Siemos MR multifunction power quality analyser
Siemos MR multifunction power quality analyser The new MR-Siemos multifunction power quality analyser is suitable for the analysis of three-phase LV networks for voltages to 690 volt (L-L) and currents to 5300 amps. The instrument is designed for cyclic data measurements (network frequency, voltages, currents, apparent, real and reactive power). Features include manually and automatically […]
Controlling Harmonics in Commercial Buildings and Hospitals
Controlling Harmonics in Commercial Buildings and HospitalsBy: Subodh Bhatia, Westek Electronics Pty Ltd There are some significant differences between industrial and commercial electrical installations when it comes to harmonics. The main features of a large proportion of factories, treatment plants, mining sites, etc are the power electronic loads. These include variable speed drives, induction heaters, […]
Voltech Launches New Power Analyser Software
The Voltech PM1000+ and Voltech’s PMStudio software are ideal for measuring the efficiency of your lighting ballasts, and LED power supplies In addition you can measure their harmonics to ensure that your circuits are not being strained. Voltech provides a unique software solution for simultaneous input and output measurements on inverters and calculation of efficiency. […]
Active Filters For Wind Generators
Active filters for wind generatorsBy Subodh Bhatia, Managing Director, Westek Electronics Pty Ltd. 13th July 2012 Remotely located wind farms are likely to have a deleterious effect on power quality by virtue of the voltage distortion effect their harmonic current output has on soft transmission lines. Active filters can be an excellent harmonics mitigation solution […]
Teseq releases High Power Amplifier Suitable for EMC
Teseq has released a new Class A RF High Power Amplifier, the CBA 1G-275. The new CBA 1G-275 broadband, 275 watt, 56 dB gain amplifier operates in the bandwidth from 80 MHz to 1 GHz. It packs more punch with an additional 25 watts output compared to its predecessor and is smaller in size 6U […]
Outdoor voltage regulators from TSi Power Corporation
The new VRx precision voltage regulators from TSi Power Corporation are designed for outdoor use and suit applications including mobile phone cells, microwave relaying stations, remote telemetry, etc. The VRx voltage regulators are packaged in IP65 (NEMA 44) housing making them washdown and corrosion resistant. They withstand stressing environmental conditions including ambient temperatures ranging from […]
Overloading your building’s wiring
The overtaxing of building electrical installations is a silent, destructive agent and little recognised. By: Subodh Bhatia, Managing Director, Westek Electronics Pty Ltd Take a practical installation, e.g.: a shopping mall complex. There are a large number of tenancies—everyone with fluoro lighting, lots of IT equipment, scanners, electronic cash registers, printers, etc as well climate […]
RB Series current-compensated chokes PCB mounting
The TE Schaffner RB-series chokes are suitable for AC (to 600 V AC) as well as DC (to 1000 V DC) power lines and can therefore also be employed in inverters for drive applications, converters and photovoltaic panel circuits as well as charging stations for electric vehicles, etc. The chokes are available as one- and […]
Sorensen DC power supplies with water cooled option
Sorensen DC power supplies with outputs to 15 kW can noe be ordered with water cooled option The Sorensen SG Series of programmable DC power supplies with output voltages of 40 volts DC and 60 volts DC can now be ordered with a water cooled option in place of speed controlled fan cooling. Ratings of […]
New CSW Series AC/DC Power supply from California Instruments
The CSW range of power supplies from California Instruments combine a single phase AC power supply, three phase output power supply and DC power supply in one instrument. The new California Instruments CSW AC/DC power supplies are programmable for tests including full compliance testing to many EMC, power quality and avionics standards.The individual CSW chassis […]