charge controller Articles
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Design simulation and experimental evaluation of a three-phase controlled capacitor charging type inverter
This paper presents the design, simulation and experimental verification of a new three-phase pulse width modulated inverter. The inverter works on the principle of controlled capacitor charging, where a capacitor that is connected across the load is charged or discharged in a controlled manner to synthesise a desired waveform. The input to the inverter being a voltage source, an inductor is used ...
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Analysis and design of controlled capacitor charging type power frequency inverter
This paper presents the performance of the capacitor charging type inverters. The inverter uses the voltage and current feedback and produces a desired voltage at the output by suitably charging/discharging a capacitor. An inductor is connected in series to limit the charging/discharging current. Both single and three phase inverters are considered. A small signal analysis is presented to ...
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A new three-phase ZCS pulse width modulated inverter
A novel three-phase inverter is investigated in this paper. All inverters are, in a sense, a waveform synthesiser where the DC at the input is converted to a desired type of waveform at the output. This paper reports the performance of a tracking controller to synthesise the sinusoidal output. Capacitors are charged/discharged in a controlled manner to track any desired waveform with a finite ...
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Novel regulated DC/DC and DC/AC power converters
Power sources with a desired voltage profiles, are required in many applications including renewable energy. Although in most cases, a sinusoidal waveform of specified amplitude and frequency is of interest, other types of voltage profiles, such as square, trapezoidal, triangular, etc., may also be required in amplifiers, shakers, mechatronics, etc., applications. In this paper, a capacitor ...
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Solar powered dosing cube
WES Ltd has developed a solar powered version of its popular and recently improved dosing CUBE concept. Based around 24V DC versions of the Alldos DDI range of digital dosing pumps, the system provides all of the usual advantages of the dosing CUBE with the added benefit of being able to accurately dose chemicals in locations where no power supply is available and provide further mobility ...
By WES Limited
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Exergy analysis and environmental impact assessment of a photovoltaic-hydrogen production system
In this study, exergy analysis and environmental impact assessment of a Photovoltaic (PV)-hydrogen production system and its components are carried out. Actual data measured in the system are employed for analysis purposes. Daily hydrogen production amount from solar energy through water electrolysis is 4.43 kg. The average system exergy efficiency is determined to be 3.18%. It is found that the ...
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Case study: Foundry melt department upgrades
Challenge For over 40 years, Dura-Bar has been recognized as the industry leader in producing continuous cast iron. In order to meet their increased demand from customers, Dura-Bar embarked on upgrading their furnace / melt system with the latest technology, designed to achieve greater throughput and melt efficiency while utilizing less energy and labor. The system would include two new furnaces ...
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Historical district heritage in UAE went green with full energy solution from Metsolar - Case Study
An area of 11000 square feet is being renovated in Heritage Majlis historical district with an aim to transform this area into the leading culture and heritage centre in the region, focusing on trade, crafts and the pearling industry. So far 150 buildings where successfully renovated and the whole area is filled with innovation in order to adapt to the environment. As for lighting solution ...
By Metsolar
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Solar Lighting Basics
How Does Solar LIghting Work? Dawn: The voltage from the solar panel raises and gets higher than it was during the night. When a certain voltage threshold is reached the controller will detect this and turn off the light. The battery will then being to charge itself from the discharge that occurred when it was powering the light. 4 Night time: The voltage from the solar panel is lower than ...
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University of California San Diego San Diego, California
“The benefits of this type of sweeping project are far-reaching and long-lasting, and Borrego is proud to take part in this monumental effort by installing a solar energy system that will ensure the consistent production of renewable energy for years to come.” Aaron Hall, CEO of Borrego Solar Systems, Inc. Unique Feature: The Solar Trees™ serve as a solar parking structure or ...
