How to choose a ＂three-phase power parameter tester＂?
2020-07-23 20:58source：guoyi.sgvisit：次
"Three-phase power parameter tester" is an instrument for on-site detection of secondary circuits in the field of power measurement and relay protection for power systems. We take "SMG3000 three-phase power parameter tester" as an example. The testable items of the meter: can measure the amplitude of 1-3 AC voltage, 1-3 AC current and their respective values without disconnecting the circuit under test. Measure the electrical parameters such as single/three-phase active power, active power factor, reactive power, reactive power factor, frequency, etc., and display them in a vector diagram on the same screen. Main functions of the meter: 1. Automatically determine the positive and negative sequence of the circuit; 2. Three-phase circuit electrical parameter measurement (U/I/Φ/P/Q/S/PF/Hz); 3. Automatically determine the correct connection of the watt-hour meter No, judge the running speed of the watt-hour meter, and reasonably collect the electricity bill; 4. Discrimination of inductive and capacitive circuits; 5. Measurement of current and voltage phase in the production of electrical equipment; 6. Use as a leakage current meter.
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