Solar water heaters use natural sunlight to heat water which can be used for bathing, cooking as well as cleaning purposes. This system works on the thermosiphon principle and is designed to provide hot water without consuming expensive electricity. A typical solar water heater consists of an insulated water storage tank with a number of parallel evacuated glass tubes.
Cold water from a height flows down by gravity to the Evacuated Tube Collector (ETC) and, as the water passes through the tubes and heats up, it rises through convection to reach the storage tank again.
Benefits:
Zero Electricity
Low Maintenance Cost
24 Hrs Hot water
Long Operating Life
Environment Friendly
The term solar panel is used colloquially for a photo-voltaic (PV) module.
A solar panel is actually a collection of solar (or photovoltaic) cells, which can be used to generate electricity through the photovoltaic effect. These cells are arranged in a grid-like pattern on the surface of solar panels. Thus, it may also be described as a number of interconnected solar cells (typically 60 or 72 connected in series) encapsulated into a single, long-lasting, stable unit. Encapsulation is done to protect the solar cells from mechanical damage and for the module to sustain in the harsh environment. Most solar panels are made up using crystalline silicon solar cells. When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electric field in the cell, causing electricity to flow. Solar panels wear out extremely slow. In a year, their effectiveness decreases only about one to two percent (at times, even lesser).
Benefits :
Provides Clean, Renewable Energy
Gives You Freedom and Control Over Electricity
Reduces Electricity Bills
Low Maintenance Costs
Tax Benefits
Long Operating Life
On-grid or grid-tie solar 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 or micro-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 a feed-in-tariff (FIT) or credits for the energy you export.
An off-grid 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 throughout the year and have enough battery capacity to meet the home’s requirements, even in the depths of winter when there is generally much less sunlight.
PWM solar charge controllers are the standard type of charge controller available to solar shoppers. They are simpler than MPPT controllers, and thus generally less expensive. PWM controllers work by slowly reducing the amount of power going into your battery as it approaches capacity. When your battery is full, PWM controllers maintain a state of “trickle”, which means they supply a tiny amount of power constantly to keep the battery topped off.
MPPT solar charge controllers are a more expensive and complex charge controller option. They provide the same switch-like protection that a PWM controller does, and will reduce the power flowing to your home battery as it nears capacity. Unlike PWM controllers, MPPT charge controllers can pair non-matching voltages from panels and batteries.
Solar street lights are raised light sources which are powered by solar panels generally mounted on the lighting structure or integrated into the pole itself. The solar panels charge a rechargeable battery, which powers a fluorescent or LED lamp during the night. Modern designs use wireless technology and fuzzy control theory for battery management. The street lights using this technology can operate as a network with each light having the capability of performing the turning on and off of the network.
Solar battery also known as solar panel battery, solar power battery or solar battery storage. It refers to devices that store energy generated from solar panel for later use. Solar battery designed to connect with solar charger controller or solar inverter for power backup.
Pure sine wave inverters produce power which equals or better than the power in home. It uses sophisticated technology to protect even the most sensitive electronics. It can be used for digital microwaves, televisions, fridges, laptops and other electronic equipment. Pure Sine inverters can power just about any AC appliance without risk of damage.
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In an online UPS, the batteries are always connected to the inverter, so it isn’t necessary to have a power transfer switch. When a loss of power occurs, the rectifier just drops out of the circuit and the batteries keep the flow of power steady and unchanged. When the power is restored, the rectifier resumes carrying most of the load and also begins charging the batteries. However, the charging current may be limited to prevent the high-power rectifier from overheating the batteries and boiling off the electrolyte.
Offline UPS or Standby UPS offer the most basic level of power protection. When mains supply is present, the UPS output is supplied via a built-in EMI/RFI filter which provides the load with protection from spikes and transients by clamping peak voltage to pre-defined levels. When the mains supply fails or fluctuates outside of the UPS's operating window, a relay connects the load to the inverter output (resulting in a 4-8ms transfer time). In normal operation, with mains supply present, both output voltage and frequency will track the input voltage and frequency respectively.
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Line-interactive UPS systems provide both power conditioning and battery backup. This technology is particularly effective in areas where outages are rare, but power fluctuations are common. Line-interactive UPS systems support a wide range of input voltage fluctuations before switching to battery backup. Beyond battery backup, line-interactive UPS provides far better control over power fluctuations then offline systems. The critical advantage of line-interactive UPS is the voltage boost circuitry and the range of input voltage that that UPS accepts. The wider the range, the more total protection you will have.
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A Servo Stabilizer is a Servo motor-controlled stabilization system that performs optimum voltage supply using a Buck\Boost transformer booster that captures voltage fluctuations from input and regulates current to the correct output.
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The very best power protection comes from a special type of transformer known as a Constant Voltage Transformer (CVT). CVTs are durable and robust that some manufacturers offer warranties in excess of 10 years. In Constant Voltage Transformers the Input or Primary winding and Output or Secondary winding are physically separated from each other, this process is called as galvanic isolation and this ensures that there is no direct link between the input supply and output load.
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A tubular battery uses technology that seals the active material in polyester tubes called gauntlets, instead of pasting it on the surface of the plate. As a result, there's no shedding or corrosion, ensuring long battery life. Owing to their toughness and durability, tubular batteries can operate at extreme temperatures, and are used in high cyclic applications involving frequent and prolonged power outages.
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SMF (Sealed Maintenance Free) batteries also known as the Value Regulated Lead Acid (VRLA) batteries are the flat plate batteries that do not require topping-up and normally do not emit any fumes or gases on a continuous basis. They are completely sealed and therefore eliminate the risk of acid spillage during transportation. Due to their construction, it can be mounted in any orientation, and do not require constant maintenance. These are used for high end applications of standby power like UPS, Electric converter, Railway Communications, Security Systems etc.
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