2013

9
Dec

Storms over Sweden and disturbances in the power grid

Throughout this autumn and until early December, Sweden has suffered a number of severe storms. When comparing data from different regions, it is quite easy to see how some disturbances propagate in the power grid while others only have local registrations. From the storm “Sven” (5 and 6 December) we have compared the medium voltage across the western and southern

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13
Aug

Unipower representatives met to discuss power quality

At the end of June Unipower held its biennial international sales conference near Alingsås, Sweden. Selected Unipower representatives met to discuss power quality case studies and to learn more about the new Unilyzer 900. Representatives from all corners of the world came to attend the conference. Many of the representatives brought knowledge about the power quality situation in their regions

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18
Jun

Unipower’s brand new portable instrument attracted much attention at trade show

During the Elfack trade show in Gothenburg, Unipower presented its new portable instrument Unilyzer 900. It attracted much attention and appreciation – not least because of the integrated WLAN function that makes it possible to study the measurement parameters and waveform in real time on a tablet-PC or android phone. The international launch of the instrument is scheduled for the

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21
May

Visitors at Elfack show could follow frequency disturbance in realtime

On May 17 at 09:30 a frequency disturbance was recorded in Sweden. Visitors to the Unipower booth at the Elfack trade show in Gothenburg could follow the incident in realtime as Unipower was constantly measuring during the show. The cause of the disturbance was that at 09:30 Svenska Kraftnät (Swedish national grid) conducted a disconnnection test at the Nuclear Power

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18
Apr

Visit us at Elfack 2013 in Gothenburg, May 13 – 17

You will find Unipower in stand H04:12 on level 2, close to the cafeteria and staircase from level 1. At the trade show we will present a new portable instrument. Moreover, we will show how easy it is to interpret the new regulation EIFS 2011.2 with our system PQ Secure. Elfack is the Nordic region’s largest meeting place where the

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2
Apr

Measurements at Thermal Power Plants in focus

During this winter we have seen a rising interest in power quality measurements at Swedish thermal power stations. Our rental instruments have been in constant operation. We have, therefore, supplemented our fleet of instruments further to guarantee high availability. We know from experience that many users want to measure when they perceive problems that need immediate action. By collecting and

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17
Mar

Enhanced Unbalance Measurements

“UnBalance Advanced” is an enhanced unbalance measurement for voltage and current optionally available in 2013 version of UP-2210 and Unilyzer 902. UBA is the ideal tool for fi nding unbalance sources and planning for mitigation measures. Values stored are negative, positive and zero sequence with maximum and average values. The corresponding phase angles for the average sequences are also measured.

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5
Feb

Unipower exhibits at Chalmers Technical University job fair

Unipower participates in CHARM, which is the largest job fair in the northern European countries. It is held at Chalmers University of Technology in Gothenburg, Sweden. The job fair attracts over 7000 visitors and 170 exhibitors.

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