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Selected Works

Associate Professor Sarath Perera

Allocation

Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

Harmonic Allocation Constant For Implementation Of As/Nzs 61000.3.6, D A. Robinson, Victor J. Gosbell, Sarath Perera Nov 2012

Harmonic Allocation Constant For Implementation Of As/Nzs 61000.3.6, D A. Robinson, Victor J. Gosbell, Sarath Perera

Associate Professor Sarath Perera

Allocation of equal harmonic emission rights to MV customers having the same maximum demand is a key concept in the new Australian harmonic standard AS/NZS 61000.3.6 [1]. Some difficulty can arise with the application of the standard when customers are spread out along a feeder with significantly different fault levels. One proposed method of overcoming this problem is to reduce the allocation as the square root of the fault level [2]. This method requires the calculation of an allocation constant that is applied to all customers connected to the same zone substation. This paper gives a methodology for calculating the …

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Harmonic Allocation To Aggregated Regions Within A Transmission Network, Timothy J. Browne, Victor J. Gosbell, Sarath Perera Nov 2012

Harmonic Allocation To Aggregated Regions Within A Transmission Network, Timothy J. Browne, Victor J. Gosbell, Sarath Perera

Associate Professor Sarath Perera

Utilising the standard AS/NZS61000.3.6 to carry out a harmonic allocation to a load in a transmission system requires detailed knowledge of the location and magnitude of every future load. Given that the size of the load at a bus in a transmission system could conceivably be from zero up to around thirty percent of the fault level, such knowledge is unlikely to be available with any degree of certainty. This paper proposes an allocation policy which reduces the effect of load uncertainty, by allocating harmonic emission levels to areas comprising buses which are electrically close. Possible techniques are demonstrated using …

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