Technical Data
10-31
7SJ63 Manual
C53000-G1140-C120-1
10.11 Start Inhibit for Motors (66/68)
Setting Ranges /
Resolutions
Starting Current
I
Start
/I
Motor nom
3.0 to 10.0
(Increments 0.1)
Relative to Nominal Motor Current
Nominal Motor Current
I
Motor nom
1.0 A to 6.0 A
1
)
(Increments 0.5 A)
1
)
Maximum Permissible
T
Start Max
3 s to 120 s
(Increments 1 s)
Starting Time
Temperature
T
Equal
0.0 min to 60.0 min (Increments 0.1 min)
Equalization Time
Maximum Permissible
n
warm
1 to 4
(Increments 1)
Number of Warm Starts
Difference between
n
cold
- n
warm
1 to 2
(Increments 1)
Cold and Warm Starts
Extension K-Factor for
k
τ
-Factor
1 to 10
(Increments 1)
Cooling Simulations of
Rotor at Rest
Restarting Limit
Where:
1
) For I
N
= 1 A, divide all limits by 5.
Θ
RESTART
Θ
Rot.max.perm
n
COLD
1
–
n
C OLD
---------------------------
⋅
=
Θ
Restart
Temperature limit below
which restarting is possible
Θ
Rot.max.perm
maximum permissible motor
over-temperature (= 100 % in
operating measured value
Θ
Rot
/
Θ
Rot trip
)
n
Cold
Number of permissible
restarts from cold state
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Содержание siprotec 7SJ63
Страница 16: ...xiv 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 28: ...Introduction 1 12 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 112: ...SIPROTEC 4 Devices 4 38 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 346: ...Functions 6 182 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 494: ...Technical Data 10 48 7SJ63 Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 604: ...Index Index 6 7SJ63 Instruction Manual C53000 G1140 C120 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...