PowerApps software product is a Proprietary Property of Dr Raghunatha Ramaswamy. The technical aspects however has inputs from past colleagues and mentors. Notably this software development would not have been possible without support from Dr Ramanujam and the management of I.D.E.A who supported during 1980s and 1990s.
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Optimal Power Flow Algorithm Description[Right click to Save As]
Optimal Power Flow Algorithm Description Download
Convergence Characteristics of the PowerApps Optimal Power Flow[OPF]

Reactive Power Optimization[RPO], Optimal Power Flow [OPF], Economic Dispatch[ED], Available Transfer Capability [ATC] Calculations

The power flow solution calculates power flows and determines bus voltages at an operating point for a given network configuration and generation and load specifications. However, it is left to the engineering judgement of the system planner to determine optimum way of system operation considering

- Operating objectives

- Operating constraints [Commercial and Security Constraints] and

- Equipment capability constraints.

Such an exercise using load flow tool is very tedious and time consuming for a practical power system with large number of operating controls and constraints.

A properly designed optimal power flow [OPF] solution provides the best and most optimum practical solution to achieve improvement in a single or multiple hierarchical objectives while respecting various constraints on the system operation. An OPF can determine the most effective subset of controls and their solution for a given operating condition to improve the specified objectives. OPF can consider different objectives for improvement such as transmission loss minimization, voltage stability improvement and minimization of system operating cost.

OPF/RPO analysis module of PowerApps is based on the Primal-dual LP programming approach and has the following features:

Convergence Characteristics of the PowerApps Optimal Power Flow[OPF]

Mail your questions, enquiries to raghunatha@powerapps.org