Electrical Power Quality Tester

1Summary

With the robust growth of our national economy, there has been a sharp increase in power load, particularly the continuous growth of surge and non-linear load capacity, leading to power quality issues such as waveform distortion, voltage fluctuations and flicker, and three-phase imbalance in the power grid. The company's newly launched Power Quality Analyzer is a high-performance, multi-functional power quality analyzer.DSP+ARM+CPLD Core5.5Large-screen LCD(320×240Dot Matrix)The display screen features a more compact structure, enhanced functionality, and easier viewing. The backend management analysis software is rich in features and user-friendly.

2Primary Application

2.1 Assessing the AC power quality supplied to the end-users from the public power grid, the analysis includes: frequency deviation, voltage deviation, voltage fluctuations and flicker, permissible unbalance degree of three-phase voltage, and power grid harmonics.

2.2 The application of wavelet transform for measuring and analyzing harmonic content in non-stationary time-varying signals.

2.3 Evaluate the power quality impact of various electrical equipment under different operational conditions on the public power grid.

2.3 Load Fluctuation Monitoring: Timely records and stores the trends of changes in electrical parameters such as voltage, current, active power, reactive power, apparent power, frequency, and phase.

2.4 Dynamic surveillance of power equipment adjustment and operation processes assists users in resolving issues that arise during the adjustment and commissioning of power equipment.

2.5 Testing and analyzing the causes of faults in electrical systems, such as circuit breaker operation, transformer overheating, motor burnout, and malfunctions of automatic devices.

2.6 The company conducted a test analysis of the dynamic parameters of reactive compensation and filtering devices in power systems, providing a quantitative evaluation of their functions and technical specifications.

2.7 The portable, multi-parameter, high-capacity, high-precision, and modern signal analysis theory features make the electrical power quality analyzer applicable in a wide range of fields, including power transmission and distribution, power electronics, and motor driving.

3Key Features and Characteristics

3.1 Secure and Reliable

High-voltage isolation module for voltage input(2000VResponse Time ≤2μSThe current input utilizes a current clamp.(0～50KHz,0～5Arms)Ensure the safe isolation of input signals and measurement systems. This not only makes the electric power quality analyzer safe, reliable, and convenient to use but also significantly enhances its anti-interference capability.

3.2 User-friendly

Portable structure, compact size, lightweight, and easy to be carried by one person for on-site testing; built-in high-performance lithium battery, no need for external power supply.

3.3 High precision

Harmonic meets national standardsA Our grade instruments demand stringent requirements. We employ benchmark algorithms for harmonics, three-phase unbalance, flicker, and fluctuations, with no approximation calculations, utilizing high precision.A/D（16 (Note), while sampling, the collection rate12.8 kHz。

3.4 Robust software features

AdoptedDSP+ARM+CPLD Core, with fast processing speed and rich software functions, makes the electric power quality analyzer suitable for complex testing and data processing tasks, significantly enhancing test efficiency and level.

3.5 Communication Interface

Power Quality Meters OfferedRS232 The interface facilitates communication and data transfer with laptops and allows for the software upgrade of the electrical power quality analyzer.

3.6 Live Printing

The Power Quality Analyzer is equipped with a miniature thermosensitive printer, enabling real-time printing of on-site measured data at any time.

3.7 Test multiple parameters

System frequency, grid harmonics, three-phase voltage unbalance, voltage fluctuations and flicker, voltage deviation, fundamental voltage RMS and true RMS, fundamental current RMS and true RMS, fundamental active power, active power, fundamental apparent power2-50All parameters as stipulated by the five national standards for power quality, including harmonic orders and true power factor.

3.8 High-capacity storage

Internal Power Quality Analyzer128M Memory, with1Data stored on a per-minute basis, capable of continuous storage1Historical data from the past month.

3.9 Back-End Management Analysis Software

Dz200 Pro Electrical Energy Quality Management Analysis Software is a backend management analysis software for electrical energy quality, running on

WIN9X/2000/XP/NT Operating system, user-friendly interface, with graphic and curve analysis capabilities, equipped with relevant information

Search, National Standard Search, and other content.