SOLAR ENERGY BASIC CONCEPT :
Solar power generation is a clean energy system that generates electricity from sunlight that falls on the earth. It can be used just about anywhere-in large buildings, in factories, and in residential homes. Nowadays we must think on a worldwide scale about such issues as dealing with global warming and reducing emissions of carbon dioxide. Solar energy, which has few resource limitations and minimal adverse environmental impact, will surely become more and more essential to our lives in the years ahead. Solar Power Generation Systems begin with the solar module. Solar modules capture solar energy and generate direct current (DC) electricity. Inverters (power conditioners) convert DC into AC (alternating current) to run many common appliances and equipment .
A Solar inverter or PV inverter is a type of electrical inverter that is made to change the direct current (DC) electricity from a photovoltaic array into alternating current (AC).
The solar inverter is a critical component in a solar energy system. It performs the conversion of the variable DC output of the Photovoltaic (PV) module(s) into a clean sinusoidal 50- or 60 Hz AC current that is then applied directly to the commercial electrical grid or to a local, off-grid electrical network.
These types of Solar Inverters are used only for rural areas, where there is no electricity at all. The same above concept is used, but with more panels and bigger external charge controllers are supplied to handle more currents. As the systems are mainly depending on charging from solar panels.
At the heart of the inverter is a real-time microcontroller. The controller executes the very precise algorithms required to invert the DC voltage generated by the solar module into AC. This controller is programmed to perform the control loops necessary for all the power management functions necessary including DC/DC and DC/AC. The controller also maximizes the power output from the PV through complex algorithms called maximum power point tracking (MPPT). The PV maximum output power is dependent on the operating conditions and varies from moment to moment due to temperature, shading, soilage, cloud cover, and time of day so tracking and adjusting for this maximum power point is a continuous process. For systems with battery energy storage, the controller can control the charging as well as switch over to battery power once the sun sets or cloud cover reduces the PV output power. The controller contains advanced peripherals like high precision PWM outputs and ADCs for implementing control loops. The ADC measures variables, such as the PV output voltage and current, and then adjusts the DC/DC or DC/AC converter by changing the PWM duty cycle .
The number of panels depends on various backup requirements and also the customers paying capacities. Ideally in the case of only solar systems, we have to give the same wattage of panel inputs, as to what the load is. In case of hybrid systems we can reduce the panels to half or 1/4th of the total power required (as the charging is also done through main electricity line ( Apart from solar panels).
SOLAR HYBRID INVERTER:
A purely solar power solution for general lighting load is very expensive as far as initial investment is concerned. Also, due to frequent power failure, a regular battery backup UPS / INVERTER barely gets time to charge the battery from mains. The Hybrid Version combines solar energy and mains utility to give an excellent solution by providing the best of both worlds.
Our hybrid solar inverters are designed with extreme flexibility so that you can add panels as and when required in the future to increase the percentage sharing of solar power.
You are assured of uninterrupted supply, even during frequent and long power failures. More importantly, you get to use Green Power and in turn help maintain a pollution-free environment. The Solar Inverter comes with the choice of charging of batteries by both solar as well as mains utility (Hybrid Solar Inverter), with automatic change over from mains to battery and from battery to mains like a regular inverter. It employs an inverter circuitry, two-level battery charging from mains, Solar Charge Controller ie. MPPT and fast change over mechanism during power failure and resumption.
- DSP Based design with absolute and stable Sine Wave Output Voltage and Frequency.
- State-of-the-art MOSFET based PWM technology.
- Battery high protection.
- Thermal protection.
- Quite operation of AC Motors / Fans.
- Deep Discharge Battery Charging.
- Solid State Solar Battery Charging.
- Battery Low and High Protection.
- Intelligent Battery Monitoring.
- Save Power when mains and Solar both are present
- A solar cell (also called photovoltaic cell or photoelectric cell) is a solid state device that converts the energy of sunlight directly into electricity by the photovoltaic effect. Assemblies of cells are used to make solar modules, also known as solar panels. The energy generated from these solar modules, referred to as solar power, is an example of solar energy.
- Photovoltaic is the field of technology and research related to the practical application of photovoltaic cells in producing electricity from light, though it is often used specifically to refer to the generation of electricity from sunlight.
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Products Offered :
Industrial Servo Voltage Stabilizers SVS, Automatic Voltage Regulators / Stabilizers, IGBT based Online UPS (Single/Three Phase), Sine Wave Online Ups (Single / Three Phase), Automatic and Manual Voltage Stabilizers/Regulators, Constant Voltage Transformers – CVT, Ferro Resonant Transformers, Isolation Transformers, Auto Transformers, Step Up Down Transformers, Line Interactive – Offline UPS, Ups with External Battery, Power Inverters, DC – AC Converters, Telecom Transformers, Sine Wave Inverters, Solar Products, Dimmerstat / Variable Test Panel, Variable Auto Transformers (Variacs)