETAP Star offers insight into troubleshooting false trips, relay mis-operation and mis-coordination.
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Protective Devices Coordination & Selectivity
- AC & DC coordination
- ANSI & IEC coordination and protection standards
- Adjust device settings graphically
- Comprehensive Verified & Validated device libraries
- Embedded short circuit analysis
- Embedded motor acceleration analysis
- Integrated with one-line diagram
- Multi-axis time current curves
- User-definable plot options
- Adjustable magnifying-glass zoom view
- Time difference calculator
- Multi-function / level relays
- Customizable device setting reports
- User-definable curves & fault arrows
- Virtual animation of sequence-of-operation playback on the one-line diagram
- Normalized TCC plots with shifted curves based on fault contributions
- Automated color sequencing of curves
- Flexible user-definable display & plot options
- Intelligent alert view for troubleshooting
- Extensive damage curve (fixed points) modeling & plotting
- Graphical TCC curve tracker with cross lines & time difference tools
- Batch print TCC plots & diagrams for various paper sizes
Sequence-of-Operation
- User-definable fault insertion location
- View device operation sequence graphically
- Device failure & backup operation
- Detailed relay actions (27, 49, 50, 51, 51V, 59, 67, 79, 87)
- Sequence of event viewer
- Normalized (shifted) TCC curves
- Phase and Ground faults (symmetrical and asymmetrical)
- Flashing protective device via the one-line diagram
Relay Test Set Interface
- Export short circuit data, relays settings to ARTTS
- Plot device steady-state response
- Compare relay response with manufacturer published data
- Display relay actual transient response
- Analyze relay false trips & mis-operation
- Comtrade export of time domain fault currents and voltages
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Capabilities
- Illustrate system wide coordination
- Click & drag curves to adjust settings
- Phase & ground coordination modes
- Automatic current & voltage scaling
- Customizable TCC curve layout with embedded one-line diagram
- Automatic layout of the one-line diagram in Star TCC View
- Integration of short circuit analysis with protective devices
- Motor starting curves based on motor acceleration studies
- Integration of arc flash analysis result on Star TCC View
- Comprehensive print functionality, legends, & device labeling
- Comprehensive relay interlocks
- High impendence and percentage differential relay (87)
- Partial differential relay (51PD)
- Phase and Ground directional relay (67)
- Detailed implementation of voltage restraint and control relay (51V)
- Comprehensive modeling of electronic & hydraulic reclosers (79)
- Overload relay - CT based and Inline relays (49)
- User-definable display options
- Graphical time-difference calculator
- Fixed point & damage curve modeling
- Transformer damage curve and Inrush curve modeling
- Generator decrement & damage curves
- Multiple Motor Starting Curves Based on Starting Voltage
- Motor & stator damage curves
- Automatic clipping of curve based on calculated or user defined fault current
- Minimum fault calculation and TCC marker
- Graphical printing & plotting
- Customizable reports
Benefits
- Enables system engineers to easily & efficiently perform protective device coordination studies
- Provide an accurate and realistic operating characteristic, time, and state of protective devices
- Offers insight into troubleshooting false trips, relay mis-operation, and mis-coordination
- Aids system engineers & planners to quickly realize possible design issues & make informed decisions
- Flashing protective device via the one-line diagram
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Sequence-of-Operation
With ETAP Star, not only can you work with the time-current curves,
you can also determine the operating time of protective devices simply by placing a fault on the one-line diagram.
Coordinate via One-Line Diagram
- Graphically place a fault anywhere on the one-line diagram
- Automatically calculate & display the fault current contributions on the one-line diagram
- Evaluate the operating time & state of devices based on the actual fault current contribution flowing through each individual device
- Graphical Animation of Protective Device Operation
- Globally view post fault actions & associated operating time via a tabulated event viewer
- Examine the operation of protective devices via the one-line diagram
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Drag & Drop a Fault
One Action Resulting in a
Complete Solution
- 3-Phase & Ground Faults
- Display Fault Currents on the
One-Line Diagram
- Illustrate System Wide Coordination
- Tabulate Operating Times via
an Event Viewer
- Customizable Reports
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Extensive Protective Device Library
- Most comprehensive & up-to-date protective device information
- Validate & verified libraries using published manufacturer data
- User-definable libraries - easily create & add new devices
- Digitalization points & equation based relays
- True-to-the-form modeling of protective devices
- Legacy as well as state-of-the-art device manufacturer models
- Library edited-by & checked-by capabilities
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