ENERGY STORAGE ROUND TABLE

(1)

ENERGY STORAGE ROUND TABLE

NATIONAL RENEWABLE

ENERGY CENTRE

RENEWABLE ENERGIES GRID

INTEGRATION

(2)

INDEX

00 Energy Storage

01 Benefits and opportunities

02 Challenges

(3)

•

Electrical

Energy Storage

•

Pumped Hydro

•

CAES

•

Advanced Batteries

•

Redox batteries

00

Energy Storage Systems

•

Supercaps

•

Flywheels

•

SMES

(4)

•

Thermal

Energy Storage

•

Heat Pumps and steam accumulators

•

Phase-Change Materials (Molten Salts)

•

Solid and liquid storage (water, oils, concrete,…)

•

Cold systems (ice, liquid nitrogen,…)

00

Energy Storage Systems

•

Virtual

Energy Storage-Dispachable loads

•

Electric Vehicles

•

Heat and Cold Systems

•

Desalinization (islands)

(5)

•

Improved energy efficiency, optimized use of energy

•

Minimisation of overall energy consumption

•

More integration of renewable energies and local resources

•

Reduced environmental impact

•

Improvement of reliability and flexibility of power plants (bulk

energy arbitrage, ancillary services,…)

01

Benefits

energy arbitrage, ancillary services,…)

•

Network operational benefits, avoiding local bottlenecks

(transmission and distribution support, access, congestion)

•

More cost efficient electricity infrastructure replacement (Deferred

Transmission and/or Distribution Upgrade Investment)

(6)

•

Grid System

Bulk Electricity Price Arbitrage (arbitrage)

Central Generation Capacity (generation capacity)

Ancillary Services

Transmission Support

Reduce Transmission Capacity Requirements

Reduce Transmission Congestion (transmission congestion)

01

Applications and market

Reduce Transmission Congestion (transmission congestion)

Transmission and Distribution Upgrade Deferral (T&D deferral)

•

End-user/Utility Customer

Time-of-Use Energy Cost Management

Demand Charge Management

Electric Service Reliability (reliability)

Electric Service Power Quality (PQ)

•

Renewables

Renewables Capacity Firming (renewables capacity)

Renewables Contractual Time-of-Production Payments

(7)

•

Technical

Efficiency

•

Economical

Costs

•

Environmental

03

Barriers and Challenges

•

Research organizations

•

Manufacturers

•

Environmental

Large impact

Toxicity

•

Market and Legal Regulatory Framework

Administrative Procedures

Tariffs

•

All together

•

R&D

•

Manufacturers

•

Administration organisms

•

Lawyers

•

Economists

•

Regulators

(8)

ENERGY STORAGE

GRID INTEGRATION

OBJECTIVE: Renewable energies grid integration analysis and definition of solutions to

improve the RES penetration

04 IRE DEPARTMENT

CENER Activities

ENERGY STORAGE

GRID INTEGRATION

HIGH

VOLTAGE

INTEGRATION

DISTRIBUTED

GENERATION

SMART GRIDS

(9)

OBJECTIVE: Renewable energies grid integration

analysis and definition of solutions to improve the

RES penetration

04 IRE DEPARTMENT

Integration

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Grid

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n model

Wound

rotor

induction

machine

Wind turbine model

Wind

2 main areas:

Energy Storage

Grid Integration: Distributed Generation + Integration + High Voltage

CENER Activities

Integration

- Analysis of the response of the electromagnetic transients

phenomena (overvoltages)

-

HVDC Configurations

-

Measurements of electrical variables and data acquisition

services.

-

Development of virtual test platforms

-

Potential of wind power generation penetration in electric

power systems: Power flow analysis and Dynamic response of

the electrical system

High Voltage

-

Lightning protection

- Installations risk analysis for lightning discharges

- Lightning protection systems design

- Lightning prevention systems design: 2D and 3D

electric field simulation

-

Grounding systems design

- Complex soils

- Frequency behavior

w

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(

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C p m N 5 0 8 5 0 .txt

C p m

Wind turbine model

Wind

model

Distributed Generation

-

Smart grids

-

Design and optimization

-

Implementation

-

Control development (management strategies)

-

Simulation models development (hardware in the loop)

-

Storage systems integration

Energy Storage

-

Characterization, models development and testing

storage systems

-

Technical-economic feasibility studies of Energy Storage

Systems (ESS) integration with RES

-

Experimental studies of renewable power plants (wind)

with energy storage systems

(10)

