Siemens SIPROTEC 7SJ62 Instruction Manual

Technical Data
10-197SJ62 Manual
C53000-G1140-C121-1
10.5 Dynamic Cold Load Pick-up Function (50c, 50Nc, 51Nc, 67c, 67Nc)
Timed Changeover
of Settings
Controlled Elements Directional and non-directional time over-
current protective elements (separate
phase andground settings)
Initiation Criteria Current Criteria“BkrClosed I MIN” or
Binary input controlled, for example, by
52/b contact
Timing 3 time levels (T
CB Open
, T
Active
, T
Stop
)
Current Control Current threshold “BkrClosed I MIN”
(reset on current falling below threshold:
monitoring with timer)
Adjustment Rang-
es/ Resolution
Current Control“BkrClosed I MIN” 0.20 A to 5.00 A
1
) (Increments 0.05 A)
1
)
Time Until Changeover T
CB Open
0 s to 21600 s (= 6 h) (Increments 1 s)
To Dynamic Settings
Period Dynamic T
Active
4 s to 21600 s (= 6 h) (Increments 1 s)
Settings are Effective
After a Reclosure
Fast Reset Time T
Stop
1 s to 600 s (= 10 min) (Increments 1 s)
or ∞ (fast reset inactive)
Dynamic Settings of Pickup Adjustable within the same ranges
1
)
Currents and Time Delays and with the same increments
1
) as
or Time Multipliers the directional and non-directional time
overcurrent protection
1
) For I
N
= 1 A, divide all limits and increments by 5.
10.6 Inrush Restraint
Controlled Elements All 50, 50N, 51, 51N, 67, and 67N Elements
Adjustment Rang-
es/ Resolution
Stabilization Factor I
2f
/I 10 % to 45 % (Increments 1 %)
Second Harmonic
Function Limits
Crossblock
Lower Function Limit at least one phase current ≥ 1.25 A
1
)
Upper Function Limit, Adjustable 1.50 A to 125.00 A
1
)(Increments 0.05 A)
1
)
Crossblock I
a
, I
b
, I
c
ON/OFF
1
) For I
N
= 1 A, divide all limits and increments by 5.
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Siemens SIPROTEC 7SJ62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ62
Category	Relays
Language	English