Earthing Systems Articles
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Ensuring Reliability: Gas Monitoring Systems for Electrical Switchgear Maintenance
In the intricate world of electrical power systems, switchgear plays a pivotal role in controlling, protecting, and isolating electrical equipment to ensure the reliability and safety of the power supply. As critical components of the electrical infrastructure, switchgear units require meticulous maintenance to operate efficiently and prevent costly downtime. This is where the integration of ...
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Top 5 Reasons Homeowners are Ditching Oil Furnaces and Switching to Geothermal Heating and Cooling
You’d be hard-pressed to find a home heating option that’s as expensive, dirty, and inefficient as fuel oil. It’s no wonder that homeowners are upgrading to clean, renewable, energy-efficient geothermal heating and cooling in record numbers. Here are the top five reasons why folks are making the switch: 1. Geothermal saves homeowners thousands of dollars Any homeowner who ...
By Dandelion
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Robust cabling – New components for the 19” control cabinet
Siemens is extending its FastConnect range of cabling technology with new components surrounding the 19 inch control cabinet. The Siemens 19 inch Module Frame represents a robust patch system for installation of both copper and fiber-optic connectors in less time and without errors. Operation Technology (OT) and Information Technology (IT) do not use the same network components and this is ...
By Siemens AG
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Shaft Voltage Measurement - Case Study
Motor; 460kW Leroy Somer Permanent Magnet Compressor Motor. 400V, 3600rpm. Initially overhauled in May 2017, when 2 x Insulated Bearings were replaced, Excessive Bearing Failure was once again detected in November 2017. It was agreed to complete a Shaft Voltage Test, as the motor is powered by VSD, Shaft Voltage of 54V Peak to Peak was detected. Upon inspection of the power cable between ...
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Butterfield Business Park
Design and installation of mechanical, electrical and public health services a new business village, this project was the first office development in the UK to incorporate a passive heating and cooling ventilation system utilising earth ...
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400 PPM: Carbon dioxide levels cross a sobering new threshold
Last week we passed an unfortunate marker when it comes to climate change: concentrations of carbon dioxide (CO2) in the atmosphere have hit 400 parts per million (ppm) near the Arctic. What Does it Mean and Why Should We Care? This level was discovered by scientists at the National Oceanic and Atmospheric Administration (NOAA), who have long measured CO2 concentrations at stations around the ...
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World Population Hitting 7 Billion
The number of people in the world is expected to reach 7 billion by the end of October 2011. Our rate of increase continues to slow from the high point of over 2 percent in 1968. Still, this year’s 1.1 percent increase means some 78 million people will be added to the global population in 2011. The human population did not reach 1 billion until the early nineteenth century, and it took ...
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Energy heads home in 2011
I have three predictions for 2011. When it comes to energy policy, austerity will be in. Therefore, energy efficiency will become a favored choice among mayors, governors, state lawmakers and Congress, as government becomes increasingly edgy about the cost of renewable energy. The infamous leaky home will finally get some plugging. My first two predictions are no-brainers. Governments are ...
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Global bioenergy: problems and prospects
This paper explores the future global potential for bioenergy. We use energy analysis, and more generally climate change effects, as our criteria for evaluation. Since widespread use of new bioenergy is probably decades away, our evaluation attempts to take into account likely future conditions. Previous research displays large variations in estimates of both energy ratio and technical potential. ...
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