Aptus Utilities – Earthing Studies
Aurora are please to announce that they have been appointed by Aptus Utilities Ltd., to carry out a range of earthing studies to ENA 41-24 for several different sites. Aurora will carry out the design using the CDEGS earthing design suite, to assess the site for the Earth Potential Rise and associated touch and step […]
Edward Dewhurst – Earthing Studies
Aurora is please to announce that it has been appointed by Edward Dewhurst Ltd., to carry out a range of earthing studies to ENA 41-24 and BS EN 50522 for several different sites. Aurora will carry out the design using the CDEGS earthing design suite, to assess the site for the Earth Potential Rise and […]
New Projects – Windcare
Aurora is pleased to announce one of its new projects – Windcare. Aurora has been appointed by Windcare to carry out some additional studies for two new wind turbine projects they are developing. The first site is Bwlychgwynt farm and consists of a single 900kW EWT turbine. Aurora have been tasked with carrying out an […]
G5/4 Study & Harmonics
A G5/4 study (also called a G5.4 study) is shorthand for the name of a standard produced by the Electrical Networks Associate (ENA) called G5/4 ‘Planning Levels For Harmonic Voltage Distortion And The Connection Of Non-Linear Equipment To Transmission Systems And Distribution Networks In The United Kingdom’. In simple terms this means that the harmonic […]
P29 Study – Voltage Unbalance
So what is a P29 study? A P29 study is shorthand for the name of a standard produced by the Electrical Networks Associate (ENA) called P28 ‘Planning Limits For Voltage Unbalance’. This study is relativity uncommon and is occasionally asked for by DNOs, so it is worth understanding what it is all about. The aim […]
What is a P28 Study any why are they needed?
P28 Studies As the post title suggests, one of the common requests from DNO is for a ‘P28 study’, to assess the impact of disturbing loads on the network. The title ‘P28 study’ comes from the Electrical Networks Associate (ENA) standard P28 ‘Planning Limits For Voltage Fluctuations’. This rather innocent sounding study, can in fact […]
EMTP-RV – New Software
EMTP consultancy, Aurora is pleased to announce that it has recently invested in the EMTP-RV software simulation package produced by Powersys in France. This highly sophisticated electromagnetic analysis package complements our existing suite of software programs and allows us to carry out more sophisticated studies for transformer inrush, insulation coordination, transient damping, capacitor bank switching, […]
Gildemeister – Power System Studies
Aurora is pleased to announce that they have been appointed by Gildemeister Energy to carry out a series of power system studies for a new 3.2MW solar photovoltaic (PV) array at Wick Lane. Aurora will undertake a G5.4 stage 2 harmonic assessment using DigSilent, and a P28 transformer inrush / energisation study using PSCAD. Aurora […]
Aurora Power Consulting – New Blog
We have decided to start writing a new Aurora Power Consulting blog, which we hope may be of interest to our customers (new and existing). The aim of the blog will be to discuss at a high level, some of the technical issues surrounding power system studies and HV/LV design that may not be immediately […]