Function Block - ABB Relion Technical Manual

Generator protection
Hide thumbs Also See for Relion:
Table of Contents

Advertisement

Section 9
Voltage protection
9.4.3
9.4.4
9.4.5
Table 174:
OEXPVPH (24) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
Pickup1
100.0 - 180.0
Pickup2
100.0 - 200.0
Table continues on next page
300
that are not designed to carry flux. This will cause eddy currents to flow. These eddy
currents can cause excessive heating and severe damage to insulation and adjacent parts
in a relatively short time. The function has settable inverse operating curves and
independent alarm stages.

Function block

OEXPVPH (24)
V3P*
TRIP
BLOCK
BFI
RESET
ALARM
ANSI09000008-1-en.vsd
ANSI09000008 V1 EN
Figure 138:
OEXPVPH (24) function block
Signals
Table 172:
OEXPVPH (24) Input signals
Name
Type
V3P
GROUP
SIGNAL
BLOCK
BOOLEAN
RESET
BOOLEAN
Table 173:
OEXPVPH (24) Output signals
Name
Type
TRIP
BOOLEAN
BFI
BOOLEAN
ALARM
BOOLEAN
Settings
Unit
Step
-
-
%VB/f
0.1
%VB/f
0.1
Default
Description
-
Three phase group signal for voltages
0
Block of function
0
Reset of function
Description
Common trip signal
General pickup signal
Overexcitation alarm signal
Default
Description
Disabled
Operation Disable / Enable
110.0
Operate level of V/Hz at no load and rated freq
in % of (Vbase/frated)
140.0
High level of V/Hz above which tMin is used, in
% of (Vbase/fn)
1MRK 502 048-UUS A
Technical manual

Advertisement

Table of Contents
loading

This manual is also suitable for:

650 seriesReg650 ansi

Table of Contents