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Page 114 of 277
Table 26: Motor Overload Menu Common Installations Screen 2 (cont'd.)
Parameter
Default
Description
Downhole Amps
None
This is not a parameter to
be changed. It is a channel
showing the downhole amps for
informational purposes. Note that
the value shows ??? because the
channel is not initialized. In this
case, the downhole transformer
ratio
hasn’t been configured.
O-Load Bucket
None
This is not a parameter to be
changed. It is a channel showing
the overload bucket level. The
drive will shut down on overload
when the bucket reaches 100%.
This is displayed for informational
purposes. Note that the value
shows ??? because the channel
is not initialized. In this case,
O-Load Bucket is a derived
channel and takes Downhole
Amps as one of its inputs. Since
Downhole Amps is not initialized,
O-Load Bucket is not initialized.
Motor OverCurrent
None
Select to access the Motor
OverCurrent trigger information
screen. The motor overcurrent is
a simple high-limit fault that can
be configured in situations where
the more advanced i
2
t algorithm is
deemed inappropriate. Using this
trigger, the system will fault if the
motor current exceeds the Motor
Over Current limit for longer than
the trip delay. The amount of the
overload is not considered.
For more information on the Motor Overload protection, see
Section 9: Apollo Motor Overload Protection,
of this manual.
4.8
Configure Motor Underload
Use the Motor Underload menu to configure parameters associated with low current motor protection.
Select Motor Underload from the Main Menu. The first screen of the Motor Underload menu is shown in
Содержание Apollo 3
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