Michael Liu

Using OPF-Based Operating Envelopes to Facilitate Residential DER Services

Michael Z Liu, Luis F Ochoa, Peter KC Wong, John Theunissen

Journal article  |  2022  |  IEEE TRANSACTIONS ON SMART GRID

The proliferation of residential distributed energy resources (DER), such as solar PV and batteries, is creating opportunities for..

Residential PV Hosting Capacity, Voltage Unbalance, and Power Rebalancing: An Australian Case Study

Y Hou, MZ Liu, LF Ochoa

Conference Proceedings  |  2022  |  IEEE PES Innovative Smart Grid Technologies Conference Europe

Voltage rise issues due to residential photovoltaic (PV) systems are not only because of reverse power flows. Most PV systems are ..

Ensuring Distribution Network Integrity Using Dynamic Operating Limits for Prosumers

Kyriacos Petrou, Andreas T Procopiou, Luis Gutierrez-Lagos, Michael Z Liu, Luis F Ochoa, Tom Langstaff, John M Theunissen

Journal article  |  2021  |  IEEE TRANSACTIONS ON SMART GRID

The number of residential consumers with solar PV and batteries, aka prosumers, has been increasing in recent years. Incentives no..

On the Implementation of OPF-Based Setpoints for Active Distribution Networks

Michael Z Liu, Luis F Ochoa, Steven H Low

Journal article  |  2021  |  IEEE TRANSACTIONS ON SMART GRID

In the context of active distribution networks, AC Optimal Power Flow (OPF) has shown great potential to calculate setpoints for c..

Grid and Market Services From the Edge: Using Operating Envelopes to Unlock Network-Aware Bottom-Up Flexibility

Michael Z Liu, Luis Nando Ochoa, Shariq Riaz, Pierluigi Mancarella, Tian Ting, Jack San, John Theunissen

Journal article  |  2021  |  IEEE POWER & ENERGY MAGAZINE

The proliferation of distributed energy resources (DERs) at the edge of the grid, such as residential solar photovoltaics and batt..

Residential PV Settings for MV-LV Networks: A Distributed Three-Phase AC OPF

AG Givisiez, MZ Liu, LF Ochoa

Conference Proceedings  |  2021  |  2021 IEEE Madrid PowerTech, PowerTech 2021 - Conference Proceedings

The operation of MV-LV networks with high penetrations of residential PV systems will require the active management of PV settings..

USING RESIDENTIAL BATTERIES FOR PRIMARY FREQUENCY RESPONSE: TIME-VARYING EXPORT LIMITS AND ACTIVE DROOP CALCULATIONS

D Jaglal, M Liu, LF Ochoa

Conference Proceedings  |  2021  |  CIRED 2021 - The 26th International Conference and Exhibition on Electricity Distribution

Integrated MV-LV network modelling for DER studies

AT Procopiou, J Jazaeri, K Petrou, M Liu, LF Ochoa, T Langstaff, J Harding, J Theunissen

Conference Proceedings  |  2021  |  IET Conference Publications

Despite the fact that residential distributed energy resources (DERs) are connected to low voltage (LV) networks, the analysis of ..

Assessing the effects of DER on voltages using a smart meter-driven three-phase LV feeder model

Y Wang, MZ Liu, LF Ochoa

Journal article  |  2020  |  Electric Power Systems Research

The increasing number of residential distributed energy resources (DER) is driving the need for distribution companies to routinel..

Operating envelopes for prosumers in LV networks: A weighted proportional fairness approach

K Petrou, MZ Liu, AT Procopiou, LF Ochoa, J Theunissen, J Harding

Conference Proceedings  |  2020  |  IEEE PES Innovative Smart Grid Technologies Conference Europe

Residential consumers with distributed energy resources such as solar PV and batteries, also known as prosumers, are becoming incr..