emr’11 joint summer school emr’11 lausanne “energetic ... · (university of aalborg, ......

EMR’11 Lausanne July 2011

Joint Summer School EMR’11 “Energetic Macroscopic Representation”

Prof. Alain BOUSCAYROL, Dr. Philippe DELARUE, Dr. Walter LHOMME

L2EP, University Lille1, MEGEVH network, [email protected]

EMR’11, Lausanne, July 2011 2 - Outline -

1. Wind Energy Conversion System • Studied System • EMR of the WECS • Inversion-based control of the WECS

2. PhotoVoltaic Conversion System • Studied System • EMR of the PV system • Inversion-based control of the PV system



A. Bouscayrol, X. Guillaud (University of Lille 1, France)

R. Teodorescu (University of Aalborg, Denmark)

EMR’11 summer school, Lausanne, July 2011 4

Voltage Source Inverter

iinv

uinv13

uinv23

Technical requirements: provide the maximum active power P and control the reactive power Q

vwind

wind

utrans13

trans-former

itrans1

itrans2 iline2

line & filter

utrans23

iline1

Chosen WECS for variable speed and variable frequency: a squirrel cage IM and two VSI

C

capacitor

ucap

irect


urect13

urect23

induction machine

iim1

iim2

Ωshaft

Cim

shaft & gearbox

blades

Ωgear

Cblade

Ωshaft

Cgear ugrid13

electric grid

ugrid23

- Studied WECS -

WECS control


Ftang

CT

CT = f(λ)

vblade

Tblade

Ωshaft

Rblade

Fblade

vwind Fblade

- EMR of the blades -

vwind

Fblade

Tblade

Ωshaft


Ωhs

T2 Ωhs

Tim T1 T2 Ωls T1

Ωls

Tblade T1

Ωls

Ωhs

T2 Tim

Ωhs

Tblade Ωls

slow speed shaft high speed shaft

Ωls Ωhs

gearbox

- EMR of the mechanical powertrain -


OK

Element association?

T1

- EMR of the mechanical powertrain -

k

Ωhs

T2 Ωhs

Tim T1 T2 Ωls T1

Tblade Ωls Ωls Ωhs

Tim Ωls T1

Ωls

T2

Ωhs

Ωls

T1 1. permutation

Tblade Ωls

2. merging 2 2 1

J J J eq + =

Ωshaft

Tgear

Ωgear

Ωshaft

Tblade

Tim

Equivalent power train


is1 vs1

stator

1s

2s

3s

is3

vs3

is2 vs2 rotor 1r

2r

3r

pΩ

θr/s

isd

θd/s

isq

vsd

vrd ird

vsq

vrq irq

d

q

1s

rotor

stator

1r

θr/s

Park’s transformation

Modelling simplifications:

- EMR of the squirrel cage IM -


Ωgear

Tim

is-dq

es-dq is-dq

vs-dq

istator

ustator

φr ir-dq

er-dq ir-dq

vr-dq

irotor

urotor=0

θd/r

θd/s

Park’s transformations

Rotor windings in (d,q)

Stator windings in (d,q)

Simplified EMR

Ωgear istator

Tim istator

estator

Squirrel cage permutation of windings and transformation concatenation of EM conversion and transformation

ustator

Coupling device

- EMR of the squirrel cage IM -


urect ucap

srect

iinv iline

uinv13

uinv23

C ucap

iond

irect iim1

iim2 urect13

urect23

iim irect uinv ucap

sinv

Rect Inv

- EMR of the back-to-back VSI -

ifilt1

ifilt2


ugrid

i3

i3

u3

u2 u3

i2 i3

u1

i1

i1

uinv

u2

i2

i2

u1

uinv13 u13-1 u13-2 u13-3 ugrid-13

i1 i2 i3

filter line 1 Ideal

transformer line 2

- EMR of the grid connexion -


OK

iline ugrid utransf

uinv itransf iline

- EMR of the grid connexion -

i1 u2 i2 ugrid u’3

2. permutation u2 i3 i2

1. merging uinv i1

3. merging

ugrid

i3

i3

u3

u2 u3

i2 i3

u1

i1

i1

uinv

u2

i2

i2

u1

Element association?


vwind

ugrid minv mrect

Fblade

Tblade

Ωshaft Tgear

Ωshaft

Tim

Ωgear

eim

iim

iim

urect

irect

ucap

ucap

iinv

uinv

iline

iline

utransf

itransf


iinv

uinv13

uinv23

vwind

wind

utrans13

trans-former

itrans1

itrans2 iline2

line & filter

utrans23

iline1

C

capacitor

ucap

irect


urect13

urect23

induction machine

iim1

iim2

Ωshaft

Cim

shaft & gearbox

blades

Ωgear

Cblade

Ωshaft

Cgear ugrid13

electric grid

ugrid23

equivalent line & transformer

inverter capacitor induction machine

rectifier equivalent power train

blade

T’ Wind grid

- EMR of the WECS -


minv mrect

2 freedom degrees 2 freedom degrees

ref 3 ?

