Motor (Motor Starting Protection 48, Motor Restart Inhibit 66); Settings - Siemens siprotec SJ62 User Manual

2 Functions
2.8.3

Motor (Motor Starting Protection 48, Motor Restart Inhibit 66)

2.8.3.1

Settings

Addr. Parameter
4101 FCT 48/66
4102 STARTUP CURRENT
4103 STARTUP TIME
4104 LOCK ROTOR TIME
4301 FCT 66
4302 IStart/IMOTnom
4303 T START MAX
4304 T Equal
4305 I MOTOR NOMINAL
4306 MAX.WARM STARTS
4307 #COLD-#WARM
4308 Kτ at STOP
4309 Kτ at RUNNING
4310 T MIN. INHIBIT
169
Functions Motor Starting Protection and Restart Inhibit for Motors associated with
motor protection are described in the previous two sections and contain information
concerning configuration.
The table indicates region-specific default settings. Column C (configuration) indicates
the corresponding secondary nominal current of the current transformer.
C Setting Options
OFF
ON
1A 0.50 .. 16.00 A
5A 2.50 .. 80.00 A
1.0 .. 180.0 sec
0.5 .. 120.0 sec; ∞
OFF
ON
1.10 .. 10.00
3 .. 320 sec
0.0 .. 320.0 min
1A 0.20 .. 1.20 A
5A 1.00 .. 6.00 A
1 .. 4
1 .. 2
0.2 .. 100.0
0.2 .. 100.0
0.2 .. 120.0 min
Default Setting
OFF 48 / 66 Motor (Startup
Monitor/Counter)
5.00 A Startup Current
25.00 A
10.0 sec Startup Time
2.0 sec Permissible Locked Rotor
Time
OFF 66 Startup Counter for
Motors
4.90 I Start / I Motor nominal
10 sec Maximum Permissible
Starting Time
1.0 min Temperature Equalizaton
Time
1.00 A Rated Motor Current
5.00 A
2 Maximum Number of
Warm Starts
1 Number of Cold Starts -
Warm Starts
5.0 Extension of Time Con-
stant at Stop
2.0 Extension of Time Con-
stant at Running
6.0 min Minimum Restart Inhibit
Time
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
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