PQView® 3.71.3 is available for download.
This version includes more than 180 changes that resulted in improvements in nearly all components of the PQView application, including the installation program, database schema, SQL Server scripts, PQView Launcher, the Power Quality Data Manager, the Power Quality Data Analyzer, and PQView Agent.
Here are some highlights for this release:
Installation Program: This version of the installation program restores shortcuts to the Power Quality Data Manager and Power Quality Data Analyzer in the PQView 3.0 program group under the Microsoft Windows Start Menu. These shortcuts had been removed in PQView 3.65.0 as part of changes to support Microsoft Access 2007 and Access 2010.
Digital Signatures: Beginning with this release, the executable files for PQView Agent, PQView Launcher, and PQView Agent each are digitally signed by Electrotek.
Default Site Properties: It is now possible to specify default values for site properties of new sites added to a PQView database during data source import.
PQView Database Library: Many new functions were added to the PQView Database Library (pqview.dll) and several existing functions were optimized for speed. This library is used by many third-party applications designed to work with a PQView database.
PQView Agent: We completed many changes to make PQView Agent more reliable and easier to set up as an application for managing more than one PQView database on a single computer. Also, changes were made in the PQView PQ Data Manager that increase its awareness that an instance of PQView Agent is running. We need to remind you that PQDM and PQView Advisor can determine if each other is running only if your computer is Windows XP or later, which would be a reason for upgrading your computer from Windows 2000. Note that Windows 2000 is no longer supported by Microsoft.
Data Handler for Dranetz DDB Files: We made more than ten changes to the data handler, which was the first time it was revised since 2003. The changes focused on reducing memory needed during import, making the data handler more responsive to user cancellations, and handling incomplete or invalid data blocks better.
Other Data Handlers: We modified the modules used to import from the following data sources: CYMDIST Network and Equipment Databases, Dranetz ESS/InfoNode, ION Enterprise Databases, Electro Industries Communicator Logs, Qualitrol Q-Wave Information System (QIS) Databases, and Unipower PQ Secure Databases.
New Data Handlers: We added new data handlers for importing from General Electric Communicator Logs and from the AMR Database used at Provincial Electric Authority (PEA) in Thailand. We also added a window for importing waveforms from Microsoft Wave Sound Format (WAV) Files.
EDMI Data Files: We updated the module that allows import from EDMI text files. It now allows import of measurements from new meters without first adding a serial number for the PQView database as a site property. As part of the change, you can specify a default value for nominal frequency and nominal voltage for new sites.
Chart Copy to Clipboard: You can now specify the format copied to the Windows Clipboard or to Microsoft Word from interactive charts. You can choose between five formats: metafiles, enhanced metafiles, enhanced plus metafiles, bitmap files, and JPEG files. The default is enhanced plus metafiles (EMF+). These advanced types of metafiles better support display of languages other than English. EMF+ plus files also can include Greek characters common in power systems analysis such as Δ, Ω, and σ.
PQ Event Roll: Several new charts were added to the PQ Event Roll: Second Derivative, Third Derivative, Rapid Voltage Change Analysis, Mean Values (PPC) and RMS Values (PPC). You can now export measurements directly from the PQ Event Roll to the Event Roll, which allows you to view digital channels loaded with the event as thin and thick lines. Additionally, you can now add, edit, or delete a text description of each event using the key combination <Ctrl><N>. The event description text will appear at the bottom of each event chart if the “Show Event Desc” check box is marked in the PQDA Options window.
Steady-State Trends Window: We added two new derived charts. One shows the minimum value of the subsets displayed in the chart, and a second displays the maximum value. These complement the derived charts that were available in previous versions of PQView for showing the average and sum.
Rapid Voltage Changes: We updated the rules for compliance with Rapid Voltage Change limits to reflect current Norwegian NVE 1157 regulations. Previous versions of PQView evaluated Maximum Voltage Change (ΔUmax) only. This version of PQView evaluates an additional parameter: Steady State Voltage Change (ΔUss). The Maximum Voltage Change is the difference between maximum and minimum rms values of a voltage change characteristic. The Steady State Voltage Change is the difference between two adjacent steady state voltages separated by at least one voltage change characteristic.
Thai Support: We completed many changes in this version of PQView in order to better support computers configured with a Thai locale setting or Thai character set.