Load signal / Limit
Reference
Underload delay
Underload act
Underload recovery active
Warning
Fault
Shutdown
Underload boost active
Underload drop active
Recovery - Fault
(not recovered)
Recovery - Fault
(recovered)
Delay
time
Recovery
cycle time
Reset
attempts
Reference + Boost %
Load signal / Limit
Reference
Underload delay
Underload act
Underload recovery active
Warning
Fault
Shutdown
Underload boost active
Underload drop active
Recovery - Warning
(not recovered)
Recovery - Warning
(recovered)
Delay
time
Recovery
cycle time
Reset
attempts
Reference + Boost %
Drop speed Hz
￭
Overload recovery sequence
The Overload protection function protects the motor against overheating due to
continuous exposure to high electrical current in absence of appropriate cooling.
An overload situation can occur for different reasons and is more likely to occur
on new wells due to frequent intake of solid parts through the pump. This results
in clogging and excessive inertial load which in turn, results in overheating of the
motor. Clogging can be inferred by the detection of an overload condition.
ESP program features 59
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