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    • About UST
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      • A Guide to Automatic Voltage Regulators/Power Conditioners
      • How to Determine Component Ratings when Applying an Automatic Voltage Regulator
      • Why is the SagFighter™ a Better Choice than a UPS to Operate a Motor?
      • Improving the Reliability of UPS Power-Backup Systems
      • The Economic Case for Adding EVRs to Backup Power Systems at Hotels, Resorts and Casinos
      • Power Conditioning Technologies
      • Applying a Voltage Regulator/Power Conditioner
      • Power Quality Glossary
      • Power Quality FAQs
      • Power Conditioning Terms
      • Calculating kVA Sizes
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    • UST Power Product Fact Sheet & Photos
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Daily Archives: April 17, 2015

Why is the SagFighter™ a Better Choice than a UPS to Operate a Motor?

Equipment Failure, LibraryBy Ron LadouceurApril 17, 2015

The SagFighter™ corrects short, deep sags that may be presented to the load by the incoming power system. The power necessary to maintain the load voltage and current in the presence of low input voltage is obtained by drawing additional current from the source. There are no batteries to purchase, maintain, and replace.

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DO SMALL ELECTRICAL GLITCHES THREATEN YOUR PRODUCTION YEILD? ARE YOU RELYING ON UPS … OR NOTHING … FOR PROTECTION?


WHAT WORRIES YOU MOST?

WE’RE WORRIED
OUR UPS WILL
FAIL WHEN NEEDEDWE’RE WORRIED ABOUT
SAGS IMPACTING
CRITICAL SUBPROCESSESI’M NOT SURE
WHAT OUR MAIN
WORRY IS!

UST’s industrial-grade electronic automatic voltage regulators and power conditioning products silently monitor and correct virtually all voltage events, providing the most reliable insurance against unexpected (and unavoidable!) voltage events.

Products | Contact | Get a Quote




IS YOUR LOCAL GRID SUB-OPTIMAL? UNRELIABLE?


CAN YOU GIVE US ANY SPECIFICS?

WE’VE GOT A
PROBLEM WITH BRIEF
VOLTAGE SAGS.WE EXPERIENCE
CHRONIC VOLTAGE
FLUCTUATIONS.I’M NOT SURE
WHAT OUR
PROBLEM IS!

Over the last decade, UST’s full line of industrial-grade electronic automatic voltage regulators have proven capable of reliably compensating for poor utility power. Thanks to UST, facility managers in developing regions (and those in urban areas in developed regions where the grid is stressed) can now count on perfect power.

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MOTOR OR CONTROL FAILURES LEADING TO UNPLANNED PRODUCTION STOPS?


CAN YOU GIVE US ANY SPECIFICS?

WE’VE GOT A
PROBLEM WITH BRIEF
VOLTAGE SAGS.WE EXPERIENCE
CHRONIC VOLTAGE
FLUCTUATIONS.I’M NOT SURE
WHAT OUR
PROBLEM IS!

Production stops due to motor or control failures are very costly. Voltage irregularities are often their unidentified source.
UST offers a full line of electronic automatic voltage regulators and power conditioning products. We are the solution system designers trust to solve the headaches caused by the industrial grid.

Products | Contact | Get a Quote

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  • To download the UST Pharmaceutical Case Study, please fill out the form below.
Submit Power Data

Power Data Submission

  • UST engineers are standing by to analyze your power data and develop a full report on voltage sags and other voltage issues on your production line or at your facility. Your data will be treated as confidential, and only you and others with whom you share your credentials will have access to the final report.


  • Please submit your data in one of the formats listed below.

    We may request additional information to better understand the data submitted. Contact us if you need help determining relevant data to submit or for recommended recording meter types.


  • Option 1

    Best: Attach the direct/raw output file(s) from the meter or software used to record the power data.

    Please submit an .odn, .fpqo, .dsd, or similar file type.
  • Max. file size: 50 MB.


  • Option 2

    Better: Attach an easily manipulatable export of the recorded data.

    Please submit a .txt, .csv, .xls, or similar file type.

    Be sure date/time stamps and voltage data are included in the file.
  • Max. file size: 50 MB.


  • Option 3

    Good: Attach a generated summary report from the meter, software, or third-party power quality assessment.

    Submit a .doc, .pdf, .ppt, or similar file type.

    Pictures or screen-captures of power quality issues may be useful as well.
  • Max. file size: 50 MB.


  • In all cases, please indicate:

    • The meter model number used to record the data
    • The measurement location within the electrical system (e.g. Utility voltage ahead of step-down transformer, or at machine input connections)

Download Semiconductor Case Study

  • To download the UST Semiconductor Case Study, please fill out the form below.

This short video explains why modern electronic voltage regulators, like the UST MiniEVR™, should be specified instead of ferroresonant transformers in cases where the load is 2kVA or larger.

  • EVRs operate at up to 99% efficiency at all times, while ferros typically operate at efficiencies of only 75% to 80%, and frequently operate at efficiencies as low as 50% – wasting electricity and generating unnecessary carbon.
  • EVRs run silent and cool and can be installed indoors or out, while ferros are noisy and hot and must be installed in a protected indoor environment.
  • EVRs are specified to match the load exactly, while ferros must be oversized by a factor of 2x to 2.5x.

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  • To instantly download the UST SagFighter™ ROI Calculator, please fill out the form below.