Elspec Equalizer ST LV Power Factor Cabinet


The equalizer ST is a real time, dynamic reactive power compensation system that utilizes a proven industrial technology to provide an additional solution for the challenges related to large motor startups.
  • Exclusive Technology
  • Cost-effective fast reactive power compensation
  • Improves the overall power quality of the electrical network
  • Designed to limit voltage drop to local standards
  • Transient free switching
  • Centralized motor startup compensation solution

Equalizer-ST System Comparison

This example demonstrates the results of a 5MW motor supplied by an 11.5kV electrical network supported by a 15MVA transformer.
The folowing charts represent the actual measurement data.
  Direct Online Soft Starter Equalizer-ST 32MVAr Equalizer-ST 12MVAr Combination
Soft Starter +
Equalizer-ST
12MVAr

Startup Time

6.9 sec 11.1 sec 5.1 sec 6.2 sec 9.5 sec
Volatg Drop -14.5% -12.0% -2.5% -10.0% -6%
Startup Current
(Typical values)
100% 60-80% 50-60% 70-80% 30-50%
THD v < 2% 10% <1% <1% 6 %
THD i < 2% 19% <1% <1% 20%

 
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