"THE CURRENT R & D ACTIVITIES RELATED TO WIND ENERGY IN LIBYA AND CSERS EFFORTS"
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1 (CSERS) Centre for Solar Energy Research and Studies Seminar on : "THE CURRENT R & D ACTIVITIES RELATED TO WIND ENERGY IN LIBYA AND CSERS EFFORTS" By : H. I. ABUSANNUGA & O.F. BADRI hashem_ebrahim@yahoo.com, omarfb10@yahoo.com Date: Mar. 2010
2 1- ABOUT LIBYA Area 1.76 million square kilometers. Coast line on the Mediterranean 2000Km. Populations 6 million. Exports are : Oil & Natural gas
3 2- CSERS IN LIBYA The Center for Solar Energy Research and Studies (CSERS) is the main renewable energy R&D organization in Libya. CSERS was founded in CSERS is tasked with undertaking research activities and applied studies, and promoting the utilization of renewable energy.
4 3- INTRODUCTION Wind Energy: advantages Free of charge. Non pollutant. Non-hazardous.
5 Wind Turbines: types & components H.A.W.T WINDMILL Multi-blade W.T. HAWT
6 V.A.W.T SAVONIUS H-DARRIEUS DARRIEUS
7 Wind Turbine Components
8 Power in the Wind 1 3 ( ) η η G E P = V AC E 2 P. ρ.....
9 4- CSERS POTENTIALS Wind Turbine (LMW 1003). Small size. Application : battery charging
10 LMW 1003 : technical data Output power Wind speed: Cut in Rated 1100 w 2.5m/sec 7m/sec Generator : Type Rated output P.M.G. low speed, 12-pole 600w Cut off Rotor blades: Number Diameter 60m/sec 3 3.0m Maximum output Voltage Frequency 1100w V DC 0-75Hz Speed at rated output Maximum speed 320rpm 775rpm Out put control Drive Voltage regulator + rectifier none Speed control Inclined hinged vane Yaw system Passive aligned by tail vane Hub type Blade material rigid Fibre-glass reinforced polyester Braking mechanism Hub height Electrical brake 17m Airfoil NACA4418
11 Wind Turbine (w/g 910 (marine)). Small size. Application : battery charging. w/g 910 : technical data Output power Cut in speed Rated speed Diameter propeller 50watt 1.8m/sec 8m/sec 90cm
12 Wind Tunnel (8420) Its basically design as test equipment for calibration of wind sensors. Open-circuit / Close-test section.
13 WT (8420): technical data Meas. range m/s According Reynolds number: 0.65 x x 106 (at pa=1013 hpa and t=20 C) Degree of turbulence: (measured in tunnel cross section wit h resolution 0.5 Hz) at v= 3 m/s: ± 0.4 % at v=10 m/s: ± 0.4 % at v=40 m/s: ± 0.3 % Drive power: approx. 40 kw Test section area 0.6 x m
14 Wind Energy Converter Testing Station The definition face be ended The main objective of the test station is to test and evaluate small and medium sized WECS with respect to mechanical, electrical and environmental characteristics, including the quantity and the quality of energy production for WECS.
15 The test station will satisfy the tests in the follow flow chat. Mechanical parameters Environmental parameters Electrical parameters - RPM of Rotor. - Shaft mechanical torque. - Aerodynamic loads on rotor blades and tower. - Pitch actuation system - Rotor shaft pending - Rotor shaft torsion - Loads on yaw system. - Tower bending moment. - Tower torsion. -Vibrations on tower, blades and rotor shaft. - Mechanical power. - Stresses and fatigues on rotor blades. -Noize. -EMI. Meteorological parameters - Wind speed. - Wind direction. - Air pressure. - Air temperature. - Humidity. - Rain. -Power factor. -Electrical Power. -Current. -Voltage. -Frequency. -Harmonics. -Flicker. -Grid protection.
16 Second Part Presentation This part shows brief idea about the wind energy projects by the CSERS as: "Wind Atlas in Libya", " Site Assessment of Wind Farm in Libya" and "Collect and Analyze of Wind Data at the CSERS Site". Also, the second part of presentation shows the future projects in Libya.
