FRPFRQ1
BLOCK
OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
FRPFRQ2
BLOCK
OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
FRPFRQ3
BLOCK
OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
FRPFRQ4
BLOCK
OPERATE
OPR_OFRQ
OPR_UFRQ
OPR_FRG
START
ST_OFRQ
ST_UFRQ
ST_FRG
OR6
B1
B2
B3
B4
B5
B6
O
FRPFRQ2_OPERATE
FRPFRQ2_OPERATE
FRPFRQ4_OPERATE
FRPFRQ4_OPERATE
FRPFRQ3_OPERATE
FRPFRQ3_OPERATE
FRPFRQ1_OPERATE
FRPFRQ1_OPERATE
FRPFRQ1_START
FRPFRQ2_START
FRPFRQ3_START
FRPFRQ4_START
BLOCK_FREQ
BLOCK_FREQ
BLOCK_FREQ
BLOCK_FREQ
FREQUENCY_OPERATE
GUID-0E0FBEC6-9ABE-40FB-AFAD-E781D244A22E V2 EN
Figure 90:
Frequency protection function
Three instances of reverse power/directional overpower protection DOPPDPR are
provided to detect either loss of prime mover or detecting motoring action or detecting
any abnormal high reactive power being absorbed by the generator.
Section 3
1MRS758272 B
REG615 standard configurations
80
REG615
Application Manual