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Basic dataStandard ID: GB/T 36550-2018 (GB/T36550-2018)Description (Translated English): Basic terminology of pumped storage power station Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: P55 Classification of International Standard: 27.140 Word Count Estimation: 34,313 Date of Issue: 2018-07-13 Date of Implementation: 2019-02-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 36550-2018: Basic terminology of pumped storage power station---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Basic terminology of pumped storage power station ICS 27.140 P55 National Standards of People's Republic of China Basic terminology of pumped storage power station Published on.2018-07-13 Implementation of.2019-02-01 State market supervision and administration China National Standardization Administration issued ContentForeword I 1 Scope 1 2 power station 1 3 hydraulic building 1 4 Hydraulic machinery 5 5 metal structure 13 6 Electrical equipment 14 7 Commissioning and testing 17 8 running 18 Index 21ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard is proposed and managed by the China Electricity Council. This standard was drafted. State Grid Xinyuan Holdings Co., Ltd., China Southern Power Grid Co., Ltd., peaking FM power generation company, State Grid New Source Holdings Co., Ltd. Technology Center, Henan Guowang Baoquan Pumped Storage Co., Ltd., East China Tongbai Pumped Storage Power Generation Co., Ltd., China Dongtian Huangping Pumped Storage Co., Ltd., State Grid Xinyuan Holdings Co., Ltd. Zhejiang Minjiang Pumped Storage Branch, Hubei Bailian River Pumped Storage Energy Co., Ltd. The main drafters of this standard. Lin Mingshan, Gao Sujie, Chang Yuhong, Wang Yong, Liu Dianhai, Song Xufeng, Fang Xinxin, Li Dinglin, Jiang Feng, Li Yunlong, Zhou Pan, Dong Yangwei, Li Gang, Shang Dong, Sun Yuzhe, Zhao Xianxue, Dai Jianjun, Liu Penglong, Zheng Shuqing, Zeng Guangzhi, Yi Chuanbao, Li Yuyan, Wang Wei, Du Yi, Zhang Liang, Chen Tongfa, Wang Qingran, Gong Yu, Li Dehua, Xiao Gongyuan, He Yongquan, Wang Liangsheng. Basic terminology of pumped storage power station1 ScopeThis standard specifies the pumped storage power station, hydraulic structures, hydraulic machinery, metal structures, electrical equipment, commissioning and testing and operation. The basic terminology of the face. This standard applies to pumped storage power stations.2 power station2.1 Pumped storage power station pumpedstoragepowerstation Hydropower stations capable of pumping and accumulating energy to the reservoir are generally used for peak shaving, frequency modulation, phase modulation and accident standby of the power grid. 2.2 Hybrid pumped storage power station mixedpumpedstoragepowerstation Hydropower stations that have both pumped and runoff power generation functions. 2.3 Daily regulation dailyregulation To undertake the unbalanced adjustment of power supply and demand during the day, the cycle of the water level change of the upper and lower reservoirs is one day. 2.4 Weekly regulation weekly regulation To undertake the unbalanced adjustment of power supply and demand during the week, the cycle of water level changes in the upper and lower reservoirs is one week. 2.5 Integrated cycle efficiency syntheticcycleefficiency The ratio between the amount of electricity generated by pumped storage power stations and the amount of pumped water in a given period of time. 2.6 Power storage capacity powerstorage To meet the tasks of peaking, valley filling, frequency modulation, phase modulation, emergency, etc. in the design hours of the power station on the day (week), and the preparation Use the storage capacity to adjust the storage capacity.3 Hydraulic buildings3.1 Water delivery system 3.1.1 Water system building waterconveyancesystemstructure Incoming water for power generation and pumping, tunnels for water and tail water, pipelines, and water flow control buildings. Including the upper reservoir inlet/outlet, cited Water tunnel, pressure steel pipe, tail water tunnel, lower reservoir inlet/outlet, gate well, surge chamber (tower), stern tube and other buildings. 3.1.2 Upper and lower reservoir inlet/outlet upperandlowerreservoirinlet/outlet The engineering facilities at the interface between the upper and lower reservoirs and the water delivery system include hydraulic structures, hoists, gates, and trash racks. With guidance and Controls the flow of water in and out. The types are sideways, vertical and other types. 3.1.3 Side inlet/outlet lateralinlet/outlet The water inlet and outlet of the water channel connected to the reservoir in the horizontal direction can be divided into three types. the gate shaft type, the shore tower type and the bank slope type. 3.1.4 Gate shaft inlet/outlet gateshaftinlet/outlet The gate is arranged in the mountain shaft, and the flow path between the entrance and the gate well is the side inlet/outlet of the tunnel section. 