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The course will be based over 5 days, 3 in the workshop and two days in the study room, and on completion it will enable you to carry out G59/3-3 Testing in front of a DNO witness.

Before you decide to book onto our G59/3-3 Test Engineer Training programme why not have a look at the feedback forms, from the guys who have attended one of our courses. Click Here to view the feedback forms.

The new G59/3-3 engineering recommendations will be in use by early 2018. We have now completely restructured the course to incorporate all of the new parameters and guidelines, which have changed from G59/3-2. This will enable all candidates that qualify through our Test Engineer Course, to be ready to test under the supervision of all DNO witness’s using the parameters from the new G59/3-3 recommendations.

The aim of this training programme is to test and commission any system which falls under G59/3-2 engineering recommendations. I.E Any (SSEG) small scale embedded generator that is rated at over 16 amps per phase.
We can take any competent electrician into the world of advanced testing procedures, we do this in such a way that you will become competent, to stand in front of any DNO witness and produce the test parameters that they demand.
To enable us to do this we have developed a bespoke G59/3-3 Test Engineer Training Course to enable you to commission any system that is using a G59/3-3 Protection Relay Panel. This training can also be used to add an additional income stream to your business as the demand for G59/3-3 test engineers is constantly growing since these tests are required for all generation systems including, PV, Hydro, Wind, Generator and CHP Etc.

And now with the latest changes to ROCOF coming into action the demand for test engineers, who can carry out these upgrades, will be larger than it has ever been in the 10 Years we have been involved in relay testing.
You will be studying and training on the relays using these new ROCOF settings, that will be coming on line later in the year, you should really read the information shown on our ROCOF Changes page by clicking here

These changes may even result in over 40,000 sites being revisited to have the latest changes carried out, this is a massive opportunity for engineers, as there are just not enough engineers in the Country, to carry out that number of test’s.

You cannot get this training anywhere else in the UK so take full advantage and give yourself the leading edge in the industry. Please see below for full course information.

The G59/3-3 Training Programme is broken down into three modules as follows: –
First Module is a theory lecture supported by comprehensive course literature and operated in a free, flowing forum.

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” We have several live testing panels in our workshop and can test up to 6 different relays in live situations, we also have a test machine for each trainee “

” The new lecture room is both comfortable and has great light. We now have ergonomic chairs so you can sit comfortably”

Second Module is both theory and some practical training. This module will be theory covering the more advanced areas of testing; you must fully understand what the DNO are asking you to produce during any witnessing, after all they will know what they require. During this module time will be spent with a practical look at the Protection Relay Panels and the test equipment.

This will then allow candidates to start to get to know how the panels work with the aid of different types of relays, this time is for practise with both the operating of the tester and how the relays are set up to the requirements of G59/3-3.
We actively encourage students to work as a team, and the flow of questions and answers between students and the lecturer are part of the learning process.
Third Module will require several hours of intensive training with the instructor. This will be a classroom based module run on a contained structured basis. And will be moving into more advanced areas of study including harmonics and power factor control.

Each module will be finalised with a formal examination and each stage that is passed will be supported by a certificate issued to the candidate by name. Upon successful completion of all four stages, the candidate will then be issued with their final certification as a competent Commissioning Engineer. The training programme will show due diligence of training and understanding of the G59/3-3 process.
These records will be retained by A Circuit Ltd, to ensure that an audit trail of the paperwork is retained for any future inspection.
The following gives a synopsis of what is included in the modules :

Areas to be discussed in modules :
•    Design and specification of medium scale G59/3-3 grid connected PV Systems
•    Protection requirements
•    Distribution Network Operator (DNO) liaison process
•    DNO notification and paperwork
•    System testing procedures (theory)
•    Commissioning and grid connection
•    Examination
•    Certificate Issued upon successful completion of examination
•    Proving competency in testing and commissioning of G59/3-3
•    Communication with the DNO regarding witnessing
•    Rules and regulations in, regards to OFGEM in relation to the DNO’s
•    Advanced information on Galvanic Corrosion and Galvanic Separation
•    How we avoid Galvanic Reactions
•    Understanding of Harmonics
•    Discussing spurious excursions from the limits set by the DNO
•    Advanced discussions on Vector Shift and ROCOF
•    Discussing VARS
•    Power Factor
•    Vector Shift
•    Sine Waves
•    Voltage Tripping
•    Discussing Compliant Inverters
•    Familiarisation of the relays
•    Familiarisation of the Testing Meter
•    Examination
•    Certificate Issued upon successful completion of examination

Modules based on testing procedures

These training periods with the lecturer, will be conducted in a controlled classroom environment. They will consist of the following protection relays and equipment.
•    T&R DVS3 Relay Test Meter
•    T&R DVS3 Step Up Transformer
•    Various G59/3-3- Panel’s
•    Woodward MFR11 Protection Relay
•    Comap Mains Pro Protection Relay
•    Megacon KCG598 Protection Relay
•    Woodward MFR12 Protection Relay
•    Comap Intellipro Protection Relay
•    Deep Sea DSEP100 Relay
•    G59/3-3 live testing is taught to candidate to ensure that they are compliant with DNO Officer Requirements for on-site testing and commissioning.
•    Loss of mains through vector shift or rocof (ROCOF is now the most important protection)
•    Over and under frequency
•    Over and under voltage

The aim of this training programme is to offer the candidate intense electrical training,
to confidently drive and operate five different relays through the G59/3-3 Panel and Relay Test Meter. This will not only give an understanding of the relays but also intense training of how to work and operate the T&R DVS3 Mark 2 Relay Test Machine with confidence.

Thank you for taking the time to read this information, we hope it has been helpful to you we do realise there maybe more questions you would like answering. To do so please use our Contact Us Page.