HYBRID POWER SYSTEMS
Introduction:
Electrical energy needs for several remote applications area unit overlarge to permit the efficient use of complete or autonomous PV systems. In these cases, it's going to prove a lot of possible to mixmany differing kinds of power sources to make what's called a "hybrid" system. To date, PV has been effectively combined with alternative forms of power generators like wind, hydro, electricity, petroleum-fueled and even element. the choice method for hybrid power supply varieties at a given web site} will embody a mix of the many factors together with site topography, seasonal availableness of energy sources, price of supply implementation, price of energy storage and delivery, total web site energy needs, etc.
• Hybrid power systems use native natural resources to supply power.
• Village hybrid power systems will aim size from tiny social unit systems (100 Wh/day) to onessupply a full space (10’s MWh/day).
• They mix several technologies to supply reliable power that's tailored to the native resources and community.
• Potential elements include: PV, wind, micro-hydro, river-run hydro, biomass, batteries and standardgenerators.
CONFIGURATION OF HYBRID SYSTEM:
Figure shows the essential configuration of hybrid system mentioned during this study. The hybrid system was consisted of geartrain, main-motor (EM1), sub- motor (EM2), engine, power controller and battery. it absolutely was supposed that a double-motor system was ready for the driving systemmentioned during this study. At first, acceleration was power-assisted by was applied solely by main motor once the driving speed was low, whereas the corporation by 2 motors was usually achieved to drive the system.
If the SOC (state of charge) of battery was attenuated below the particular threshold, the battery was charged by sub-motor. This operation was priority to over alternative actions. Figure two shows thechanged configuration of hybrid system projected during this study.
In the changed system, CVT was used to stay constant revolution numbers of the sub-motor once the sub-motor contributed to help the system
PETROLEUM-FUELED ENGINE GENERATORS(GENSETS):
Petroleum-fueled gensets (operating unendingly in several cases) area unit presently the foremostcommon technique of supply power at sites remote from the utility grid like villages, lodges, resorts, cottages and a spread of commercial sites together with telecommunications, mining and workcamps, and military and alternative government operated locations. though gensets area unitcomparatively cheap in initial price, they're not cheap to work. prices for fuel and maintenance willincrease exponentially once these desires should be met in a very remote location. Environmental factors like noise, carbon compound emissions, transport and storage of fuel should even be thought of.
Territories, Canada, 63° North Latitude; elements shown include: generator (120/240 V), battery (deep cycle industrial rated @ ± ten kWh capacity), DC to AC complete electrical converter (2500 W @ one hundred twenty V output), miscellaneous safety + management instrumentality together with PV array disconnect, PV control/regulator, automatic generator start/-stop management, DC/AC system metering etc.; -Components not shown: PV array (800 W peak)
Introduction:
Electrical energy needs for several remote applications area unit overlarge to permit the efficient use of complete or autonomous PV systems. In these cases, it's going to prove a lot of possible to mixmany differing kinds of power sources to make what's called a "hybrid" system. To date, PV has been effectively combined with alternative forms of power generators like wind, hydro, electricity, petroleum-fueled and even element. the choice method for hybrid power supply varieties at a given web site} will embody a mix of the many factors together with site topography, seasonal availableness of energy sources, price of supply implementation, price of energy storage and delivery, total web site energy needs, etc.
• Hybrid power systems use native natural resources to supply power.
• Village hybrid power systems will aim size from tiny social unit systems (100 Wh/day) to onessupply a full space (10’s MWh/day).
• They mix several technologies to supply reliable power that's tailored to the native resources and community.
• Potential elements include: PV, wind, micro-hydro, river-run hydro, biomass, batteries and standardgenerators.
CONFIGURATION OF HYBRID SYSTEM:
Figure shows the essential configuration of hybrid system mentioned during this study. The hybrid system was consisted of geartrain, main-motor (EM1), sub- motor (EM2), engine, power controller and battery. it absolutely was supposed that a double-motor system was ready for the driving systemmentioned during this study. At first, acceleration was power-assisted by was applied solely by main motor once the driving speed was low, whereas the corporation by 2 motors was usually achieved to drive the system.
If the SOC (state of charge) of battery was attenuated below the particular threshold, the battery was charged by sub-motor. This operation was priority to over alternative actions. Figure two shows thechanged configuration of hybrid system projected during this study.
In the changed system, CVT was used to stay constant revolution numbers of the sub-motor once the sub-motor contributed to help the system
Fig Schematic
view of double motor hybrid system with CVT
Petroleum-fueled gensets (operating unendingly in several cases) area unit presently the foremostcommon technique of supply power at sites remote from the utility grid like villages, lodges, resorts, cottages and a spread of commercial sites together with telecommunications, mining and workcamps, and military and alternative government operated locations. though gensets area unitcomparatively cheap in initial price, they're not cheap to work. prices for fuel and maintenance willincrease exponentially once these desires should be met in a very remote location. Environmental factors like noise, carbon compound emissions, transport and storage of fuel should even be thought of.
Figure Hybrid PV/Generator System Example
Figure Genset fuel efficiency vs. capacity
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