Small and micro hydropower plants - small hydro facilities. This part deals with energy production energy use of water resources and hydraulic systems with hydropower plants of low power (1 to 3000 kW). Low energy was developed in the world in recent decades, mainly because of the desire to avoid environmental damage, which is applied reservoirs of large hydroelectric power through the ability to provide power in remote and isolated areas, as well as through small capital expenditure in the construction of stations and fast return on investment ( within 5 years). Reservoirs can also be used for fisheries activities, and as a source of water supply. Modern stations are easy to design and fully automated, ie not requiring human presence during the operation. Electricity produced by them meets the requirements of ISO frequency and voltage, and the station can work offline, that is, outside edge mains power or area, and as part of the power supply. A full life of the station - at least 40 years (at least 5 years to repair). Objects not require low power of large reservoirs of appropriate flooding and enormous material damage. Power plants less than 30 MW are not subject to the relevant documents in the regulation of energy systems of general purpose and some state laws of heat and electric power operating modes and power equipment.
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