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Solar Street Lighting System
The solar street lights work on the principle of the photovoltaic cell or solar cell. The solar cell converts solar energy to the electrical energy which is stored in the battery. The solar lamp draws the current from this battery and it requires no other wiring.
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ongrid solar power systems
Grid-tied systems are the most common type of solar PV system. Grid-tied systems are connected to the electrical grid, and allow residents of a building to use solar energy as well as electricity from the grid. Grid-tied systems do not need to produce 100% of the electricity demand for a home or business. When there is no demand for energy, the solar panels send excess electricity back out into the grid for use elsewhere. When a home or business is using energy, but the solar panels aren’t producing enough energy (at night, or on a stormy day), electricity from the grid supplements or replaces electricity from the panels. Owners of a grid-tied system complete a net metering agreement with their utility. This agreement allows utility customers to receive credit for the excess energy they generate, typically credited as a kilowatt-hour credit on the next month’s bill. Net metering policies and agreements are different for each utility. Living with a grid-tied solar PV system is no different than living with utility electricity, except that some or all of the electricity you use comes from the sun. Grid-tied systems do not provide protection from power outages. When the electrical grid fails, grid-tied systems will not continue to operate. This allows utility employees to fix the power lines safely without wasting time identifying solar energy systems that are still feeding electricity into the power lines.
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off grid solar power systems
It is possible to install a solar system that is independent of the electrical grid. This is called an off-grid system, and it requires that the solar panels are able to produce enough electricity to cover 100% of the energy needs of the building. Most homes have higher electricity demand in the evening or at night, so off-grid systems usually incorporate either a battery (to store energy produced during the day), a backup source of energy (like a generator), or both. Off-grid systems are more complex and less flexible than grid-tied systems.
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Earth Leakage Relay
SETTING RANGES : Current Model AVT-ELR-05A : 1A to 8A Model AVT-ELR-06A : 30mA to 300mA Delay Time : 0.3 to 3.0 secS Auxiliary Supply : 185-250 VACIndustrial equipment protection Suitable for low voltage distribution protection
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Earth Fault Relay
SETTING RANGES : Current Delay Time : 0.3 to 3.0 sec Auxiliary Supply : 185-250 VAC APPLICATION Feeder incoming protection Outgoing protection Busbar protection
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Battery Chargers
01.Input Voltage Range : Supply voltage should be 180V AC to 260V AC .Green LED is used for POWER ON indication 02.Short Circuit Protection : Our battery charger protects against short circuit, if battery polarity + and – get shorted, Charger and Battery will not get affected. 03.Battery Reverse Protection : If the battery polarity is reversed while connecting with battery charger ,The charger will not get damage. Red LED is used for BATTERY REVERSE indication. 04.Trickle Mode : If battery gets fully charged, it goes on trickle mode.Green LED is used for TRICKLE MODE indication.
Features : 1.Maintain constant voltage through out the line voltage variation 02.High Efficiency
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AVR
AVR is a solid state electronic device designed to develop and regulate voltage of an alternator. It constantly monitors alternator voltage, frequency and field current to maintain constant voltage. This avr is designed to sense both Phase to phase and Phase to Neutral voltage, enabling to work for both three phase or single phase brush less alternators. These AVR is compatible with any type of brush less alternator if used within its specified output power limits. Uniquely a relay less circuit of AVR requires only 5 V AC to build up voltage. AVR parameters can be adjusted precisely through 25 turns potentiometers. It has built in protections like Under frequency roll off ( UFRO) with LED indicator to protect winding burn out due to low frequency, stability setting to set load response time, over excitation current time delay trip with LED indicator and fuse protection.
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AUTOMATIC SOURCE CHANGEOVER AND CURRENT LIMITER
The ACCL allows unrestricted supply from mains. *When the main supply fails and stand by Generator supply is on. It connects the DG power to each consumer in sequence & starts monitoring its load. * The generator current allotment is software calibrated in Amps & sealed in each ACCL as per buyer’s specification & is available on all load circuits. * When ever the load current exceeds the allotment, power is automatically switched off for 81012 seconds and Switched On for 81012 seconds,this cycle will repeat untill the Load Current decrease set value(in amps).
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generator battery charger
Solar Water Pump System
A solar pump uses power derived from sunlight that is converted into electrical power by Solar Photo Voltaic (SPV) modules, which give higher power output in the afternoons and lower power output in the mornings and evenings. E.g. a standard 5 HP pump working on grid power diesel engine for, say 2.5 hours a day, may give the same water output in a day as a solar pump of 3 HP working for 8 hours using sunlight. This is an important fact to keep in mind for appropriate solar pump selection and application engineering. The most important parameters to select a solar pump are: how much daily water is needed, at what pump head, and at which location. The location is important because solar energy varies from region to region, and sizing of solar panels depends on the solar energy of a region
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