Siemens SIPROTEC 7VU681, User Manual

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Technical Data
4.3 Functional Data
SIPROTEC, 7VU681, User Manual
C53000-G1176-C368-1, Release Date 07.2012 97
4.3.2 Protection
4.3.3 Electrical Tests
Immunity test
EMC tests for interference emission
Frequency Tolerance 50Hz, Frequency Range: 20Hz~66Hz
60Hz, Frequency Range:25Hz~66Hz
Pick-Up Time < 50ms
Delay Time tolerance < 10ms
Voltage Tolerance 1%Uset or 0.5V
Current Tolerance 1%Iset or 0.01In
Current Dropout Value Approx. 0.95 Iset or 0.015In
External BI filter time 10ms
Standards: IEC 60255-6 and -22
EN 60082-6-2
High frequency test
IEC 60255-22-1, class III 2.5 kV (peak); 1 MHz;
τ
= 15
μ
s; 400 surges per s; test
duration 2s; R
i
= 200
Ω
Electrostatic discharge
IEC 60255-22-2 class IV
IEC 61000-4-2, IV 8 kVcontact discharge; 15 kV air
discharge; both polarities;
150 pF; R
i
= 330
Ω
Irradiation with RF field,
frequency sweep,
IEC 60255-22-3,
IEC 61000-4-3 class III 10 V/m and 20 V/m; 80 MHz to 1000 MHz; 80 % AM; 1
kHz
10 V/m; 800 MHz to 960 MHz; 80 % AM; 1 kHz
20 V/m; 1,4 GHz to 2,0 GHz; 80 % AM; 1 kHz
Fast transients interference, bursts
IEC 60255-22-4 and
IEC 61000-4-4, class IV 4 kV; 5/50 ns; 5 kHz;
burst length = 15 ms;repetition rate 300 ms; both
polarities
; R
i
= 50
Ω
; test duration 1 mIn
High-energy surge voltages
(SURGE), IEC 61000-4-5, installation
class III Impulse: 1.2/50
μ
s
Auxiliary supply Common (longitudinal) mode:2 kV; 12
Ω
; 9
μ
F
Differential (transversal) mode:1 kV; 2
Ω
; 18
μ
F
Analog inputs, binary inputs,
binary outputs Common (longitude) mode: 2 kV; 42
Ω
; 0.5
μ
F
Differential (transversal) mode: 1 kV; 42
Ω
; 0.5
μ
F
Line-conducted HF, amplitudemodulated
IEC 61000-4-6, class III 10 V; 150 kHz to 80 MHz; 80 % AM; 1 kHz
Fast transient surge withstand
capability, ANSI/IEEE C37.90.1 4 kV; 5/50 ns; 5 kHz; burst 15 ms;
repetition rate 300 ms;
both polarities; duration 1 min.;
Ri=80
Standards
： EN 61000-6-3