Motor Starting Protection 48 - Siemens siprotec SJ62 User Manual

Multi-functional protective relay with local control
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4 Technical Data
4.11

Motor Starting Protection 48

Setting Ranges / Increments
Trip Curve
Dropout Ratio
Tolerances
Influencing Variables
487
Motor Starting Current
I
STARTUP
Pickup Threshold
I
MOTOR START
Permissible Starting Time
T
STARTUP
Permissible Blocked Rotor Time
T
BLOCKED-ROTOR
Dropout ratio
Pickup Threshold
Time Delay
Power Supply DC Voltage in Range
0,8 ≤ V
≤ 1.15
/V
PS
PSNom
Temperature in range
23.00 °F (–5 °C) ≤ Θ
≤ 131.00 °F (55
amb
°C)
Frequency in Range 0.95 ≤ f/f
Harmonics
- Up to 10 % 3rd harmonic
- Up to 10 % 5th harmonic
for I
=
0.50 A to 16.00 A
Nom
1 A
for I
=
2.50 A to 80.00 A
Nom
5 A
for I
=
0.40 A to 10.0 A
Nom
1 A
for I
=
2.00 A to 50.00 A
Nom
5 A
1.0 s to 180.0 s
0.5 s to 120.0 s or ∞ (dis-
abled)
Approx. 0.95
2 % of set value or 10 mA for I
or 50 mA for I
5 % or 30 ms
1 %
0.5 %/10 K
≤ 1.05 1 %
Nom
1 %
1 %
Increments 0.01 A
Increments 0.01 A
Increments 0.1 s
Increments 0.1 s
= 1 A
Nom
= 5 A
Nom
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015

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