ABB Relion 650 Series Product Manual page 73
Transformer protection
Hide thumbs
Also See for Relion 650 Series:
- Technical manual (754 pages) ,
- Applications manual (382 pages) ,
- Commissioning manual (182 pages)
Table of Contents
Advertisement
Transformer protection RET650
Version 2.2
Secondary system supervision
Table 54. Current circuit supervision CCSSPVC
Function
Operate current
Reset ratio, Operate current
Block current
Reset ratio, Block current
Table 55. Fuse failure supervision FUFSPVC
Function
Operate voltage, zero sequence
Operate current, zero sequence
Operate voltage, negative sequence
Operate current, negative sequence
Operate voltage change level
Operate current change level
Operate phase voltage
Operate phase current
Operate phase dead line voltage
Operate phase dead line current
Operate time, start, 1 ph, at 1 x U
Reset time, start, 1 ph, at 0 to 1 x U
Table 56. Voltage based delta supervision DELVSPVC
Function
Minimum Voltage
DelU>
DelUAng>
Operate time for changeat Ur to (Ur + 2 x DelU>)at
Ur to (Ur + 5 x DelU>)
Operate time for jump from Zero degrees to
'AngStVal' + 2 degrees
Hitachi Power Grids
Range or value
(10-200)% of IBase
>90%
(20-500)% of IBase
>90% at (50-500)% of IBase
Range or value
(1-100)% of UBase
(1–100)% of IBase
(1–100)% of UBase
(1–100)% of IBase
(1–100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
to 0
Min. = 10 ms
r
Max. = 25 ms
Min. = 15 ms
r
Max. = 30 ms
GUID-DAECF9F5-1D0B-43FC-AD29-8F96E05DD0DA v4
Range or value
(5.0 - 50.0)% of UBase
(2.0 - 500.0)% of UBase
(2.0 - 40.0) degrees
© 2017 - 2021 Hitachi Power Grids. All rights reserved
M12358-1 v11
Accuracy
±1.0% of I
at I ≤ I
r
±1.0% of I at I > I
±5.0% of I
at I ≤ I
r
±5.0% of I at I > I
M16069-1 v13
Accuracy
±0.5% of U
r
±0.5% of I
r
±0.5% of U
r
±0.5% of I
r
±10.0% of U
r
±10.0% of I
r
±0.5% of U
r
±0.5% of I
r
±0.5% of U
r
±1.0% of I
r
-
-
Accuracy
±0.5% of Ur at U ≤ Ur
Instantaneous 1 cycle & Instantaneous 2 cycle mode:±20%
of Ur at U ≤ Ur±20% of U at U > Ur
RMS & DFT Mag mode:±10% of Ur at U ≤ Ur±10% of U at U
> Ur
±2.0 degrees
Instantaneous 1 cycle & Instantaneous 2 cycle mode -
<20msRMS & DFT Mag mode - <30ms
Vector shift mode - <60ms
1MRK 504 172-BEN G
r
r
r
r
73
Advertisement
Table of Contents
