Julian de Hoog

Using Satellite and Aerial Imagery for Identification of Solar PV

Julian de Hoog, Stefan Maetschke, Peter Ilfrich, Ramachandra Rao Kolluri

Conference Proceedings  |  2020  |  Proceedings of the Eleventh ACM International Conference on Future Energy Systems

Solar photovoltaic (PV) is the fastest growing form of energy generation today, and many countries are seeing significant uptake o..

Controlling DC microgrids in communities, buildings and data centers

Ramachandra Rao Kolluri, Iven Mareels, Julian de Hoog

Journal article  |  2020  |  IET Smart Grid

Microgrid technology is poised to transform the electricity industry. In the context of commercial/domestic buildings and data cen..

Microgrid design: A piecewise linear approach

RR Kolluri, J De Hoog, OJ Smith, I Mareels

Conference Proceedings  |  2019

© 2019 Copyright held by the owner/author(s). Planning microgrids can be challenging, especially when the spatial and temporal pro..

Experimental platform for measuring the impacts of different charging strategies on battery degradation

YY Beh, D Ripper, S Shiv Kumar, H Nam U, H Weeratunge, G Narsilio, S Halgamuge, J De Hoog, RR Kolluri

Conference Proceedings  |  2019

© 2019 Copyright held by the owner/author(s). There is increasing interest in the integration of battery energy storage systems al..

Multi-Resolution Dynamic Programming for the Receding Horizon Control of Energy Storage

Khalid Abdulla, Julian De Hoog, Kent Steer, Andrew Wirth, Saman Halgamuge

Journal article  |  2019  |  IEEE TRANSACTIONS ON SUSTAINABLE ENERGY

A multi-resolution approach to dynamic programming is presented, which reduces the computational effort of solving multistage opti..

Stability and active power sharing in droop controlled inverter interfaced microgrids: Effect of clock mismatches

Ramachandra Rao Kolluri, Iven Mareels, Tansu Alpcan, Marcus Brazil, Julian de Hoog, Doreen Anne Thomas

Journal article  |  2018  |  AUTOMATICA

Stability and power sharing properties of droop controlled inverter-based microgrid systems depend on various design factors. Litt..

Model predictive control for a solar assisted ground source heat pump system

Hansani Weeratunge, Guillermo Narsilio, Julian de Hoog, Simon Dunstall, Saman Halgamuge

Journal article  |  2018  |  ENERGY

There has been an increased interest in cost and energy efficiency for heating, ventilation, and air conditioning systems for buil..

Optimal Operation of Energy Storage Systems Considering Forecasts and Battery Degradation

K Abdulla, J De Hoog, V Muenzel, F Suits, K Steer, A Wirth, S Halgamuge

Journal article  |  2018  |  IEEE Transactions on Smart Grid

Energy storage systems have the potential to deliver value in multiple ways, and these must be traded off against one another. An ..

Overcoming the Impact of Clock Drifts on Power Sharing for Microgrids

Ramachandra Rao Kolluri, Iven Mareels, Carlos Teixeira, Shengfeng Tong, Tansu Alpcan, Marcus Brazil, Julian de Hoog, Doreen Anne Thomas

Conference Proceedings  |  2018  |  2018 IEEE Power & Energy Society General Meeting (PESGM)

The stability and power sharing properties of droop-controlled inverter-based microgrids are adversely affected by model uncertain..

Power Sharing in Angle Droop Controlled Microgrids

Ramachandra Rao Kolluri, Iven Mareels, Tansu Alpcan, Marcus Brazil, Julian de Hoog, Doreen Anne Thomas

Journal article  |  2017  |  IEEE TRANSACTIONS ON POWER SYSTEMS

Component mismatches and parameters drifts drastically affect stability and long-term operation of droop-controlled inverter-based..