ROOTECH ACCURA 7500, User Manual, Page: 38 / 76

Page 38
Measurement section †
Address Attribute Measurement Format Descriptions
41501 R Fundamental voltage A S1 UINT16
41502 R Fundamental voltage B S1 UINT16
41503 R Fundamental voltage C S1 UINT16
41504 R Fundamental voltage G S1 UINT16 Ground voltage (Vg)
41505 R Positive sequence voltage (Va1) S1 UINT16
41506 R Negative sequence voltage (Va2) S1 UINT16
41507 R Zero sequence voltage (Va0) S1 UINT16
41508 R Fundamental voltage A maximum S1 UINT16
41509 R Fundamental voltage B maximum S1 UINT16
41510 R Fundamental voltage C maximum S1 UINT16
41511 R Fundamental voltage G maximum S1 UINT16 Ground voltage (Vg)
41512 R Fundamental current A S1 UINT16
41513 R Fundamental current B S1 UINT16
41514 R Fundamental current C S1 UINT16
41515 R Fundamental current G S1 UINT16 Ground current (Ig)
41516 R Fundamental Zero sequence current S1 UINT16 Zero sequence current (Iz : mA)
41517 R Phase(Degree) of Iz to Vg S1 UINT16
41518 R Positive sequence current (Ia1) S1 UINT16
41519 R Negative sequence current (Ia2) S1 UINT16
41520 R Zero sequence current (Ia0) S1 UINT16
41521 R Fundamental current A maximum S1 UINT16
41522 R Fundamental current B maximum S1 UINT16
41523 R Fundamental current C maximum S1 UINT16
41524 R Fundamental current G maximum S1 UINT16 Ground current (Ig)
41525 R Fundamental Zero sequence current
maximum S1 UINT16 Zero sequence current (Iz : mA)
41526 R
(A Phase Current / TOCR Tap)
ⅹ
100
S1 UINT16 TOCR Tap (Time OCR Tap)
41527 R
(B Phase Current / TOCR Tap)
ⅹ
100
S1 UINT16 TOCR Tap (Time OCR Tap)
41528 R
(C Phase Current / TOCR Tap)
ⅹ
100
S1 UINT16 TOCR Tap (Time OCR Tap)
41529 R (Accumulated Thermal Quantity /
Permissible Thermal Quantity) x 100 S1UINT16
•••
Invalid UINT16
•••
41600
Invalid UINT16
† It is the fundamental component of each phase voltage and phase current measured for protection
functions
. This is the measured value based on the secondary rating of
the
PT and CT. When
a CT rated as
100/5 is used and the current of 50A flows in the primary, the metering part indicates 50A and the
protection part indicates 2.5A. It is because the tap setting of each relay element is based on the secondary
rating. This makes it easy to compare and analyze the set value and the measured value.