FAQ's
Power Protection Devices
OVCD is connected at before the equipment in use. It is plug n play device. IT works automatically. Incoming current will first pass through OVCD then into the equipment. OVCD continuously monitors the line voltage. Whenever the voltage is above or below the set voltage limits the OVCD simply cuts the voltage to the equipment thereby saving it from the line disturbance. It reacts within fraction of second to the disturbance. When the voltage returns to normal, the OVCD resumes the supply to the equipment with short power-on delay of 3 seconds (configurable). This feature is called the Smart Start. It prevents the initial harmful transient that may damage the Equipment.
OVCD will withstand the voltage even as high as 440 Volts in single phase. Most equipment would burn at this voltage. It is protection device, which safeguards against extreme high voltages .It however do not stabilize the voltage as in the case of other devices in the same category like Stabilizer, CVTs.
Power Solution is a comprehensive power protection device which acts as an insurance against power fluctuation that could damage your electrical appliances and electronic devices used in your homes and offices.
Power solution protects against high voltage, low voltage, surges and spikes. However what sets it apart from other protection devices is the ability to protect your equipement in case of neutral open condition. It can easily protect your equipment from voltage as high as 440 Volts in single phase.
During normal operations the SPD acts as an open circuit, only to maintain isolation between power terminals, when the surge occurs, SPD lowers its impedance in nano-seconds and acts a closed circuit. The surge current passed through SPD and thereby your equipment is safeguarded. After the surge occurrence, the SPD again acts as a open circuit.
Solar products
The two most common types of solar energy technology are photovoltaic (PV) cells and solar thermal collectors. PV cells contain a semiconductor material (typically silicon-based) which converts sunlight into direct-current (DC) electricity. An inverter converts this DC power to 230-volt 50 Hz AC power, which can then be connected to a home or building power supply. Solar thermal collectors absorb the sun thermal energy and use it to heat water or other fluids, which can be used for hot water applications or circulated through a home or building for space heating.
Generally, a Solar power plant consists of the following components:
- Solar Panels: For converting energy in Sun rays into Electrical energy (DC power)
- Solar inverter: For converting DC electricity into usable AC power (230V-50Hz)
- Batteries: To store electrical energy for use when Sun is not shining
- Mounting Structure: Holds the PV panels at particular inclination and direction for maximum efficiency
- Balance of System (BoS): Includes junction boxes, MCB, connectors, lightening protection etc.
As per current technology scenario, Solar energy can be optimally utilized during the day time. As seen in the graph above, for typical day time load (e.g. offices, institutions, workshops, etc.) power consumption peaks around the time when Sun energy is received the maximum (yellow area in graph). This scenario allows us to consume the Solar energy as it gets generated. So, the requirement to store energy in batteries gets reduced and results in substantial reduction in initial and running cost of solar power system. Solar energy is the perfect alternative to DG sets for daytime loads with upto 60% savings.
In bright sunlight, a square foot of a conventional photovoltaic panel will yield 10 watts of power. That's a helpful rule of thumb for calculating a rough estimate of how much area you might need. For example, a 1000 watt system may need 100 – 130 square feet of area, in clear South facing direction, depending on the type of PV modules used.
Solar energy creates electricity and heat and avoids pollution unlike conventional coal plants and nuclear plants. Using national average emission factors, every megawatt-hour of electricity generated through a solar PV panel avoids more than 1,300 lbs of carbon dioxide (CO2), more than 5 lbs of sulfur dioxide (SO2), and almost 2 lbs of nitrogen oxide (NOx), and it also avoids producing radioactive nuclear wastes.
India is densely populated and has high solar insolation, an ideal combination for using solar power in India. Due to its geo-physical location, India receives solar energy equivalent to nearly 5,000 trillion KWh/ year, which is far more than the total energy consumption of the country today. West UP region on an average has 300 to 330 sunny days in an year and is perfectly suited for Solar power generation. Solar energy is the perfect solution to tackle the power shortage issue in India. With ever reducing costs of solar technology, Solar power is fast becoming the ideal alternative to DG sets and is on path to Grid parity somewhere around 2017.
There are a couple of factors that go into whether or not solar is a good fit:
- Do you have daytime or night time load?.
- How many hours of power cut per day does your area receive?
- Are you running diesel generator for more than 3 hours a day?
- Does your roof get clear sunshine throughout the day?
- Do you have budget for upfront payment for solar solution?
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