ABB Relion Applications Manual page 41
Voltage protection and control
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Also See for Relion:
- Commissioning manual (202 pages) ,
- Technical manual (778 pages) ,
- Applications manual (320 pages)
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1MRS758335 B
REU611
Application Manual
UNDERVOLTAGE PROTECTION INDICATION
PHPTUV1
3U<(1)
27(1)
3U
BLOCK
PHPTUV2
3U<(2)
27(2)
3U
BLOCK
PHPTUV3
3U<(3)
27(3)
3U
BLOCK
GUID-0E0A1B18-45A8-4FDB-BCFB-9FFC175CD53B V1 EN
Figure 16:
Undervoltage protection
Three undervoltage protection stages PHPTUV1...3 offer protection against
undervoltage conditions. All operate signals are connected to the master trip and to
alarm LED 2.
REU611 standardized configuration
OPERATE
START
OSWGAPC8
OPERATE
IN_4
START
IN_5
OR
IN_6
OPERATE
START
Section 3
SELGAPC4
IN_9
OUT_2
OUT
LED 2
35
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