Hardw a re so ftw are – Rockwell Automation SB3000 AC Power Modules User Manual

Page 68

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background image

C-4

SB3000 Power Modules (Rittal)

Figure C.2 – Control Structure

Hardw

a

re

So

ftw

are

Ki =

Vml - Wco

Vml - A

Kp =

Vml - Wco

C

Gene

ra

te

PW

M

Vu

Vv

Vw

2/3

Vq

PI

(Iq

_

Fbk

)

(Iq

_

C

m

d)

Cnf I_Lmt

1.41

4

+

+

P

I_L

mt_E

1

+

+

P

I_Lmt

_

E

4

+

+

z-

1

Ki

Kp

E1

Vd

PI

(Id

_

Fb

k

)

(Id_

C

m

d)

Li

m

it P

o

w

e

r

F

a

ctor C

u

rre

nt

(V

dc_R

e

f_E

0

)

(Ip

f_R

ef_E

1)

+

+

Ra

m

p

Fi

lt

e

r

25%

Vm

l_

Kd

z-

1

+

+

if

(!

dr

v_on||rest

ar

t)

V

d

c

_

R

e

f_

E

0

= V

d

c

_

R

a

mp

_E

1

++/

10

M

in_V

dc

_Ref

_

E

0

= V

a

c

_

R

m

s

_

E

0

1.

414

1.

1

M

a

x_

Vd

c_

Re

f_

E

0

=

M

a

x_

V

o

lt

s -

2

5

=

875

(P

i_

Lm

t_

E

1

)

(

Pi_

L

m

t_

E4

)

1

000

Vm

l_

Ff

F

ilte

r

40%

+

(C

n

f.I_

Lmt_

E

1

1.414

)

(Idc_

F

bk_E

1)

(V

dc_R

ef_

E

0)

(V

dc_F

bk_E

0)

f(

46

0)

= 715

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