Three phase power quality tester

Introduction

Three phase power quality tester，With the vigorous development of China's national economy and the increasing electricity consumption year by year, the power load has sharply increased. The continuous growth of various types of electricity loads (especially impact and nonlinear load capacity) has had a great impact on the quality of power supply in the power grid, manifested as an increase in harmonic content, severe waveform distortion, voltage fluctuations and flicker, and three-phase imbalance beyond the allowable range, and other power quality related problems. In order to solve the above problems, accurate measurement and analysis of the above phenomena are necessary. Based on this requirement, our company has timely developed the YW-DZ power quality analyzer.

This is a multifunctional testing instrument that integrates power quality analysis, electrical parameter testing, and power vector analysis. The instrument is equipped with high-precision and high linearity voltage transformers and current transformers, which enable the instrument to measure various parameters with high accuracy. At the same time, it is equipped with clamp type current transformers, making on-site wiring simple. Adopting a large imported color LCD screen as the display, the Chinese operation interface is equipped with Chinese character prompt information and a multi parameter display LCD display interface. The human-machine dialogue interface is friendly, and the vector diagram display and wiring judgment provide a reliable basis for checking the correctness of the circuit. The instrument is equipped with a large capacity built-in power failure memory that does not lose data. It can save on-site verification data and provide backend microcomputer management software to upload the results to the computer for computerized management.

Performance Characteristics

*The instrument is small in size, lightweight, and easy to carry;

*Equipped with a high-performance lithium-ion battery, the instrument can operate continuously for 10 hours without an external power source, making it convenient for on-site testing;

*Multi parameter: can simultaneously measure parameters such as voltage, fundamental current, 2-64th harmonic, phase, frequency, power, power factor, etc;

*Vector analysis of metering circuits and protection device circuits can be conducted;

*Measurable total harmonic distortion rate;

*Can measure the short-term and long-term flicker of voltage and current in each phase;

*Measurable voltage balance;

*Real time waveforms that can display various phase parameters, used for simple oscilloscope functions;

*Different storage intervals can be set to continuously store data according to the set time intervals;

*Built in large capacity data storage, capable of continuous storage for over 18 months at 1-minute intervals;

*5.7-inch large screen color LCD display,;

*Harmonic measurement, determining whether harmonics exceed the standard according to national standards, clear at a glance;

*Equipped with a micro printer, the test results can be printed out on site at any time;

*Data can be stored on a USB drive for historical queries.

*It can be equipped with data analysis and management software to analyze and process test results, grasp the power quality of the tested points and the periodic changes in load, and play an indispensable role in helping power workers understand the power quality of users and take corresponding measures.

Three phase power quality tester

Technical Specifications