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Schaffner Total Solutions for Motor Drives
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Components
Total Solutions for Motor DrivesEMC Compliance, Harmonics Suppression, Motor Protection, Reliability Assurance
Total solutions for motor drive systems.
Frequency inverters are among the
most widely used pieces of equipment
for AC motor control. Nowadays, they
are found in virtually every area of
industry, in applications as diverse as
pumps, air conditioning systems,
elevators and cranes, conveyors, machine
tools, alternative energy production
and in a vast array of other industrial
and domestic automation.
Problems associated with modern drives
In the quest for ultra-compact, efficient
power conversion, inverter manufac-
turers employ high speed semiconductor switches and pulse
width modulation (PWM) techniques to generate fast rise-
time voltage pulses of the appropriate duration and polarity.
Unfortunately, this creates a considerable number of problems
for OEM’s and system integrators, from purely functional
difficulties to most severe motor damage. Following, a brief
summary of the most significant problems and phenomena:
Inverter input
Inverter output
Inverter DC link
Whole system
Solutions from Schaffner
In most cases, several phenomena occur in the same system,
a fact which underlines the idea of combining components
to total solutions.
By careful investigation of the equipment, input and output
components – if needed – can be chosen carefully and fine-
tuned to each other, in order to reduce the overall suppression
effort.
As the number 1 solution provider, Schaffner can help against
all these problems by offering:
Further products on request
The decision to favour a certain solution above another
depends entirely on the system requirements and should
always be backed by a technical and economic analysis.
Advanced testing capabilities
To ensure that our components work properly in the final
equipment, Schaffner operates a full load test setup for motor
drives at the headquarters in Switzerland.
With the unique ability to test every drive with various loads
and cable lengths, switching frequencies and environmental
conditions, we are able to serve our customers with the most
reliable and cost-effective solutions.
Benefit from 40 years of experience
Schaffner can help you to ensure:
To obtain more detailed information please contact your local
Schaffner sales office, distributor or www.schaffner.com.
Note: motor drives are used as a typical example; Schaffner is
also active in numerous other areas.
n EMC problems
n Harmonics
n Commutation notches
n Inrush & peak currents
n Low frequency
interference phenomena
n Excessive dv/dt
n Peak- & overvoltages
n Parasitic earth currents
n Eddy current losses in the
motor
n Displacement currents
n Bearing currents
n Additional pulse loads on
the inverter
n Acoustic motor noise
n EMC problems
n DC link capacitor stress
n Harmonics
n Various other problems in
the DC link
n EMI/RFI input filters
n RFI suppression chokes
n Harmonics filters/chokes
n Line reactors
n Commutation reactors
n Special components for
energy regeneration
n Motor protection chokes
n dv/dt filters
n Sinusoidal output filters
n 'Sinus Plus' filters
n Combi filters
n DC link chokes
n Transformers
n Other related products
n Low efficiency/power factor
n Unacceptable interference
emissions
n Uncertain system immunity
n Uncertain service security
& reliability
n EMC and harmonics
compliance
n Functional security
n System reliability
Schaffner's full load test
set-up for motor drives
Sch
affn
er s
olu
tio
ns
for
mo
tor
dri
ve s
yste
ms.
Freq
uen
cy in
vert
er(E
nerg
y re
gene
ratio
n in
vert
er)
Rec
tifi
erD
C li
nk
Co
nve
rter
Mo
tor
(Gen
erat
or)
Ever
y co
mpo
nent
can
be
cust
omiz
ed t
o m
eet
spec
ial r
equi
rem
ents
. Sol
utio
ns f
or t
hree
-pha
se +
neu
tral
fou
r-w
ire
appl
icat
ions
are
als
o av
aila
ble.
To o
btai
n m
ore
info
rmat
ion
plea
se c
onta
ct y
our
loca
l Sch
affn
er s
ales
off
ice
or w
ww
.sch
affn
er.c
om
Thre
e-p
has
e lin
e re
acto
rR
WK
212
V: 4
00VA
CI:
4 to
110
0A @
40°
Cf:
50/6
0Hz
z: 4
%
– Re
duct
ion
of h
arm
onic
s–
Redu
ctio
n of
com
mut
atio
n no
tche
s–
Rest
rict
ion
of in
rush
& p
eak
curr
ents
– Im
prov
emen
t of
tru
e po
wer
fac
tor
Ou
tpu
t fi
lter
ser
ies
FN 5
00V:
50
0VA
CI:
4 to
16A
(66A
) @ 4
0°C
f mot
or:
up t
o 20
0Hz
f sw
itch:
var
ious
Filte
r fa
mili
es:
– FN
510
: dv/
dt &
ove
rvol
tage
res
tric
tion
– FN
520
: sin
usoi
dal o
utpu
t fil
ter
– FN
530
: sin
usoi
dal &
EM
C o
utpu
t fil
ter
Sin
uso
idal
ou
tpu
t fi
lter
FN 5
010
V:
400V
AC
I: 2.
