Product Introduction
Wuhan UHV Power Technology Co.,Ltd., is a professional manufacturer and supplier of high-voltage power testing equipment in China.Portable Three-Phase Power Quality Analyzer is a professional testing instrument used for on-site detection and recording of the operating status of three-phase AC power systems. It is commonly used for fault diagnosis in industrial power distribution, substations, data centers, photovoltaic/energy storage systems, UPS, and large electromechanical equipment.
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Product functions
1. Comprehensive power quality analysis
The SMG7000 is primarily used to detect various power quality issues that occur during power grid operation, including:
Voltage deviation
Frequency deviation
Voltage fluctuation
Flicker
Harmonic content
Three-phase voltage imbalance
Voltage and current waveform distortion
In other words, it can not only measure voltage and current, but also further determine whether there are abnormalities in power quality of the grid.
2. Electrical parameter measurement
The device can simultaneously measure and analyze multiple basic electrical parameters, including:
Voltage
Current
Active power
Reactive power
Apparent power
Power factor
Frequency
Phase angle
The voltage measurement range is 0–200–800 V with automatic range switching, and the frequency measurement range is 45–55 Hz. Current is measured using clamp-on current transformers, with different range clamp-on transformers available as needed.
Product parameters
Input characteristics | Voltage measuring range | 0～200V～800V, automatic cutting gear | |
Current measurement range | Clamp transformers (three types) | 5A / 25A (standard) | |
100A / 500A (optional) | |||
400A / 2000A (optional) | |||
Phase angle measuring range | 0 ~ 359.99 ° | ||
Frequency measurement range | 45 ~ 55Hz | ||
Voltage channels | three-channel (UA、UB、UC) | ||
Current channels | three-channel (IA、IB、IC) | ||
Maximum harmonic analysis times | 63 times.
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Maximum continuous storage period in 1 minute interval | 18 months | ||
Accuracy
| Measurement of electrical parameters section | Voltage | ± 0.2%
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Frequency | ± 0.01Hz | ||
Current, power | ± 0.5% | ||
Phase | ± 0.2 ° | ||
Power quality section:
| Fundamental voltage tolerance | ≤0.5% F.S | |
Fundamental current tolerance | ≤1% F.S | ||
Phase between fundamental voltage and current measurement error | ≤0.2 ° | ||
ercentage of harmonic voltage measurement error | ≤0.1% | ||
Percentage of harmonic current measurement error | ≤0.2%
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Three phase voltage unbalance error | ≤0.2%
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Voltage deviation error | ≤0.2%
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Voltage fluctuation error | ≤0.2%
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Working temperature | -10 ℃ ~ + 40 ℃ | ||
Charging Power | 220V AC, 45Hz-55Hz frequency | ||
Host Power | ≤3VA | ||
Battery maximum working time | ≤10 hours | ||
Insulation | 1) The insulation resistance between the voltage, current input terminal and the housing ≤100MΩ. | ||
2) Withstand 1.5KV (valid value) with power frequency on operating power input and the shell, which lasts one minute. | |||
Size | 258mm × 158mm × 58mm | ||
Weight | 1.8Kg | ||
Nickname：Portable Power Quality tester，Power Quality tester，Power Quality meter，Power Quality Analyzer
Feature:
1. The instrument is designed as a high-precision test equipment to detect grid waveform distortion occurrence, the harmonic content , voltage fluctuations and flicker and phase imbalance of power quality problems; It also includes electrical parameters testing, vector analysis functions.
2. It can accurately measure a variety of electrical parameters, such as voltage, current, active power, reactive power, phase angle, power factor, frequency, etc.
3. It can display the vector diagram of the measured voltage and current , by analyzing which users can judge if the metering device wiring is correct or not.
4. Current is measured by using the clamp transformers. You can easily and securely do the measurement, because of the use of clamp current transformers, without connecting the current loop. Depending on the user's measurement range, you can be equipped with different range of clamps.
