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Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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KWH METER READING WRONGLY
I have been working with the Westinghouse ABB and Elster meters fro several years. As the IEC meters are now coming into play I am finding that they are showing isolated cts (no running x2 together and to the meter. The only thing I have had mentioined is the possiblitiy of stray voltage. what...- WAT71
- Post #9
- Forum: Measurement & control instrumentation engineering
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CT secondary load and tolerance
Your question is one I get often The most common rule of thumb being a current transformer works best at 20-80% of rating so if you have a ct that is 100:5 it is best suited to work with in 20 and 80 amps The burden on the output on Electromechanical meters is about 10VA however with new...- WAT71
- Post #13
- Forum: Electric power & transmission & distribution
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Steam Meter Suggestions
I have been working on steam for a short time and any one can correct me if I am wrong but the steam doe not have enough mass or solid particals for ultrasonic or doppler to ping off corectly. I have a military base that would love ultrasonic but the error rate is bad. has any one installed a...- WAT71
- Post #13
- Forum: Measurement & control instrumentation engineering
