Confused about motor nameplate voltage? Have you ever observed the difference between power system voltage and motor nameplate voltage in North American region? One can get easily confused seeing that the nameplate voltage of the machine does not fit the Read more
Heavy duty trucks go electric thanks to Volvo Trucks Exciting news from Gothenburg, Sweden Volvo Trucks is paving the way for e-mobility of heavy duty trucks. As per company’s committment, the pre-sale of Volvo FMX Electric and FH Electric started Read more
Transformer bio-based insulating liquids Environmental considerations play increasingly important role for electric equipment. In electric drive systems they may affect the selection of the circuit breaker (in case it is gas insulated) or the selection of transformer type. In this Read more
Which one is your VFD hero? VFDs, together with their rotating partners (motors) perform lot of work behind the scene. As we already know, there are multiple VFD topologies available on the market. While they all fulfill the basic purpose, Read more
Comparison of arc resistant design solutions In our previous postsĀ regarding arc proof design [1, 2] we have discussed the danger and possible fatal impact of arc flash. We have listed the guiding standards and presented the most common solutions Read more
VFD purchase specification If you follow our blog regularly then you are aware of the few posts published by us that deal with VFD specifications [1, 2]. The last post on this topic [2] also triggered some discussion (which is Read more
Arc resistant design solutions In our introduction last time we have explained the danger of an electric arc flash for the personnel and the equipment. The arc reaches extremely high temperatures and releases pressure and sound waves into the surrouding. Read more
It is time to evaluate the energy and cost saving potential of VFD! We all read and hear it in the news daily now: The electricity and gas prices are going up sharply. Some people even talk about “energy crisis”. Read more
TGV high-speed train celebrates 40 years European high-speed champion Need for speed was a popular computer game when I was a young boy. When talking about high-speed champions in railway world TGV is the train that surely comes to our Read more
Arc resistant design:Introduction Personal safety stands on the top of agenda of many companies. When talking about medium voltage electric compartments then arc fault is one of the main concerns. Uncontrolled electric arc may have devastating impact on the personnel Read more