November 7th, 2014
In this guide, a design engineer has to advise his industrial customer who plans to connect a new induction motor to the power supply system. Using the permissible level of voltage fluctuations, his methodology is described.
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A company specialized in uninterruptible power supply systems developed and manufactured in 2006 a system comprising a 400kVA UPS unit.
The system was installed in a production facility manufacturing food packaging equipment and foil, located in northern Poland.Read full article
While power electronics is continuously superseding the traditional “hardware” solutions in electrical engineering, common mechanical contacts still remain important constituents of any electrical power distribution system. A survey of the types of switches, relays and contactors, their properties and areas of application will be given. Further, a detailed overview shall draw a picture of the impact caused by new electronic types of loads upon these conventional mechanical contacts.Read full article
The International Copper Association is pleased to announce the launch of “PROPHET II: The potential for global energy savings from high-efficiency distribution transformers.” This significant and strategically important report, prepared by Waide Strategic Efficiency Limited and N14 Energy Limited, is an update of the 2006 report of the same title, continuing the story and supplying much new information while retaining the original core material.Read full article
The energy losses of cables can be reduced by increasing the cross section of the copper conductor. A study by Egemin Consulting demonstrates that minimizing the Total Cost of Ownership (TCO) of a cable results in a cross section that is larger than that which current technical standards prescribe.Read full article
This Application Note outlines two methods to assess the viability of industrial processes powered by an onsite wind turbine. Both of the methods focus on whether an organization has the flexibility needed to gain maximum benefit from self-consumption of onsite wind power.Read full article
Understanding the efficiency of a PV system and the root cause of faults can contribute to the further development and implementation of PV systems worldwide.
The market for PV systems is rapidly and significantly expanding in an increasing number of countries. This strong market expansion requires the availability of and access to reliable information on the performance and sustainability of PV systems, to be shared with the various actors.Read full article
This course offers a foundation training on energy management. It is based primarily on the ISO 50001 standard. It is organised in 9 chapters:Read full article