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Efficiency analysis of a three-phase power transformer
(EE Publishers, 2014)
Metal, chemical, cement, concrete automobile, mining and other industries struggle to increase the efficiency of the energy they use.
Three-phase power transformers play significant role in terms of energy saving, so one ...
Die ontwikkeling van ’n superkapasitoraangedrewe voertuig vir die mynboubedryf
(AOSIS, 2014)
The mining industry is currently looking to implement electrical vehicles into the underground tunnels of mines to reduce the amount of carbon pollution in these tunnels. This electrical vehicle is driven by an ultracapacitor ...
Developing esco procedures for large telecommunication facilities using novel simulation techniques
(Energy Research Centre, University of Cape Town, 2008)
Peak electricity demand in South Africa will exceed the available operational generation capacity in 2007. The state utility, Eskom, is addressing this challenge, inter alia, with the implementation of a national Demand-side ...
A self-sensing active magnetic bearing based on a direct current measurement approach
(MDPI, 2013)
Active magnetic bearings (AMBs) have become a key technology in various industrial applications. Self-sensing AMBs provide an integrated sensorless solution for position estimation, consolidating the sensing and actuating ...
A review on thermoelectric cooling modules: installation design, performance and efficiency
(Academic Journals, 2013)
A thermoelectric cooling module (TECM) is defined as a solid-state heat pump and present advantages
(for example, no moving parts and no harmful gasses) over other refrigeration technologies. However,
to optimally use ...
Analysing two control methods of shunt active filters for unbalanced load
(Nagpur: Yeshwantrao Chavan College of Engineering, 2014)
A three-phase shunt active filter is used for current and/or voltage unbalance compensation. Two control schemes with two
different theory, instantaneous power theory and Generalized Fryze are considered to compensate the ...
Efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill
(Energy Research Centre, University of Cape Town, 2015)
This paper presents an efficiency analysis of an
induction motor with direct torque and flux control
at a hot rolling mill in South Africa. Two scenarios
were evaluated: 1) where the induction motor was
controlled at ...
Efficiency analysis of a three-phase power transformer
(Crown Publications, 2015)
Transformers are key elements in the industrial processes into
which they are integrated. Reliability is crucial to ensure uninterrupted power supply to motors, furnaces and smelters used
in a wide variety of applications ...
Nie-indringende monitering van elektriese kabels in die industriële sektor om onklaarraking en kragonderbrekings te beperk
(AOSIS, 2015)
Condition monitoring of electrical cables can prevent
cables from failing prematurely. Partial discharge (PD) is the main source for degradation
of the insulation material of medium-voltage cables. The well-known capacitor ...
Development of an axial suspended AMB experimental bench for load and disturbance tests
(UNAM (Universidad Nacional Autónoma de México), 2015)
This paper provides the development of an axial suspended active magnetic bearing (AMB) experimental bench for load and disturbance tests.
This test bench must be capable of levitating a 2 kg steel disc at a stable working ...