ref 4 ? ref 2 ? ? ? ref 1 ?

objectives: active power P reactive power Q

constraints: capacitor voltage machine flux

- Tuning chains of the WECS -

vwind

ugrid Fblade

Tblade

Ωshaft Tgear

Ωshaft

Tim

Ωgear

eim

iim

iim

urect

irect

ucap

ucap

iinv

uinv

iline

iline

utransf

itransf

T’ Wind grid

equivalent line & transformer inverter capacitor

induction machine rectifier

equivalent power train blade


iim-ref

PWM

urect-ref Tgear-ref Tim-ref

FOC

Φim-ref

FOC: Field oriented Control PWM: Pulse Width Modulation

MPPT = Maximum Power Point Tracking

MPPT Tgear-ref

mrect

- WECS control with MPPT -

vwind

Fblade

Tblade

Ωshaft Tgear

Ωshaft

Tim

Ωgear eim

iim

iim

urect Wind DC

bus

induction machine rectifier

equivalent power train blade


Tgear-ref

MPPT = Maximum Power Point Tracking

MPPT

0 100 200 300 400 500 600 700 800 900

1000

0 5 10 15 20 25 30 35

Power (kW)

3 m/s 4 m/s 5 m/s 6 m/s 7 m/s 8m/s 9 m/s 10 m/s 11 m/s 12 m/s 13 m/s Pref

Rotation speed (rpm)

wind velocity

Pmax#TgearΩshaft

Ωmax

Ωshaft-mes

Pmax

Tgear-ref

MPPT look-up

table

- MPPT strategy -

Ωshaft-mes



Dr. W. Lhomme, Dr. P. Delarue, Prof. A. Bouscayrol, (University of Lille 1, France)


Technical requirements: provide the maximum active power P

- Studied PV System -

PV control

EMR’11 summer school, Lausanne, July 2011 19 - EMR of the PV System -

ipv PV

panel Battery

uC

uC

iL

iL

ubc

ibc

ubat mbc


iL ubat

- EMR of the PV System -

ipv PV

panel Battery

uC iL

ubc

ibc

chopper filter

mbc uC

EMR’11 summer school, Lausanne, July 2011 21 - Inversion-based control of the PV System -

ipv PV

panel Battery

uC

uC

iL

iL

ubc

ibc

ubat

chopper filter

mbc

uC-ref iL-ref ubc-ref

MPPT = Maximum Power Point Tracking uC-ref

MPPT

ipv-mes


uC-ref

- MPPT strategy of the PV System -

MPPT = Maximum Power Point Tracking MPPT

ipv-mes uC-mes

EMR’11, Lausanne, July 2011 24 - References -

A. Bouscayrol, P. Delarue, “Simplifications of the Maximum Control Structure of a wind energy conversion system with an induction generator", International Journal of Renewable Energy Engineering, Bol. 4, no. 2, August 2002, pp. 479-485.

P. Delarue, A. Bouscayrol, A. Tounzi, X. Guillaud, G. Lancigu, “Modelling, control and simulation of an overall wind cenergy conversion system",Renewable Energy,vol. 28, no. 8, pp. 1159-1324, July 2003, (common paper L2EP Lille and Jeumont SA).

A. Bouscayrol, P. Delarue, X. Guillaud, “Power strategies for Maximum Control Structure of a wind energy conversion system with a synchronous machine", Renewable Energy, vol. 30, May 2005, pp. 2273-2288.

A. Bouscayrol, X. Guillaud, R. Teodorescu, P. Delarue, "Validation of MPPT strategy for a wind energy conversion system using a hardware-in-the-loop simulation",IEEE-Optim'06, Brasov (Romania), May 2006 (common paper of L2EP and University of Aalborg).

A. Bouscayrol, X. Guillaud, R. Teodorescu, P. Delarue, W. Lhomme, "Hardware-in-the-loop simulation of different wind turbines using Energetic Macroscopic Representation", IEEE-IECON'06, Paris, November 2006, (common paper of L2EP and University of Aalborg).

A. Bouscayrol, X. Guillaud, P. Delarue, B. Lemaire-Semail, “Energetic Macroscopic Representation and inversion-based control illustrated on a wind energy conversion systems using Hardware-in-the-loop simulation”, IEEE transactions on Industrial Electronics, to be published in 2009, available on Xplore

emr’11 joint summer school emr’11 lausanne “energetic ... · (university of aalborg, ......

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