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Entries in Capacitor Switching (2)

Wednesday
May302012

2012 Chengdu User Group Meeting Presentations

The 2012 Asian PQView Users Group Meeting was held in Chengdu on 2012 March 28-30.  The meeting was attended by more than 60 people from Australia, China, Indonesia, Malaysia, Taiwan, Thailand, and the United States.  Presentations and photos from the meeting and are available online.

Tuesday
Mar062012

PQView 3.72.4 Released 

PQView® 3.72.4 is available for download.

This version includes 250 changes that result in improvements in nearly all components of the PQView application, including the charting engine, database schema, PQView Launcher, PQView Agent, PQView Explorer, the Power Quality Data Manager, and the Power Quality Data Analyzer.

Here are some highlights for this release:

Support for Microsoft® SQL Server® 2012: We made changes that allow PQView applications to open more quickly when used with databases hosted by SQL Server 2012.

Data Handler for BTECH® Battery Validation Manager: We added a new data handler for PQView that can import voltage, current, temperature, and impedance measurements from databases managed by BTECH’s Battery Validation Manager software application.

Other Data Handlers: We improved the data handlers for importing the following data store formats:

  • IEEE® Std 1159.3 PQDIF Single File
  • IEEE® Std 1159.3 PQDIF Basic Folder
  • IEEE® Std 1159.3 PQDIF Annex C Folder
  • IEEE® Std 37.111 COMTRADE Folders with No Mapping
  • Dranetz® DDB Files
  • Electro Industries/GE® Communicator Log databases
  • GridSense PowerView CSV Folder
  • Qualitrol®/LEM Instruments Q-Wave Information System (QIS) databases
  • SATEC PAS databases
  • Schneider Electric® ION Enterprise® databases
  • Unipower PQ Secure databases.

Optional Capacitor Switching Analysis Answer Module: We completed changes in PQView to support the first version of an optional add-in module that allows automatic capacitor switching analysis.

Follow-On Fault Analysis: We completed many changes to PQView for single-event and follow-on fault analysis.  The updated module allows correlation of faults with voltage sags, voltage swells, overcurrents, temperature, time of day, and more.

Chart Units: You can now control the normalization of units shown in charts that show temperature and impedance.  For example, this version allows temperature time series to be displayed in either Celsius or Fahrenheit, and impedance time series can be displayed in ohms, milliohms, or kilohms.

Phasor Charts: The phasors displayed in the PQ Event Roll will now be referenced to the first cycle of the voltage on Phase A no matter which phasors are selected for display.