Exact(9)
On the low voltage side, the optoisolators were powered using Vdd and Gnd of the MCU.
This is the case for instance when transfers of fast front overvoltages from the high voltage side to the low voltage side of a transformer are involved.
Whilst the proposed method is also applicable on inductive microgrids, this paper focuses on a resistive microgrid since most microgrids are likely to be located on the low voltage side of the grid (where the network is mainly resistive).
The high-voltage side is connected to Vdc, whereas the low voltage side Eb is connected to the energy storage device.
The bus voltage, reactive power, power factor at the low voltage side (10 kV) of the first test is shown in Fig. 10.
The transformer loading data were recorded for 4 months using Schneider ION 7650 power quality meter that is installed at the low voltage side of the transformer.
Similar(51)
Studies show that the wind farm protection coordination functions well when three-phase fault occurres at K7, K8, and K9, which are all at the low voltage sides of the wind turbine transformers.
Fortunately, all of our work was constrained to the low-voltage side of the equipment.
As an application example, the model is demonstrated for simulation of resonant voltage transfer from the high-voltage side to the low-voltage side.
This paper presents a study of lightning overvoltages transferred to the low-voltage side of a 10 kVA 7.967 kV/240–120 V single-phase distribution transformer considering dispersive ground effects in the medium-voltage distribution line terminated at its primary side.
It is shown that the frequency variation of the ground resistivity and permittivity can significantly affect voltages transferred to the low-voltage side of the transformer if a high-resistivity soil is considered, depending on load conditions and on flashover occurrence.
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