turbine flow meter for hydraulic oil

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1. Help translate into English, dont use a translator, there are too many mistakes, thank you

Hydropower station buildingHydropower station is generating using water resources, is water, place a complex of machine, electricity. Among them in order to achieve the hydroelectric power, is used to control the flow of buildings called hydropower station buildings. This mainly discuss the layout, hydropower diversion system structure design and hydraulic calculation; Hydropower plant layout design and hub of the structure characteristics.The basic development mode and hydropower decorate a formη by N = 9.81 QH knowable, to power must flow and head, the key is to form a head.Take full advantage of the river "s water resources of hydropower station, the first to make, downstream formed certain gap, constitute power head. So for the river water hydropower development, according to the different ways of centralized head into dam type, diversion type and hybrid three basic forms.Pumped-storage power station and the tides of hydropower station is an important type using.The way -- formed head hydropower development mode.A, dam type hydropower stationIn river canyon place dammed rivers, in front of the dam harmony water, the dam site, form concentrated gap, this development way as the dam type development. In reservoir upstream dam site of the led take, through the workshop in hydropower station turbine generating tail water, after which leads to t he river downstream, upstream and downstream water level difference is obtained that the head hydropower. With the centralized head hydropower dam called dam type hydropower station.(a) hydropower dam type characteristic(1) the head hydropower dam type depends on the dam is hi

gh. At present the biggest head hydropower dam type does not exceed the correlation between 300m.(2) dam type of hydropower station is larger, the power station quoted flow water use, scale is fully. (because the reservoir formation DAMS, upstream, can be used to adjust flow) in the world at present more than two 000MW installed capacity of large scale hydropower station is mostly dam type hydropower station. Besides dam type the comprehensive utilization of hydropower reservoir with high benefit, but at the same time satisfy the flood control, power generation, and water demand bringing.(3) hydropower dam type, attentions investment. Reason: engineering with large size, caused by the large range of reservoir, migrants flooded.Application: slower, flow channel slope, and a large DAMS built libraries conditions.(2) hydropower dam type of form1. The riverbed type power station (power in river now any)- general built in the middle ZongPo gentle river channel, to avoid massive river flooded low dam or sluice gate, built.For large and medium-sized: head: -- 25 meters below, small: 8 ~ 10 meters below.-- plant and block dam built on the riverbed side-by-side, common retaining water, reason workshop also have sliding stability problem; - building height depends on the discretion of the head.-- quote large flow, head low.-- mainly includes: block DAMS, xiang-jia-ba dam, workshops, lock, the fishway etc.2. Type of hydropower station dam at dam toe staion (power)-- when head is bigger, workshop itself can not withstand the water thrust, will plant moved to dam by retaining water after the dam.- general dam type hydropower station built on the upper-middle river.-- is larger, the capacity of the regulation performance.- such as c

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