PQ ENGINEERING – Your reliable full-service provider for power quality


Power Quality

In recent years, the term power quality has become synonymous with the endeavor to analyze the electrical power supply within complex network structures, to identify problem areas and to remedy them with suitable solutions. Forward-looking, detailed simulations support the planning of expansion or new construction projects. Power Quality also stands for the efficient use of electrical energy resources and thus offers significant savings potential in many cases.

In times of just-in-time production and optimum capacity utilization as a central economic factor, trouble-free, efficient networks are a basis for success. In addition, sensitive electronic components are now used in almost every sector.

Energy suppliers are required to provide a consistently high quality of electrical voltage. However, consumers cause network repercussions that can have a negative impact on this quality. Reverse effects also occur within the company, which can influence the power quality and cause disturbances. Particularly powerful consumers (e.g. machines, induction furnaces and production lines) or an accumulation of devices (e.g. computer networks) are often responsible for this. As the complexity of a network increases, it becomes increasingly difficult to identify the culprits and optimize the network voltage.

Whether maglev trains in China, business towers in Dubai or automotive manufacturing in the USA: the global export of high technology means that the topic of power quality is also gaining international relevance as a prerequisite for the installation of machinery and equipment on site.

Power Quality


From engineering office to full-service provider

For more than 45 years, we have been a reliable service provider for customers in the energy supply and industrial sectors as well as in transportation, plant engineering and mechanical engineering. In the last 25 years, we have developed from an engineering office for electrical and energy technology into a full-service provider in the field of power quality.

What company founder Frank Nosswitz still had to fathom with single-phase measuring instruments and paper recorders at the beginning of the 1980s is now done by an extensive pool of state-of-the-art power analyzers. Together with modern simulation software, we are thus able to thoroughly analyze and document any existing or planned power supply network.

With a team of specialists and modern know-how, we carry out network analyses worldwide and plan and install solutions to optimize the electrical power supply on site.

Partnerships with internationally active power quality companies make us part of the global power quality community.

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