3.1.5 Shore tower inlet/outlet bank-towerinlet/outlet The back slope is arranged, and the gate is arranged in the tower structure, which can double as the side inlet/outlet of the bank slope retaining structure. 3.1.6 Bank slope inlet/outlet slopetypeinlet/outlet The gate door slot (including the trash rack groove) abuts the side inlet/outlet of the inclined bank slope. 3.1.7 Shaft inlet/outlet shaftinlet/outlet The water conveyance channel adopts an inlet/outlet that is vertically connected to the bottom of the reservoir. 3.1.8 Barrier debrisbarrier A hydraulic structure that is placed in front of the inlet/outlet to block sediment. 3.1.9 Diversion tunnel A tunnel between the inlet/outlet of the upper reservoir and the plant for transporting water. 3.1.10 Tailwater tunnel tailracetunnel Located between the inlet/outlet of the lower reservoir and the underground powerhouse, it is used to transport the water flow tunnel. 3.1.11 Bifurcatedpipe The pipe section at the branch of the pipe. 3.1.12 Steel pipe drainage pipe drainagepipeofsteelpenstock A drain pipe that is placed outside the pressure pipe to reduce the external water pressure. 3.1.13 Surge chamber surgechamber A water storage building installed in the water delivery system to reduce the water hammer pressure in the pressure channel and improve the operating conditions of the unit. 3.1.14 Water diversion chamber headracesurgechamber Set in the surge tank in the diversion tunnel. 3.1.15 Tail water surge chamber tailracesurgechamber Set in the surge tank in the tail water tunnel. 3.1.16 Pressure steel pipe drainage gallery drainagegaleyofsteelpenstock In order to eliminate the external water pressure of the pressure pipe or the seepage of the surrounding rock, reduce the external water pressure on the steel lining, and arrange the row above the pressure steel pipe. Water corridor. 3.2 Reservoir 3.2.1 Upper reservoir upperreservoir A hydraulic structure that stores water upstream of a power station. 3.2.2 Lower reservoir lowerreservoir A hydraulic structure that stores water downstream of a power station. 3.2.3 Drainage drainage gallery drainagegaleryofreservoirbase Located around the bottom of the reservoir basin, collecting and discharging the permeable foundation of the dam foundation or the basin basin to reduce the pressure of the ring corridor. 3.2.4 Open spillway openspilway The inlet control section is open and the drain stream has a free surface spillway. 3.2.5 Dam spillway over-damspilway The spillway is located in whole or in part on the dam of the reinforced concrete face rockfill dam, and the water flow is drawn through the sump to the river far away from the dam toe. The open spillway of the road. 3.2.6 Diversion venting hole diversionanddischargetunnel It is used to guide the flow of river water downstream of the foundation pit during the construction period, and the excess water volume of the effluent reservoir during the operation period of the power station (more than the sum of the effective storage capacity in the upper and lower reservoirs) The amount of water) and the flood to ensure the safety of the tunnel. 3.2.7 Emptying hole (tube) emptyingtunnel(pipe) A tunnel (tube) built for maintenance, sand removal or other purposes for venting water stock water. 3.2.8 Barrier dam blockingsiltdam Arranged at the end of the upper (lower) reservoir, used to block the water retaining structures in the natural runoff. 3.3 Underground powerhouse caverns 3.3.1 Factory powerhouse The installation of the unit and its ancillary equipment, the electrical equipment auxiliary equipment of the power station, and the installation, maintenance, operation and management services The buildings are mostly underground, followed by vertical, semi-underground or ground. 3.3.2 Underground powerhouse undergroundpowerhouse A hydropower plant built in a cave below the ground. 3.3.3 Semi-underground powerhouse semi-undergroundpowerhouse It is built in a pit or shaft below the ground, and the top is exposed to the hydropower station above the ground surface. 3.3.4 Main plant mainpowerhouse Installed pumped storage units and their auxiliary equipment, buildings for power generation operation and installation and maintenance work. 3.3.5 Sub-factory auxiliarypowerhouse Installation of power distribution, control, water machine assistance, communications and other equipment and buildings for maintenance, testing, living, management, etc. 3.3.6 Outlet lineline A channel for installing high-voltage cables or gas-insulated metal-enclosed transmission lines (GILs) in the form of inclined wells and shafts. 3.3.7 Rock wall crane beam rock-boltcranegirder The reinforced concrete beam is anchored on the rock platform excavated by the rock wall of the underground powerhouse by grouting long anchor rod, which is supported by the beam, the anchor rod and the surrounding rock. Load and structure of the structure. 