P225/EN FT/B11
User Guide
Page 34/52
MiCOM P225
Case n°2:
The duration of the voltage sag is shorter than the T
reacc
time-delay, but the motor does not
reaccelerate within 5 seconds after the voltage has returned. The P225 operation does not
change.
P0238ENa
Network/mains
voltage
Current
flowing into
the motor
T
reacc
I
stall
> threshold
Detection V dip
threshold
Restoration V dip
threshold
5 seconds
“Drop in voltage” condition
detected
by P225 relay
(internal logic signal)
Case n°3:
The duration of the voltage sag is greater than the T
reacc
timer. A VOLTAGE DIP signal is
issued by the P225 relay at the end of T
reacc
. It can be used to stop the motor.
P0239ENa
Network/mains
voltage
T
reacc
Detection V dip
threshold
Restoration V dip
threshold
Internal logic signals
VOLTAGE DIP
“Drop in voltage”
condition detected
by P225 relay
(internal logic signal)
Summary of Contents for MiCOM P225
Page 1: ...MiCOM P225 Motor Protection Relay Technical Guide P225 EN T B11...
Page 2: ......
Page 4: ...P225 EN T B11 Technical Guide Page 2 2 MiCOM P225 BLANK PAGE...
Page 5: ...Connection Diagrams P225 EN CO B11 MiCOM P225 CONNECTION DIAGRAMS...
Page 6: ......
Page 8: ...P225 EN CO B11 Connection Diagrams Page 2 12 MiCOM P225 BLANK PAGE...
Page 18: ...P225 EN CO B11 Connection Diagrams Page 12 12 MiCOM P225 BLANK PAGE...
Page 19: ...Technical Specifications P225 EN TD B11 MiCOM P225 TECHNICAL SPECIFICATIONS...
Page 20: ......
Page 55: ...User Guide P225 EN FT B11 MiCOM P225 USER GUIDE...
Page 56: ......
Page 109: ...Menu of the HMI P225 EN HI B11 MiCOM P225 MENU OF THE HMI...
Page 110: ......
Page 158: ...P225 EN HI B11 Menu of the HMI Page 48 48 MiCOM P225 BLANK PAGE...
Page 159: ...Maintenance P225 EN CM B11 MiCOM P225 MAINTENANCE...
Page 160: ......
Page 162: ...P225 EN CM B11 Maintenance Page 2 18 MiCOM P225 BLANK PAGE...
Page 178: ...P225 EN CM B11 Maintenance Page 18 18 MiCOM P225 PAGE BLANCHE...
Page 179: ...Communication P225 EN CT B11 MiCOM P225 COMMUNICATION...
Page 180: ......
Page 232: ...P225 EN CT B11 Communication Page 52 52 MiCOM P225 BLANK PAGE...
Page 233: ...Setting P225 EN SV B11 MiCOM P225 SETTING...
Page 234: ......
Page 250: ...P225 EN SV B11 Setting Page 16 16 MiCOM P225 BLANK PAGE...
Page 251: ...Installation Guide P225 EN IN B11 MiCOM P225 INSTALLATION GUIDE...
Page 252: ......
Page 254: ...P225 EN IN B11 Installation Guide Page 2 12 MiCOM P225 BLANK PAGE...
Page 265: ...Test Report P225 EN RS B11 MiCOM P225 TEST REPORT...
Page 266: ......
Page 268: ...P225 EN RS B11 Test Report Page 2 20 MiCOM P225 BLANK PAGE...
Page 287: ......