Harmonic monitoring method 1. Harmonic monitoring is divided into two methods: non-online monitoring and online monitoring; 2. The non-online monitoring method uses a portable tester to test the suspected harmonic sources of interest from time to time; this method has less investment, but has shortcomings such as low real-time performance, large workload, and low efficiency; 3. The online monitoring method generally takes the monitoring instrument as the core, and uses the computer with the management software as the main station. The monitoring data is collected and analyzed by wired (RS232/485) and network (RJ45), and outputted as a graph. For the analysis and utilization of relevant technical personnel. The main purpose ☆ Measure and analyze the AC power quality supplied by the utility grid to the customer. The measurement and analysis: frequency deviation, voltage deviation, three-phase voltage allowable imbalance, power grid harmonics. ☆ Apply wavelet transform to measure and analyze the harmonics of non-stationary time-varying signals. ☆ Measure and analyze the power quality of the utility grid of various electrical equipment under different operating conditions. ☆ Load fluctuation monitoring: Timing recording and storage of voltage, current, active power, reactive power, apparent power, frequency, phase and other power parameters. ☆ Dynamic monitoring of power equipment adjustment and operation process to help users solve problems in the process of power equipment adjustment and commissioning. ☆ Test and analyze the fault causes such as circuit breaker action, transformer overheating, motor burnout, and automatic device malfunction in the power system. ☆ Test and analyze the dynamic parameters of reactive power compensation and filtering devices in the power system and quantitatively evaluate their functions and technical indicators. ☆ Portable, multi-parameter, large-capacity, high-precision and application of modern signal analysis theory, HAD-XB38 can be widely used in power transmission and distribution, power electronics, motor drag and other fields. data collection It has RS232, RS485 standard communication port and network port (RJ45) communication mode, which can also be collected in the field by laptop. The host computer is based on the WINDOWS operating platform, and various collected data can automatically generate various reports, curves and bar graphs. Reports can be converted to WORD or EXCEL format as needed. Various reports, curves and bar graphs can be sent externally via EMAIL. DongGuan Lucky Pet Products Co., Ltd. , https://www.dgpetproduct.com