3rd International Hybrid Power Systems Workshop

Transcription

1 3rd International Hybrid Power Systems Workshop Tenerife/Spain E.Vales Vergnet S.A

2 2/20 Contents Vergnet presentation Hybridization Projects insights Les Saintes Nouadhibou Yap Conclusion 2

3 Vergnet presentation

4 3/20 Vergnet company Location Ormes (France Orléans) 3

5 3/20 Vergnet company Location Ormes (France Orléans) Subsidiaries in the Caribbean, Indian Ocean, Pacific, Africa 3

6 3/20 Vergnet company Location Ormes (France Orléans) Subsidiaries in the Caribbean, Indian Ocean, Pacific, Africa Staff of 100 of which 60% in design, engineering and O&M 3

7 3/20 Vergnet company Location Ormes (France Orléans) Subsidiaries in the Caribbean, Indian Ocean, Pacific, Africa Staff of 100 of which 60% in design, engineering and O&M 25 years experience in difficult and isolated areas 3

8 3/20 Vergnet company Location Ormes (France Orléans) Subsidiaries in the Caribbean, Indian Ocean, Pacific, Africa Staff of 100 of which 60% in design, engineering and O&M 25 years experience in difficult and isolated areas 365 MW installed (Wind and PV) in 40 countries 3

9 Hybridization

10 4/20 Hybridization We are all here to speak about Hybrid, we all have an idea of what is means 4

11 4/20 Hybridization We are all here to speak about Hybrid, we all have an idea of what is means but 4

12 4/20 Hybridization We are all here to speak about Hybrid, we all have an idea of what is means but There doesn t seem to be a precise definition of what a power hybrid system is 4

13 4/20 Hybridization We are all here to speak about Hybrid, we all have an idea of what is means but There doesn t seem to be a precise definition of what a power hybrid system is Saying an hybrid grid is a grid with renewable energy is not enough, 4

14 4/20 Hybridization We are all here to speak about Hybrid, we all have an idea of what is means but There doesn t seem to be a precise definition of what a power hybrid system is Saying an hybrid grid is a grid with renewable energy is not enough, Connecting a 500kW solar plant to a 5MW diesel grid is not what we call hybridization at VERGNET. 4

15 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: 5

16 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples 5

17 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits 5

18 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve 5

19 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve RE Power excess (when battery grid forming) 5

20 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve RE Power excess (when battery grid forming) Voltage regulation 5

21 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve RE Power excess (when battery grid forming) Voltage regulation Frequency regulation 5

22 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve RE Power excess (when battery grid forming) Voltage regulation Frequency regulation Grid safety 5

23 5/20 Hybridization at VERGNET We consider an installation to be hybrid if for a reason or another a curtailment of renewable energy is required: Examples Thermal gensets operational limits Spinning reserve RE Power excess (when battery grid forming) Voltage regulation Frequency regulation Grid safety Power quality (Harmonics, flicker) 5

24 6/20 Isolated grids key issues Small Islands grids are characterized by: 6

25 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power 6

26 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power 6

27 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve 6

28 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power 6

29 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels 6

30 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels 6

31 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels Theses specificities lead to potentially high variations of voltage and frequency in case of grid fault or power producer failure. 6

32 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels Theses specificities lead to potentially high variations of voltage and frequency in case of grid fault or power producer failure. Grid security can be an issue when adding renewables 6

33 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels Theses specificities lead to potentially high variations of voltage and frequency in case of grid fault or power producer failure. Grid security can be an issue when adding renewables Shord circuit power can be too low to trip existing protections 6

34 6/20 Isolated grids key issues Small Islands grids are characterized by: Small installed power Low short circuit power Small spinning reserve High ratio peak demand short circuit power N-1 contingency rarely used for diesels Theses specificities lead to potentially high variations of voltage and frequency in case of grid fault or power producer failure. Grid security can be an issue when adding renewables Shord circuit power can be too low to trip existing protections Specific grid protections have to be designed and properly set 6

