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TANAPA receive anti-poaching aircraft from Germany
Germany Foreign Minister Hon. Frank –Walter Steinmeier (right) handing over a symbolic key of a light Husky aircraft for anti-poaching operations to Director General of TANAPA Allan Kijazi. Others in...
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Cable trays: even faster to install
here is no lack of innovation in the field of cable management systems for wires, cables and optical fibers. Not so surprising as cable management systems represent a significant cost in labor and...
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Common electrically conducting materials used in electrical cables
The primary purpose of cables is to provide a conduit for power transmission from the source to the end user. Over the years, engineers and scientists have worked tirelessly to get the best materials...
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Common non-conducting materials used in cable construction
Other than the core electrically conducting material, cable construction consists of non-conducting materials for functionality and aesthetics. Insulators separate conductors to prevent...
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RC and RL Loaded Diodes
Introduction Up till now we have studied quite a lot about the basics of diodes. Taking a quick revision, we came to know that how do semiconductor power diodes acts as switches, how their electrical...
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Working Around Low Voltage Systems
Every single day, engineers and technicians work on low voltage systems supplying resident and commercial buildings. In most of the cases, the job successfully goes without hitches. Occasionally...
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Introduction to Semi Conductors
Introduction Here we are going to start a detailed tutorial on power semiconductor switching devices, which will give you a brief but explanatory overview of semiconductors and the semiconductor...
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Types of Power Diodes
Introduction The diode totally stops any leakage current never considering any breakage of the junction barrier. But since things are not ideal in this world, we do face some problems considering non...
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Series and Parallel Connected Diodes
Diodes are connected inside the circuit in two configurations. These configurations are: Series configuration Parallel configuration Both of the connection patterns are widely used and will be...
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Thyristor Characteristics
Thyristor is another electronic component which belongs also belongs to the family of power semiconductor switching devices. It is a bi-stable switch, which means that both its open and closed states...
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Types of Thyristors
One of the most interesting things about thyristors is that they are manufactured in a unique way by the process of diffusion. We have already studied the working characteristics of a thyristor and...
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Top 10 factors that govern selection of medium voltage drives
Though medium voltage drives have been around for more than three decades now, high quality and reliable medium voltage drives have only been available since the past few years. Specifying and...
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Single and Bidirectional Phase Controlled Thyristors
Introduction One directional thyristor , also known as Silicon Controller Rectifier (SCR), is actually nothing more than a simple four layered current controlling device that allows passing current...
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Series and parallel operation of thyristors
Thyristors are four layered devices, having a PN-PN structure. Like transistors, thyristors are used as switches and they are considered as ideal switches. There are some standard available ratings of...
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Reverse Conducting and Gate Turn off Thyristors
Introduction Up till now we have become pretty much familiar with the properties, types and uses of thyristors. We came to know their diverse applications in the field of electrical technology....
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Warmth, cold, humidity: the proper atmosphere inside the enclosures
Most of the electrical panels and switchboards don’t need any thermal management for their internal atmosphere. The variation range of their internal temperature remains acceptable through the seasons...
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Switchboards : always more added-value
It is a fact, in the electrical construction sector, a company has no choice but to develop skills to protect its own markets and to avoid falling into a dangerous competitive situation. Meeting with...
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What is a transfer switch?
An electrical device that is used to switch load between two sources is termed as a transfer switch. They are mostly used to connect a generator to one’s household wiring in a safe manner. Nowadays...
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Operations of Transfer Switch
As we already know that transfer switches are used for switching of load between two distinct power sources as in the case of grid power and backup generator. But the question is how these switches...
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Manual Transfer Switch & their types
Here’s the 3d part of Nasir’s tutorial on Transfer Switches. If you’re interested in sending articles to the Electrical Engineering Blog, send us a mail! Manuals transfer switches as the name suggests...
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