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turbine runner such that ω pump Τ pump ? ω turbine Τ turbine. Maximum efficiency occurs when the turbine speed ω turbine is approximately one-half of the pump speed ω pump. Ans.
2
11.5 What type of pump is shown in Fig. P11.5? How does it operate? Solution: This is a flexible-liner pump. Th
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Turbine
1)Speed : App.900rpm
2)Prony-Brake-Dynamometer
3)AC Generator : DC 24V
4)Tachometer : Digtal Type
3. Pump & Drive Motor
1)Head and flow rate : 20m x 230 Liter/min
2)Motor : AC220/380V겸용, 3 phase, 2.2kw
3)Pressure gauge : 0~6Kg/cm²
4)Rotor meter : 0~200 Liter/min (Orifice type)
4. Water Sum
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ge에서 시험한 풍력발전시스템의 규모는 [그림 13]에서 보여 준다.
Turbine
model
Power
[kW]
Hub
hight
[m]
Rotor
dia.
[m]
Power
control
No. of
bld.
Rotor
speed
Hub
type
Aero.
brake
type
Operation
date
Bonus 1000
1000
50
54
Stall
3
Fixed
Stiff
Full span
Sep. 96
Aeolus II
3000
92
80
Pitch
2
Variable
S
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speed controler ⑥ geared motor
⑦ specimen bottle ⑧ sampling pot
⑨ buffle plate ⑩ agitation tank
⑪ impeller (propeller type) ⑫ impeller (turbine type)
⑬ main body ⑭ impeller (plate type)
(2) 시약
소금 : 화학식 NaCl. 무색투명한 결정이나 백색결정성 분말을 이루는 나트륨과
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Speed Distribution for Wind Energy Utilization Purpose", Wind Engineering Vol. 3, No, 2, 1979.
G.J. Bowden et al, "The Weibull Function and Wind Power Statistics", Wind Engineering Vol. 7, No. 2, 1983. I. 서 론
II. 풍력발전과 풍력발전시스템의 개요
1. 풍력발전이란
2. 풍력발전시스
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