35 Projects insights

36 7/20 Power hybrid systems by Vergnet Vergnet has a long experience in connecting unpredictable renewable energy producers to weak grids: first installation of wind turbines on an small island diesel grid in Date Name Location Renewables P Diesel P Grid P Remark 2018 Amdjaras Chad 1.1 MW wind 500 kw 700 kw 300 kw/2.5 MWh storage Grid forming 2018 Yap Micronesia 1.5 MW wind & PV 3x1.6 MW grid 2MW max 2017 Kiffa Mauritania 1.3 MW PV 2015 Bonriki Kiribati 1.3 MW PV 5 5MW 2013 Nouadhibou Mauritania 4.4 MW wind 16 MW 2013 Devil s point Vanuatu 3.5 MW wind 2011 Marsabit Kenya 0.5 MW wind 2.4 MW 2009 El Toqui Chile 1.5 MW wind 6 MW 2007 Coral Bay Australia 825 kw Low load diesel + Flywheel (Powercorp) 2005 Les Saintes French Carribean 1.9 MW 7

37 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues 8

38 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues Impedance at point of common coupling was too high, this was the first time VERGNET encountered hybridization issues and a very trivial form of automatic regulation had to be implemented: 8

39 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues Impedance at point of common coupling was too high, this was the first time VERGNET encountered hybridization issues and a very trivial form of automatic regulation had to be implemented: solution 8

40 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues Impedance at point of common coupling was too high, this was the first time VERGNET encountered hybridization issues and a very trivial form of automatic regulation had to be implemented: solution Voltage regulation at turbine level 8

41 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues Impedance at point of common coupling was too high, this was the first time VERGNET encountered hybridization issues and a very trivial form of automatic regulation had to be implemented: solution Voltage regulation at turbine level A power limitation had to be implemented 8

42 8/20 Les Saintes, Guadeloupe Commissioned 2007 Connection issues Impedance at point of common coupling was too high, this was the first time VERGNET encountered hybridization issues and a very trivial form of automatic regulation had to be implemented: solution Voltage regulation at turbine level A power limitation had to be implemented Utility agreeded on a downgraded cos φ 8

43 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. 9

44 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull

45 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull 3.63 Near shore, hot climate, no rain, very high corrosion, sand 9

46 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull 3.63 Near shore, hot climate, no rain, very high corrosion, sand Average load 5.5 MW, max load 10 MW 9

47 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull 3.63 Near shore, hot climate, no rain, very high corrosion, sand Average load 5.5 MW, max load 10 MW 4 4 MW diesel gensets 9

48 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull 3.63 Near shore, hot climate, no rain, very high corrosion, sand Average load 5.5 MW, max load 10 MW 4 4 MW diesel gensets 9

49 9/20 Nouadhibou, Mauritania Commissionned 2018 SNIM iron ore terminal More than 12 Mt of ore per year is transported by train from the mines to Nouadhibou harbor to be loaded and exported by sea. Site conditions Wind speed 8.78 m s 1 at hub height, Weibull 3.63 Near shore, hot climate, no rain, very high corrosion, sand Average load 5.5 MW, max load 10 MW 4 4 MW diesel gensets An EPC tender was issued in

50 10/20 Nouadhibou, Mauritania Studies VERGNET proposed a full grid study To assess and guarantee the achievable wind power penetration according to wind profile, grid load cycles and diesel gensets characteristics while ensuring: 10

51 10/20 Nouadhibou, Mauritania Studies VERGNET proposed a full grid study To assess and guarantee the achievable wind power penetration according to wind profile, grid load cycles and diesel gensets characteristics while ensuring: Security of goods and persons 10

52 10/20 Nouadhibou, Mauritania Studies VERGNET proposed a full grid study To assess and guarantee the achievable wind power penetration according to wind profile, grid load cycles and diesel gensets characteristics while ensuring: Security of goods and persons Availability of the grid 10

53 10/20 Nouadhibou, Mauritania Studies VERGNET proposed a full grid study To assess and guarantee the achievable wind power penetration according to wind profile, grid load cycles and diesel gensets characteristics while ensuring: Security of goods and persons Availability of the grid Power quality 10

54 11/20 Nouadhibou, Mauritania Studies The studies covered the following points: 11

55 11/20 Nouadhibou, Mauritania Studies The studies covered the following points: On site measurement session to precisely characterize the gensets performances 11

56 11/20 Nouadhibou, Mauritania Studies The studies covered the following points: On site measurement session to precisely characterize the gensets performances Numeric modeling of the whole grid with producers and consumers 11

57 11/20 Nouadhibou, Mauritania Studies The studies covered the following points: On site measurement session to precisely characterize the gensets performances Numeric modeling of the whole grid with producers and consumers Simulation campaign addressing all possible cases 11

