Power Quality Monitoring Equipment

1.Power Quality Monitoring Equipment Product Introduction

Power Quality Monitoring Equipment Power quality monitoring and energy efficiency evaluation for power systems and equipment under different operating conditions.Handheld Power Quality Monitoring Equipment can record and analyze all power quality parameters such as harmonics, voltage, current, frequency, fluctuation, flicker, power and three-phase imbalance on site, and has advanced measurement functions such as power transient monitoring, wave recording analysis, energy efficiency loss evaluation, inverter measurement, etc. The measurement results provide free host computer analysis software for secondary analysis, providing accurate data basis for power quality management of power grid.

2. Core Technical Indicators of Power Quality Monitoring Equipment

Flicker accuracy: ±5%

Voltage accuracy: 0.1%

Frequency: 50Hz/60Hz

Measuring cycle: 10/12 cycles

Frequency width: 42.5-69Hz

Voltage unbalance: ±0.2%

Current unbalance: ±0.5%

Maximum sampling frequency: 200kHz

Current accuracy: 0.1% + CT accuracy

Power factor accuracy: 0.5% + CT accuracy

Voltage test range: 0-1000V, instantaneous 6000V

Data storage: 8G

Working hours: ≥5h

IP rating: IP53

Support manual/automatic recording

Recording time: 10s-10min

Recording cycle: 10/12 cycles

Minimum recording time interval: 0.2s

USB transmission speed: ≥17M/S

Harmonic measurement: 50th/50Hz-2500Hz

Waveform sampling points: 128/256/512 points/cycle

Safety level: 600V CAT IV/1000V CAT III

Chinese and English interface settings

Support multiple transformer brands

Inverter measurement: single phase/three phase

Energy Loss Analysis: Monetary Statistics

Free professional host computer analysis software

Transient monitoring: Capture the shortest 50us waveform

Complies with IEC61000-4-7 harmonic measurement standard

Complies with IEEE 1459, DIN 40110 algorithms

Complies with IEC61000-4-15 flicker measurement standard

Interharmonic measurement: 50th/25Hz-2475Hz

High harmonics: 35th/2100Hz-8900Hz

3. Advanced Measurement Functions of Power Quality Monitoring Equipment

1. Waveform analysis

Supports 1-10min waveform recording function, supports custom sampling points to record original waveforms, and uses PC professional host analysis software to secondary analyze waveforms, which can more effectively analyze the causes of power grid failures.

2. Parameter statistics

Comprehensively record and analyze power quality parameters. The minimum recording interval is 0.2s. The recorded data can be used for secondary analysis by the host computer software, and can generate custom or national standard reports.

3. Transient monitoring

200kHz high-speed fixed-frequency sampling can capture the shortest 50us waveform instantaneous pulse and rapidly changing waveform data, while supporting lossless recording of transient events.

4.Energy efficiency loss assessment

It supports power decomposition, detailed statistics of power loss caused by various types of parameters, pollution assessment, and intuitively displays the economic losses caused by energy loss in the form of currency.

5. Inverter measurement

It can analyze the electrical parameters of single-phase/three-phase inverters, analyze and record the inverter's DC input, AC output, conversion efficiency and other parameters.

6. Oscilloscope

Display 4-channel voltage and current waveforms, support horizontal and vertical zooming, intuitively display waveform distortion, and understand the impact of high-order harmonics on signals.

4. Features of Power Quality Monitoring Equipment

1. Multi-regional standards

50Hz/60Hz power grid power frequency system measurement, Chinese and English language settings, customized multi-country phase sequence color standards and calculation methods to meet the needs of different users.

High precision, wide bandwidth, wide range

The measurement accuracy complies with IEC 61000-4-30 Class A standard, IEC61000-4-7 harmonic measurement, IEC61000-4-15 flicker measurement, and can measure up to 6000V instantaneous voltage. The maximum frequency of high-order harmonics can reach 9kHz.

2. Setup Wizard

Guide users to set parameters to meet basic measurement settings, solve the confusion of new users on how to set parameters, and provide visual guidance, which is simple and convenient.

3. Wiring verification

The unique wiring verification function guides users to connect correctly, prevents invalid records caused by wiring errors, and provides effective prompts for wiring errors.

4. Compatibility design

Supports current transformers of various brands in the industry.

5.IP53 grade structure

It has 1.5m drop protection capability and a protection level of up to IP53.

6. Data analysis software PQViewer

Power quality data analysis software (PQViewer) is a data analysis software that is compatible with power quality analyzers.

PQViewer can read the power quality data files collected and recorded by the analyzer, provide data analysis and statistics functions, and can export measurement data and reports that meet international standards, which helps to quickly and accurately locate power quality problems. Data Analysis Function

Statistical data analysis, showing the statistical results of voltage, current, power, frequency, harmonics and other data in the form of trend charts, and all power data status changes are clearly visible;

Harmonic analysis, which displays the statistical results of harmonic data in histograms and trend charts, and provides comprehensive information from detailed harmonic data to macroscopic results.

Event data analysis (transient events and steady-state alarm events), reporting the time, type and detailed data of the event, and can perform single-channel analysis and multi-channel comparative analysis of the power quality status at the time of the event;

Generate reports that meet national standards through simple operations

7. Data export and reporting

Export report content, can quickly output Excel format reports, trend charts, harmonic spectrum bar charts and ITIC curves, which are widely used in secondary analysis of measurement data with higher efficiency; Word format reports are also provided, table data and pictures can be viewed at the same time, rich in content, saving time.

Export raw data: export the recorded raw data in csv file, which is convenient for secondary data processing and analysis, and the results are accurate; the operation is simple and the export can be completed in two steps.

5. General parameters of Power Quality Monitoring Equipment

6. Power Quality Monitoring Equipment Measurement Parameters