VAMP 257 - General; Manager Features

VAMP 257 Feeder and motor manager
Operation and configuration
VAMP Ltd
6
VAMP 24h support phone +358 (0)20 753 3264 VM257.EN002
1. General
This first part of the publication contains general descriptions
of the functions, of the feeder and motor managers VAMP 257,
as well as manager operation instructions. It also includes
instructions for parameterization and configuration of the
managers and instructions for changing settings.
The second part of the publication includes detailed protection
function descriptions as well as application examples and
technical data sheets.
The Mounting and Commissioning Instructions are published
in a separate publication with the code VMMC.EN0xx.
Manager software revision history:
5.46 Programmable inverse delay curves added.
1.1. Manager features
The comprehensive protection functions of the manager make it
ideal for utility, industrial, marine and off-shore power
distribution applications. The manager features the following
protection functions:
• Overcurrent protection I>, I>>, I>>>
• Directional overcurrnet protection I
ϕ
>, I
ϕ
>>, I
ϕ
>>>, I
ϕ
>>>>
• Broken conductor protection I
2
/I
1
>
• Unbalance protection I
2
> *
• Phase reversal / incorrect phase sequence protection I
2
>> *
• Stall protection I
st
> *
• Undercurrent protection I<
• Earth fault protection I
0
>, I
0
>>, I
02
>, I
02
>>
• Directional earth fault protection I
0
ϕ
>, I
0
ϕ
>>
• Overvoltage protection U>,U>>,U>>>
• Undervoltage protection U<,U<<,U<<<
• Reverse power and under power protection P<, P<<
• Residual voltage protection U
0
>, U
0
>>
• Thermal overload protection T>
• Overfrequency and underfrequency protection f>< (fX),
f>><< (fXX)
• Underfrequency protection f<, f<<
• Rate of change of frequency (ROCOF) protection df/dt
• Frequent start protection N> *