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  Home / SOFTWARE / ENERGY MANAGEMENT / Ariane

Ariane

Utilities management and power plant optimization

Ariane is a decision support tool dedicated to the management of plants that produce energy under the form of utilities (steam, electricity, hot water...).

Features

A modeling and optimization tool specifically designed for utility production plants of industrial sites and district heating networks.

A technology that allows to manage and optimize the most complex plant configurations.

The possibility to use Ariane “online” for real-time optimization.

An open software, easy to implement and to use.

The choice of many players from refining industries, petrochemical plants, paper mills, district heating and providers of energy services.


Producing utilities at the minimum cost while respecting all constraints.

In both industrial sites and district heating plants, challenges faced by utilities production plant designers and managers are multiplying and becoming increasingly complex: reducing production costs, minimizing investment risks, controlling polluting emissions, investigating cogeneration projects, evaluating different contractual options… To respond to these challenges they need efficient software tools to conduct in-depth analysis of the installation and to identify its optimal configuration, without considerable amount of expertise in modeling.

 

In many industrial sectors, energy production is the main operational cost, after the raw material. For district heating, it is the key element of a unit profitability.


Ariane software purpose is to reduce and manage efficiently these production costs. It is a decision support tool dedicated to the production of utilities (steam, electricity, hot water…).


In design, operations or planning, Ariane enables the user to determine how to operate the utilities production system to reach the lowest cost considering the demands and prices.
In many industrial sectors, energy production is the main operational cost, after the raw material. For district heating, it is the key element of an installation profitability.
Ariane software purpose is to reduce and manage efficiently these production costs. In design, operations or planning phase, Ariane enables the user to determine how to best configure and operate the utilities system, at the lowest cost, according to current demands and prices.

Depending on the plant, expected savings reach several percent of the total energy bill.

Ariane is also used by many companies to evaluate the ROI of a single equipment or of an entire plant or to evaluate cogeneration agreements economic viability and performances.

A complete software to respond to all energy production issues
Ariane is a flexible and complete tool that allows the user to conduct in-depth analyses and to materialize benefits during all phases of plant life:

In design phase

    Quickly evaluate different equipment options and test new production configurations, pre-size new equipment, consider existing equipment modification ...
    Adapt an installation to norms and external constraints (in particular, those related to environmental regulation)
    Evaluate the ROI of a single investment of or a complete plant
    Evaluate the possibilities of partial resale of utilities to third parties



In operation phase

    Optimize operating parameters and determine the lowest production cost configuration
    Quickly determine the best response to unexpected event (equipment breakdown, raw material shortage...)
    Adjust the consumption of the different fuels according to the energy requirements of the network, their availability or their cost
    Evaluate and manage the level of polluting emissions and their composition (NOx, SOx, CO, Dusts...)
    Train and sensitize operators on some aspects of the plant operation


In management or planning phases

    Select the best electricity or suppliers and tariff agreement among different offers
    Evaluate the profitability of a cogeneration and the opportunity of electricity trading while knowing its exact cost
    Manage CO2 quotas, analyze costs over a long period according to load variations and resources prices
    Prepare accurate analysis of the efficiency of the plant, financial balances or budgets according to utilities produced or raw materials consumed

 


The full technical and economical complexity of utilities production

Thanks to a modeling environment that takes into account the full complexity of the plant and avoids simplifying assumption, Ariane allows the user to gather accurate information of the different aspects of the utilities production. Main features are :

    A full set of standards equipments (boilers, turbines, deaerators, valves...), but also specific equipment for cogeneration and district heating networks (heat exchangers, water heaters, preparators.) to represent the installation accurately
    A thermodynamic model that represent accurately the properties of water, steam and fumes
    A database that includes the most common fuel (natural gas, oil, coal.) and that the user can enrich by creating its own fuels (biomass, black liquor, wastes.).

Moreover each equipment item can be configured to take into account its technical constraints (min / max), its operating mode (run, hold, imposed or "optimizable" flow), design characteristics (yield curves.) and capital or maintenance costs. Models used are non-linear in order to allows a realistic representation of the evolution of their yield and of their enthalpy balances, which ever the load of the plant could be.

What-if studies and real-time "online" optimization

Ariane allows the user to easily create the model of a plant and to analyze "offline" different configurations or production scenarios. Plessala, an add-in module of Ariane, allows the user to run "online" optimizations that identify at regular intervals the actual operation cost, the possible minimum costs and the means to reach it. With Plessala it is possible to establish a direct link with the real-time plant database (and therefore the DCS) and to monitor Ariane to run automated calculations. Furthermore, the user can analyze, manipulate data and exploit the results in any software that supports the COM technology, in particular MS-Excel. The potential uses are then multiplied and it becomes possible to:

    Perform data validation and detect sensors failure
    Manage constraints on a long period (cogeneration contracts, annual CO2 quotas.)
    Generate retrospective balances and conduct multi-period or multi-site analyses
    Produce results according to users expectations: operators, engineers, managers.



A flexible and intuitive graphical user interface

Ariane GUI uses the most advanced MS-Windows standards and includes numerous features such as colors management, contextual windows, right click, double click, zoom.

The flowsheet drawing is done intuitively thanks to the "drag and drop" function and many additional functionalities ensure a convivial use and a fast learning:

    Drawings management (sizing, positioning, rotation, image import..),
    Units conversion tool,
    Choice of the language (English or French),
    Research module for the most complex systems,


Rigorous control on the data entered by the user has been implemented to ensure the consistency of all the parameters and to limit the number of potential mistake during conception.

Simulation results can be accessed in various ways, allowing to quickly reach the information of interest, whatever the complexity of the system. They can also be exported MS Excel format, for quick and easy dispatch.

 

 

 

Is Ariane a software for power plant design or operation?

Both. It is the daily tool to modify operating conditions as a function of energy needs. Ariane indicates what are the conditions that correspond to the lowest cost.

 

Is there a limitation on the number of networks we can simulate?

No. You can also connect equipment without any limitations regarding the equipment number.

 

Can I simulate a cogeneration unit?

Yes. The cogeneration contract can be total (you sell all the produced electricity) or partial. In this case, Ariane allows you to measure the economic impact of the cogeneration.

 

Which optimizer is used?

We are using an SQP method. The strong point of Ariane is its efficient adaptation of this method to optimize complex networks in the shortest time.

 

Can I test the software before acquiring it?

Yes, this is possible, but not recommended given the specificities of the application field of the software. We will make sure however that you get a complete understanding of the package, with demonstration meetings, web conferences etc. Please get in touch with the Sales Department (sales @ prosim.net) who will define with you the best way to understand the software features and their applications in your specific activity.