58 11/20 Nouadhibou, Mauritania Studies The studies covered the following points: On site measurement session to precisely characterize the gensets performances Numeric modeling of the whole grid with producers and consumers Simulation campaign addressing all possible cases Diesel-Wind power plant operating rules definition from analysis of simulation results 11

59 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: 12

60 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines 12

61 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant 12

62 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant Starting of power loads 12

63 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant Starting of power loads Disconnection of loads 12

64 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant Starting of power loads Disconnection of loads Disconnection of a diesel group 12

65 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant Starting of power loads Disconnection of loads Disconnection of a diesel group 12

66 12/20 Nouadhibou, Mauritania Field tests The behavior of the diesel power plant and wind power plant was checked during both normal and unforeseen transient events like: Disconnection of one or several wind turbines Disconnection of the whole wind power plant Starting of power loads Disconnection of loads Disconnection of a diesel group Customer did not allow a full automation of diesel Genset so operating values are set by operators, a set of operating rules were defined to set the wind power plant power level according to grid state. 12

67 13/20 Nouadhibou, Mauritania Results We define the penetration ratio r by : r = P W P L 100 (1) Where P W is wind power, P L is load power. represents cases with a blackout risk due to lack of spinning reserve represents impossible cases. Load (kw) Nb running groups % % % 20.0% % 36.0% 4.0% % 46.7% 20.0% % 43.7% 31.4% % 38.3% 40.0% % 46.7% % 45.9% % 41.7% % 38.3% % 35.3% % 32.8% % 30.6% % 28.7% % % % % Achievable long term penetration ratio 13

68 14/20 Nouadhibou, Mauritania Results very good results are achieved thanks to exceptional site conditions. Penetration rate (%) Maximum Average year daily penetration record, 7 days average Wind power plant output: 19 GW h year 1 Fuel savings : 4800 t year 1 Pollution avoided (CO 2, NO x, SO 2 ): t year 1 14

69 15/20 Yap, F.S.Micronesia Commissionned 2017 Tender citation The goal for integration and control system is to achieve highest possible renewable energy penetration, while maintaining power system stability and electric energy supply reliability at the same time. To ensure this, the integration and control system will take control over all other components in Yap power system, scheduling of diesel generators, and dispatching wind and solar generation... 15

70 16/20 Yap, F.S.Micronesia System architecture Architecture 16

71 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm 3 wind turbines YSPSC power station Solar Site Solar Site Ethernet Optical fiber Wind Farm substation YAP YREDP-ICB-02 Communication scheme 16

72 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm 3 wind turbines YSPSC power station Solar Site Automation of Gensets Solar Site Ethernet Optical fiber Wind Farm substation YAP YREDP-ICB-02 Communication scheme 16

73 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm YSPSC power station Solar Site 3 wind turbines Automation of Gensets Solar Site Island power management Ethernet Optical fiber Wind Farm substation YAP YREDP-ICB-02 Communication scheme 16

74 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm YSPSC power station Solar Site 3 wind turbines Automation of Gensets Solar Site Island power management Ethernet Wireless communication with solar plants Optical fiber Wind Farm substation YAP YREDP-ICB-02 Communication scheme 16

75 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm YSPSC power station Solar Site 3 wind turbines Automation of Gensets Solar Site Island power management Ethernet Wireless communication with solar plants Optical fiber Wind Farm substation YAP Power analysers at grid key points YREDP-ICB-02 Communication scheme 16

76 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm YSPSC power station Solar Site 3 wind turbines Automation of Gensets Solar Site Island power management Ethernet Wireless communication with solar plants Optical fiber Wind Farm substation YAP Power analysers at grid key points YREDP-ICB-02 Communication scheme 16

77 16/20 Firewall Gateway PLC or I/O Power SCADA Power meter 4.2 kv Switchgear Power meter I/O I/O 13.8 kv Switchgear Showcase I/O I/O V-SCADA PLC Reclosing PLC PLC Protection relays PLC Power analyser Yap, F.S.Micronesia System architecture Architecture Wind Farm YSPSC power station Solar Site 3 wind turbines Automation of Gensets Solar Site Island power management Ethernet Wireless communication with solar plants Optical fiber Wind Farm substation YAP Power analysers at grid key points YREDP-ICB-02 Communication scheme Grid study similar as Nouadhibou was performed. 16

