Date Code 20010719
701 Motor Protection Relay
Settings Calculation
Output Configuration
4.47
Figure 4.5
Factory Tripping Logic.
RTD-Based Tripping
WDGTRIP =
BRGTRIP =
OTHTRIP =
AMBTRIP =
Winding Temperature Trip
Bearing Temperature Trip
Other Temperature Trip
Ambient Temperature Trip
Basic Motor Protection Tripping
Trip Motor
Breaker/
Contactor
Voltage-Based Element Tripping
RTD-Based Tripping
81D1T
81D2T
81D3T
37PT
55T
VART
WDGTRIP
BRGTRIP
OTHTRIP
AMBTRIP
50QT
JAMTRIP
LOSSTRIP
47T
IN2
SPDSTR
49T
50P1T
50P2T
50N1T
50N2T
46UBT
50G1T
50G2T
OR
OR
OR
OR
OR
27P1
Basic Motor Protection Tripping
49T =
50P1T =
50P2T =
50G1T =
50G2T =
50N1T =
50N2T =
46UBT =
50QT =
JAMTRIP =
LOSSTRIP =
47T =
IN2 =
SPDSTR =
Thermal Element Trip
Level 1 Definite-Time Phase O/C Element Trip
Level 2 Definite-Time Phase O/C Element Trip
Level 1 Definite-Time Residual O/C Element Trip
Level 2 Definite-Time Residual O/C Element Trip
Level 1 Definite-Time Neutral O/C Element Trip
Level 2 Definite-Time Neutral O/C Element Trip
Current Unbalance Element Trip
Negative-Sequence Overcurrent Trip
Load Jam Trip
Load Loss Trip
Phase Reversal Trip
Direct Trip Contact Input
Speed Switch Trip
*
Voltage-Based Element Tripping
81D1T =
81D2T =
81D3T =
37PT =
55T =
VART =
27P1 =
Level 1 Over-/Underfrequency Trip
Level 2 Over-/Underfrequency Trip
Level 3 Over-/Underfrenqency Trip
Underpower Element Trip
Power Factor Element Trip
Reactive Power Element Trip
Undervoltage Element
*LOSSTRIP is also
supervised by the
27P1 undervoltage
element when the
relay is equipped with
optional voltage inputs.
OR
AND
Содержание SEL-701
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