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| whgdmk12345 |
Postato il 01/09/2023 : 02:27:24
https://www.mktester.com/relay-protection-tester/microcomputer-relay-protection-tester.htmlOverview#65306;
Microcomputer relay protection tester also known as three-phase microcomputer relay protection tester, three-phase microcomputer relay protection tester is a special power relay protection tester.Three-phase microcomputer relay protection tester has 4 phase voltage 3 phase current output, suitable for various types of relay protection device test.Three-phase microcomputer relay protection tester adopts high speed and high performance digital control processor as control microcomputer, and the software uses double precision algorithm to generate arbitrary high precision waveform of each phase.Because of the integrated structure, each part is closely combined, the data transmission distance is short, and the structure is compact.It overcomes the problem of low number of output waveform points caused by long data communication line and narrow frequency band in the measurement and control instrument directly controlled by laptop computer.
Technical parameter :
AC current output
Output accuracy #8804;0.5A ±2mA
#65310;0.5A 0.2%
Phase current output (effective value) 0#65374;40A
Three merge current output (effective value) 0#65374;120A
Phase electric length time allows work value (effective value) 10A
Phase current maximum output power 420VA
Maximum output power at the maximum output of three 900VA
Working time is allowed when the maximum output of the three mesh is output 10s
Frequency range (fundamental) 20#65374;1000Hz
Harmonics 1 ~ 20 times
AC voltage output
Output accuracy Level 0.2
Phase voltage output valid value 0#65374;120V
Line voltage output valid value 0#65374;210V
Maximum voltage output value 0#65374;240V
Phase voltage / line voltage output power 80VA /100VA
Frequency range (fundamental) 20#65374;1000Hz
Harmonics 1 ~ 20 times |
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