3.3.8 Generator motor layer generator-motorstorey; generator-motorfloor The space in the main building above the floor between the mainframes. 3.3.9 Busbar layer busbarstorey; busbarfloor The main building is located below the floor of the generator motor layer above the pump turbine layer. 3.3.10 Pump turbine layer pump-turbinestorey; pump-turbinefloor The space in the main building is below the floor of the busbar floor above the volute. 3.3.11 Spiral shell spiralcasingstorey;spiralcasingfloor The main building is located below the floor of the pump turbine floor above the elevation of the top end of the draft tube. 3.3.12 Main transformer hole maintransformertunnel Install the cavern of the main transformer equipment. 3.3.13 Busbar hole cabletunnel A cavity connecting the busbar between the generator motor unit and the main transformer and its generator voltage device is installed. 3.3.14 Into the factory traffic hole accesstunnel Connect the ground and underground powerhouses to transport the equipment and equipment to and from the tunnel. 3.3.15 Ventilation tunnel ventilationtunnel A tunnel for ventilation at the ends of both sides of the underground cavern. 3.3.16 Self-flow drainage hole self-flowdrainagetunnel A gallery for self-flowing and draining water collecting wells and overhauling the water outlet of the drainage gallery. 3.3.17 Overhaul the drainage gallery repairdrainagegaley It is located under the volute to install the gallery to repair the drainage pipe. 3.3.18 Leakage collection well leakagesump Located at the bottom of the installation site or at the end of the tailgate hole, it is used to collect the vertical hoistway of the leaking water collection gallery and drain it out of the plant. 3.3.19 Leakage collection gallery leakagecatchmentgaley It is located under the overhaul drainage corridor to collect the leakage of surrounding rock of underground caverns, domestic water drainage, drainage of main and auxiliary equipment of the unit. The fire-fighting drainage and the accident of the power station are drained to the gallery of the leaking collection well. 3.3.20 Tail gate tailracegatetunnel An underground building with a tail water accident gate and its auxiliary equipment. 3.3.21 Hydraulic structure prototype observation hydraulicstructureprototypeobservation Instrument monitoring, inspection and analysis and evaluation of hydraulic structures and their environmental quantities.4 Hydraulic machinery4.1 Technical parameters noun 4.1.1 Power station maximum hair head/head maximumgrossheadofplant When the power station is in normal operation, the upper reservoir is in the normal water storage level, and the maximum water level elevation difference occurs when the lower reservoir is at the lowest water storage level. Symbol of quantity. Hgmax Unit. m 4.1.2 Power station minimum hair head/head minimumgrossheadofplant When the power station is in normal operation, the upper reservoir is at the lowest water level, and the minimum water level elevation difference occurs when the lower reservoir is in the normal water storage level. Symbol of quantity. Hgmin Unit. m 4.1.3 Turbine head The effective head of the pump turbine as the operating condition of the turbine is the total unit energy difference of the high and low pressure base sections of the turbine. Symbol of quantity. Ht Unit. m 4.1.4 Maximum head maximumhead When the pump turbine is used as the turbine operating condition, the maximum hair head of the power station is subtracted from the water after all the head loss of the water delivery system during no-load operation. Turbine head. Symbol of quantity. Htmax Unit. m 4.1.5 Minimum head minimumhead When the pump turbine is used as the turbine operating condition, the minimum hair head of the power station is subtracted from all the pump turbines of the same water channel of the power station. The turbine head after all the head loss of the water delivery system is allowed at maximum power. Symbol of quantity. Htmin Unit. m 4.1.6 Design head designhead When the pump turbine is operated as a turbine, the optimal efficiency point of the turbine corresponds to the head. Symbol of quantity. Htd Unit. m 4.1.7 Pump head pumphead The unit energy difference between the high and low pressure reference sections of the pump turbine during operation of the pump. Symbol of quantity. Hp Unit. m 4.1.8 Pump maximum head maximumpumphead When the power station is at the maximum gross lift, all the pump turbines in the same water channel are operated in the cooperative relationship at the rated speed. Head. Symbol of quantity. Hpmax Unit. m 4.1.9 Traffic 4.1.9.1 Unit flow unitdischarge At 1m head/lift, the flow rate of the pump turbine with a nominal diameter of 1m during various operating conditions. Symbol of quantity. Q11 4.1.9.2 Turbine flow turbinedischarge The volume of water flowing through the pump turbine per unit time during operation of the pump turbine. Symbol of quantity. Qt