Pendalaman_Pemahaman_SPM_kaitan_dengan_Rencana_Aksi_Pencapaian_SPM_April2012 [compatibility mode]
Basic Drive Technology [Compatibility Mode]
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Transcript of Basic Drive Technology [Compatibility Mode]
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| Confidential/Property of Danfoss Drives A/S | Wednesday, 17 April 2013 | 1
VLT Danfoss Drives ! "#DT Trainin$%asi& Drive Te&'nolo$y
((()danfoss)&o*/drives
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Learnin$ +-e&tives
#n t'is trainin$ *od.le (e (ill learn t'e %asi&s of t'e VLT )
We (ill fo&.s on
The main block diagram and components.
o( does a VLT fre.en&y &onverter (or
o( to &ontrol t'e VLT
"ield.s
Danfoss Soft Starter
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T'e *ain lo& dia$ra*
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Learnin$ +-e&tives
We (ill fo&.s on
The main block diagram and components.
How does a VLT frequency converter work
How to control the VLT
Fieldbus
anfoss !oft !tarter
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%asi& Str.&t.re of 5 P.lse VSD
#t is a an ele&tri& devi&e ('i&' provides infinitely variale speed &ontrol of t'ree p'ase AC *otors
y &onvertin$ t'e fi6ed *ains volta$e and fre.en&y into a variale .antities
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T'e re&tifier
Uncontrolled?
or
semi controlled rectifier?
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#%T 8#solated ate %ipolar Transistor9
So.r&e Wiipedia
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"ower part of frequency converter
VDC
U V WL1 L2 L3
MOTOR
3-PHASE SUPPLY
o( does a VLT fre.en&y &onverter (or
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The rectifier
L1 L2 L3
3-PHASE SUPPLY Voltage
IDC
UDC
o( does a VLT fre.en&y &onverter (or
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The intermediate curcuit #$%bus&
VDCIDC
UDC
IDC
UDC
o( does a VLT fre.en&y &onverter (or
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The inverter #si'%step voltage&
U V W
MOTOR
IDC
UDCUv
UU
UW
UU-V
o( does a VLT fre.en&y &onverter (or
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P.lse A*plit.de
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+ne p'ase s'o(n
Output voltage from the VLT - PWM modulation (VVCPLUS)
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P.lse=Widt'
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T'e PW< pattern, asi& for Danfoss VVC
Pulse width modulation
Sine controller pulse width modulation
Asynchronous pulse width modulation 60AVM
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Learnin$ +-e&tives
We (ill fo&.s on
The main block diagram and components.
How does a VLT frequency converter work
How to control the VLT
Fieldbus
anfoss !oft !tarter
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(otor speed are controlled by)
and
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Functionality are controlled by)
eys on t'e LCPS(it&'es &onne&ted to t'e di$ital inp.ts
2 Volt si$nal
"ield .s si$nals
o( to &ontrol t'e VLT
VLT can inform about status via
Beadin$ on t'e LCP
Di$ital o.tp.ts
Belays
Analo$.e si$nals, &.rrent or volta$e
"ield %.s si$nals
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Learnin$ +-e&tives
We (ill fo&.s on
The main block diagram and components.
How does a VLT frequency converter work
How to control the VLT
Fieldbus
anfoss !oft !tarter
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Typi&al "ield.s Co**.ni&ation
*!T+,T-
*,un forward /00 ,"(-
*5.6.-
*,amping-
*,unning forward 1 234 ,"(-
$ontroller
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"ield %.s &ontrol
A "ield.s is a *edia t'at lins 2 or *ore p'ysi&al .nits, for e6&'an$e of infor*ation)Typi&ally t'is refers to t'e &ontroller &o**.ni&ations proto&ol and p'ysi&al &ale
&onne&tions)
Cales desi$n type is dependent on t'e proto&ol .sed and appli&ation desi$n)
"ield.s &ales &an e fro* a fe( *eters, to ilo*eters in len$t')
Control si$nals &an e a&tivated via t'e "ield.s)
Dependin$ on t'e appli&ation, a&&ess to all or sele&ted drive para*etersis possile)
Detailed error/stat.s *essa$es &an e otained fro* t'e "ield.s)
Typi&al "ield.s &o**.ni&ation is via
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W'y .se a "ield.s
Less Cost at #nstallation)
Data transfer is *ore resistant to ele&tri&al noise)
Bed.&ed n.*er of &ales Less *aintenan&e)
Si*ple e6pansion of syste*)
#n&rease of prod.&tivity)
#n&rease of prod.&t .ality d.e to *ore and etter infor*ation)
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"ield.s Types S.pported y Danfoss Drives
AE@A VAC
A.to*ationDrive
Different "ield.s proto&ols are *ore&o**only .sed in so*e appli&ationtypes &o*pared to ot'ers)
ere (e &an see t'e typi&al proto&ols.sed in t'e pri*ary VLT %.siness Areas)
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>>*edded
++ption
"C G G G G G G G G G G
PB+"#.s DP=V1 + G G G G G G G G G G
Devi&eHet + G G G G G G G G G
Can+pen + G
G G G G G G G G G G
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>nd of
%asi& Drive Te&'nolo$y
Start of
%asi& Soft Starter Te&'nolo$y
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VLT7 !oft !tarter
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Pumps
Fans andBlowers
Cranes
Woodworking
Conveyors
VLT7 !oft !tarter % applications
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!oft !tarter
MotorOverloadA.C. SwitchesContactor
M3 ~
A Soft Starter &ontrolst'e volta$e applied to
t'e *otor y t'e .se ofsolid state A)C) s(it&'es8SCBs9 in series (it't'e s.pply to t'e *otor)
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Fieldbus connection options
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($ 202Co*pa&t Soft Starter
C.rrent li*it soft
start ? *otorprote&tion
($ 20Soft Start ControllerVolta$e ra*p softstart/stop
2 Styles- without motor protection
- with motor protection11 Models
- 7.5 kW~110 kW @ 400VAC2 Voltage Ranges
- 200 ~ 440VAC & 200 ~ 575VACThree frame sizes7,5~30kW , 37~55kW , 75~110kWProtection
- IP20 (7.5 ~ 55 kW)- IP00 (75 ~ 110 kW)
Approvals
- CE- UL508- CSA- CCC*
C-tick
The ,angeVLT $ompact !tarter ($ 200
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8ntegral9y
pass,elays
Very low heat dissipation.No need for additional bypass contactor.
($ 20($ 204
($ 202
VLT $ompact !tarter($ 200 !eries
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MCD203 Compressor starterCustomized MCD201, an example of special design for special customer needs
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+d:ustmentsEight adjustments can be made on theMCD 202 soft starters:
Current Ramp Up (2-15 sec) Current Limit (250-450%)
+ Initial Current (150-250%) Ramp Down (0-20 sec) Motor FLC (50-100%)
Motor Trip Class (10,15,20) Maximum Start Time (0-20 sec) Phase Rotation Protection Auxiliary Relay Function (Trip, Run)
($ 202
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T'e
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