![background image](http://html1.mh-extra.com/html/vamp/vamp-55/vamp-55_installation-operation-and-configuration-instructions_3335045049.webp)
Technical description
2 Protection functions
2.3 List of protection functions
VM55.EN005
VAMP 24h support phone +358 (0)20 753 3264
49
2.3.
List of protection functions
IEEE/ANSI
code
IEC symbol Function name
59
U>, U>>,
U>>>
Overvoltage protection
24
U/f>
Volts/hertz over excitation
protection
27P
U
1
<, U
1
<<
Positive sequence undervoltage
protection for generator
applications
27
U<, U<<,
U<<<
Undervoltage protection
59N
U
0
>, U
0
>>
Zero sequence voltage protection
81H/81L
f><, f>><< Overfrequency and underfrequency
protection
81L
f<, f<<
Underfrequency protection
25
∆f, ∆U, ∆φ
Synchrocheck
50BF
CBFP
Circuit-breaker failure protection
99
Prg1…8
Programmable stages
Содержание VAMP 55
Страница 2: ...VM55 EN005...
Страница 184: ...184 VAMP 24h support phone 358 0 20 753 3264 VM55 EN005...
Страница 185: ...VM55 EN005 VAMP 24h support phone 358 0 20 753 3264 185...