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PowerApps a Suite of Power System Analysis Software
PowerApps is an integrated Power Systems Analysis Software & Simulation package
that includes the Graphic User Interface, Data Base Manager, and Electrical Equipment
Parameter Estimation for creating the Network one-line diagram and associated database.
PowerApps offers both graphical and tabular data entry modes, user-preferred single-line
diagram drawing options and sophisticated facilities for reporting, plotting and
customizing the simulation reports. The design of PowerApps recognizes the fact
that there is no memory restriction in present day computers. Consequently PowerApps
has no builtin dimensioned variables. The needed memory for analysis of any system
is allocated dynamically during execution time.
General Features of PowerApps
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Multiple study cases of load flow/short circuit/stability/protection/and other analytical
procedures cases for all the network islands in one single execution
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A single master database for all the study cases and outputs for easier maintenance
of project database.
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Automatic one line diagram creation and presentation of results for all the study
cases. The one-line diagrams are created for each network island. Further, single
line diagrams for different user specified zones are automatically created.
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Facilities for interactive single line diagram creation using a Windows based GUI.
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Automatic network model construction based on breaker statuses using an inbuilt
Network topology processor. The Network topology processor algorithm is suitable
for real time applications.
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Multiple study cases due to changes in breaker statuses, changes in load power specifications,
changes in generator schedules, changes in transformer taps, changes in number circuits,
changes in compensation etc. are handled in single program execution without creating
additional databases and the results are stored in the same
single database for post processing (e.g. Report generation).
All other analysis which needs load flow base case as input are
automatically executed after each load flow base case (e.g.
Transient stability analysis with different disturbance
scenarios) and the results are stored for post processing.
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Derived study cases from any given study base case with necessary data changes.
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No in built restriction on system size or components. The size of the system can
vary between the barest minimum to maximum permissible by the memory available in
the computer. It is the opinion of this author the entire Indian grid network can
be represented for the analysis.
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Multiple stability study cases on the same load flow base case, with different disturbance
scenarios.
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Input data in the format of ASCII, Excel, Access databases.
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OLE support
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Object oriented programming approach with Power Foundation Classes (PFC) to build
analytical algorithms. The concept is similar to using MFC for MS windows programming
in VC++.
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Standard library facilities for all common electrical elements.
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Validated algorithms (documents) with standard bench mark examples.
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