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Solar Lights for Parking Lots: The Design Basics You Need to Know
There are a few basic design principles of solar parking lot lights. To gain deeper insight into a cost-effective solar PV system design, here's what you need to know. What is Solar PV System? Solar PV system uses photovoltaics (PV) to transform sunlight into electricity. Solar-powered photovoltaic panels, also called modules, contain photovoltaic cells. These cells convert incoming sunlight ...
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Solar Grove™ San Diego, California - Case Study
“The economic viability of PV systems and their positive impact on our environment represent a significant opportunity for businesses throughout California. By installing this very attractive system on a Kyocera facility, we are setting a new benchmark for commercial PV installations, and leading San Diego into the solar age.” Steve Hill, President of Kyocera Solar, Inc. Unique ...
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Case study: Wireless controlled, four bar lift, indexing charge feeder
Challenge A unique secondary aluminum producer, located in Kentucky, had recently purchased a more efficient rotary furnace to improve their foundry production. Optimum efficiency requires the furnace doors to be opened and closed in the shortest amount of time to maintain heating efficiency. To feed the new furnace, the current process involved multiple runs using a front end loader to weigh ...
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Spin Ice Revolutionizing Power Source Generation
A recent discovery has enticed physicists to begin to reorder their understanding how energy particles behave after a thrilling find where a magnetic equivalent has been found to actually be able to create a particle charge much along the same lines as electricity. Spin ice, as its known, creates single controlled bursts of charges much the same as electricity, with similar behaviors and ...
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A diesel compound HCCI combustion engine based on injection strategy control
This paper presents a compound combustion technology of "Premixed Combustion" and "Lean Diffusion Combustion" for the purpose of realising the concept of homogeneous charge compression ignition (HCCI) combustion in a DI diesel engine. The premixed combustion is achieved by the technology of multi-pulse fuel injection. The start of pulse injection, injection-pulse number, injection period of each ...
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How Do Solar Panels Work?
Over the last 10 years, the rapid growth of the solar industry has demanded attention. Large agencies such as Tesla and the European Union are embracing solar as the wave of the future. From solar panels on rooftops to solar street lights, the solar is now a major player on the world stage. With all this talk about solar, have you ever wondered how a solar panel actually ...
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KET002 Wireless Charger Folding Table Lamp Metal Lamp Arm Can Rotate From Multiple Angles
Metal lamp arm, make the appearance look more upscale The lamp arm can rotate to multiple angles, so it is easy to use. You can charge it on your phone With the wireless charging function, you can use the led desk lamp with qi wireless charger to charge the mobile phone, or you can choose to connect the USB data line to charge the mobile phone. Of course, you can also charge two mobile phones at ...
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KET002 Wireless Charger Folding Table Lamp Metal Lamp Arm Can Rotate From Multiple Angles
Metal lamp arm, make the appearance look more upscale The lamp arm can rotate to multiple angles, so it is easy to use. You can charge it on your phone With the wireless charging function, you can use the led desk lamp with qi wireless charger to charge the mobile phone, or you can choose to connect the USB data line to charge the mobile phone. Of course, you can also charge two mobile phones at ...
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KET001-Night Light with Wireless Charger Atmosphere Light with Adjustable Color and DC Power Adapter
Lighting is suitable for many scenarios. It can be used as night lamp, atmosphere lamp, background lamp, and can adjust the light of various colors. Charging mobile phones With the wireless charging function, you can use the wireless bedside lamp to charge the mobile phone, or you can choose to connect the USB data line to charge the mobile phone. Of course, you can also charge two mobile phones ...
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Soil CO2 Flux Measurements -- Powering the LI-8100/8150 in a Remote Location: Power Requirements and Solar Panel Solution
INTRODUCTION Long-term automated simultaneous measurements at multiple locations within the same study site are often required to adequately characterize high spatial and temporal variability of the soil CO2 fluxes. The multiplexed LI-8100/8150 is a fully automated system dedicated to making such measurements using up to 16 soil chambers. Increase in the global flux network coverage creates a ...
By LI-COR
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