78 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller 17

79 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller Hybrid Wizard is the result of Vergnet s experience 17

80 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller Hybrid Wizard is the result of Vergnet s experience Real-time control of Power Quality 17

81 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller Hybrid Wizard is the result of Vergnet s experience Real-time control of Power Quality RE penetration is always maximized to what the grid can accept 17

82 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller Hybrid Wizard is the result of Vergnet s experience Real-time control of Power Quality RE penetration is always maximized to what the grid can accept Grid stability is guaranteed 17

83 17/20 Yap, F.S.Micronesia Hybrid Wizard Controller Hybrid Wizard is the result of Vergnet s experience Real-time control of Power Quality RE penetration is always maximized to what the grid can accept Grid stability is guaranteed Grid security is guaranteed 17

84 18/20 Yap, F.S.Micronesia Studies Expected performances At bid time a simple load flow study was performed to assess performances Hours Hours none 6 3 none Mar 01 Mar 02 Mar 03 Mar 04 Mar 05 Mar 06 Mar 07 Mar 08 Mar 09 Mar 10 Mar 11 Mar 12 Mar 13 Mar 14 0 Mar 16 Mar 17 Mar 18 Mar 19 Mar 20 Mar 21 Mar 22 Mar 23 Mar 24 Mar 25 Mar 26 Mar 27 Mar 28 Mar 29 Mar 30 Mar 31 Days Mar 15 Above is heat map of connected diesels without and with renewable energy. Below is expected penetration rate. Data is on one month to remain legible. Hours Mar 01 Mar 02 Mar 03 Mar 04 Mar 05 Mar 06 Mar 07 Mar 08 Mar 09 Mar 10 Mar 11 Mar 12 Mar 13 Mar Mar 01 Mar 02 Mar 03 Mar 04 Mar 05 Mar 06 Mar 07 Mar 08 Mar 09 Mar 10 Mar 11 Mar 12 Mar 13 Mar Mar 16 Mar 17 Mar 18 Mar 19 Mar 20 Mar 21 Mar 22 Mar 23 Mar 24 Mar 25 Mar 26 Mar 27 Mar 28 Mar 29 Mar 30 Mar 31 Days Mar 15 Mar 16 Mar 17 Mar 18 Mar 19 Mar 20 Mar 21 Mar 22 Mar 23 Mar 24 Mar 25 Mar 26 Mar 27 Mar 28 Mar 29 Mar 30 Mar 31 Days Mar

85 19/20 Yap, F.S.Micronesia First results 0.5 Maximum (2 sec) Average (10 mn) Grid Diesel Wind 1500 Solar Penetration rate (%) kw :00 02:24 04:48 07:12 09:36 12:00 14:24 16:48 19:12 21:36 00:00 02: day record Wind power plant output: 2.1 GW h year 1 Solar power plants output: 1.2 GW h year 1 Expected Fuel savings: 730 t year 1 19

86 Conclusion

87 19/20 Conclusion Most existing installations have a huge installed diesel power with too powerfull gensets for fine adjustment of spinning reserve. 19

88 19/20 Conclusion Most existing installations have a huge installed diesel power with too powerfull gensets for fine adjustment of spinning reserve. Preparation work from a consultant is paramount in tenders, for mutual agreements, companies must be competent or subcontract. 19

89 19/20 Conclusion Most existing installations have a huge installed diesel power with too powerfull gensets for fine adjustment of spinning reserve. Preparation work from a consultant is paramount in tenders, for mutual agreements, companies must be competent or subcontract. Take Operation & Maintenance into account since the very beginning of the project. 19

90 19/20 Conclusion Most existing installations have a huge installed diesel power with too powerfull gensets for fine adjustment of spinning reserve. Preparation work from a consultant is paramount in tenders, for mutual agreements, companies must be competent or subcontract. Take Operation & Maintenance into account since the very beginning of the project. Technological choices and targets must fit to the local capability and infrastructures. 19

91 19/20 Conclusion Most existing installations have a huge installed diesel power with too powerfull gensets for fine adjustment of spinning reserve. Preparation work from a consultant is paramount in tenders, for mutual agreements, companies must be competent or subcontract. Take Operation & Maintenance into account since the very beginning of the project. Technological choices and targets must fit to the local capability and infrastructures. If knowhow is not already present, include a capability building programme 19

92 20/20 Thank you for your attention 20