Siemens SIPROTEC 6MD665, Руководство пользователя

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4 Technical Data
128
6MD665 Manual
C53000-G1876-C103-3
4.1 General Device Data
4.1.1 Analogue inputs (optional)
Current inputs
Voltage inputs
Measuring trans-
ducer inputs
Limit range behav-
iour, current
Limit range behav-
iour, voltage
Rated system frequency f
Nom
50 Hz or 60 Hz (adjustable)
Rated current I
Nom
1 A or 5 A
Burden per phase and ground path
– at I
Nom
= 1 A Approx. 0.05 VA
– at I
Nom
= 5 A Approx. 0.3 VA
Current overload capability
– Thermal (rms) 200 A for 1 s
15 A for 10 s
12 A continuous
– Dynamic (peak value) 250 I
Nom
(half-cycle)
Precision
≤
0.5 % of measured value at 50 % to 120 % I
Nom(under
reference conditions)
Secondary nominal voltage 80 V to 125 V
Measuring range 0 V to 170 V
Burden at 100 V Approx. 0.3 VA
Voltage overload capacity
– Thermal (rms) 230 V continuous
Precision
≤
0.5 % of measured value at 50 % to 120 % V
Nom (under
reference conditions)
Input current -20 mA DC to +20 mA DC
Overload capability
±
100 mA continuous
Input resistance 10
Ω
Power input 5.8 mW at 24 mA
Precision < 1 % from rated value
(under reference conditions)
Overflow Phase current > 1.2 x rated current
The derived quantities P, Q, S, cos
Φ
, sin
Φ
and
Φ
also
overflow as a result.
Overflow Secondary input voltage at the device > 120 V
eff
The derived quantities P, Q, S, cos
Φ
, sin
Φ
and
Φ
also
overflow as a result.