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Electrical Tester Magazine - Issue 001 2019

ET Mag Issue 1 V01 web 1

  • Integration of EVs with the electric grid
  • Geek Challenge 2
  • Motor insulation test voltages
  • Lesser-known facts about TTR testing that are affecting your results
  • DC testing of vacuum integrity in MV switchgear
  • Monitoring TT low-voltage distribution systems
  • Professional development
  • A kit for earth testing

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HV Cable Diagnostics …a Reality at Last!

Cable Diagnostics Paper 1

…AVO NZ proudly delivers this long-sought capability

HV Cable Assets constitute in many EDB’s and private networks one of the largest asset groups by replacement value. In some of the larger EDB’s this may represent as much as $1.5 to $2 billion. Alarmingly, and at odds with almost all other asset classes managed by such networks, almost nothing is known about the asset condition of each individual cable. Effective HV cable asset management is seriously fraught by this situation. With the parallel scenario of above-ground infrastructure management challenges now painfully troubling the Industry, the risks posed by not knowing the condition of HV cable assets is now a very pressing problem, given the age profile of such assets and the uncertain dynamic of asset aging modelling.

Better Business: How The Pros Save Money & Time

AVO June Better Business

Owning your own electrical contracting business is worlds away from being an employee: the hands on work may look the same, but behind the scenes… well, there's a good reason it's behind the scenes.

Almost everyone is an employee before they are a boss. People who become business owners often do so because they love their profession and want more control; the action of running a business is an unfortunate consequence.

If the world were honest, business owners would tell you that running a company is like being a firefighter: racing around putting out fires. There is no solution to that problem because it's not a problem, it's the job description. 

How can you make your workday easier? Tighten up your business practices by staying organised and minimising distractions so you can put those fires out properly.

Take note of these tips, they will make your day as a contractor so much easier. You'll save money, stress less and find more time to enjoy your hobbies and family.

DFR: The New Standard in Transformer Testing

DFR blog banner

We all know the single most effective way to prevent power failures and shortened equipment lifespan is by keeping moisture to a minimum, along with heat and oxygen. It's fair to say that most equipment failure and subsequent losses (time, resources, etc) could be mitigated, through routine insulation testing. 

When it comes to improving testing standards, the process is often long and expensive. Because of this, many industry players focus on improving test and measure equipment, which means we have very advanced tools that can often be let down by outdated regulations.

It also means when we do see updates to international standards, it's a very good thing and often welcome. One example is the adoption of DFR (Dielectric Frequency Testing) over traditional PF (Power Factor) and DF (Dissipation Factor), over 25 years after it was first introduced.

Getting To Know Electric Vehicles: Charging | Connector Modes

Charging Electric Vehicles

As environmental awareness drives technology to new heights, the electricity industry is seeing its fair share of the disruption. Electric Vehicles are just one of the rising technologies that we need to adopt, yet it is one of the most pressing. For the purposes of this blog, when we say EV we mean a fully electric vehicle, not a hybrid of any sort.

Over the next few months we'll look at the different aspects of EVs, starting with the first one most of us will come across: Charging.