Siemens SIPROTEC 5 Technical Data

Directional Overcurrent Protection, Ground
Stage with Definite-Time Characteristic Curve
Setting Values for the Function Direction Determination
Method for direction determination Zero sequence
Negative sequence
–
Minimum V0 or V2 threshold 0.150 V to 20.000 V 0.001 V
Rotation angle of the reference voltage -180° to 180° 1°
Forward range 0° to 180° 1°
Setting Values
Direction mode Forward
Reverse
–
Method of measurement Fundamental component
RMS value
–
Threshold value 1 A @ 50 and 100 Irated 0.030 A to 35.000 A Increments of 0.001 A
5 A @ 50 and 100 Irated 0.15 A to 175.00 A Increments of 0.01 A
1 A @ 1.6 Irated 0.001 A to 1.600 A Increments of 0.001 A
5 A @ 1.6 Irated 0.005 A to 8.000 A Increments of 0.001 A
Dropout ratio 0.90 to 0.99 Increments of 0.01
Operate delay 0.00 s to 60.00 s Increments of 0.01 s
Dropout delay 0.00 s to 60.00 s Increments of 0.01 s
Dropout
The greater dropout differential (= | pickup value – dropout value |) of the following 2 criteria
applies:
Dropout differential derived from the parameter
Dropout ratio
If this parameter is not available, a dropout ratio of 95 % applies for overcurrent and of 105 % for undercur-
rent functionality.
Minimum absolute dropout differential
Protection-class current transformer 15 mA sec. (I
rated
= 1 A) or
75 mA sec. (I
rated
= 5 A)
Instrument current transformer 0.5 mA sec. (I
rated
= 1 A) or
2.5 mA sec. (I
rated
= 5 A)
Times
The maximum pickup time with operate delay = 0 ms
Approx. 30 ms + OOT at 50 Hz
Approx. 25 ms + OOT at 60 Hz
Extension of the operate time during operation with
inrush-current detection
Approx. 10 ms
Dropout time Approx. 20 ms + OOT
Frequency Operating Range
0.9 ≤ f/f
rated
≤ 1.1 According to specified tolerances
11.11
11.11.1
Technical Data
11.11 Directional Overcurrent Protection, Ground
SIPROTEC 5, High-Voltage Bay Controller, Manual 1149
C53000-G5040-C015-A, Edition 05.2018

Siemens SIPROTEC 5 Specifications

General

Series	SIPROTEC 5
Communication Protocols	IEC 61850, DNP3, Modbus
Cybersecurity	Role-based access control, secure communication
Modular Design	Yes
Hardware Redundancy	Optional
Operating Temperature	-25°C to +70°C
Digital Inputs	Configurable, number depends on I/O modules
Digital Outputs	Configurable, number depends on I/O modules
Analog Inputs	Configurable, number depends on I/O modules
Current Transformer Inputs	Configurable, number depends on I/O modules
Voltage Transformer Inputs	Configurable, number depends on I/O modules
Time Synchronization	IRIG-B, SNTP, PTP
Protection Functions	Overcurrent, Differential, Distance, Over/Under Voltage, Frequency
Housing	19-inch Rack Mount
Dimensions	Depends on module configuration
Weight	Depends on module configuration
Voltage Input	24V DC, 48V DC, 110V DC, 125V DC, 220V DC, 250V DC