CPS SCA50KTL-DO/US-480 - Grid Frequency Protection

83
Table 4-3 Protection Parameters (IEEE1547 and Rule21) cont'd
Grid Frequency Protection
IEEE1547
Rule21
Parameter name
Description
Setting Range
(Min, Default, Max)
Setting Range
(Min, Default, Max)
GridFrqMin1
Protection threshold
value of Level 1 Min.
grid frequency
{54, 59.5, 60}
{45, 58.5, 60}
FrqMinTripT1 (S）
Trip time of Level 1
Min. grid frequency
{0, 2, 655}
{0, 299.50, 655.00}
GridFrqMin2
Protection threshold
value of Level 2 Min.
grid frequency
{54, 57, 60}
{45, 57, 60}
FrqMinTripT2 (S）
Trip time of Level 2
Min. grid frequency
{0, 0.16, 655}
{0, 0.16, 655}
GridFrqMin3
Protection threshold
value of Level 3 Min.
grid frequency
{54, 57, 60}
{54, 57, 60}
FrqMinTripT3 (S）
Trip time of Level 3
Min. grid frequency
{0, 0.16, 655}
{0, 0.16, 655}
GridFrqMax1
Protection threshold
value of Level 1 Max.
grid frequency
{60, 60.5, 65}
{50, 60.5, 65}
FrqMaxTripT1(S）
Trip time of Level 1
Max. grid frequency
{0, 2, 655}
{0, 299.50, 655}
GridFrqMax2
Protection threshold
value of Level 2 Max.
grid frequency
{50, 62, 65}
{50, 62, 65}
FrqMaxTripT2(S）
Trip time of Level 2
Max. grid frequency
{0, 0.16, 655}
{0, 0.16, 655}
GridFrqMax3
Protection threshold
value of Level 3 Max.
grid frequency
{60, 62, 65}
{50, 62, 65}
FrqMaxTripT3(S）
Trip time of Level 3
Max. grid frequency
{0, 0.16, 655}
{0, 0.16, 655}