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In conjunction with the tutorial document, available at www

Simplex Nodal tutorial

by Simplex Nodal Limited

What is it about?

In conjunction with the tutorial document, available at www.simplexnodal.com, use the app to learn about electricity markets by graphically building and solving your own electricity market models. The tutorial also describes the simplex algorithm that solves the model and the app lets you see the internal workings of the algorithm.

App Details

Version
2.2
Rating
NA
Size
3Mb
Genre
Education Business
Last updated
June 5, 2017
Release date
April 8, 2016
More info

App Screenshots

App Store Description

In conjunction with the tutorial document, available at www.simplexnodal.com, use the app to learn about electricity markets by graphically building and solving your own electricity market models. The tutorial also describes the simplex algorithm that solves the model and the app lets you see the internal workings of the algorithm.

This tutorial version of the app is free, and includes 12 solves which you can use to demonstrate introductory electricity market principles. To continue on you can buy more solves via in-app purchases, or upgrade to the full version, which has unlimited solves (but is otherwise identical).

The tutorial and app cover features of nodal electricity markets such as: locational marginal pricing, line losses, parallel flows, binding constraints, price separation, the spring washer effect, risk and reserves, ramp-rates, congestion charges, transmission rentals, multiple electrical islands, HVDC branches, HVDC risk, HVDC risk subtractor, HVDC reserve sharing, and more.

See www.simplexnodal.com for more screenshots and the tutorial document.

Highlights:
• The tutorial explains nodal electricity markets and the simplex algorithm via worked examples using the app
• Start with small models to learn the basic concepts of the electricity market model the simplex algorithm
• Learn how to explain prices by relaxing constraints to determine shadow prices
• Enable/disable electricity market features to focus on individual effects, e.g., risk and reserve is easier to explain with line losses disabled
• View full details of the simplex modelling including basic and non-basic variables, constraints, shadow prices, and details of the simplex iterations
• Learn how the simplex algorithm works by viewing the step by step simplex operations that solve the electricity market model. View iteration details in the app and/or export the simplex tableaux as a csv file
• The app implements its own simplex algorithm but you can also export the model in GAMS format to solve externally if you have access to the GAMS solver
• Includes sample models that represent sections of an actual electricity market

iPhone and iPad functionality is the same. Zoom and scroll allow the iPhone to access iPad sized models.

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