The quality of power quality has a serious impact on the military industry, precision instrument processing industry, aerospace, railway transportation, communications and other industries. If the abnormal energy events in the power grid cannot be detected in time and effectively dealt with, it will cause serious safety accidents. That grid quality problem, how to detect it in real time? Why use power quality analysis devices? Various power events in the power grid often indicate some abnormal power quality. It is helpful to find these abnormalities and take countermeasures in time to ensure the quality of the power grid and reduce the economic losses and accidents caused by abnormalities. On the other hand, if the abnormal electric energy event in the power grid cannot be detected in time, it will cause a serious safety accident. The quality of power quality is particularly obvious for industries such as military industry, precision instrument processing industry, aerospace, railway transportation, and communications. Traditional quality analysis instrument and new online power quality detection device The traditional analysis of electrical energy events has the following characteristics: Generally carried out using hand-held or portable instruments; When it is necessary to analyze the grid data, the operation and maintenance personnel first carry the power detector to the grid for field wiring, collect data and then export for analysis. Due to the need for on-site operation, on-site collection, and export analysis, its safety (the risk of electric shock), convenience (on-site waiting for data acquisition), timeliness (lag of analysis results), etc., have great deficiencies. There is a significant time lag for finding electrical anomalies in the grid. Time and money are spent to monitor grid quality issues after unusual events occur and cause significant economic losses. With the development of power electronics technology, the large-scale use of non-linear loads has led to harmonics exceeding the standard and three-phase unbalance. At the same time, many power quality problems such as voltage sag caused by impact load and inrush current have caused great problems to the power grid. influences. The traditional method of electric energy monitoring has been unable to meet the requirements of safe, real-time, efficient and rapid monitoring of the power grid. How to quickly discover and notify the abnormal events in the power grid has become an urgent need for new online power monitors. The new online power quality monitoring device is connected to the back-end management system via Ethernet, enabling long-term stable power quality monitoring with one installation and deployment. Compared with the traditional power data monitoring method, the online type can be more secure (no need for on-site power-on operation), more efficient (on-site microcomputer data acquisition and analysis, high-performance background server for data deep mining) to monitor and analyze the grid data, which can be realized Real-time data collection, real-time detection and notification of abnormal events, avoiding accidents caused by power quality problems and reducing economic losses. E8300 online electric energy detecting device Online Power Quality Analysis Device E8300 Series Introduction ZLG Zhiyuan electronic online power quality analysis device E8300 series, using high-speed high-performance digital signal processor, integrating harmonic analysis, flicker measurement, power measurement, voltage imbalance measurement and fault recording, event recording and other functions Record steady-state data and transient data, and explore the causes of each event in depth. It can quickly collect and accurately analyze various power parameters, and can monitor and evaluate various indicators of power quality. ZLG Zhiyuan electronic online power quality analysis device E8300 series, including monitoring of equipment dropout, voltage abrupt change, voltage and current distortion limit, content rate limit, frequency up and down limit, etc., more than 300 kinds of grid abnormal events monitoring, almost covers Anomalies that may occur in all power grids. The E8300 series online power quality analysis device detects the abnormal events of the power grid in real time, and mines the cause of the event. When the alarm event occurs, the customer is notified in real time by mail. Develop response strategies for customers and dispatch on-site maintenance personnel to help avoid accidents caused by abnormal grid quality and reduce economic losses.
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