32650 CAPACITY TESTING | LiFePO4 CYLINDRICAL CELLS
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TWO SOLAR POWER SYSTEM INSTALLATION
1. On-grid - also known as a grid-tie (or connected to Distribution Utility) solar power system
2. Off-grid - also known as a stand-alone power system which completely not connected from the Distribution Utility, like Meralco or other Electric Cooperatives.
All solar power systems work on the same basic principles. Solar panels first convert solar energy or sunlight into Direct Current power using what is known as the photovoltaic effect. Such DC power can then be stored in a battery or converted by a solar inverter into Alternating Current (AC) power which can be used to run home appliances and other Alternating Current (AC) devices.
The primary the role of the solar inverter is to convert the Direct Current power to Alternating Current in order to run home appliances and other Alternating Current (AC) devices . In a ‘string’ inverter system, the solar panels are linked together in series, and the Direct Current electricity is brought to the inverter which converts the Direct Current power to Alternating Current power.
Batteries used for solar energy storage are available in two main types, lead-acid and lithium-Ion phosphate or LIFEPO4 battery.
An on-grid or grid-tie solar power systems are by far the most common and widely used by homes and businesses. These systems do not need batteries and use either solar inverters and are connected to the public electricity grid. Any excess solar power that you generate is exported to the electricity grid and you usually get paid or credits for the energy exported thru NET METERING SYSTEM which shall be approved by the concerned Distribution Utility prior to achievement of ZERO BILLING status. However, an on-grid solar power systems are not able to function or generate electricity during a blackout due to safety reasons. Since blackouts usually occur when the electricity grid is damaged; If the solar inverter was still feeding electricity into a damaged grid it would risk the safety of the people repairing the fault/s in the network.
An off-grid solar power system is not connected to the electricity grid and therefore requires battery storage. Off-grid solar systems must be designed appropriately so that they will generate enough power and have enough battery capacity to meet the home’s requirements or the household’s load requirements
The high cost of batteries and off-grid inverters means off-grid systems are much more expensive than on-grid systems.
The battery bank. In an off-grid system there is no public electricity grid. Once solar power is used by the appliances in your property, any excess power will be sent to your battery bank. Once the battery is full it will stop receiving power from the solar system. When your solar system is not working (night time or cloudy days), your appliances will draw power from the batteries.
Ren Eleponio
CPAelectrician
SOLIS INVERTER
ONE SOLAR TOROIDAL INVERTER
ONE SOLAR
SRNE
AUTOMATIC TRANSFER SWITCH
SNAT INVERTER