Schweitzer Engineering Laboratories SEL-351-5, Инструкция по эксплуатации

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9.26
SEL-351-5, -6, -7 Relay Instruction Manual
Date Code 20070117
Setting the Relay
Relay Word Bits (Used in SEL
OGIC
Control Equations)
23 81D1T Level 1 definite-time frequency element 81D1T timed out
(derived from 81D1; see
Figure 3.31 )
Tripping, Control
81D2T Level 2 definite-time frequency element 81D2T timed out
(derived from 81D2; see
Figure 3.31 )
81D3T Level 3 definite-time frequency element 81D3T timed out
(derived from 81D3; see
Figure 3.31 )
81D4T Level 4 definite-time frequency element 81D4T timed out
(derived from 81D4; see
Figure 3.31 )
81D5T Level 5 definite-time frequency element 81D5T timed out
(derived from 81D5; see
Figure 3.31 )
81D6T Level 6 definite-time frequency element 81D6T timed out
(derived from 81D6; see
Figure 3.31 )
VPOLV Positive-sequence polarization voltage valid (see Figure 4.21 ) Testing
LOP Loss-of-potential (see Figure 4.1 ) Testing, Special direc-
tional control schemes
24 SFAST f
P
> f
S
(frequency V
P
> frequency V
S
; see Figure 3.26 ) Special Control Schemes
SSLOW f
P
≤
f
S
(frequency V
P
≤
frequency V
S
; see Figure 3.26 )
IN106 Optoisolated input IN106 asserted (see Figure 7.1 ) Circuit breaker status,
Control via optoisolated
inputs
IN105 Optoisolated input
IN105
asserted (see Figure 7.1 )
IN104 Optoisolated input
IN104
asserted (see Figure 7.1 )
IN103 Optoisolated input IN103 asserted (see Figure 7.1 )
IN102 Optoisolated input IN102 asserted (see Figure 7.1 )
IN101 Optoisolated input
IN101
asserted (see Figure 7.1 )
25 LB1 Local Bit 1 asserted (see Figure 7.4 ) Control via front panel—
replacing traditional
panel-mounted control
switches
LB2 Local Bit 2 asserted (see Figure 7.4 )
LB3 Local Bit 3 asserted (see Figure 7.4 )
LB4 Local Bit 4 asserted (see Figure 7.4 )
LB5 Local Bit 5 asserted (see Figure 7.4 )
LB6 Local Bit 6 asserted (see Figure 7.4 )
LB7 Local Bit 7 asserted (see Figure 7.4 )
LB8 Local Bit 8 asserted (see Figure 7.4 )
26 LB9 Local Bit 9 asserted (see Figure 7.4 )
LB10 Local Bit 10 asserted (see Figure 7.4 )
LB11 Local Bit 11 asserted (see Figure 7.4 )
LB12 Local Bit 12 asserted (see Figure 7.4 )
LB13 Local Bit 13 asserted (see Figure 7.4 )
LB14 Local Bit 14 asserted (see Figure 7.4 )
LB15 Local Bit 15 asserted (see Figure 7.4 )
LB16 Local Bit 16 asserted (see Figure 7.4 )
Table 9.6 Relay Word Bit Definitions for SEL-5, -6, -7 (Sheet 8 of 18)
Row Bit Definition Primary Application