Hi everyone, it’s Steven Mill again :) After the Megger vs Doble article published on July 2d, here is another article.
Accurately measuring the insulation of an electrical equipment is essential to ensure the operation of the system and to comply with security standards as well.
Therefore, as discussed previously in the Megger vs Doble article, the Doble measurement instrument is the ideal to perform regularly maintenance insulation tests on any transformer, circuit breaker, switch and motors.
In this article, we will examine the basics to understand how to use this instrument.
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New article / essay by Muhammad, one of our dear senior electrical engineers. With more than 30 years of experience, he sometimes spoils us with great and original articles just like this one. 
Light is so essential in our live, we can’t live without. Light affects everything on earth including plants, animals and also humans. We need light to grow plants, generate electricity (solar energy), for medical uses and for our living (in home, work & etc…) which is called lighting. 
Partial discharges (PD) are intermittent low intensity electric arcs which are not visible and that take place inside electrical equipments. 
