Influence zones and disturbance levels in LV and MV distribution network in result of supply of industrial welder lines equipped with power conditioner

The quality of electric energy depends not only on aspects concerning its generation, but also on its use, distribution and delivery. Each of the mentioned areas has a significant influence on power quality and as well on customers´ satisfaction. It is obvious, that expectations of different users regarding the power quality are different and depend on requirements of equipment used by them. Usually bad quality of the delivered electric energy cause problems connected with equipment malfunctions or difficulties with supply voltage variations.