17 Wind Energy projects in the (CSERS) wind Atlas in Libya. In this project were collect the wind data available from 16 meteorological station in Libya at 10 meters height, for ten years and these information shown in the form of tables and graphs, this wind atlas will be very important for wind energy projects and planning profitable wind farms in Libya. TUNISIA Naloot Zwara Tripoli Sirt Bengazi Shahat Darna Tobrog Gdames Gdabia Hoon Jaloo El Jagbob Sabha ALGERIA El Kofra NIGER CHAD
18 The table and the graphs shown below represent the average wind speed at three different levels, In general the average wind speed in Libya is between ( 4 m/s to 8 m/s ). Station Latitude Longitude Above see level (m) Average wind speed at (10 meter) (m/s) Average wind speed at (50 meter) (m/s) Average wind speed at (100 meter) (m/s) Zwara 32⁰53 12⁰ Sorman 32⁰45 12⁰ Tripoli airport 32⁰40 13⁰ Sirt 31⁰12 16⁰ Gdabia 30⁰43 20⁰ Bnena 32⁰05 20⁰ Darna 32⁰47 22⁰ Tobrog 32⁰06 23⁰ Shahat 32⁰49 21⁰ Gdames 30⁰08 30⁰ Naloot 31⁰52 10⁰ Sabha 27⁰01 14⁰ Hoon 29⁰08 15⁰ Jaloo 29⁰02 21⁰ El Kofra 24⁰13 23⁰ El Jagbob 29⁰45 24⁰
19 Daily wind speed average and power available for Darna m Period ( hours ) Monthly wind speed average and power available for Darna m Period (months) Real Frequency Distribution for Darna Wind speed period Wind Rose for Darna m
20 Create Area for Wind Energy Applications and Test Systems at (CSERS) Site. This project aims to create an area for wind applications and testing, this area containing two wind turbines ( Type L.M.W 1003 and Marine w/g 910 ), the metrological station to test these turbines and medium wind turbine will be installed in the future, in order to make it as a reference for tests and for the benefit of researchers and students in the studies and projects related to wind energy.
21 Site Assessment Project to Create a Wind Farm in Libya. this project aims to assess the available capacity and energy produced from the wind in the specific location by installing meteorological station of 50 meters length to provide all the basic data to determine the type and number of wind energy conversion systems can be installed also find the optimal distribution to obtain maximum benefit possible taken into account the environmental and economic aspects to create a wind farm in Libya, and the meteorological station will be installed at Abo Rshada zone near Gerian city. ( the pictures below shown the installation at Zwara city).
22 Collect and Analyze of Wind Data at the ( CSERS ) Site Project. This project consist for collect and analyze the wind data recorded and processing these data by (Excel) program and convert the results into graphs represent ( the total daily pattern of wind speed for the months of the year, the average wind speed and average maximum wind speed, monthly and annually wind speed average, The monthly and annually wind rose for the year, the standard deviation, degree of turbulence, shape and scale factors, real frequency distribution, Idealized wind histogram_weibull distribution, real cumulative distribution, cumulative weibull distribution, finally the annual capacity of wind turbine type LMW 1003 which is installed in (CSERS) site..
23 The Results The table and the graph shown below is the total daily pattern of wind speed for the months of the year Month 0:00 3:00 6:00 9:00 12:00 15:00 18:00 21: Average wind speed Wind speed (m/s) :00 04:48 09:36 14:24 19:12 00:00 Period (hour)
24 The average wind speed and average maximum wind speed for three months in the year 2009.
25 Monthly and Annually Wind Speed Average in From the table we can see the maximum average wind speed was in May (4.2 m/s), and the annual average wind speed was (3.4 m/s) for December 3.7 November 2.5 October 3.2 September 3.3 August 3.2 July 2.9 June 3.8 May 4.2 اApril 3.9 March 4 February 3.1 January 3.5 Month Average Wind Speed Wind speed (m/s) Period (month)
26 Wind Rose in We note from the figure that most of the wind comes from the north-east to the south-west for Tajura city
27 Real Frequency Distribution and Weibull Distribution. v (m/s) f(v)% V(weibull) f(v)weibull practical distribution w eibull distribution
28 Real Cumulative Distribution and Cumulative Weibull Distribution. v (m/s) F(v)% v (m/s) F(V)%PRACTICAL "F(v)" "F(v)practical"
29 The annual Capacity of Wind Turbine Type L.M.W 1003 Which is Installed in (CSERD) Site. wind speed bin (m/sec) Hours per year Power output (W) annual energy (WH) P(W) power curve V (m/sec) WH Total Wind speed (m/s)
30 This figure illustrate the initial indications of the wind speeds in Libya by (CUBE).
31 Future Projects in Libya There are many Projects Proposed in wind energy field in Libya in the next years, Especially in agriculture as water pumping by wind turbines also planning many wind farms, The Renewable Energy Authority of Libya is responsible to implementation of these projects to make the wind energy into the main stream of the national energy supply system to contribution of the electricity demand by the year Darna Wind Farm (60 MW) This project consists of 70 turbines, the capacity of each turbine is [ 850 KW], Total cost 175 mil LYD Tarhona Wind Farm (50 MW) This project consists of 50 turbines, the capacity of each turbine is [ 1000 KW], Total cost 145 mil LYD El Magron Wind Farm (120 MW) This project consists of 120 turbines, the capacity of each turbine is [ 1000 KW]. Total cost 320 mil LYD Mesilata Wind Farm (50 MW) This project consists of 50 turbines, the capacity of each turbine is [ 1000 KW], Total cost 145 mil LYD
32 conclusion There is a good potentiality for wind energy which can be used in different applications in Libya. Number of projects are progressing in the wind energy field. Libya can be considered as a place with high potentiality for renewable energy production. There is a national plan has been adopted to rise the share of renewable energy to 10% by the year 2020.
33 Thank you for your attention
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