Our reference projects from Africa
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Reference Project Mali
Customer: ECM Sarl (Energy Company of Mali)
Technical, economic, financial, environmental and social feasibility study for photovoltaic systems of 40 MWp in Kambila and 50 MWp in Safo” in Mali.
- Grid and grid stability studies (including but not limited to the study of
short-circuit currents, load studies, power quality studies, stability studies, including grid connection costs and barriers) ; - The stability study of the national interconnected grid (NVN).
– Calculation of the load flow :
o Normal operation established,
o Evaluation of short-circuit currents.– Dynamic behaviour:
o static stability,
o Transient stability.
– Analysis of harmonics. - connection to the network.
– Analysis of the existing load in the vicinity of the selected sites, taking into account the specifications of the network in that area ;
– Connection requirements;
– Analysis of the influence of PV power plants on the grid, especially on voltage, frequency,
harmonics, fluctuations, etc. - Dynamic study essentially aims at the following points:
– Validation of the capacity maximum exchange capacity included in the static study ;
– Analyzes of network security to determine strategies to maintain acceptable operating conditions during normal operation and to secure the system during a failure.
– Assessment of transient stability, which aims to verify the immunity of the network to strong disturbances being tested by
Disorders of different types and accordingly
mainly to faults three-phase interference, loss of a power unit production loss, transmission line loss and load loss.
– Assessment of the stability statics of the interconnected electrical system with a view to assessing its stability in the event of small disturbances
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Reference Project Niger
Customer: Nigelec (Society for Energy of Niger/ Gorou Banda)
Study on the connection of a 20MW battery storage system to a mast system HV station and design of a MV station with existing connection (connection of a 20MW battery storage system to the 66kV or 130kV grid)”. HV station and design of a MV station with existing grid connection in 66kV or 130kV) in Niger
Detailed technical planning of the grid connection
of 20MW battery storage from LV/MV transformer to MT transformer. MS to HS connector.
- Detailed design and description of electrical plant equipment and protection systems (except LV/MV transformer)
- Sizing the cables and estimating theirs
length - Detailed description of the MS station
- Description of the required updates for the Scada existing
- Validation with the customer’s field team that the solution proposed is workable
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Network Modeling & Network Calculation ( PSS Sincal )
Customer: E.ON Deutschland AG
- Carrying out a network compatibility assessment (NVP)
- Technical advice regarding the next possible NVP of the feed-in plants
- Preparation of concepts for network reinforcement measures.
- Recording of the essential input parameters
- Testing of the NS network model
- Execution of the reconciliation of different primary data sources (GIS, feed-in database)
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Planning the distribution network ( PSS Sincal )
Customer: Schleswig-Holstein Netz AG
- Execution of the reconciliation of different primary data sources (GIS, feed-in database)
- Testing of the NS network model
- Recording of the essential input parameters
- Preparation of concepts for network reinforcement measures.
- Technical advice regarding the next possible NVP of the feed-in plants
- Carrying out a network compatibility assessment (NVP)
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Telecontrol with PSIcontrol and PSIprins software
Customer: PSI SOFTWARE AG
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Analysis of the customer’s telecontrol lines for technical changes and errors based on existing requirements and messages that are stored in Jira
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Concept creation for the implementation of the analyzed changes or errors, in particular the protocols IEC870, IEC61850, TASE.2, OPD-DA, OPC-UA, SINAUT, Modbus
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Extraction of data from the transmission logs
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Adaptation or renewal in PSIcontrol or PSIprins for transfer to the end customer’s control systems and their testing
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Analysis of error messages in Jira regarding functional defects in data transfer
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Correction of errors in PSIcontrol or PSIprins for transfer to the customer’s control systems and their testing
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Creation of technical documentation
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Participation in weekly meetings of the FWT specialist team for status comparison
Grid connections for consumers / feeders
Customer: RWE
- Grid planning in the high and medium-voltage grid with the NEPLAN grid planning tool
- Development of target grids taking into account existing consumers and feeders
- Data preparation for grid connections for consumers or feeders
- Planning of new constructions/ conversions/ dismantling of overhead line and cable systems
- Maintenance planning for overhead line and cable systems, switching devices and switchgear
- Preparation of tender documents
- Processing of projects
- Coordination of trades to optimize and ensure project execution
- Participation in construction meetings
- Preparation, follow-up and participation in coordination meetings
Concept development and consulting in the field of network connections and commissioning.
Customer: Nordex SE
- Creation of a concept for the commissioning of new network connections
- Technical consulting for the installation of the network connections
- Stakeholder management (network operators, customers and internal project staff)
- Analysis of contractual requirements
- Preparation of specifications
Network planning industrial networks and distribution networks (HS / MS/ NS)
Customer:
Westnetz GmbH
- Assessment of the demand situation and development of solution variants (basic and implementation planning and documentation) for medium and low-voltage electricity grids in accordance with specified guidelines and taking development planning into account
- Integrating the topics of the energy transition into the projects, such as decentralised feeders and e-mobility and planning the smart distribution grids of the future.
- Conducting cost comparisons and profitability calculations in the course of determining possible solution variants. Responsible for the preparation of implementation documents, service specifications and cost estimates, including the post-calculation of projects and obtaining approvals for measures.
- Overall process planning/control as well as determining and adhering to the budget for measures and schedules for complex construction measures.
- Hiring external companies, scheduling materials, negotiating with external partners (customers, authorities, utility providers, etc.) and maintaining the necessary correspondence for project execution.
- Monitoring the construction progress of projects and ensuring their successful realisation.
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