CLOU GLOBAL TECHNOLOGY provides energy management products and customized solutions for efficient energy usage, cost reduction, and sustainability compliance.
Here we are publishing answers to your questions related to our products and services.
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Recent Articles
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How to Speed Up Your Test Procedures
The sample quantity is internationally not fixed, most countries are taking a random 4% sample, while for example Germany sticks on testing 20%.
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Poor Meter Connections are Causing Heat
Maintaining the right cross-section avoids overheating and is also reducing the internal resistance.
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How To Avoid getting A Victim Of Ransomware
A PC virus can be annoying. An encryption virus is a disaster for the whole organization.
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Taiwan faced widespread rolling blackouts
Taipower said that the outage was caused by a grid failure at the Hsinta Power Plant in the southern city of Kaohsiung.
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Instrument Transformer Burden Measurement
Instrument transformers are part of the measurement circuit for transformer operated meters.
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WebSite Metering Results
Since we are metering specialists, we also keep an eye on our website performance. We are running WordPress on a GoDaddy server without any extras.
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Where is my Smart Meter?
When you deploy new energy meters you want to know the installation position. It's helpful for various purposes
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Measurement Uncertainties for Test Benches
A test bench consists of several elements which can introduce additional variable errors.
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The Categories for Electrical Measurements
Sometimes you find in specifications terms like CAT III or CAT IV. These terms are given in IEC 61010-1
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The Christmas Gimmick 2020
Table Tennis (Pīngpāng qiú 乒乓球) is one of the top National sports in China. As a proof of concept we have remade a very old arcade game.
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Energy Meters and Hysteresis
You can find this term in a lot of technical documentations with more or less complicated explanations. We'd like to give some simple examples for the need of hysteresis in energy meters.
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My meter is running too slow
The end-user had an energy meter with rotating disk (electromechanical). These meters are usually already in the field for more than 30 years.
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Energy Saving with Little Helpers?
I recently stumbled over some advertisements related to plug-in or paste devices which are claimed to reduce the electricity bill by an average of 10%.
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User Interface Unit Simulator
By now the UIU/CIU short-codes are not unified. We have collected and merged all recent requests.
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How Mean is the Value?
CLOU energy meters and test equipment is measuring the true RMS value by waveform sampling. There are other methods, but they are less accurate.
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Power Grid Stability and Renewable Energy
With increasing percentage of renewable energy on power generation we will see more disturbances in the grid.
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Waveform Sampling for Electrical Measurements
The interactive graphics below shows the impact on sampling rates on different waveforms. The error calculation is based on true-rms for a wave with 360 samples and for training purpose only.
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The Over- and Under Voltage Disconnection
The phase to neutral supply voltage is controlled by the power generation companies and utilities by using transformers with on-load tap changers. Depending on the region you can find different supply voltages.

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