DRJB6000 Six-Phase Microcomputer Relay Protection Tester - Yangzhou Darui
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1.DRJB6000 Six-Phase Microcomputer Relay Protection Tester has standard six-phase current and six-phase voltage simultaneous output, current 30A/phase, voltage 125V/phase. Six-phase current in parallel can reach 180A. It can test various traditional relays and protection devices, as well as various modern microcomputer protections. Especially for transformer differential protection and standby power supply automatic switching devices, the test is more convenient and *.
2、Equipped with a dedicated independent DC auxiliary voltage source output, with output voltages of 110V(1A) and 220V(0.6A) respectively. It is used to provide DC working power for relays or protection devices that require it. It has software self-calibration function, avoiding the need to open the chassis to adjust potentiometers for calibration accuracy, thereby greatly improving the stability of accuracy.
Technical Parameters:
AC/DC Current Source
AC output maximum current: 6×30A/phase; maximum output power: ≥450VA/phase;
Output accuracy: 0.2% (0.2-30A), <1mA (1-200mA);
DC output DC current 6×0~20A/phase; accuracy: 0.2%.
AC/DC Voltage Source
AC output maximum voltage (RMS): 6×125V/phase; maximum output power (at rated voltage): ≥75VA/phase;
Output accuracy: 0.1% (0.5-125V); resolution: 1mV; voltage rise and fall time less than 100µS;
DC output DC voltage 6×0~150V/phase; accuracy: 0.5%; resolution: 1mV;
Capacity: 100W continuous operation; two phases in series can reach 0~300V.
Synchronization: voltage and current synchronization ≤100μS.
Inputs and time: 8 pairs of independent non-polarized input terminals, dry contacts or 0~250V potential.
Outputs: 4 groups of programmable auxiliary contacts; contact capacity: 0~250V, 0.5A.
The six-phase relay protection tester uses a new generation of high-speed DSP digital signal processor as the core, adopts dual 12-bit six-phase microcomputer relay protection tester DAC, applies full-fidelity high-performance linear amplifiers, with high output accuracy and good waveform, and stable performance. It can conveniently test standby power supply automatic switching devices and microcomputer differential protection devices, and has targeted calibration programs for various relays. Automatic test programs: line protection, differential protection, impedance protection, low frequency, synchronization, standby power supply automatic switching, etc. Various fault simulation programs can truly simulate and replay various actual faults, transient processes, system oscillations, and reclosing action behaviors on site.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
