High Accuracy 3 three Phase Wholesale Price optical digital
Microcomputer Secondary Current Injection Test Set/ Protection
Relay Test set for power disctribution
cabinet Advantage1.It satisfies all requirements of field
test.The tester can simultaneously output standard six-phase
current and six-phase voltage with 30A/phase current and 125V/phase
voltage. Connecting six phase current in parallel can acquire 180A
current. The tester can not only test traditional relays and
protective devices, but also test modern microcomputer-based
protective devices, especially the differential protection of
transformers and automatic switching devices of stand-by power
supply. Testing becomes more convenient and perfect.2. All
technical parameters meet the criteria DL/T624-1997 Technical
Specifications of Test Equipment Based on Micro-computer for
Relaying Protection issued by the Ministry of Electric
Power Industry.3. The host machine, which has embedded high
performance IPC (industrial personal computer), can run
independently with its 300-600MHz main frequency, 128M memory,
6-12G hard disk and Windows XP operating system.4. It was the first
one in the industry to apply imported stainless steel panel,
stainless steel keypad, touch-pad mouse, which overcomes such
defects of trackball mouse as difficulty in operating and prone to
damage. The TFT true color display is employed with a size of 8.4
inch and its resolution being 800×600. Consequently, the overall
operation of the host machine becomes convenient and durable.5. The
main control board is of DSP+FPGA structure, outputting 16 bit DAC,
which may generate 2000 points high density sine wave per week to
fundamental wave, greatly ameliorate the quality of waveform and
improve the accuracy of tester.6. The power amplifier is hi-fi
linear type, which can both guarantee the precision of low current
and the stability of heavy current.7. The device can directly
access to PC machine through USB interface, needless of any patch
cord.8. The device can run by access to notebook computer, which is
installed with a same software, needless to relearn how to
operate.9. The device has GPS synchronous testing function with
embedded synchronization card (matching), which accesses to PC
machine through RS232 interface, so the synchronous testing by
exchanging two testers in different places can be achieved.10. The
tester is equipped with independent special DC with auxiliary
voltage source output, whose output voltages are 110V (1A), 220V
(0.6A), for the purpose of meeting the power need of DC relay or
protective devices.11. The tester has the function of
auto-regulation by software, avoiding the calibration accuracy by
opening cabinet to regulate potentiometer, so the stability of
accuracy is greatly improved.3 phase micro computer protection
relay test setSpecificationAC current output Phase current output
(effective value) 0~40AOutput Precision0.5degree3 phase parallel
current output (effective value) 0~120AA Long-time
Phase current
10AMaximum output power of Phase current
450VAMaximum
output power of 3 parallel current
900VAMaximum
Permitted work time of 3 parallel current
10SFrequency range ( fundamental)
20~1000HzHarmonic
time
2~20DC
current outputCurrent output
0~±10A
/ phase, 0~±30A / 3 parallelOutput Precision 0.5
degreeAC voltage outputPhase voltage output (effective
value) 0~120V Output Precision0.5 degreeLine
voltage output (effective value) 0~240VPhase voltage /
Line phase output power 80VA / 100VAFrequency
range (fundamental)
20~1000HzHarmonic
time 1~20 DC
voltage outputPhase voltage output range
0~±160V Output
Precision0.5 degreeLine voltage output range
0~±320VPhase voltage / Line phase output
power 70VA / 140VA10 path digital input and
8 path digital output Time measuring range
0.1ms ~ 9999saccuracy of
measurement
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