Solar Concentrators Types & Applications

Concentrating Photovoltaic System

A solar concentrator collects light over a certain area and focuses it onto a smaller area. The light can be focused with either a lens or a mirror. For PV systems, the concentrator can increase the amount of electrical power from each cell in the array. An important application for …

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Grid-Tied Solar Photovoltaic (PV) System

residential grid-connected PV system

Most PV systems are grid-tied systems that work in conjunction with the power supplied by the electric company. A grid-tied solar system has a special inverter that can receive power from the grid or send grid-quality AC power to the utility grid when there is an excess of energy from …

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Solar Panel Data Sheet: Specification & Parameters

solar module data sheet

The most important solar panel specifications include the short-circuit current, the open-circuit voltage, the output voltage, current, and rated power at 1,000 W/m2 solar radiation, all measured under STC. Solar modules must also meet certain mechanical specifications to withstand wind, rain, and other weather conditions. An example of a solar module …

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PN Junction: Formation & Structure

In this section, the PN junction, which forms the basis of photovoltaic devices, is introduced. Silicon (Si) is the most common element used in the construction of photovoltaic solar cells. Recall that the addition of impurities to pure silicon (or other semiconductors) can change the conduction properties and form p …

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Solenoid Problems and Solutions

Herein, we have covered several Solenoid related topics such as Electromagnets, Solenoid & its Characteristics, Solenoid Applications and their Troubleshooting in detail. Electromagnets Define the electromagnet and explain the left-hand rule. An electromagnet is a magnet whose magnetic energy is produced by the flow of electric current. The left-hand rule …

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Electrical Control Devices Questions Answers

Herein, we have covered several questions answers related to Pushbutton, Selector Switch, Joystick, Limit Switch, Foot Switch, Pressure Switch, Temperature Switch, and Level Switch in detail. Industrial Pushbuttons Describe the different parts of pushbuttons and their functions. Pushbuttons are the most common control switches used on industrial equipment. An industrial pushbutton …

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Programmable Logic Controller (PLC) Questions Answers

Herein, we have covered several Programmable Logic Controller (PLC) related topics such as Basic Rules of Line Diagrams, Line Diagrams—Signals, Decisions, and Action, and Logic Functions in detail. Basic Rules of Line Diagrams State the basic rules that determine how and where two or more loads are connected into a control circuit. No …

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Electrical Instrumentation Questions and Answers

Herein, we have covered several Electrical instruments like Digital multimeter, Analog Multimeter, Clamp Meter, Megohmmeter, Oscilloscope, and Phase Sequence Indicator in detail. Safety Understand the stated rules for proper and safe use of hand and power tools. Tools should be kept in good working condition. Periodic inspection of tools helps …

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Comparison of Inverter and Non-Inverter AC Technology

The DC Inverter AC technology is the most recent advancement of innovation concerning the electromotors of the blowers. An Inverter is utilized to control the speed of the blower motor, in order to ceaselessly manage the temperature. The DC inverter units have a variable frequency drive that involves a flexible …

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Electrical Symbols and Diagrams Questions Answers

Language of Control Identify the differences between pictorial drawings, wiring diagrams, schematic diagrams, line diagrams, block diagrams, and flow charts. A pictorial drawing is a drawing that shows the length, height, and depth of an object in one view. Pictorial drawings show physical details of an object as seen by …

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Basic Electrical Questions Answers

Herein, we have covered basic Electrical questions related to Electrical Theory, Electric Circuits, Magnetism, and Power in detail. Electrical Theory State the three fundamental parts of an atom and identify their states of charge. The three fundamental particles contained in atoms are protons, neutrons, and electrons. A proton is a …

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