What are the aliases and common functions of the ＂three-phas
2020-07-27 22:06source：guoyi.sgvisit：次
The "three-phase electricity checker" is a tester for measuring three-phase electrical parameters, analyzing the correctness of the CT wiring of the protection circuit, and detecting the unbalance of three-phase electric voltage and current. The three-phase electricity checker can complete three-phase voltage, A high-precision power tester for electrical parameters such as current, phase angle, frequency, power, power factor, etc. The three-phase power tester also has the function of calculating electrical energy. It can also be called a multi-function three-phase electric energy meter field calibrator. We take the "DNC three-phase power checker" as an example. The commonly used functions are as follows: 1. The three-phase power checker measures 1 to 3 AC voltages and 1 to 4 AC currents (including zero phase). Current). 2. Measure the phase between voltage, current, voltage and current with an electric checker. 3. The three-phase power checker measures the grid frequency, active, reactive and apparent power, and power factor. 4. Analyze the correctness of the CT wiring and the judgment of the wiring error of the electric energy meter. 5. Three-phase three-wire two-element electric energy meter 192 kinds of wiring error detection and judgment, and its vector diagram, wiring diagram, and text description are given. 6. Phase measurement voltage range: 5-500V, phase measurement current range: 5mA-10A 7. Three-phase electricity checker displays hexagonal vector diagram. 8. The three-phase power checker must be designed with low power consumption, and the longest continuous use time can reach 12 hours.
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