5 to
610
A @
40°
Cf m
otor
: up
to ~
70H
zf s
witc
h: 4
to
16kH
z
– In
crea
sed
serv
ice
life
of m
otor
s–
Impr
oved
sys
tem
rel
iabi
lity
& e
ffic
ienc
y–
Redu
ctio
n of
aud
ible
mot
or n
oise
– Re
duce
d pu
lse
load
of
the
inve
rter
Var
iou
sth
ree-
ph
ase
RFI
filt
ers
V: u
p to
690
VAC
I: 5
to 2
500A
@ 4
0/50
°Cf:
DC
to
60H
zVa
riou
s pe
rfor
man
ces
For
curr
ents
up
to 3
00A
:FN
258
/ F
N 3
51 /
FN
325
8Fo
r hi
gher
cur
rent
s:FN
327
0 /
FN 3
275
/ FN
335
9
RFI
filt
ers
for
ER u
nit
sFN
310
0 /
FN 3
110
/ FN
312
0V:
520
VAC
/ 4
80VA
CI:
25 t
o 30
0A @
50°
Cf:
DC
to
60H
zVa
riou
s sa
fety
app
rova
ls
– D
esig
ned
for
ener
gy r
egen
erat
ion
driv
es–
Exce
llent
att
enua
tion
from
150
kHz
to 3
0MH
z–
Noi
se s
uppr
essi
on a
lso
from
9 t
o 15
0kH
z–
Exce
ptio
nal s
atur
atio
n re
sist
ance
Har
mo
nic
s &
RFI
filt
erFN
340
0V:
480
VAC
I: 8
to 2
4A @
50°
Cf:
DC
to
60H
zz:
4%
– Re
duct
ion
of h
arm
onic
s–
Supp
ress
ion
of c
ondu
cted
EM
I–
Rest
rict
ion
of in
rush
& p
eak
curr
ents
– D
efin
ed 4
% im
peda
nce
dv/
dt
reac
tor
RW
K 3
05V:
40
0VA
CI:
4 to
110
0A @
40°
Cf m
otor
: 50
/60H
zf s
witc
h: 2
to
16kH
z
– Re
duct
ion
of e
xces
sive
dv/
dt–
Prot
ectio
n of
the
mot
or w
indi
ngs
– Le
ss d
istu
rban
ces
of n
eigh
bour
ing
eq
uipm
ent
Mo
du
lar
ou
tpu
t fi
lter
sFN
502
0 /
FN 5
030
V:
500V
AC
I: 25
to
120A
@ 5
0°C
f mot
or:
up t
o 60
0Hz
f sw
itch:
>6k
Hz
– In
crea
sed
serv
ice
life
of m
otor
s–
Impr
oved
sys
tem
rel
iabi
lity
& e
ffic
ienc
y–
Ope
rate
s as
EM
C a
ssur
ance
– N
o sh
ield
ed m
otor
cab
les
nece
ssar
y
Cu
sto
miz
edD
C li
nk
cho
kes
V: v
ario
usI:
vari
ous
Vari
ous
elec
tric
al &
mec
hani
cal s
olut
ions
– Si
gnal
sm
ooth
ing
– Li
mita
tion
of in
rush
cur
rent
– Re
duct
ion
of h
arm
onic
s–
Stor
age
mod
e ch
okes
for
PFC
cir
cuits
Cu
sto
miz
edlin
e re
acto
rsV:
up
to 6
90VA
CI:
up t
o ~
4000
Af:
vari
ous
Vari
ous
impe
danc
es
– H
arm
onic
s ch
okes
/filt
ers
– C
omm
utat
ion
notc
h ch
okes
– Li
ne im
peda
nces
– En
ergy
reg
ener
atio
n re
acto
rs
HeadquartersSchaffner EMV AGCH-4542 Luterbach, Switzerland
T +41 32 681 66 26
F +41 32 681 66 41
www.schaffner.com
ChinaSchaffner EMC Ltd. ShanghaiT +86 21 6813 9855
FinlandSchaffner OyT +358 19 357 271
FranceSchaffner EMC S.A.S.T +33 1 34 34 30 60
GermanySchaffner EMV GmbHT +49 721 56910
ItalySchaffner EMC S.r.l.T +39 02 66 04 30 45
JapanSchaffner EMC K.K.T +81 3 5456 0180
SingaporeSchaffner EMC Pte Ltd.T +65 6377 3283
SwedenSchaffner EMC ABT +46 8 5792 1121
SwitzerlandSchaffner EMV AGT +41 32 681 66 26
TaiwanSchaffner EMV Ltd.T +886 2 87525050
ThailandSchaffner EMC Co. Ltd.T +66 53 58 11 04
UKSchaffner Ltd.T +44 118 9770070
USASchaffner EMC Inc.T +1 732 225 9533
Toll free 1 800 367 5566
To find your local partner within
Schaffner‘s global network, please go to
www.schaffner.com
Druckerei Uebelhart AG
August 2006
© 2006 Schaffner EMC.
Specifications subject to change without
notice. All trademarks recognized.
Schaffner is an ISO-registered company.
Its products are designed and manufac-
tured under the strict quality and environ-
mental requirements of the ISO 9001 and
ISO 14001 standards.
This document has been carefully checked.
However, Schaffner does not assume any
liability for errors or inaccuracies.
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