Siemens SIPROTEC 4 User Manual

Min/Max Values for Mean Values
Ι
Admd
; Ι
Bdmd
; Ι
Cdmd
;
Ι
1dmd
(positive sequence component);
S
dmd
; P
dmd
; Q
dmd
Fuse Failure Monitor
Operating Modes - in grounded systems
- in resonant-grounded/isolated systems
only for connection of phase-to-ground voltages
Broken-wire Monitoring of Voltage Transformer Circuits
suited for single-, two- or three-pole broken-wire detection of voltage transformer circuits;
only for connection of phase-ground voltages
Local Measured Value Monitoring
Current Asymmetry
Ι
max
/Ι
min
> symmetry factor, for Ι > Ι
Grenz
,
with settable delay time
Voltage asymmetry V
max
/V
min
> symmetry factor, for V > V
Grenz
,
with settable delay time
Total current, quick monitoring function with protec-
tion blockage
| i
A
+ i
B
+ i
C
+ i
E
| > limit value
Current phase sequence Clockwise (ABC)/ counter-clockwise (ACB)
Voltage phase sequence Clockwise (ABC)/ counter-clockwise (ACB)
Limit value monitoring
Ι
A
> limit value Ι
Admd
>
Ι
B
> limit value Ι
Bdmd
>
Ι
C
> limit value Ι
Cdmd
>
Ι
1
> limit value Ι
1dmd
>
Ι
L
< limit value Ι
L
<
cos φ < lower limit | cos φ |<
P > limit value of active power | P
dmd
| >
Q > limit value of reactive poweR | Q
dmd
| >
S > limit value of apparent power S
dmd
>
Druck < lower pressure limit<
Temperature > Temperature limit>
Fault Logging
Recording of indications of the last 25 power system faults
Recording of indications of the last 3 power system ground faults
Time Allocation
Resolution for Event Log (Operational Annunciations)
1 ms
Resolution for Trip Log (Fault Annunciations) 1 ms
Maximum Time Deviation (Internal Clock) 0.01 %
Battery Lithium battery 3 V/1 Ah, Typ CR 1/2 AA
Message “Battery Fault” for insufficient battery charge
Technical Data
4.27 Additional Functions
512 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016

Siemens SIPROTEC 4 Specifications

General

Brand	Siemens
Model	SIPROTEC 4
Category	Protection Device
Language	English