BENSHAW RSi H2 Series - Kinetic Energy Buffering Operation

Parameter Descriptions
159
890053-00-02
5.5.4 CON-77 Kinetic Energy Buffering Operation
When the input power is disconnected, the inverter’s DC bus voltage decreases, and a low
voltage trip occurs blocking the output. Kinetic energy buffering operation can be used to
decelerate the motor safely under these conditions. The inverter uses regenerative energy from
the motor during the power outage to maintain the DC bus voltage. This extends the time for a low
voltage trip to occur. For the KEB feature to operate properly, parameter MOT-10 (input voltage)
must be set correctly.
Group
Code
Name
LCD Display
Parameter
Setting
Setting Range
Unit
CON
77
Kinetic energy
buffering selection
KEB Select
0
No
0~1
-
1
Yes
78
Kinetic energy
buffering start level
KEB Start Lev
125.0
240V, 480V:
7.5~125HP
110.0~140.0
%
115.0
480V:
150~800HP
130.0
575V
79
Kinetic energy
buffering stop level
KEB Stop Lev
130.0
240V, 480V:
7.5~125HP
Cn-78~145.0
%
125.0
480V:
150~800HP
135.0
575V
80
Energy buffering Slip
gain
KEB Slip Gain
300
240V:
7.5~40HP
0-20000
-
480V:
7.5~800HP
100
240V:
50~125HP
25
575V
81
Energy buffering P
gain
KEB P Gain
1000
240V:
7.5~40HP
0~20000
-
480V:
7.5~800HP
1800
240V:
50~125HP
3000
575V
(7.5~50HP)
1500
575V
(60~125HP)
82
Energy buffering I gain
KEB I Gain
500
240V:
7.5~40HP
1~20000
-
480V:
7.5~800HP
200
240V:
50~125HP
575V: All
83
Energy buffering
acceleration time
KEB Acc Time
10.0
240V, 480V:
7.5~125HP
0.0~600.0(s)
-
30.0
480V:
150~800HP
5.0
575V All