04 SKILLS – ENERGY STORAGE

1. Technical-economic feasibility studies of Energy Storage Systems (ESS) integration

with RES

Development of Software for system management: WHG

- Economic optimization

- Maximization of the energy availability

- Energy sales management

(11)

04 SKILLS ENERGY STORAGE

2. Experimental studies of renewable power plants (wind) with energy storage systems

- Power plants with hydrogen technologies

- Characterization of electrochemical systems working on standard conditions and

integrated with renewables

• Flow batteries (V, Zn-Br)

• Advanced batteries (Li)

- Definition and development of degradation tests

- Improvement proposals for the technologies for a correct integration with renewables

and for a cost reduction (in collaboration with manufacturers)

(12)

3. Virtual Storage or Load Management

- Energy management studies through different means of “virtual storage”

• Cold storage chambers and refrigeration systems

• Electric vehicles

• Heating systems

• Desalination

(13)

4. Studies of Energy Scenarios

- Development of economic models for energy scenarios

- Forecasts of the evolution of the energy market, at regional or national level

- Mid/long term estimation of the penetration of new technologies in the energy market (off-shore wind

energy, hydrogen, electric vehicles, energy storage systems, etc.)

- Study of the influence of different factors such as feed-in tariffs, GHG restrictions, government energy

plans, abatement of resources, change of resource costs, etc.

- Studies with TIMES

- Generator of economic models of energy systems

- Allows to estimate the energy dynamics along the years

- Useful for the study of the whole energy system or to analyze in detail one of its sectors (i.e. electric

sector)

- A complete scenario consist of: Energy services demands + Primary resources availability +

Regulations (feed-in tariffs, restrictions, etc.) + Characteristics of the technologies

(14)

04 RELEVANT PROJECTS

Target:

Feasibility study for the installation of an energy storage system based on flow batteries applied to

minihydraulic run-of-river power plants

Funding:

Fondos Comunes de Cooperación Aquitania/Navarra

Duration:

12 months

Hydrostock: Technical economic study of a storage system

for minihydraulic power plants

Definition and analysis of a residential building with

hydrogen energy contribution

Target:

Study and analysis of a residential building using hydrogen as an energy source. The aim is to

define the characteristics and requirements needed to tackle the built of a building with

integration of hydrogen technologies.

(15)

04 RELEVANT PROJECTS

WindHyGen Project

Target:

Technical economic feasibility study for the installation of a wind farm with energy

storage based on hydrogen technologies

Client:

SPRIN

Duration:

10 months

Anteproyecto de planta generadora de H2 con eólica

Target:

Technical economic feasibility study and development of the preliminary plan for the

installation and exploitation at industrial level of a plant for generation, storage and use

of hydrogen for electric production from 4 wind turbines in Robres, Huesca.

(16)

Target:

Theoretical and experimental studies in the experimental plant for hydrogen production

and storage installed in Parque de Sotavento (Galicia)

Client:

Gas Natural

Duration:

30 months

Study of the hydrogen production and storage plant in

Parque Eólico Experimental de Sotavento

electrolizador

motor

compresor

(17)

NightWind Project

Target:

European project to study the storage of excess wind energy in cold warehouses and to develop

a control system

Funding:

European Commission, FP6

Duration:

36 months

http://www.nightwind.eu/

Technologies for off-shore wind farms in deep waters (EOLIA)

Target:

Study of the energy storage technologies at industrial scale, able to be used in offshore wind farms, to

evaluate their feasibility and adequacy for these applications. Simulations were carried out through models

taking into account their specific characteristics, as well as different transmission and evacuation

configurations and a possible integration with different energy storage systems were studied. Analysis of

Load management using desalination and/or the combination with other energy storage systems as a

“virtual storage”.

(18)

CENIT SPHERA

Objective:

Strategic Industrial Research developed by a large industrial-public partnership related

to the technical development of production, distribution, storage and use of hydrogen

Client:

ACCIONA

Duration:

4 years

REVE (Management of Wind Power with Electric Vehicles )

Objective:

Detailed study of key technical and economical challenges to develop a network that

facilitates electric vehicles to be used as energy storage systems and increase the

integration of wind power into the electric grid

(19)

OPTIMAGRID

Objective:

The project aims to define, design, develop and implement intelligent control systems of

energy that facilitate the real-time electric energy management of a microgrid applied to

an industrial area with high penetration rate of renewable energy

Funding:

SUDOE Interreg

Duration:

2 years

Funding:

SUDOE Interreg

Duration:

2 years

stoRE

Objective:

The objective is to create the framework conditions that will allow energy storage

infrastructure to be developed to accommodate higher percentages of intermittent and

variable renewable energy resources, paving the way towards the achievement of the

2020 and 2050 targets.

