4 Phrase Instrument Calibration Test Equipment , DC Multifunction Tester Calibration

4 Phrase Instrument Calibration Test Equipment , DC Multifunction Tester Calibration

XL-3234 four-phase arbitrary waveform power source (hereinafter referred to as XL3234) can output four-phase AC voltage and four-phase AC current. Both voltage and current can output DC, square wave, triangle wave, sine wave, harmonic superposition, fundamental wave. Superimposed low frequency oscillation, custom waveform, various types of waveform stitching output and other functions, -3dB bandwidth up to 10KHz. It can be used in applications requiring complex power waveform signal output, such as dynamic performance detection, transformer detection, harmonic analysis, etc. of the energy meter.
With this arbitrary waveform power source, it is easy to do many things that could not be done before, such as: dynamic performance test of electric energy meter; performance test of sampling equipment under various complicated waveform conditions; High-precision signal waveforms obtained on standard sources.

1. Function introduction

The operation interface of the XL-1221 standard source application software uses a graphical interface, which is easy to operate and beautiful. Through the software, the user can conveniently control the source to output any desired power waveform signal, such as
1) DC output;
2) with pulsating DC voltage and current;
3) square wave output;
4) triangular wave output;
5) Power frequency signal output;
6) Power frequency superposition up to 2-21 harmonic output;
7) manually draw the waveform output;
8) Support single-cycle waveform output and repeated output;
9) Support formula input and generate waveforms;

2. Main features

1) XL-3234 is a new generation of high precision standard power source based on high speed DSP, large scale FPGA, high speed and high precision DA collector and high performance power amplifier. Applicable to power quality monitoring, transformer testing, harmonic analysis and other occasions requiring high-precision variable frequency power signals and harmonic output;
2) XL-3234 has powerful harmonic output performance, voltage and current can output harmonics of 2-21 times of power frequency, -3dB bandwidth up to 20KHz, can simulate various dynamic performance waveforms of electric energy meter in practical application. ;
3) XL-3234 also provides a rich and powerful waveform editing function, the user can realize the output of the hand-drawn waveform through the control software;
4) XL-3234 is suitable for output applications that require complex waveform signals and can load a certain amount of power.
5) XL-3234 supports comtrade recording playback function, which can reproduce the live signal very conveniently.

3. Technical indicators

No. Name Indicator range Remarks
1 phase four phase voltage
2 The minimum voltage per phase is 100VA, which is both a standard voltage regulator and a power source. The three-phase voltage (Ua, Ub, Uc) output stability range (30V-450V) reaches 100VA.
3 voltage position 100V, 220V, 380V
4 Voltage analog output range (4 channels) (phase voltage): 0-450V, each channel power is not less than 100VA, phase: 0-360° Voltage is not considered to output DC attenuation wave, terminals are Ua, Ub, Uc, Un, U0, U0n
5 Voltage analog output stability Four-way voltage: (30V-350) ≤ ± 0.02% RG
(350-450V) ≤±0.5% RG, one of which has zero-sequence voltage: (0.3-8V) ≤±0.02% RG The zero-sequence voltage requirement is (6.5/3)*(0.05-1.2), and the voltage is above 350V. Running time can be up to 1min
Zero sequence 0.3-8V
6 phase voltage symmetry ≤±0.5% RG
7 phase symmetry of phase ≤0.5°
8 Voltage output waveform distortion ≤±0.2%
9 Voltage measurement accuracy Three-way (30-350V) ≤ ±0.5% RG
The accuracy of the zero sequence voltage is 30-350V and (0.3-7V) ≤ ±0.5% RG
7V-30V≤±0.1% RG Zero-sequence voltage accuracy can be satisfied
10 voltage harmonic measurement times: 2-21
Amplitude: 0-40% fundamental amplitude
Accuracy (harmonic effective value error / fundamental effective value) ≤ ± 0.2%
11 voltage rise and fall response time
<100uS
Note: In order to ensure the output accuracy, the output current needs to be kept within the limit. Otherwise, the accuracy may not reach the index requirement. 198V, 396V

Shenzhen Xinglong Technology Co., Ltd. was established in 2004, is located in the Nanshan District, Shenzhen high tech Industrial Park, is a professional engaged in the Smart Substation detection equipment R & D, production and sales of national key high-tech enterprise (certificate number: GF201244200546). Attention to intelligence (in the field of digital substation testing technology research, from the beginning of 2009 will be gradually introduced various types of testing equipment, including electronic transformer calibrator, digital electric energy meter calibrator (check), with unit testing instrument, and wisdom to substation field testing and acceptance of the project provides the means and tools. Companies actively involved in the development of a number of national standards, to help power companies to solve some of the problems in the field of intelligent substation testing industry technology.

- SYN is a technology started the company, our unremitting pursuit of technology embodied in products of excellent performance, company's substation intelligent test series products has 26 provinces in the country get successful application, and successfully applied to the "China Electric Power Research Institute (EPRI)", "Chinese Academy", "national high voltage metering station" national level institutions.

The company established a complete quality control system and after-sales service system, as of the end of 2014 the company engineering staff has been involved in the testing of more than 100 National Smart substations, for users to solve a lot of technical problems.

Company has won 7 provincial and ministerial science and technology award, the product has laid a good reputation in the industry.

2014 August Xinglong technology successfully in the shares of small and medium-sized enterprises transfer system (the new board) listing (Stock Code: 830924 and become a public company.

Syn can not develop without the support from all sectors of society, we warmly welcome domestic and foreign customers, agents, investors and our sincere cooperation, common development. The future of the company will be with the national system for the transfer of shares in the capital market platform, efforts to technology upgrades and new product research and development, with three to five years to intelligent substation test products to cover all aspects of the smart substation. Strive to become a benchmark for the field of intelligent substation testing business, for the construction and development of China's smart grid to contribute their own diligence and wisdom.