Siemens siprotec SJ62, Руководство пользователя

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4.1 General Device Data
444
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
4.1 General Device Data
4.1.1 Analog Inputs
Current Inputs
1)
only in models with input for sensitive ground fault detection (see ordering data in Appendix
A.1)
Voltage Inputs
Measuring Transducer Inputs (7SJ63 only)
Nominal Frequency f
Nom
50 Hz or 60 Hz (adjustable)
Nominal Current I
Nom
1 A or 5 A
Ground Current, Sensitive I
Ns
≤
linear range 1.6 A
1)
Burden per Phase and Ground Path
- at
I
Nom
= 1 A
- at I
Nom
= 5 A
- for sensitive ground fault detection at 1 A
Approx. 0.05 VA
Approx. 0.3 VA
Approx. 0.05 VA
Current overload capability
- Thermal (rms)
- Dynamic (peak value)
100·
I
Nom
for 1 s
30·
I
Nom
for 10 s
4· I
Nom
continuous
250·
I
Nom
(half-cycle)
Current overload capability for high-sensitivity input
I
Ns
1)
- Thermal (rms)
- Dynamic (peak value) 300 A for 1 s
100 A for 10 s
15 A continuous
750 A (half-cycle)
Nominal Voltage 100 V to 225 V (adjustable)
Measuring Range 0 V to 170 V
0 V to 200 V (7SJ64 only)
Burden at 100 V Approx. 0.3 VA
AC Voltage Input Overload Capacity
– thermal (rms) 230 V continuous
Input Current 0 mA DC to 20 mA DC
Input Resistance 10
Ω
Power Consumption 5.8 mW at 24 mA