Tag: Power Quality

The future of power quality correction in New Zealand

In September, we announced the release of the Sinexcel Ultra Series to the local market. Available in SVG, ASVG, and AHF forms, the Ultra Series is poised to revolutionise power... Read More »

SINEXCEL ULTRA SERIES RELEASED TO NEW ZEALAND MARKET

In an exciting first for New Zealand, Power Electronics is bringing the Sinexcel Ultra Series to the local market. Read More »

The Sinexcel Active Voltage Conditioner - Voltage Sag and Surge Protection

New Zealand has a robust electrical network but even the most reliable of networks is not immune to voltage sags, brownouts, or surges. Read More »

Power Factor Correction - Understanding the Issues

In our third and final article in our Power Factor Correction series we will delve into the effects of voltage transients and resonance on traditional power factor systems. Read More »

Power Factor Correction - Distortion or Displacement

In today’s modern electrical environment power factor correction is not quite as easy to design as in years gone by. Read More »

The Hidden Benefits of the SVG Inverter Based Power Factor System - Current Balancing

It is such a common issue -in practical power systems it is nearly impossible to maintain perfect balance or symmetry between phase currents. Read More »

Harmonics - What should my Variable Speed Drive have?

The installation of increased numbers of non-linear load devices, such as variable speed drives, onto electrical networks that are at, or above capacity has seen a rapid increase in interest... Read More »

Filtering out the noise - Understanding IEC 61800-3 (Part 3)

Now in this final installment we will look at how the manufactures rate their levels of EMC compliance. Read More »

Filtering out the noise - Understanding IEC 61800-3 (Part 2)

Part 3 of IEC 61800 specifies electromagnetic compatibility (EMC) requirements for power drive systems (PDSs). These are adjustable speed a.c. or d.c. motor drives. Read More »

Filtering out the noise - Understanding IEC 61800-3

Go to the internet and you can search for any number of white papers on the theories of RFI and variable speed drives, but try and get an accurate comment... Read More »

Power Electronics ASVG Power Quality System at Fonterra Hautapu ticks all of the boxes

Vishaal Lad, Electrical Engineer for Fonterra Hautapu identified that several switchboards on site had power factor correction equipment that was either not working, non-existent or not economical to maintain due... Read More »

Prevention is better than cure- Melody's New World

During a routine maintenance check of Melody’s New World in Palmerston North, B & M Electrical deemed that the power factor correction unit operating on the main switch board was... Read More »

Three Phase Load Balancing - It Can Be a Moving Target

Conventional industrial three phase systems have traditionally been balanced by physically reconfiguring loads at the switchboards. Read More »

Power Factor Correction - Understanding the issues

Go to the internet and you can search for any number of white papers on the theories of Power Factor Correction, how to size your PF system, and engineer out... Read More »