Table of Contents
Advertisement
Specifications of the Measured Value Acquisition
Phase and Ground Current Measuring
Frequency Range:
Accuracy:
Amplitude Error if I < In:
Amplitude Error if I > In:
Amplitude Error if I > 2 In:
Harmonics:
Frequency Influence:
Temperature Influence:
*3
)
For earth current sensitive the precision does not depend on the nominal value but is referenced to 100 mA (with In =1 A) respectively. 500 mA
(with In = 5 A)
Phase-to-ground and Residual Voltage Measurement
Frequency Range:
Accuracy for measured values:
Amplitude error for V<Vn:
Amplitude error for V>Vn:
Accuracy for calculated values:
Amplitude error for V<Vn:
Amplitude error for V>Vn:
Harmonics:
Frequency influence:
Temperature influence:
Frequency measurement
Nominal frequency:
Precision:
Voltage dependency:
EMR-4000
50 Hz / 60 Hz ± 10%
Class 0.5
±0.5% of the rated current
±0.5% of the measured current
±1.0% of the measured current
Up to 20% 3rd harmonic ±2%
Up to 20% 5th harmonic ±2%
<±2% / Hz in the range of ±5 Hz of the configured nominal frequency
<±1% within the range of 0°C to +60°C (+32°F to +140°F)
50 Hz / 60 Hz ± 10%
Class 0.5
±0.5% of rated voltage or ±0.5 V
±0.5% of measured voltage or ±0.5 V
Class 1.0
±1.0% of rated voltage or ±1 V
±1.0% of calculated voltage or ±1 V
Up to 20% 3rd harmonic ±1%
Up to 20% 5th harmonic ±1%
<±2% / Hz in the range of ±5 Hz of the configured nominal frequency
<±1% within the range of 0°C up to +60°C
50 Hz / 60 Hz
±0.05% of fn within the range of 40-70 Hz at voltages >50 V
frequency acquisition from 0.15 x Vn
www.eaton.com
*3)
*3)
*3)
IM02602009E
847
Advertisement
Table of Contents
