2018
DOI: 10.1049/iet-gtd.2017.1825
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Evaluation of controlled energisation of an unloaded power transformer for minimising the level of inrush current and transient voltage distortion using PIR‐CBs

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Cited by 16 publications
(3 citation statements)
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“…Long transmission cables are energised in these applications and, often, shunt reactors are also installed [53]. CB PIRs are also sometimes used in AC transmission systems when energizing unloaded power transformers [4,54,55].…”
Section: Circuit Breaker-pirsmentioning
confidence: 99%
“…Long transmission cables are energised in these applications and, often, shunt reactors are also installed [53]. CB PIRs are also sometimes used in AC transmission systems when energizing unloaded power transformers [4,54,55].…”
Section: Circuit Breaker-pirsmentioning
confidence: 99%
“…Transformer energization at random instant creates unbalances in current and grid voltage due to inrush phenomena. Attaining steady state may take a number of seconds to some minutes based on X/R ratio of the system [11]. There are several factors affecting the magnitude of inrush current but level of residual flux and point of voltage wave at the time of energization are prominent one [12].…”
Section: A Transformer Energization and De-energizationmentioning
confidence: 99%
“…Recently, controlled switching is more popular to be used in switching capacitor banks [7, 8]. The significant advantages of controlled switching of capacitor banks are in the limitation of inrush current amplitudes, reduction of switching overvoltage, protection of power equipment from dielectric failures and reduction of the maintenance frequency of VCBs [9]. The limitation of inrush currents during capacitive making operations is achieved by precise controlment of the switching instant according to the voltage between individual poles of VCB [10].…”
Section: Introductionmentioning
confidence: 99%