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Geavanceerde elektrische aandrijftechniek samenvatting labo's

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Dit document bevat een gedetailleerde uitwerking van alle labo's met veel foto's en uitleg over de oscilloscoop spanningen, opstellingen. Als je alles van het document goed kent, kan de praktische test niet foutlopen!

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Labo GEAT
1 Lucas Nülle B6 mutator met R-RL als belasting .......................................................................................... 3
1.1 Opstelling ............................................................................................................................................ 3
1.2 Opdracht ............................................................................................................................................. 4
1.2.1 Meting 1: B6 R-belast (0°) uitgaande ......................................................................................... 4
1.2.2 Meting 2: B6 R-belast (60° en 90°) uitgaande ............................................................................ 5
1.2.3 Meting 3: B6 R-belast (0°, 60° en 90°) ingaande ........................................................................ 6
1.2.4 Evaluatie tot en met meting 3 .................................................................................................... 6
1.2.5 Meting 4: B6 RL- belast bij 0°, 60° en 90° ................................................................................... 7
1.2.6 Evaluatie na meting 4 ................................................................................................................. 8
2 Lucas Nülle B6 mutator: DC-motor belasting ............................................................................................. 9
2.1 Opstelling ............................................................................................................................................ 9
2.2 Opdracht ........................................................................................................................................... 10
3 Lucas Nülle hakker: R-RL belasting ........................................................................................................... 12
3.1 Opstelling .......................................................................................................................................... 12
3.2 Opdracht ........................................................................................................................................... 13
3.2.1 R-belasting ................................................................................................................................ 13
3.2.2 RL-belasting .............................................................................................................................. 14
4 Trainer hakker met R-RL als belasting ...................................................................................................... 16
4.1 Opstelling .......................................................................................................................................... 16
4.2 Opdracht ........................................................................................................................................... 18
4.2.1 Werking van de hakker ............................................................................................................. 19
4.2.2 R-belasting ................................................................................................................................ 20
4.2.3 RL- belasting ............................................................................................................................. 20
5 Simulink / Simscape.................................................................................................................................. 23
5.1 Hakker RL-belast ............................................................................................................................... 23
5.2 Effect variabelen ............................................................................................................................... 24
5.3 Opgave 1: B6 RL-belast ..................................................................................................................... 25
5.4 Opgave 2: B6 RL-belast + meewerkende EMK ................................................................................. 26
5.5 Opgave 3: B6 met DC motor ............................................................................................................. 30
5.6 Opgave 4: boost convertor ............................................................................................................... 31
5.7 B6-mutator input en output ifv α ..................................................................................................... 32
5.7.1 Ohms belast .............................................................................................................................. 32
5.7.2 Ohms-inductief belast .............................................................................................................. 33
6 Klokgetallen .............................................................................................................................................. 34
6.1 Inleiding ............................................................................................................................................ 34

, 6.2 Ster-ster: Yy12 of Yy0 ........................................................................................................................ 34
6.3 Ster driehoek Yd1 ............................................................................................................................. 36
6.4 Driehoek-ster Dy11 ........................................................................................................................... 38
6.5 Ster-zigzag Yz7 .................................................................................................................................. 39
6.6 Driehoek-driehoek Dd6 .................................................................................................................... 40
6.7 Ontwerp Yd7 ..................................................................................................................................... 41
6.8 Ontwerp Yz11 ................................................................................................................................... 42
6.9 Meten klokgetal................................................................................................................................ 43
7 Parallel schakelen van transformatoren ................................................................................................... 45
7.1.1 Metingen .................................................................................................................................. 46
8 Motorsturing ............................................................................................................................................ 48
8.1 Direct online (DOL) ........................................................................................................................... 48
8.2 Ster-driehoek .................................................................................................................................... 49
8.3 Softstarter ......................................................................................................................................... 50
8.4 U/f sturing ........................................................................................................................................ 51
8.4.1 U/f sturing parameters ............................................................................................................. 54
8.4.2 U/f sturing labo: opstelling Damfoss ........................................................................................ 55
8.4.3 U/f sturing labo: opstelling pc siemens .................................................................................... 56
9 Sofstarter Labo: opstelling Lucas Nulle .................................................................................................... 56




2

,1 Lucas Nülle B6 mutator met R-RL als belasting
1.1 Opstelling
Ohmse belasting:




Ohms-inductieve belasting:




𝛼 = 𝑜𝑛𝑡𝑠𝑡𝑒𝑒𝑘ℎ𝑜𝑒𝑘

𝛽 = 𝑔𝑒𝑙𝑒𝑖𝑑𝑖𝑛𝑔𝑠ℎ𝑜𝑒𝑘
𝛿 = 𝑑𝑜𝑜𝑓ℎ𝑜𝑒𝑘


3

, 1.2 Opdracht
1.2.1 Meting 1: B6 R-belast (0°) uitgaande
1. Zet de golfvorm van de uitgaande spanning en stroom op de oscilloscoop, voor een ontsteekhoek
gelijk aan 0°. (ohm’s) (0° is bij knop volledig naar rechts en plaats draaiknop op 3 phase control)




2. Meet de gemiddelde en effectieve waarde van deze golfvormen met behulp van het meettoestel van
Lucas Nülle. (zet meettoestel op Mean of average voor gemiddelde (DC stand) en op RMS (AC+DC
stand) voor de effectief waarde !Let op dat de range goed staat!) Op de scoop meet je 670 mV omdat
deze verzwakt is met verhouding 400:2,5.

Gemiddelde (MEAN OF AVERAGE) 109 V
Effectief (RMS) 112 V
Piek-Piek 16 V




alpha is niet exact 0° -> schakelt te laat door houdstroom thyristor




4

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