JBC-702 Microcomputer Relay Protection Tester

microcomputer based relay protectionTesterIts main characteristics are as follows:

1ClassicWindowsThe operation interface is user-friendly and easy to operate. In order to facilitate user use, a large number of keyboard shortcut keys have been defined, making the operation "one click in place";

2High performance embedded industrial control computers and8.4Large screen high-resolution LCD display can provide rich and intuitive information, including the current working status of the device, next step work prompts, and various help information;

3Equipped with an ultra-thin industrial keyboard and optical mouse, it can operate like a regular mousePCComplete various operations through keyboard or mouse like a machine;

4Equipped with external connectionsUSBInterface, which facilitates data access and software maintenance;

5All projects can be tested without the need for external devices, automatically displaying and recording test data, and completing the depiction of vector diagrams and characteristic curves;

6Adopting high-performance technologyD/AThe converter produces waveforms with high accuracy, good linearity, and excellent transient response and amplitude frequency characteristics. Ensure waveform accuracy and other required indicators throughout the entire measurement range;

7Using a unique algorithm, the generated waveform * is completely different from the waveform generation method of curve fitting, ensuring that the signal is a pure sine wave;

8It can directly output AC voltage, AC current, DC voltage, and DC current, with variable amplitude, phase, and frequency, 2 ～ 20Subharmonic;

9The power amplification part adopts a new high-power high fidelity linear power amplifier circuit, which has high output power, low ripple interference, and can output voltage for each phase120VCurrent output capability40AWhen the output current reaches40AAt this time, the output power can reach450VA/Above that, the waveform can still ensure no distortion or peak clipping;

10Can provide traditionalUa、Ub、Uc、Ia、Ib、IcBesides, there is a fourth wayvoltageUxOutput.UxCan be used for multiple functions, such as outputting various3UoWhen conducting line protection tests, output the synchronous voltage of the line, etc;

11Having8An input quantity input and4Output interface for output of air contact. The input interface can automatically adapt to both passive (air contact) and active inputs, and can also automatically adapt to the polarity of active inputs. When the input voltage is within ±250VCan work normally within the range;

12Provide various automatic testing software modules;

13、GPSSynchronization triggering error is less than50μS；

14It can complete various complex verification tasks, conveniently test and scan various protection settings, store test data in real time, display vector graphics, print reports, etc;

15Adopting a carefully designed chassis structure, with small size, good heat dissipation, light weight, easy portability, and convenient flow testing;

16The instrument has self-protection function, adopts a reasonably designed heat dissipation structure, and has reliable and complete multiple protection measures and power soft start, as well as certain fault self diagnosis and locking functions.

• Specification

  AC Current Source

  1Single phase output:3×40A

  2Three phase parallel connection:120A

  3、 Maximum output power: ≥450VA/each other

  4The amplitude, frequency, and phase of the output current of each phase can be independently adjusted

  5Output accuracy:

  0.1A～0.5A：±10mA

  0.5A～40A：≤±0.5%

  6Resolution:10mA

  7Continuous output time:

  exist 0～10AWithin the range, capable of continuous output

  exist10A～20AWithin the range, continuous output time ≥30second

  exist ＞20AWithin the range, continuous output time ≥5second

  exchangevoltagesource

  1Single phase output:4×120V

  2、 Maximum output power: ≥60VA/each other

  3A voltage source with a shared neutral point for all four phases; The fourth voltage can be set as zero sequence voltage or any other setting

  4The output amplitude, frequency, and phase of each phase can be independently adjusted

  5Output accuracy:

  1V～5V：±10mV

  5V～120V：≤±0.5%

  6Resolution:10mV

  direct-currentelectric currentsource

  1Single phase output:-10A～+10A

  2、 Maximum output power: ≥200VA

  3Output accuracy:

  ±0.5A～±1A：±10mA

  ±1A～±10A：±0.5%

  4Resolution:10mA

  Dc Voltage Source

  1Single phase output:-150V～+150V

  2、 Maximum output power: ≥100VA

  3Output accuracy:

  ±1V～±10V：±10mV

  ±10V～±150V：±0.5%

  4Resolution:10mV

  Angle of AC voltage and current source

  1Phase angle range:0°～ 360°

  2Phase angle accuracy: ≤±0.5°

  3Phase angle resolution:0.1°

  AC voltage and current source frequency

  1Frequency range:1～1000Hz

  2Frequency accuracy: ≤±0.01Hz

  3Frequency resolution:10mHz

  4Can output2～20Harmonics of sub arbitrary amplitude

  synchronism

  Voltage and current synchronicity ≤10μS

  Input volume

  1、8Road independent switch contact input

  2Compatible with air contact points and15V～250VActive contacts, capable of automatically identifying the polarity of active contacts

  3Timing accuracy: within less than1Stime ≤1mS

  output

  1、4Output of programmable switch idle contacts

  2Contact capacity:

  250VDC，0.5A

  250VAC，0.5A

  power supplypower supply

  1Communication input voltage

  Rated value:220V±10%

  Benchmark value:220V±2%

  2Frequency of AC power supply:

  Rated value:50Hz±10%

  Benchmark value:50Hz±2%

  Box size and weight

  1Box size:360mm×190mm×420mm（W×H×D）

  2Weight: Approximately17kg

  Environmental conditions for use

  1Environmental temperature: -10℃～+45℃

  2Relative humidity: ≤90%

  3Atmospheric pressure:80～110kPa