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 Digital Protective Relay (Accura 7500) |
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 Specific Features (Harmonic wave is not influenced
by the measurement of basic wave elements)
- Super minute grade at 0.5 class
- Improved withstanding voltage (dielectric strength)
- Built-in Rs485/lrda port
- Simplification of Modbus RTU wiring
- Direct driving of VCB, automatic input of breaker after
power recovery
- Easy separated operation of meter and protection
function
- Prevention of wrong-operation with protection by VCB
On/Off Control Key
- Convenient setting using installed relay element
selector
- Rapid accident analysis by measurement, setting,
analysis, and storage in connection with UMPC
Specification
 Protective relay elements
- OCR, OCGR, UVR, POR, OVGR, SGR
Measurement Part
- Measurement of True RMS and basic wave
- Measurement of voltage, current, electric power,
reactive power, electric energy, reactive electric
energy, power factor, and frequency
- 64 Sample 1 Cycle
- กร Grade 0.5 (IEC 62053-22 Class)
- 2~31 wave harmonic analysis
- Demand measurement
- DC 110V or AC 85~265V
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