This equipment has a 6 phase voltage and 6 phase current shaft, which is suitable for various types of relay protection device test. The six-phase electric protection tester can output 120V per phase voltage, 30A per phase current, and 180A in parallel with six-phase current. The instrument uses high-performance industrial computer as a control computer and directly runs Windows operating system. The device panel has 10.4 inch LED display screen, touchpad mouse and optimized keyboard, and can be used directly without external mouse or keyboard. The backplane of the device is equipped with USB port, communication port, etc., which can facilitate data access, data communication and software upgrade.

Product features:
1, meet the test requirements of the site, the instrument has a standard six-phase voltage, six-phase current output, both the traditional relay and protection devices can be tested, but also a variety of modern computer protection for various tests, especially for transformer differential protection and self-feeding devices, more convenient test.
2, meet the national standard GB/T 7261-2016 "Basic test method for relay protection and safety automatic device", meet the national standard DL/T624-2010 "Technical Conditions for microcomputer test device for relay protection" standards.
3, classic Windows XP operating interface, human-machine interface friendly, easy and fast operation; High-performance embedded industrial control computer and 10.4 inch resolution 800x600 LED true color display, can provide rich intuitive information, including the current working status of the equipment and various help information.
4, the local Windows XP system comes with recovery function to avoid system crash caused by illegal shutdown or misoperation.
5, the device panel is equipped with ultra-thin multi-function quick button and photoelectric mouse, which can complete various operations by keyboard or mouse like ordinary PC.
6, the main control board adopts DSP+FPGA structure, 16-bit DAC output, the basic wave can produce 2000 points per week of high-density sine wave, greatly improving the quality of the waveform, improve the accuracy of the tester.
7, the power amplifier adopts high fidelity linear power amplifier, which not only ensures the accuracy of small current, but also ensures the stability of large current.
8, US8 interface directly and PC communication, without any conversion cable, easy to use.
9. It can be connected to a laptop (optional). The laptop computer and the industrial computer use the same set of software, there is no need to re-learn the modeling method.
10, equipped with independent dedicated DC auxiliary voltage source output, the output voltage is 110V(1A), 220V(0.6A). For use with relays or protection devices that require DC operating power.
11, with the software self-calibration function, avoid to open the chassis by adjusting the potentiometer to calibrate the accuracy, thus improving the accuracy and stability.

Technical parameter
1 AC current source: (6*30A)
Single-phase current output (RMS) : 0--30A/ phase, accuracy: 0.2% ±5mA
Six phase parallel output (effective value) : 0--180A/ six parallel output with the same phase
Phase current long time allowable working value (effective value) : 9.9A
Output power per phase: 320VA
Six-phase parallel current output power: 1800VA
Six and current output allowable working time: 5s
Frequency range: 0-1000Hz, accuracy: 0.001Hz
Harmonic frequency: 2--20 times
Phase: 0--360°, accuracy 0.1°
 
2. Dc current source
Dc current output: 0--±10A/ phase, accuracy: 0.5% ±5mA
 
3. Ac voltage source
Single phase voltage output (RMS) : 0--120V/ phase, accuracy: 0.2% ±5mV
Line voltage output (RMS) : 0-240V
Phase voltage/Line voltage output power: 75VA/100VA
Frequency range: 0--1000Hz, accuracy: 0.001Hz
Harmonic frequency: 2--20 times
Phase: 0--360°, accuracy: 0.1°
 
4. Dc voltage source
Single-phase voltage output amplitude: 0--±160V, accuracy: 0.2% ±5mV
Line voltage output amplitude: 0--±320V
Phase voltage/Line voltage output power: 90VA/180VA
 
5. Switching terminal
Switch input terminals: 8 pairs
Air contact: 1--20mA, 24V device internal active output
Potential reversal: Passive contact: low resistance short-circuit signal
Active contact: 0-250V DC
Switching output terminal: 4 pairs, empty contact, breaking capacity: 110V/2A, 220V/1A
 
6. other
Time range: 1ms--9999s, measurement accuracy: 1ms
Single volume weight: volume 418x 363 x 208mm3, about 17.8Kg
Power supply: AC220V±10%, 50Hz, 10A

7. Ac current working time
Working current <10A: working time ≤60 minutes
20A> Working current ≥10A: working time ≤70S
30A> Working current >20A: working time ≤15S
Working current :30A: working time ≤5S