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26 May 2020 | Story Valentino Ndaba | Photo iStock
UFS campuses are transforming into research instruments while simultaneously improving campus operations through the Smart Grid initiative.

Imagine living in a smart home. Imagine monitoring your household’s electricity usage via an integrated system that would notify you of your daily electricity use, peak usage times, and tariffs and consumption at the location of the house. As a user, you would be able to take advantage of such information in order to manage your resources in a more efficient manner. This is just one example of what a Smart Grid can do.

The University of the Free State’s (UFS) Faculty of Natural and Agricultural Sciences has teamed up with the Department of University Estates to drive our very own Smart Grid initiative that is transforming the university’s power network into one with full control and monitoring. “A Smart Grid allows for resource optimisation and asset protection, especially in times like these,” said Nicolaas Esterhuysen, Director of Engineering Services. 

Why is it important for our university to have a Smart Grid?
Dr Jacques Maritz, Lecturer of Engineering Sciences at the Faculty, considers a Smart Grid the natural evolution of power grids in the era of Big Data, IoT and Machine Learning. Resources such as electricity, water and steam can now be monitored and controlled to promote savings and the protection of valuable infrastructure. “Aiming towards Smart Grid status, the UFS will improve resource service-delivery to its staff and students, while sculpting a digital twin of its campus’s power grid, consumer network and resource generators,” he added.
  
How will a Smart Grid improve student success?
The integrity, sustainability and continuous supply of energy directly affects the academic project on all three campuses. The implementation of a Smart Grid could allow improved service delivery and reaction time when any utility is interrupted, as well as maintaining the valuable infrastructure that serves the UFS community.

In what way does a Smart Grid improve the lives of staff members?
According to Dr Maritz  and Esterhuysen: “A Smart Grid will support staff to perform their teaching and research duties in a seamless manner, continuously optimising the energy that they consume to enable full comfort and reliability in energy supply, whilst simultaneously generating savings in energy and preventing wastage.”

The UFS already boasts most of the fundamental building blocks associated with the Smart Grid initiative, especially focusing on monitoring, grid protection, centralised and decentralised solar PV generation and software platforms to serve all these domains. However, to integrate all of these domains into one digital real-time paradigm will be a first for the UFS.

Some examples of the UFS smart grid applications currently in practice
Real-time remote monitoring and control that focuses on the following:
- We are able to detect power outages and don’t have to rely on customer complaints. This enables faster response time and fault identification, thus less downtime and an increase in reliability;
- Solar plant generation; 
- Monitoring our standby generation fleet; 
Identifying usage patterns and saving thereof;
Benchmarking buildings in terms of application usage, area or occupancy to determine energy efficiency and identify savings; and condition-based preventive maintenance that will increase reliability while saving costs.

News Archive

Guidelines for diminishing the possible impact of power interruptions on academic activities at the UFS
2008-01-31

The Executive Management of the UFS resolved to attempt to manage the possible impact of power interruptions on teaching and learning proactively. Our greatest challenge is to adapt to what we cannot control at present and, as far as possible, refrain from compromising the quality of teaching and learning at the UFS.

First the following realities are important:

  • There is no clarity regarding the period of disruption. It is possible that it may last for a few months to approximately five years.
  • At present Eskom (as well as Centlec) is not giving any guarantees that the scheduled interruptions will be adhered to. It comes down to this that the power supply may be interrupted without notice, but can also be switched back on in an unpredictable manner.
  • Certain scheduled teaching-learning activities/classes, etc. may (initially) be affected very negatively, as the UFS is working according to a scheduled weekly module timetable at present.
  • During the day certain venues with natural lighting and ventilation may remain suitable for contact sessions, while towards evening venues will no longer be suitable for the presentation of classes.
  • Lecturers will have to fall back on tried and tested presentation methods not linked to electricity, without neglecting innovative technology-linked presentation methods, or will have to schedule alternative teaching-learning activities for lost teaching-learning time.

Against the background of the above-mentioned realities, we secondly request you to comply with the following guidelines as far as possible:

  1.  In addition to your module work programme, develop an alternative programme (which can, for example, among others, consist of additional lectures or a more rapid work rate) in which provision is made for a loss of at least two weeks’ class/contact time during the semester. Consult Centlec’s schedule of foreseen power interruptions for this planning.
  2. Should it appear that your class(es) will probably be disrupted seriously by the scheduled power interruptions, you should contact your dean for possible rescheduling of your timeslot and a supplementary timetable. A prescheduled supplementary timetable for Friday afternoons and Saturdays and/or other suitable times will be compiled for this purpose in co-operation with faculties.
  3. The principle of equivalent educational treatment of day and evening lectures must be maintained at all times. Great sensitivity must be shown by, for instance, not only rescheduling the lectures of evening students - given specifically the sensitivity regarding language and the distribution of day and evening lectures.
  4. In the case of full-time undergraduate courses, no lectures should be cancelled beforehand, even when a power interruption is announced, as power interruptions sometimes do not take place or are of shorter duration than announced. If the power supply is interrupted, it should not be accepted that it will remain off and that subsequent lectures will not take place. Should a power interruption occur in a venue, lecturers and students must wait for at least ten minutes before the lecture is cancelled. Should natural lighting and ventilation make it possible to continue with the lecture, it should be done.
  5. Our point of departure is that no student must be able to use the power interruptions and non-presentation/cancellation of lectures as an argument for having failed modules, for poor academic performance or to negotiate for a change of examination scheduling.

Thirdly we wish to make suggestions regarding teaching and learning strategies (which can be especially useful in case of a power interruption).

  • Emphasise a greater measure of self-activity (self-initiative) on the part of students in this unpredictable environment right from the start.
  • Also emphasise the completion of assessment assignments in good time, so that students cannot use power interruptions as an excuse for late submission. Flexibility will, however, have to be maintained.
  • Place your PowerPoint presentations and any other supplementary learning materials on the web.
  • Use the opportunity to stimulate buzz groups, group work, panel discussions and peer evaluation.

Please also feel free to consult Dr Saretha Brussow, Head: Teaching, Learning and Assessment Division at the Centre for Higher Education Studies and Development, about alternative teaching, learning and assessment strategies. Phone extension x2448 or send an email to sbrussow.rd@ufs.ac.za .

Thank you for your friendly co-operation!

Prof. D. Hay
 

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