MC-DLJL Portable Waveform Recorder

MC-DLJL Portable Waveform Recorder

Model: MC-DLJL Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

Category: Power Quality, Harmonic Analyzer

Keywords: MC-DLJL Portable Waveform Recorder

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Product Overview

The waveform recorder is a transient signal recording instrument developed specifically for power system applications. Its built-in software comes preloaded with test templates tailored for generator commissioning, enabling users to easily perform a wide range of tests using the recorder, including short-circuit characteristic tests, no-load characteristic tests, excitation system disturbance tests, 10% step response tests of the excitation system, demagnetization time constant measurements, verification of automatic synchronizing devices, and load rejection recordings for generating units.

The instrument is equipped with a comprehensive suite of software modules that enable users to perform graphical analysis, composite operations, RMS value calculation, AC power calculation, three-phase symmetry analysis, spectrum analysis, harmonic analysis, curve correlation analysis, graphic editing, and phasor diagram plotting, among other functions. Test data and analysis results can be exported as Word or Excel reports, or as JPG images via the software, facilitating in-depth analysis and processing of the test outcomes.

The instrument features 12 analog input channels, 12 active digital input channels, and 3 relay output channels, with a maximum sampling rate of up to 100 kHz, which is sufficient to meet the transient signal recording requirements for various tests in power systems. In addition, all analog channels are electrically isolated from one another to prevent connection issues between different potential points during testing that could lead to failures in the device under test.

Product Features

The instrument is equipped with a powerful software system that provides a wide range of functionalities, including data acquisition, compressed data storage, waveform analysis and statistics, graphical plotting tools, spectrum analysis tools, waveform combination and operation tools, harmonic analysis, RMS calculation, power calculation, three-phase symmetry analysis, and phasor diagram tools. Its key features can be summarized as follows:

1. Real-time plotting of test curves, along with a variety of curve analysis tools that allow users to freely zoom and pan the curves.

2. The waveform displayed on the oscilloscope can be edited, including adding custom labels and changing colors, to facilitate the preparation of test reports.

3. A spectrum analysis tool is provided, enabling users to easily obtain the frequency spectrum plot of a signal.

4. You can freely select any signal as the X-axis and Y-axis to plot the relationship curve of the signals.

5 provides a harmonic analysis tool that can perform harmonic analysis on acquired signals, with a maximum harmonic order of 1024.

6. The combined arithmetic operation tool enables users to perform operations such as addition, subtraction, multiplication, division, and integration on the acquired signals.

7 Calculate the root mean square value and power of the selected channel signal.

8 Power and Symmetry Analysis of the Selected Three-Phase Signals

9. Plot the phasor diagram of the selected signal

10. Select the channel signal type via software: DC instantaneous value or AC RMS value.

11. The system is equipped with standard test templates for the generator’s three-phase short-circuit characteristic curve, no-load characteristic curve, excitation system disturbance test, field-weakening time constant, frequency-voltage characteristic, load rejection test, and self-synchronizing synchronization test, with software automatically calculating the corresponding test result parameters.

12. The instrument can automatically generate WORD test reports and Excel test reports.

13. The test report automatically labels the curves, enabling fully automated test report generation.

14. The names and units of all sampling channels can be redefined.

15. Automatic saving of test environment and instrument settings for all types of tests

16 Automatic calculation of test parameters for various test templates

17 Simple and Convenient Channel Filtering Methods

18. Conveniently export test data using storage devices such as USB flash drives or portable hard drives.

The Windows XPE operating system enables self-protection and recovery of the software system, thereby preventing virus intrusion and damage.

20. Implements anti-shake processing to prevent user errors.

Technical Specifications

1. Twelve channels for low-voltage/current analog signal acquisition, with voltage input ranges of –10 V to 10 V, –200 V to 200 V, and –400 V to 400 V; current input range of –20 mA to 20 mA; and one analog channel with an input range of –100 mV to 100 mV (the maximum allowable input voltage for the 100-mV channel is less than 10 V).

2. Voltage channel input range and selection of voltage or current signal type, configured via software.

3 Signal acquisition error: -400 V to 400 V, error < 0.5 V

-200 V to 200 V, accuracy < 0.2 V

-10 V to 10 V, error < 0.01 V

-20 mA to 20 mA, error < 0.02 mA

-100 mV to 100 mV, with an error of less than 0.2 mV

4. Twelve-channel active-node digital signal measurement channels, with a digital signal range of DC 12–220 V.

5. Three-channel digital output, with a maximum breaking capacity of AC 220 V/1 A.

6. Split-type chassis design, with an operator terminal that enables more convenient control of experiments and data analysis.

7. Two USB ports for data download or keyboard/mouse input.

8. 12.1-inch large color display with touch-screen interface for human-machine interaction.

9. The instrument comes with 8 GB of data storage.

10. Input Impedance of Sampling Channels

-10 V to 10 V voltage range, input impedance of 820 kΩ

-200 V to 200 V voltage range, input impedance of 820 kΩ

-400 V to 400 V voltage range, input impedance of 820 kΩ

-20 mA to 20 mA current range, input impedance of 50 ohms

-100 mV to 100 mV voltage range, input impedance > 10 MΩ

MC-DLJL Portable Waveform Recorder

MC-DLJL Portable Waveform Recorder

Model: MC-DLJL Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

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Tel： 86-13307164232

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