On site trials of the new SuperTAPP N+ AVC relay - a step towards an active network

Gillie, Mary; Hiscock, Jonathan; Creighton, Alan

doi:10.1049/ic:20080446

Cited by 3 publications

(5 citation statements)

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“…By maintaining this balance wide‐area control prevents voltage violations by a further 11.5% load increase compared with local control. This could be an ideal application for a technology such as SuperTAPP [11] control.…”

Section: Wide‐area Control Resultsmentioning

confidence: 99%

“…Cost functions have been applied to low‐voltage networks to realise similar optimisation results, such as in [9, 10]. Commercial products, such as SuperTAPP n+ [11], are also available to extend visibility when operating OLTC transformers. Another type of wide‐area control is the angle constraint method which can be used to protect transmission corridors, such as in [12].…”

Section: Introductionmentioning

confidence: 99%

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Modelling optimisation and protection outcomes from distributed assets controlled to reduce a PMU based multi‐objective cost function

Brogan

Best

Morrow

et al. 2018

J. eng.

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Section: Wide‐area Control Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Modelling optimisation and protection outcomes from distributed assets controlled to reduce a PMU based multi‐objective cost function

Brogan

Best

Morrow

et al. 2018

J. eng.

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“…The ratio was programmed at the beginning of the trial and has not been altered since. At the start of the trial, the correlation between measured and estimated generation was good [2]. During the trial period, however, a series of network reconfigurations have occurred causing disproportionate changes in load between the feeder with generation and those without.…”

Section: Errors In Generation Estimationmentioning

confidence: 92%

“…The estimate of generator output (I g ) is made using the ratio of the load on the feeders with no generation (I 2 ) to the load on the feeders with generation (I 1 ) [2]. The required measurements are the voltage (V) and current (I tl ) at the load side of the transformer and a supplementary measurement of the current on feeders with generation (I f ).…”

Section: Estimation Of Generationmentioning

confidence: 99%

Increasing voltage headroom for the connection of distributed generation: site trials of the SuperTapp n+ AVC relay

Roberts

Hiscock²,

Creighton³

et al. 2009

IET Conference Publications

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A common limiting factor in the connection of a generator to a distribution network is the control of the network voltage within the required statutory limits under all network operating conditions. The SuperTAPP n+, manufactured by Fundamentals Limited, is a unique voltage control relay that calculates the most appropriate transformer target voltage by estimating the output of embedded generators and adding it to that being supplied by the transformer(s) to give the 'true' load. The estimation is based on the load share between feeders with connected generation and those without. All the required measurements are made locally (within the substation) and there is no reliance on communications. The paper evaluates the relay's ability to estimate the output of embedded generators during a series of substantial group load changes. It also describes how standard network analysis tools can be used to determine the maximum generator output at a particular location dependent upon the voltage control relay used and appraises the increase in voltage headroom afforded when the SuperTAPP n+ is considered.

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“…In [37] the AVR, in addition to transformer secondary voltage and current measurements by the AVC, it is measuring the current in the specific feeder where the distributed generator is connected and then estimates in real time the load, the generator power injection, and the voltage at the DG connection point; if it necessary, the advanced regulator will adjust the tap position at the primary substation transformer.…”

Section: ) Advanced Voltage Regulatorsmentioning

confidence: 99%

A review of active distribution networks enabling technologies

Hidalgo

Abbey

Joós

2010

IEEE PES General Meeting

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High levels of distributed generation have been installed in power systems and even a greater amount is expected to be deployed in the near future, with a large percentage likely to come from renewable energy sources. As such, Distribution System Operators (DNOs) will need to change their old "business as usual" passive approach, to one that adopts integration of control and communication technologies, together with emerging distribution network technologies, as a means of accommodating new generation in an optimal and economical manner. This paper presents a review of some of the impacts associated with the integration of distributed generation, together with some active distribution networks enabling technologies, intended to deal with the aforementioned problems. In particular, the present review focuses on technologies that are in advanced stages of Research and Development, or are even at the trial stage or are commercially available. However, further analyses are required in order to develop cheaper and more secure means to the increasing Distributed Generation connections.

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On site trials of the new SuperTAPP N+ AVC relay - a step towards an active network

Cited by 3 publications

References 1 publication

Modelling optimisation and protection outcomes from distributed assets controlled to reduce a PMU based multi‐objective cost function

Modelling optimisation and protection outcomes from distributed assets controlled to reduce a PMU based multi‐objective cost function

Increasing voltage headroom for the connection of distributed generation: site trials of the SuperTapp n+ AVC relay

A review of active distribution networks enabling technologies

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