5. Measurement and analysis of the AC power quality from the utility grid to client can be done easily, its measurement and analysis: frequency deviation, voltage deviation, voltage fluctuations, flicker, three-phase voltage unbalance factor and harmonic.
6. It can display single-phase voltage, current waveform and can display three-phase voltage and current waveform at the same time.
7. All testing interface is functioned with a screen lock feature to facilitate reading and analysis of user data.
8. Load fluctuations monitoring: It can measure and analysis fluctuations on the utility grid power quality caused by a variety of electrical equipment at different operating conditions. Record and store trend of electrical parameter, such as voltage, current, active power, reactive power, apparent power, frequency, and phase at a regular time.
9. It can do electrical equipment adjustment and dynamic monitoring during operation, and help users to solve the power adjustment and commission process problems.
10. It can measure and analysis the dynamic parameters of reactive power compensation and filtering devices in the power system, and make quantitative evaluation of its features and technical specifications.
11. Users can set different storage interval, and it will successively store data according to the set time interval;
12. High-capacity data storage is equipped inside. It can store 18 consecutive months or more according to one minute interval, which meets the needs of long-term monitoring testing points.
13. The instrument includes a USB connector, which can be easily used to copy the data directly to the backstage management computer.
14. It coordinates with powerful data management software, and can directly upload real-time sampling data to backstage management compute, which can do a more comprehensive and rapid treatment in the background.
15. It has a calendar, clock function, which can display date and time in real-time. You can detect at the scene while saving test data and results, and upload to a computer via serial connector, then realize computerized data management through the backstage management software (optional), with powerful reporting capabilities.
16. Large-screen imported color LCD is used as a display, and Chinese user interface is equipped with Chinese character prompt, multi-parameter display LCD interface, friendly interactive interface.
17. LCD will automatically enter power-saving mode when there are 3 minutes without operation in order to maximize the extending battery life.
18. It uses conductive silicone keypad, which feels good, long life, reasonable design, and easy to operate.
19. High-capacity, high-performance lithium-ion rechargeable battery is equipped inside, which can continuously work for more than 10 hours if the battery is fully charged.
20. It has a small size, light weight, easy to carry. It can be used both as site testing measurement and as the standard measurement equipment in laboratory.
Application Scenarios
Industrial factories: Troubleshoot equipment shutdowns, PLC resets, frequency converter alarms, and other issues.
Power distribution systems: Detect three-phase voltage, current, power, power factor, and load conditions.
Power quality diagnostics: Analyze voltage sags, swells, interruptions, harmonics, flicker, and transients.
Motors and variable frequency drives (VFDs): Detect inrush current, three-phase imbalance, and harmonics.
UPS and data centers: Monitor input/output power quality and abnormal events.
Photovoltaic, energy storage, and EV charging: Test grid-connected power quality of inverters, power conversion systems (PCS), and charging equipment.
Building and energy management: Conduct load surveys, energy consumption analysis, and energy saving assessments.
FAQ about Handheld Power Quality Analyzer
Q: Can the SMG7000 measure voltage and current simultaneously?
A: The SMG7000 is equipped with 3 voltage channels and 3 current channels, allowing simultaneous acquisition of three-phase voltage and three-phase current data, as well as comprehensive analysis of parameters such as power, power factor, and phase angle.Q: Can the SMG7000 detect abnormal current waveforms?
A: Yes. The device can capture current waveforms and, combined with harmonic analysis, determine whether there are issues such as waveform distortion or excessively high harmonic content, helping to analyze the impact of nonlinear loads on the power grid.
Q: Why choose our company's portable three-phase power quality analyzer?
A: We have our own factory with over 10 years of production experience.Choosing our portable three-phase power quality analyzer not only meets conventional power quality testing requirements such as voltage, current, power, power factor, frequency, harmonics, and three-phase imbalance, but also offers advantages including portability, high accuracy, multi-functionality, data recording, and on-site analysis capabilities.
