GE VAT2000 Instruction Manual page 91

No. Parameter
B33 – M fluctuation compensation table reference speed
0 Table reference speed 0
1 Table reference speed 1
2 Table reference speed 2
3 Table reference speed 3
4 Table reference speed 4
5 Table reference speed 5
6 Table reference speed 6
7 Table reference speed 7
B34 – M fluctuation compensation
0 M fluctuation compensation
coefficient 0
1 M fluctuation compensation
coefficient 1
2 M fluctuation compensation
coefficient 2
3 M fluctuation compensation
coefficient 3
4 M fluctuation compensation
coefficient 4
5 M fluctuation compensation
coefficient 5
6 M fluctuation compensation
coefficient 6
M fluctuation compensation
7
coefficient 7
B35 – Constant Voltage control (PM)
0 Demagnetizing control
operation voltage range
1 Demagnetizing current limit
value
2 Demagnetizing proportional
gain
3 Demagnetizing integral gain
4 Flux temperature fluctuation
compensation range
5 Flux temperature fluctuation
compensation time
constant
B36 – Demagnetizing current table (PM)
0 Demagnetizing current
table 0
1 Demagnetizing current
table 1
2 Demagnetizing current
table 2
3 Demagnetizing current
table 3
Demagnetizing current
4
table 4
6. Control Functions and Parameter Settings
Block-B parameters (Extended function constants) list
Unit Default
–1
min 200
–1
min 400
–1
min 600
–1
min 800
–1
min 1000
–1
min 1200
–1
min 1400
–1
min 1600
% 100.0
% 100.0
% 100.0
% 100.0
% 100.0
% 100.0
% 100.0
% 100.0
% 10.0
% 50.0
times 0.10
ms 10.
% 0.0
% 1000.
% 0.0
% 0.0
% 0.0
% 0.0
% 0.0
Min. Max.
100. 7200. This is the reference speed
table .
100. 7200.
These values will be affected by
100. 7200.
the compensation (B34) block.
100. 7200.
100. 7200.
100. 7200.
100. 7200.
100. 7200.
50.0 150.0
This is adjusted with the
automatic tuning mode 4 (B19-0
50.0 150.0
= 4).
50.0 150.0
This compensates the exciting
inductance fluctuation according
to the B33 reference speed
50.0 150.0
values.
Set the compensation
50.0 150.0
coefficients that the output
voltage is constant during no-
50.0 150.0
load operation through the entire
operation range.
50.0 150.0
50.0 150.0
50.0 100.0
% of rated voltage
10.0 200.0
Ratio of rated voltage
0.01 99.99
2. 1000.
0.0 50.0
1. 9999.
Demagnetising current table
0.0 100.0
(at torque command 25%)
0.0 100.0
(at torque command 50%)
0.0 100.0
(at torque command 50%)
0.0 100.0
(at torque command 50%)
0.0 100.0
(at torque command 50%)
6-16
Function Application
ST V/f VEC PM