Siemens 6MD85, Manual

Page: 844 / 1256

Settings
Addr. Parameter C Setting Options Default Setting
General
_:18121:101 General:Minimum
voltage 0.300 p.u. to 0.900 p.u. 0.700 p.u.
_:18121:103 General:Power criterion
•
no
•
yes
yes
_:18121:104 General:Min. current
(power crit.) 0.020 p.u. to 0.200 p.u. 0.050 p.u.
_:18121:115 General:Positive power
direction
•
inv. to CT neu.pnt sett.
•
acc. to CT neu.pnt sett.
inv. to CT
neu.pnt sett.
_:18121:106 General:Phi (power crite-
rion) -30° to 30° -5°
_:18121:107 General:df/dt-rising blk.
criterion
•
no
•
yes
no
_:18121:108 General:df/dt-rising blk.
threshold 0.1 Hz/s to 20.0 Hz/s 1.0 Hz/s
_:18121:109 General:df/dt-falling blk.
criterion
•
no
•
yes
no
_:18121:110 General:df/dt-falling blk.
threshold 0.1 Hz/s to 20.0 Hz/s 3.0 Hz/s
_:18121:111 General:df/dt measuring
window 2 periods to 5 periods 5 periods
_:18121:112 General:df/dt dropout
differential 0.02 Hz/s to 0.99 Hz/s 0.10 Hz/s
_:18121:113 General:f< stabilization
counter 1 to 20 6
Stage 1
_:18151:1 Stage 1:Mode
•
off
•
on
•
test
off
_:18151:2 Stage 1:Operate &
flt.rec. blocked
•
no
•
yes
no
_:18151:3 Stage 1:Threshold 40.00 Hz to 70.00 Hz 49.00 Hz
_:18151:5 Stage 1:Dropout differ-
ential 20 mHz to 2000 mHz 20 mHz
_:18151:6 Stage 1:Operate delay 0.00 s to 60.00 s 0.10 s
Information List
No. Information Data Class
(Type) Type
General
_:18121:501 General:>Activate all stages SPS I
_:18121:300 General:V1< block SPS O
_:18121:301 General:Power crit. blocking SPS O
_:18121:302 General:I1< blocking SPS O
_:18121:303 General:df/dt-rising blocking SPS O
_:18121:304 General:df/dt-falling blocking SPS O
_:18121:305 General:df/dt MV O
7.20.5
7.20.6
Protection and Automation Functions
7.20 Underfrequency Load Shedding
844 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017