Table. 5.4.17 - 161. Settings of the motor status monitoring function and how they are shared by other protection functions.
Name
Range
Step
Default
Prot.funcs.
Description
Motor In
Scaled
0.1...40.0xI
n
0.1xI
n
-
- motor status
monitoring
- machine
thermal
overload
protection
(TM>; 49M)
- motor start/
locked rotor
monitoring
(Ist>; 48/14)
- non-
directional
undercurrent
protection (I<;
37)
- mechanical
jam protection
(Im>; 51M)
The motor's nominal current scaled to per unit. If the user
selects
Object In in the CT settings, this value should be
1.00. If scaled to the CT nominal, this value may vary.
Motor In
A
0.1 ...
5000.0A
0.1A
-
- motor status
monitoring
- machine
thermal
overload
protection
(TM>; 49M)
- motor start/
locked rotor
monitoring
(Ist>; 48/14)
- non-
directional
undercurrent
protection (I<;
37)
- mechanical
jam protection
(Im>; 51M)
The motor's nominal current in amperes.
Nominal
starting
current
0.1…40.0xI
n
0.1xI
n
6.0xI
n
- motor status
monitoring
- machine
thermal
overload
protection
(TM>; 49M)
- motor start/
locked rotor
monitoring
(Ist>; 48/14)
- mechanical
jam protection
(Im>; 51M)
The motor's locked rotor current with the nominal voltage.
This setting is used for automatic curve selection and
calculation. Also, the nominal starting capacity calculation
is based on this value.
Nominal
starting
current
A
0.1...5000.0A 0.1A
-
- motor status
monitoring
- machine
thermal
overload
protection
(TM>; 49M)
- motor start/
locked rotor
monitoring
(Ist>; 48/14)
- mechanical
jam protection
(Im>; 51M)
The motor's locked rotor current in amperes.
Genera
Generattor Commander
or Commander
Instruction manual
Version: 2.07
© Arcteq Relays Ltd
IM00001
199
Summary of Contents for Generator Commander
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