Presentatie Event “Power Quality | Changing landscape”

2. SPREKER:
Dr.ir. Yin Sun
Technical Challenges of Renewable Hydrogen Production

3. June 2021 3

4. February 2019 4
Energy Transition:
• Increasing amount of intermittentgenerationsource
• Electrificationof industrialsector as well as residentialend-use
• from controllablegenerationto controllableload
Source: Report“ourenergy, ourfuture: how offshorewind will help Europe go
carbon-neutral”,Wind Europe, 2019 November
Source: https://www.tennet.eu/e-insights/energy-transition/annual-peak-load/, access date: 26th March, 2020.

5. 22/Oct/19 5
◼ 2020: 700 MW Borssele ½
◼ 2021: 700 MW Borssele ¾
◼ 2022: 1400 MW Hollandse Kust (Zuid)
◼ 2023: 700 MW Hollandse Kust (Noord)
◼ 2024: 700 MW Hollandse Kust (West) Alpha
◼ 2025: 700 MW Hollandse Kust (West) Beta
◼ 2026: 700 MW Ten Noorden van de Waddeneilanden
◼ 2027: 2000 MW Ijmuijden Ver Alpha (DC)
◼ 2028: 2000 MW Ijmuijden Ver Beta (DC)
Total: 9.6 GW
Total Installed generation capacity 25.6 GW (2020),
and peak load is 18 GW (2020)
Government is consulting on plans to add an extra
10.7GW of offshore wind, raising total target to 22.2GW
by 2030 (link)

6. 6

9. Traditional
concept
GFL wind
farm
HVAC
Grid
connection
AC
DC
DC
AC
Recent
concept
GFL wind
farm
HVDC
Electrolysis H2
(optional)
Grid
connection

10. • Voltage Support
• Dynamic Stability
• Power Quality

11. • Voltage Support
• Dynamic Stability
• Power Quality

12. 380/150 kV/33 kV
1 GW
380/33 kV Substation AIS
380 kV
4×1GW
1 block
216 MVA
Cable
33 kV
33/22 kV
54 MVA
22 kV
2 (or 3) 380 kV circuits from Tennet
33 kV
. . . . . .
. . . . . .
Rectifier
# 1
Rectifier
# 2
Rectifier
# 1
Rectifier
# 2
Harm
Filter
Rectifier
# 1
Rectifier
# 2
22kV/600V
2×27 MVA
7.5º phase
shift
7.5º phase
shift
30º
phase
shift
Circuit breaker
Rectifier
# 1
Rectifier
# 2
7.5º phase
shift
STATCOM
100MVar
150/33 kV
228 MVA
150 kV
5×
216MVA
STATCOM
20MVar
380/33 kV
228 MVA
380/33 kV Substation AIS
380 kV
20×216 =
4320 MVA
1 block
216 MVA
Cable
33 kV
33/22 kV
54 MVA
22 kV
2 (or 3) 380 kV circuits from Tennet
33 kV
. . . . . .
. . . . . .
Rectifier
# 1
Rectifier
# 2
Rectifier
# 1
Rectifier
# 2
Harm
Filter
Rectifier
# 1
Rectifier
# 2
22kV/600V
2×27 MVA
7.5º phase
shift
7.5º phase
shift
30º
phase
shift
Circuit breaker
Rectifier
# 1
Rectifier
# 2
7.5º phase
shift
Concept 1 for GW design Concept 2 for GW design
Acknowledgment: work is performed in collaboration between Shell and Tue, credits goes to Han. M, TU Eindhoven.

13. 0
Q compensation Power factor=1
Power factor=0.9
10.e 10.s 20.e 20.s 30.e 30.s 40.e 40.s 50.e 50.s 60.e 60.s 70.e 80.e 80.s 90.e 110%.eN- 1.e100.e90.s 70.s 110%.s110.eN- 1.s90%.e100.s90%.s110.s
200
400
600
800
1000
1200
1400
1600
1800
Qne ed_ max=1253.68
Qne ed_ min=47.49
380/150 kV/33 kV
1 GW
380/33 kV Substation AIS
380 kV
4×1GW
1 block
216 MVA
Cable
33 kV
33/22 kV
54 MVA
22 kV
2 (or 3) 380 kV circuits from Tennet
33 kV
. . . . . .
. . . . . .
Rectifier
# 1
Rectifier
# 2
Rectifier
# 1
Rectifier
# 2
Harm
Filter
Rectifier
# 1
Rectifier
# 2
22kV/600V
2×27 MVA
7.5º phase
shift
7.5º phase
shift
30º
phase
shift
Circuit breaker
Rectifier
# 1
Rectifier
# 2
7.5º phase
shift
STATCOM
100MVar
150/33 kV
228 MVA
150 kV
5×
216MVA
Type Single-tuned filter high-pass filter
Filter
structure
Harmonic
order
harmonics such as 5th, 7th, etc.
Filter higher order harmonics (such as
13th
)
Input
parameters
Reactive power Q (fixed)
Filter tuning frequency fr in
Hz(fixed)
Quality factor qf (range)
Reactive power Q (fixed)
Filter tuning frequency fr in Hz (fixed)
Quality factor qf (range)
STATCOM– Grid Forming?

14. Modeling
Scope of the project 14
Ggrid(s)
–Gwf(s)
Gh(s)
ΔPwf
ΔQwf
ΔPwfin
ΔQwfin
ΔPh
ΔQh
ΔU
Δθ
ΔPg
ΔQg
ΔPgin
ΔQgin
GPT(s)
Hydorgen plant
Offshore wind farm
Power-tracking controller
AC Grid
ΔPwf
ΔPh2
ΔQh2
ΔPpt
ΔQpt
Onshore hydrogen electrolysis plant
AC Grid
Pwf
Offshore wind farm
Pg
Zg
PCC
HV
LV
Ph2
HV
LV HV
Cable
Powe-tracking controller
UPCC θ
Qwf
Qh2
Qg
Ggrid(s)
ΔPg
ΔQg
ΔQgin
AC Grid
ΔU
Δθ
ΔPgin
Gh(s)
ΔPh
ΔQh Gh(s) ΔU
Δθ
Gwf(s)
ΔPwf
ΔQwf
ΔPwfin
ΔQwfin
ΔU
Δθ
GPT(s)
ΔPwf
ΔPh2
ΔPpt
ΔQpt
Linear transformation
Acknowledgment: work is performed in collaboration between Shell and Tue, credits goes to Han. M, TU Eindhoven.

15. Validation: Power tracking redesign
Scope of the project 15
-40
-30
-20
-10
0
0
10 102
3×102
100
Frequency/Hz
Phase/°
Magnitude/dB
-90
-180
Decrease bandwidth
0
50
100
150
200
power
P of windfarm
Q of windfarm
14 14.2 14.4 14.6 14.8 15 15.2 15.4 15.6 15.8 16
(a)
-360
-180
0
180
10 102
3×102
100
Frequency/Hz
-20
-10
0
10
20
Frequency/Hz
Phase/°
Magnitude/dB
Phase/°
Magnitude/dB
(b)
-40
-30
-20
-10
0
-450
-360
-270
-180
10 102
3×102
100
Subsystem stable
System-level stable
Acknowledgment: work is performed in collaboration between Shell and Tue, credits goes to Han. M, TU Eindhoven.

16. • Summary
• New Technology to offer flexible/digital technology with competitive CAPEX/OPEX
• Technical Requirement for Connection of “Battery” (e.g. Rfg 2.0)
• Technical challenges for harmonic and fault ride through for life-time of asset with
changing power grid environment.

17. BEDANKT
VOOR UW
AANDACHT