Siemens joint Resource Optimization and Scheduler User Manual
joint Resource
Optimization
and Scheduler
All forecasting and planning
applications in one component.
siemens.com/spectrum-power
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joint Resource Optimization and Scheduler ‒ jROS | Brochure
joint Resource
Optimization and
Scheduler – jROS
The progressive liberalisation of the energy markets does
not only yield new possibilities and chances but it also
raises new risks. The long-term planning of business activities is impacted by the high volatility of electricity markets
as well as of the fuel market. On top of that, with the
increasing share of renewable energy production, such as
the generation from water, wind and solar resources, the
uncertainty in the total production raises continuously.
Risk Evaluation for a given portfolio under the uncertainties
of the future development is therefore increasingly essential.
Spectrum Power™ jROS is a comprehensive collection of
state-of-the-art applications that will support you in your
tasks of Forecasting and Optimization.
Platform independent Design
jROS is based on standard products like Oracle, JBoss Application Server and Enterprise Java Beans. It provides client
access by a Java-application.
jROS is designed as a shared component of Spectrum
TM
Power
or integrated in a SCADA/EMS System.
jROS is platform independent and can be delivered on
Windows, UNIX and LINUX platform. It may run on a single
machine (e.g. a common laptop) or may be distributed on
several servers for high performance requirements.
. It may be used as a stand-alone planning system
Portfolio Management
The tasks of the Portfolio Management in a power generation company can be supported by statistical algorithms
and mathematical optimization resulting in clear profit
benefits for the company.
These tasks are:
• Long- and Medium term planning of the next few years
optimizing trading opportunities, maintenance periods,
etc.
• Managing the physical risk by use of Monte Carlo Simulation or Stochastic Optimization.
• Short term scheduling for day ahead and intraday market
decisions including the creation of the final schedules for
up to 4 weeks.
• Short term load forecasting of area loads and/or loads
of big consumers.
• Renewable energy source forecast for determination of
expected generation of wind and solar power.
Spectrum Power™ jROS is a component that combines
these tools on one common platform. This minimizes the
administration effort of the tools as all planning activities
are performed with one system so that the planner / dispatcher may concentrate on his core business. Therefore,
it combines the advantages of all forecast and planningtools.
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Brochure | joint Resource Optimization and Scheduler ‒ jROS
Ready to use
jROS supports multi-user activities, e.g. locking data sets
that are edited by one user and updating the user interface
of all users after data modification.
jROS includes a model editor to add and modify the plants,
units and other objects of the production system as well as
the contracts for fuel and electrical energy. The users can
model their power system in more or less complex models
as desired for the specific task.
Manual data input is checked immediately during entering
and logged automatically. Mass data input is supported by
an Excel-import feature, which is also subject to data
checks during import. This reduces the probability of infeasible problems in the optimization runs. Further checks are
performed by the algorithms, giving clear text messages to
the user guiding to the source of the problem.
An advanced variants management allows studying and
comparing different data sets efficiently. Each variant is
completely independent and may differ in the parameters
or in the data model itself.
The user interface is ready to use, i.e. it adapts automatically to the content of the specific variant. It consists of
predefined overview displays and analysis displays with full
details of specific objects. Additionally, the user may define
specific overview displays collecting results optimal for his
workflow. All displays provide tabular and chart views and
allow importing and exporting from and to Excel or CSV.
Variant Management
The Variant Management allows the variant administration
of several data sets to be examined. It contains the following features:
• stores the variants into external files
• produces new variants from external files or as a copy
of an existing variant
• compares the results of several variants
Calculations may be started for a list of variants. jROS
creates then a queue performing the calculations sequentially or in parallel depending on the available system
environment (CPUs and solver licenses).
Each variant is completely independent and can be different in the parameters or in the model (e.g. different phases/expansion variants). Different variants can include data
of different companies. Defined user rights offer protection
against unauthorized access.
Workspaces
Several variants can be associated to a workspace. Limiting
the user permission on those workspaces allows to separate
the system completely, e.g. for serving different departments or even companies by one system. jROS is therefore
“client competent”.
Each Workspace contains an Archive (common for all applications). Each variant of each application (within one
workspace) has access to the data of this Archive.
Audit Trail
All manual changes are logged automatically and are visible
in the Variant Logs display. All changes are stored for each
variant separately. Following information is included in
Variant Logs display:
• Date and time of the change
• Type and name of the object
• Which user made the change
• Old value / new value
(for short-term applications only)
• Activation of an application-engine
• Activation of interfaces
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