Siemens SIPROTEC 7SJ62 Instruction Manual

Technical Data
10-317SJ62 Manual
C53000-G1140-C121-1
10.12 Voltage Protection (27 and 59)
Setting Ranges /
Resolution
Undervoltage 27-1, 27-2 Measurement Quantities:
PositiveSequence Voltages
- Pickup Voltage, 30 V to 210 V (Increments 1 V)
phase-ground voltages
- Pickup Voltage 30 V to 120 V (Increments 1 V)
phase-phase voltages
Dropout Ratio for 27-1 r = 1.05 to 3.00 (Increments 0.01)
Dropout Ratio for 27-1 r · pickup max. 130 V for phase-phase voltages
max. 225 V for phase-ground voltage
Time Delay 27-Delay 0.00 s to 60.00 s (Increments 0.01 s)
or ∞ (does not expire)
Current Supervision ON/OFF
by 50 Element “BkrClosed I MIN” 0.20 A to 5.00 A
1
) (Increments 0.05 A)
1
)
Overvoltage
59-1
- Pickup Voltage, 40 V to 225 V (Increments 1 V)
phase-ground voltages
- Pickup Voltage, 40 V to 130 V (Increments 1 V)
phase-phase voltages
Time Delay 59-1 Delay 0.00 s to 60.00 s (Increments 0.01 s)
or ∞ (does not expire)
The set time are pure delay times.
Inherent Operating
Times
Pickup Times
– Undervoltage 27-1, 27-2 approx. 50 ms
– Overvoltage 59-1 approx. 50 ms
Dropout Times
– Undervoltage 27-1, 27-2 approx. 50 ms
– Overvoltage 59-1 approx. 50 ms
Dropout Ratios – Dropout / Pickup (Voltage ratio) 27-2 1.05
– Dropout / Pickup (Voltage ratio) 59-1 0.95
Tolerances – Pickup Voltages 3% of set value, or 1V
– Time Delays T 1% of set value, or 10 ms
Influencing Vari-
ables
Power supply DC voltage (V
DC
) in range
0.8 ≤ V
PS
/ V
PS nominal
≤ 1.15 1%
Temperature in range
23º F ≤ ϑ
amb
≤ 131º F 0.3 % /10º F
Frequency in range
0.95 ≤ f/f
N
≤ 1.05 1%
Harmonics
- Up to 10% 3
rd
harmonic 1%
- Up to 10% 5
th
harmonic 1%
1
) For I
N
= 1A, divide the limits by 5.
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Siemens SIPROTEC 7SJ62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ62
Category	Relays
Language	English