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12.2008 / b
www.leroy-somer.com www.leroy-somer.com
100%
95%
90%
85%
80%0.5 1 2 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
DRIVE SOLUTIONSFOR SOLAR TRACKERS
4286 en -
A network of specialists at your service
ALGERIALEROY-SOMER International Division(+33) 5 45 64 45 36algeria@leroy-somer.com
AUSTRALIALEROY-SOMER PTY LTD(+61) 2 96 74 84 00australia@leroy-somer.com
AUSTRIALEROY-SOMER ELEKTROMOTOREN Gmbh(+43) 3 15 23 95 57austria@leroy-somer.com
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INDIALEROY-SOMER C/O EMERSON ELECTRIC CO.(+91) 22 66 94 27 11india@leroy-somer.com
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JAPANLEROY-SOMER DIVISIONEMERSON Japan Ltd.(+81) 3 5403 8572japan-tokyo@leroy-somer.com
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POLANDFZN MARBAISE LS(+48) 61 87 43 735poland@leroy-somer.com
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UNITED KINGDOMLEROY-SOMER LTD(+44) 20 86 10 60 25(+44) 1695 554 100uk-uxbridge@leroy-somer.comuk-skelmersdale@leroy-somer.com
USALEROY-SOMER POWER AND DRIVES(+1) 314 553 2683motorsanddrives-usa@leroy-somer.com
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VENEZUELALEROY SOMER C/O EMERSON ELECTRIC CA(+58) 212 203 06 84venezuela@leroy-somer.com
Modular inverter solutions from 70 kW to 1700 kW
Guaranteed performanceEnergy conversion systems designed to return a maximum amount of solar energy with up to 98% efficiency: - Maximum power point tracking (MPPT)- System with operation at 2 power levels, 20% and 100%
Modularity- Power adapted to requirements- Compact module, easy to handle- High availability, guaranteeing always in an operational state
Reliability and durability- Industrial electronic modules- Designed for a service life longer than 20 years
Power %
D.C. bus contactors
A.C. loop RFI filter
A.C line contactors
Low power (20%) inverter module
MV public mains supply340 V AC
High power (100%) inverter module
ADSL modem
Line chokeSine filter and fuses
Inverter modulesSM-Solar and SM-Ethernet options
D.C. loop RFI filterD.C. voltage peak limiter calibrated at 10 s.
06:00 8:00 10:00 10:00 14:00 16:00 18:00 20:00 22:00
7:00 9:00 11:00 13:00 15:00 17:00 19:00 21:00
102030405060708090
100
1.0-1.9
3.0-3.9
5.0-5.9
2.0-2.9
4.0-4.9
6.0-6.9
Zeni
th
Azimuth
kWh/m2/day
Tried and tested drive systems
Worm and wheel gearbox, low backlash
Synchronous motor
Planetary gearboxSafety brake motor
Control of the movement by electronic drive
Helical gearboxSafety brake motor
Gear reducerLow-voltage D.C. motor
50 years’ experience in guidance applications
Products designed to operate with precision in extreme environments: temperature variations, high relative humidity
levels, dust, etc.
Increased service life of the mechanical devices: bearings, gears, housings
High-efficiency motor and gearbox technology
Control and monitoring of the movement
Product modularity and customisation
International presence: manufacturing, sales, service
Depending on whereabouts in the world a PV (photovoltaic) system is instal-led, the number of hours of sunshine, and therefore kWh produced, differ in a ratio of 1 to 6.PV modules are mounted fixed on the frontage or inclined on the roof or on the ground.
The energy captured varies depending on the type of photovoltaic cell used (monocrystalline, polycrystalline or thin film) at a fixed aspect angle.
How can the productivity be increased to 40%? - Track the sun from sunrise to sunset- Optimise the tracking of both azimuth and zenith axes- Concentrate the solar radiation- Combine concentration and tracking
Advantages of the solar tracker:- Compensating for low amount of sunshine- Increasing the kWh produced- Reducing the return on investment time
38 industrial sites throughout the world
470 centres of expertise and service
Efficiency
Time
2-axis solar tracker1-axis solar trackerFixed panel
www.leroy-somer.com www.leroy-somer.com www.leroy-somer.com
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