Customer: SW Ettlingen

Year:    2024

Country:    Germany

Positions: Project Manager and Expert Network Analysis

Hosting capacity of MV und LV grids for e-mobility, heat pumps, and photovoltaics

• Data analysis and grid modelling

• Forecast of connection-specific power for E-mobility and heat pumps, Differentiation in public, private and commercial infostructures, consideration of sizes of roofs and types of house insulation. Dimensions 450k households

• Grid data preparation, probabilistic distribution function for forecasted units

• Probabilistic load flow series sequence calculation

Customer: HEDNO (Hellenic Electricity Distribution Network Operator)

Year: 2021-2023

Country: Greece

Positions: Project Manager, PowerFactory, Network modelling expert and Trainer

The Software Integration for Distribution Network Development Studies (SPDNDS) comprised of Integration customer specific functions and Interfaces in PowerFactory.

• Large scale GIS-Integration based on Smallworld Electric Office,

• Standard Interfaces – Standard Interfaces for PSS/U and PSS-ADEPT Protection Databases

• HEDNO Specific Interfaces

• Customer Trainings

• PowerFactory Development – optimal Recloser Placement, Fault Location

• Reliability Data estimation

• Network Operation: Disaster and Emergency Operation Plans

• Create HEDNO specific dynamic models

• Acceptance test of all functional requirements

• Trainings (Fundamentals, Power Quality and Harmonic Analysis, Grid Connection of Renewable Generation, Distribution Network Tools, Reliability Analysis, Techno Economic Analysis, Optimal Power Flow, Stability Analysis, Motor Starting Methods)

Customer: CONSULECTRA Unternehmensberatung GmbH

Year: 2019

Country: Germany

Positions: Expert PowerFactory, Network Modelling and Analysis

Analysis for grid expansion variations for the RNG’s 110 kV grid

• Modelling Variations for 2030 and 2040

• Consideration of: New substation construction, Double overhead line connections, Permanent infeed

• Emergency infeed from given HV Substations

• The congestion caused by the infeed during emergency operation

• Calculation of energy losses

• Rentability calculation

• Reliability calculation

  • Calculate equipment-specific reliability data from data sets

  • Reliability studies for the existing grid and the grid variations

  • Single busbar fault

  • Faults on lines and cables

  • Spontaneous protective over function

  • Dependent multiple faults

  • Switch/protective device failure

  • Dependent protective over functions

• Reliability-based comparison of variants

• Detailed Analysis of the individual variants 

Customer: DanGrid

Year: 2012

Country: Denmark

Positions: Network Modelling and Network Analysis

Midtfjellet Onshore Windfarm

Verification of compliance of the Wind Farm Midtfjellet with the connection conditions of FIKS Grid Code.

• Voltage and Reactive Power Control

• Verification of reactive power capabilities (PQ and QV curves)

• Review and expansion of the existing wind farm model

• Verification of the sizing of equipment in the wind farm

• Verification of compliance with the FIKS Grid Code (Reactive Power Capability studies, Verification of FRT capabilities)

• Verification of the sizing of equipment for the reserve power supply

• Estimating the Capacity of the Capacitors

• Inrush Current Calculation

• Considering background harmonic voltages up to 50th harmonic

• Impedance loci at the PCC,

• Harmonic studies, variation with 3 capacitor banks

• Loss calculations 

Customer: Enedis

Year: 2010-2025

Country: France

Positions: project manager, expert network calculations, Key account manager, and PowerFactory trainer

System Integration – Studies for Sustainable Network

• Management of a team of technical experts in Germany and France

• Development of “train-the-trainer” training programmes for France

• Planning and coordination for effective implementation of large-scale grid models in PowerFactory

• Development of tools for analysing the ERDF medium- and low-voltage electrical networks, including tools for network connections, operational planning, and network expansion planning (to replace PRAO and PRAOGEN)

• Adaptation of reliability analysis methodologies for ENEDIS

• GIS / PowerFactory integration

• User interface design

• Integration of National Calculation (Calcul National)

• Integration of low voltage analysis (Analyse BT)

• Development of custom scripts for the ERABLE user interface