An over-voltage condition might occur in the power supply due faults inside the supply, or from external causes such as those in the distribution lines. The magnitude and duration of the over-voltage are some of the major considerations when designing an effective protection. The protection involv...
This causes extreme flashes of heat that could melt the insulators and damage the wire; it also causes short circuits. In this case, arcing horns are installed on areas susceptible to arcing as they provide near infinite impedance, ensuring that power surges and overvoltage do not cause trouble...
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Contact vibration (ultra-frequent switching) causes continuous arcing and melting of the resin at and around the contacts. Vibration may be caused by a decrease in the voltage applied to the coil or malfunction of sensors, switches, or microcontrollers that control ON/OFF of the relay coil. Whe...
Over voltages caused by rapid load reduction and utility switching Outage. This is a zero-volt condition caused by lightning, acts of nature, accidents, and ground faults equipment failure. Check with your local electrician for a precise diagnosis of the causes of dirty voltage in your property....
Today, you and I will quickly take a look at the topic“The Electricity: Don’t Hold Your Breath |What Causes Electric Shock In Human Body”. This has become necessary as we have sen overtime that several individuals have been searching for topics related to the above topic The Electricity...
The current in the discharge from the human body or other object generates heat which evaporates junctions, interconnects and the gap between tracks in the electronic components. The high voltage also breaks down the thin oxide coatings on MOS and other coated devices. This causes failure of the...
What causes an alternator to put out a high voltage ? Explain the process of Roll Bending as used in manufacturing design. State the two factors for which the performance evaluation of a hydro power plant? 1) What is the name of the behavior where a material specimen thins out whe...
Hi guys. I just got my new pc built, it works all right at first and I installed the win7 64bit and some drivers, however it always automatically reset when I try to run a 3Dmark 2011(it reset itself even during just the loading and I haven't done any overlocks on it yet which...
What are three ways in which voltage can be induced in a wire? Why does the electric current flow opposite to electrons? Explain the moving coil galvanometer. What does excess charge placed on a conductor do? What causes the electrons to flow in a wire?