Emerson Network Power’s Avtron® Sigma 2 Load Bank Control PC software is designed to provide comprehensive data logging, diagnostics, trending, and programming profiles for results verification, and power system commissioning and acceptance.
The Avtron Sigma 2 Load Bank Control PC software is compatible with a range of Avtron Load Banks. It enables operators to run program profile tests either in large facilities with dispersed equipment, multiple test rooms or repetitive tests on factory floors from a single, remote control platform. In these applications, it optimizes power testing workflow, saves time and manpower, and generates reports for power equipment pass/fail performance, commissioning and acceptance.
Reports also can be used to verify compliance with such regulatory requirements as NFPA1 37, 70, 99, and 110, and Joint Commission2.
Manual or automatic load control and data capture and logging manage digitally processed measurements from the load banks' transient-speed, high-accuracy voltage and current transformers. Capture rates for voltage and frequency transient data, for example, are 25 readings per second. Analyzing transient data identifies voltage and frequency recovery times and maximum deviations.
High-speed sampling produces full, three-phase, true rms3 measurements with high update rates. Real-time, graphical screens update up to one second per division.
The Avtron Sigma 2 Load Bank Control PC software saves data, such as supply properties that include ratings, alternator, engine, customer, and additional notes, with active supply details, and prints the results in report format. It also prints transient, heat run and summary reports. Data can be networked to critical power management or building management systems for analysis.
The Avtron Sigma 2 PC software's automatic load control runs user-set load test routines that include load ramping, delay instructions, looping and data capture. Load modes provide power factor and either kVA, percent power, or current. Operators can verify programs by single-stepping each command. Adaptive and predictive load-correction modes apply the correct load even if voltage or frequency sags.
User-set 'watches' monitor instrumentation values, stop test programs and drop the load if required.
The Avtron Sigma 2 Load Bank Control PC software operates on an industry standard Pentium laptop, desktop or rack-mounted PC with Microsoft Windows (NT 4, 2000 or XP).
1. NFPA: National Fire Protection Association and pertinent standards
- NFPA 37: Standards for the Installation and Use of Stationary Combustion Engines and Turbines
- NFPA 70: National Electrical Code
- NFPA 99: Health Care Facilities Code
NFPA 110: Standard for Emergency and Standby Power Systems
2. Formerly the Joint Commission on Accreditation of Healthcare Organizations
3. Root Mean Square: The rms value is the effective value of a varying voltage or current.
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