Unit. m3/s 4.1.9.3 Turbine rated flow turbinerateddischarge The flow rate required for the pump turbine to output the rated power at rated head and rated speed during turbine operating conditions. Symbol of quantity. Qtr Unit. m3/s 4.1.9.4 Turbine no-load discharge no-loaddischargeofturbine The pump turbine is used as the flow rate required for zero output power at rated speed when the turbine is operating. Symbol of quantity. Qt0 Unit. m3/s 4.1.9.5 Pump flow pumpdischarge The volume of water flowing through the pump turbine per unit time during operation of the pump turbine. Symbol of quantity. Qp Unit. m3/s 4.1.9.6 Pump optimal flow pumpoptimaldischarge The flow rate corresponding to the optimum efficiency point of the pump turbine when operating in the pump operating condition. Symbol of quantity. Qpopt Unit. m3/s 4.1.9.7 Pump minimum flow pumpminimumdischarge The flow rate of the pump head turbine under the maximum head when the pump is running. Symbol of quantity. Qpmin Unit. m3/s 4.1.9.8 Pump maximum flow pumpmaximumdischarge The pump turbine is used for the flow at the minimum head when the pump is running. Symbol of quantity. Qpmax Unit. m3/s 4.1.10 Speed 4.1.10.1 Unit speed unitspeed Under the 1m head/lift, the speed of the runner with a nominal diameter of 1m is the operating speed of the pump turbine under various working conditions. Symbol of quantity. n11 4.1.10.2 Rated speed ratedspeed The pump turbine is selected according to the design of the steady state synchronous speed. Symbol of quantity. nr Unit. r/min 4.1.10.3 Turbine operating conditions than speed turbospecificspeed When the pump turbine is in the working condition of the turbine, the water head is 1m and the output power is 1kW. Symbol of quantity. ns Unit. m·kW The current turbine operating conditions (meters of kilowatts) are calculated as follows. Ns= n× Pt (Ht) In the formula. n --- Pump turbine speed, in revolutions per minute (r/min); Pt---turbine power in kilowatts (kW); Ht---turbine head, the unit is meters (m). 4.1.10.4 Rated specific speed ratedspecificspeed The specific speed calculated by the pump turbine in the turbine and calculated according to the rated working condition. Symbol of quantity. ns 4.1.10.5 Optimal specific speed optimumspecificspeed The specific speed calculated by the pump turbine in the working condition of the turbine and calculated according to the optimal working condition. Symbol of quantity. nsopt 4.1.10.6 Pump specific speed pumpspecificspeed When the pump turbine is in the working condition of the pump, the head is 1m and the flow rate is 1m3/s. Symbol of quantity. nq Unit. m·m3/s The current defined turbine operating conditions are calculated as follows. Nq= n× Qp (Hp) In the formula. n --- Pump turbine speed, in revolutions per minute (r/min); Qp---turbine power in cubic meters per second (m3/s); Hp---Pump lift, in meters (m). 4.1.10.7 Pump optimal ratio speed pumpoptimumspecificspeed When the pump turbine is running in the pump condition, the highest efficiency point corresponds to the specific speed. Symbol of quantity. nqopt 4.1.10.8 Runaway speed runawayspeed The steady-state speed value that the pump turbine may reach when the shaft end input power is zero under specified hydraulic conditions and specified vane opening. Symbol of quantity. nrun Unit. r/min 4.1.11 Power and torque 4.1.11.1 Unit power unitpower In all kinds of working conditions, the pump turbine of the runner with a nominal diameter of 1m acts on the runner under the condition of 1m head/lift. Output/input power at the shaft connection. Symbol of quantity. P11 4.1.11.2 Unit torque unittorque In all kinds of working conditions, the pump turbine of the runner with a nominal diameter of 1m acts on the runner under the condition of 1m head/lift. Torque at the shaft connection. Symbol of quantity. T11 4.1.11.3 Direction of rotation Specifies the direction of rotation of the hydraulic unit as seen from the shaft end of the motor. 4.1.12 Efficiency 4.1.12.1 Hydraulic efficiency Hydraulic efficiency of the turbine. The ratio of the output power of the turbine to the hydraulic power of the turbine in the turbine operating conditions. Ηth=Ptm/Pth Pump hydraulic efficiency. The ratio of the pump hydraulic power to the input power of the runner when the pump turbine is in the working condition of the pump. Ηph=Pph/Ppm Symbol of quantity. ηth/ηph 4.1.12.2 Mechanical efficiency Turbine mechanical efficiency. The ratio of turbine power to its output power of the turbine when the turbine is operating under turbine conditions. Ηtm=Pt/Ptm Pump mechanical efficiency. The ratio of the input power of ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 36550-2018_English be delivered?Answer: Upon your order, we will start to translate GB/T 36550-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 36550-2018_English with my colleagues?Answer: Yes. 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