Web-based power systems analysis applications
are delivered via web servers that run scripting languages
such as PHP
The role of the web server is usually to pass
results and data between a front-end web browser and
specialised back-end computation software which carries out
the actual simulations and analysis
More recent versions of
the web scripting languages have the computational
capabilities required for power systems analysis and can
handle the responsibility of modelling networks and
analysing them
This provides an opportunity for a slimmer
2-tier framework in which the web server also acts as the
application server thereby reducing the server resources
required and simplifying access to modelling functions