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The new energy law has been liberating stepwise market with electrical energy in the Czech Republic since 2001. This market has been liberated completely since 2006. The expansion of electrical appliances with nonlinear characteristic in distribution networks LV (such as televisions computers, copiers, compact lights) affects strong debasement of quality parameters of the supplied electric power....
The Power Quality Monitoring becomes more and more important because of the liberalisation of the energy markets. Electrical energy becomes product and customers want quality product for their money. There are a lot of international (European) and national standars connected with power quality. IEC 61000-4-30 very precisely defines how should be required power quality parameters evaluated and also...
Street lighting belongs between nonpayment social services, it impacts a public order, a transport safety and a tourist attraction of towns and villages. The operation and maintenance optimalization of the street lighting belongs to a supporting programme of a public useful services development. One of the possibilities to achieve energy savings at an operation of a street lighting is a regulation...
Rozprzestrzenianie się urządzeń z nieliniową charakterystyką w dystrybucyjnych sieciach niskiego napięcia (nn) ( takich jak telewizory, komputery, żarówki kompaktowe, itp.) powoduje degradację jakości energii elektrycznej. Do oceny aktualnego stanu i do projektu potrzebnych pomiarów została wykonana seria pomiarów w sieci dystrybucyjnej, które były zogniskowane przeważnie na złożonej ocenie kilku...
The paper deals with the methodology of the calculation of "trade" interval in case of power offered by an independent power producer (IPP) to power distributor or to wholesaler of power. The left side of the trade interval is defined as a minimum power price required by the producer to reach the adequate rate of return from the investment. The minimum price is calculated from equity of...
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