State Estimation in Medium Voltage Distribution Networks using Pseudo Measurements

Transition from fossil fuels to sustainable sources of energy like wind and solar is the need of the hour. All over the globe, plans are in motion to achieve this goal. This implies addition of new elements to the grid in the form of Distributed Energy Resources (DERs). These affect the working of distribution grids and to ensure reliable as...

The influence of distributed generation on protection schemes in medium voltage networks

Nowadays, the amount of distributed generation (DG) units is increasing rapidly. Most of them are represented by microturbines, combined heat and power (CHP) plants and synchronous generator. At this moment, IEEE 1547 standard states that DG clearing time should be based on the during-fault voltage range. However, DG units will be required to be...

State Estimation in Medium Voltage Distribution Networks

Transition from fossil fuels to sustainable sources of energy like wind and solar is the need of the hour. All over the globe, plans are in motion to achieve this goal. This implies addition of new elements to the grid in the form of Distributed Energy Resources (DERs). These affect the working of distribution grids and to ensure reliable as...

Measurement strategy for state estimation of medium voltage grids with distributed generation

The world is going through an energy transition towards decentralized electricity generation like photovoltaic systems and new loads like electric vehicles, which contribute to the variability of the operation state of distribution systems. To ensure future operation under safe and efficient conditions, it becomes increasingly important to have...

Unsupervised Learning to Locate Weak Spots in the Medium Voltage Grid

The Medium Voltage (MV) network in the Netherlands is almost entirely composed of underground cables. The failure statistics show that the interruptions in the medium voltage have a high contribution in the mean outage time per year per customer. The interruptions in the medium voltage grid are often caused by failure of circuit components...

Impact of Future Residential Loads on Medium Voltage Networks

This report describes the impact of future residential loads and generators on the loading of electricity grids by applying a new load modelling technique to a large set of existing medium voltage (MV) networks. Different future scenarios with resulting load profiles are tested on the MV networks.

Business opportunities for breakthrough technologies in the future medium voltage networks

The electric power network has to be able to cope with extensive changes in the near future, like distributed generation (DG) and electricity produced from renewable energy sources (RES). The conventional technologies, which are used in the electric power network of the Netherlands, are not sufficient to cope with these changes. This research...

Addressing voltage sag contribution of an optimally sized Industrial Hybrid Power System: Using a multi-objective sizing framework considering cost and CO2 emission

This thesis titled "Addressing voltage sag contribution of an optimally sized Industrial Hybrid Power System" introduces a framework for sizing an industrial Hybrid Power System (HPS) to minimise Cost and CO2 emissions relative to connecting the industrial site directly to the grid with the help of a genetic algorithm, specifically NSGA-II. The...