44 PCP/ESP program features
lowered below the limit in the defined delay time. After the delay time is passed, the
drive shifts to backspin control.
Settings
Parameters,
,
,
and
,
and
(Bits 8 and 15).
and
.
Faults:
Pump underload protection
This function supervises the load condition of the pump. For example, fluid with gas,
lack of fluid in the well or a broken rod. User can define the monitoring curve for the
normal load if the function is speed (load points). If the load goes below the curve, the
function detects an underload condition.
The pump underload protection is based on the measurement of rod torque value.
This function also enables pump protection with motor current. The user can select
this option in parameter
.
is selected, there is rod torque protection.
is selected, there is motor current protection.
User can also select the reaction for the pump underload condition (
): Warning,
Fault or no reaction. This function is based on linear interpolation method.
Time
Torque
Speed
0
Time
Low limit
(Par
Pump speed
Backspin control
)
Torque2 function
Содержание ACS880 ESP
Страница 1: ...ABB industrial drives Firmware manual ACS880 PCP ESP control program ...
Страница 4: ......
Страница 28: ...28 PCP ESP control start up ...
Страница 30: ...30 Using the control panel ...
Страница 94: ...94 Standard programposi features ...
Страница 100: ...100 Default control connections ...
Страница 360: ...360 Parameters ...
Страница 362: ...362 Additional parameter data Fieldbus addresses Refer to the User s Manual of the fieldbus adapter ...
Страница 436: ...436 Fault tracing ...
Страница 486: ...486 Control chain diagrams ...
Страница 492: ...492 Appendix ESP with step up transformer and sine filter ...
Страница 494: ...Contact us www abb com drives www abb com drivespartners 3AXD50000016186 Rev B EN 2015 10 27 ...