TAVRIDA ELECTRIC Rec15, Техническое руководство

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47
55.00
–60.00 Hz for rated frequency=60 Hz
55.00
Tripping time+, s Tt+ 0.10
–180.00
0.01 0.10
Operating mode- Mode- Enable/Disable n.a. Disable
Pickup frequency-, Hz Fp-
45.00
–50.00 Hz for rated frequency=50 Hz
55.00
–60.00 Hz for rated frequency=60 Hz
0.01
45.00
55.00
Tripping time-, s Tt- 0.10
–180.00
0.01 0.10
Underfrequency Reclosing (AR UF)
This element provides reclosing initiated by the UF element operation.
AR UF settings are described in Table 71 and Table 72.
Table 71
– Radial line recloser AR UF element settings
Settings Designation Range Step size Default
Number of trips to lockout Nt 1/2 n.a. 1
Reclose time, s Tr 0.10
–180.00
0.01 10.00
Table 72
– Ring line recloser AR UF element settings
Settings Designation Range Step size Default
Number of trips to Nt+ 1/2 n.a. 1
Reclose time+, s Tr+ 0.10
–180.00
0.01 10.00
Number of trips to lockout- Nt- 1/2 n.a. 1
Reclose time-, s Tr- 0.10
–180.00
0.01 10.00
Overfrequency (OF)
This element provides protection against a high system frequency.
OF settings are described in Table 73 and Table 74.
Table 73
– Radial line recloser OF element settings
Settings Designation Range Step size Default
Operating mode Mode Enable/Disable n.a. Disable
Pickup frequency, Hz Fp
50.00
–55.00 for rated frequency=50 Hz
60.00
–65.00 for rated frequency=60 Hz
0.01
55.00
65.00
Tripping time, s Tt 0.10
–180.00
0.01 0.10
Table 74
– Ring line recloser OF element settings
Settings Designation Range Step size Default
Operating mode+ Mode+ Enable/Disable n.a. Disable
Pickup fr, Hz Fp+
50.00
–55.00 for rated frequency=50 Hz
60.00
–65.00 for rated frequency=60 Hz
0.01
55.00
65.00
Tripping time+, s Tt+ 0.10
–180.00
0.01 0.10
Operating mode- Mode- Enable/Disable n.a. Disable
Pickup frequency-, Hz Fp-
50.00
–55.00 for rated frequency=50 Hz
60.00
–65.00 for rated frequency=60 Hz
0.01
55.00
65.00
Tripping time-, s Tt- 0.10
–180.00
0.01 0.10
Overfrequency Reclosing (AR OF)
This element provides reclosing initiated by the OF element operation.
AR OF settings are described in Table 75 and Table 76.