Chengji Intelligent Three phase Unbalanced Manufacturer Direct Sales

main purpose

This instrument is used by the electric energy metering and electricity marketing departments of the power system, and can perform on-site detection of secondary circuits for the following purposes:

1. Automatically distinguish the positive and negative phase sequence of the line;

2. Measurement of electrical parameters of power lines;

3. Determine the speed of operation of the electricity meter, calculate the correction factor, and collect electricity fees reasonably;

4. Check the transformation ratio and polarity of the low-voltage CT, and whether the nameplate matches the actual object;

5. Discrimination between inductive and capacitive circuits;

6. Can be equipped with a high current clamp meter for power line loss management data collection, real-time collection of unbalanced data recording;

7. Secondary line wiring simulation training;

8. Used as a leakage current meter, etc.

　　Main functions and features

1. 7-inch (800 * 480) TFT true color LCD display, graphical operation interface, touch screen operation, clear and intuitive interface display.

2. Measure the phase separation and total power of three-phase voltage, current, frequency, active power, reactive power, apparent power, and power factor online, and display multiple phase relationships of electrical U-U, U-I, and I-I. Provide Chinese prompts for positive and negative phase sequence;

3. The measurement results can be displayed in various ways such as hexagonal vector graphs and tables, with over 20 parameters displayed on the same screen, making the measurement data clear at a glance.

4. Automatically identify the load characteristics of the power line, check the wiring results of the secondary circuit of the power line and the differential protection of the power system transformer, automatically identify the wiring results of the secondary circuit of the energy metering (three-phase four wire and three-phase three wire), indicate the error location, display the wiring diagram and power expression of the secondary circuit, and automatically calculate the correction factor.

5. Load curve recording and load fluctuation monitoring function: It can measure and analyze the fluctuations caused by various electrical equipment in different operating states on the power quality of the public grid, and dynamically monitor the adjustment and operation process of power equipment.

6. The wiring simulation function can be used as a training tool to improve the wiring skills of on-site workers. The instrument can obtain corresponding wiring results based on on-site data without connecting voltage and current signals.

7. PT/CT settings can convert secondary data into primary data.

8. Calculation of voltage and current imbalance.

9. Vector calculator, on-site calculation of voltage and current vector sum.

10. Optional 500A or above high current clamp for measuring low voltage current transformers, displaying angle difference, ratio difference, and polarity discrimination.

11. Built in standard Chinese character library, using Pinyin Chinese character input method to input Chinese characters/letters/numbers and other stored content.

12. Dual power supply: The measuring end is directly powered by a high-performance lithium battery, and the instrument can work continuously for 10 hours when powered by the lithium battery.

13. Automatic power saving management function, which can automatically shut down or enter sleep mode.

14. Built in memory, capable of storing 4000 sets of measurement data, allowing access to saved data sets and vector graphs.

15. Support data uploading to computers, allowing for direct browsing, export, editing, printing (A4 format), backup, and other functions of instrument data. It can also be exported as standard EXCEL format files and generate experimental reports.

16. The instrument is equipped with USB interface and RS232 interface, and the measurement data can be transferred and stored through a USB flash drive.

17. Optional micro printer for on-site printing of measured data.

18. Equipped with intelligent APP terminal dedicated software to collect real-time on-site data and automatically draw curve graphs for data analysis and management. 24-hour real-time data collection and monitoring of on-site electrical equipment, detecting three-phase load imbalance and load fluctuation process monitoring, displaying voltage deviation, three-phase voltage imbalance rate, and three-phase current imbalance rate.

19. Wireless transmission and communication function: Bluetooth wireless+intelligent APP dedicated software enables data collection, storage, viewing, and analysis on Android handheld terminals. The dedicated APP system software has strong applicability and is suitable for all Android phones, with a graphical Chinese interface and touch operation.

20. The data storage capacity is large, including voltage, current, phase, power, power factor, vector diagram, secondary circuit wiring diagram and other test data. Equipped with data query management function, it can access stored test data including electrical parameters, vector diagrams, wiring diagrams, etc.

21. The detection data can be uploaded and saved in the cloud space, and the backend scheduling center can remotely retrieve the detection data from different locations.

22. The APP application software based on Android system handheld terminal has more powerful functions. The terminal handheld can be used for investigation and evidence collection functions (such as photography, video recording, positioning, etc.), and on-site evidence collection pictures and geographical location data can be remotely read in cloud space.

23. Software lifetime free remote upgrade, SD card expansion storage, multimedia playback, multiple application downloads and installations, system functions can be expanded with software upgrades.

Instrument configuration

　　1. Standard configuration details:

1) 1 host

2) 3 5A clamp current transformers

3) 1 set of voltage testing line

4) 1 power adapter

5) 1 USB flash drive (dedicated software for data collection)

6) 1 copy of product user manual

7) 1 copy of product qualification certificate/warranty card

8) 1 safety waterproof chassis

9) Bluetooth wireless+APP dedicated software (Android system)

10) Tablet handheld device (Android)

　　2. Details of optional accessories (excluding standard quotation):

1) VMP02 Mini Printer

2) Backup lithium battery

3) 20A clamp current transformer

4) 100A clamp current transformer

5) 500A clamp current transformer

6) 1000A clamp current transformer