(20)

Sangüesa

04 MICROGRID

SPAIN

(21)

Microgrid aimed at industrial application

AC architecture with a power of 100 kW aprox

Supplying part of Wind Turbine Test Laboratory –

LEA- electric loads and Rocaforte industrial estate

04 DESCRIPTION: PRESENT

LEA- electric loads and Rocaforte industrial estate

lighting

It could operate as connected as isolate modes

It also will be used as a test bench for new

equipment, generation systems, energy storage,

control strategies and protection schemes

(22)

(23)

GENERATION

04 DESCRIPTION: EQUIPMENTS

G- Photovoltaic Installation 25 kWp

G- Wind turbine 20 kW full-converter

(24)

STORAGE SYSTEMS

(25)

STORAGE SYSTEMS

(26)

Generation: Gas MicroTurbine 30 kW with thermal use (heat and cool)

Storage Systems:

o

Supercapacitors 30 kW, 45 s

o

Supercapacitors 10 kW, 4 s

o

Electric Vehicle

04 NEW EQUIPMENTS

(27)

LOAD

CONTROL AND MANAGMENT SYSTEM

(28)

MICROGRID SCHEME:

Common low voltage busbar for all equipments

Loads feeding through public grid or microgrid

busbar

Flexible Working

Switch on/off control of each equipment

P/Q references per phase control to supply or

absorb energy by storage systems

P/Q references per phase control to supply

energy from diesel generator

Pmax restrictions control for renewable

generation systems

Operation modes selector and managment

control versions

(29)

MAIN CONTROL PANEL:

Design and implementation made by CENER

System based on Siemens PLC S//300

- Installation robustness

- Widely test and use in industrial environment

- Software development made by CENER

04 DESCRIPTION: CONTROL SYSTEM

- Software development made by CENER

Energy Managment Application

Equipment Control Application

}

(30)

SCADA SYSTEM:

Design and implementation made by

CENER

Developed using Siemens Simatic WinCC

tool

04 DESCRIPTION: SCADA SYSTEM

tool

Access through Internet

Possibility to control the whole installation

in real time

Possibility to display the function

parameters in real time

(31)

PROTECTION AND MEASUREMENT SYSTEM

Protection system for connected and isolated mode

Integrated measurement system makes possible an

optimal energy control

Internal measurement calibration to assure the right

operation and quality standards

Protection data reading

04 DESCRIPTION: PROTECTION SYSTEM

operation and quality standards

UTILITY PROTECTION SYSTEM

Relay communication assisted by Iberdrola in case

of lack or defect in medium voltage net which our

installation is connected to (Immediate tripping the

header switch)

Relay of minimum/maximun voltage detection

(Immediate tripping the header switch)

Individual protection for

equipments

Relay of min/max

voltage

Relay

communication

assited

(32)

- Modbus RTU

- Ethernet

- Optical Fiber

Data storage in CENER server

Communication

cabinet and Server

04 DESCRIPTION: COMMUNICATIONS

Integrated into the CENER network

Access from any emplacement as

CENER as external one

Optical Fiber to

Ethernet conversor

(33)

Vc_redconectado 50 Vb_redconectado 49 Va_red _conectado 48 Qc_red_conectado 47 Qb_red _conectado 46 Qa _red _conectado 45 Pc_red _conectado 44 Pb_red_conectado 43 Pa_red _conectado 42 SOC _Pb 35 Qc_Pb 22 Qb _Pb 21 Qa _Pb 20 Pc_Pb 19 Pb_Pb 18 Pa_Pb 17 Qfotov 16 Pfotov 15 Qaero 14 Paero 13 Qa _cargas_LEA Pa_cargas _LEA 1 cálculo potencias 2 v i Pfotov Qfotov cálculo potencias v i Paero Qaero Trafo A B C a b c SDS com A B C a b c Red Electrica N A B C Paneles fotovoltaicos Modulo de baterias Pb Vbat _elevador P_carga_faseA Q_carga_faseA P_carga_faseB Q_carga_faseB P_carga_faseC Q_carga_faseC Vabc Pm ed_faseA Pm ed_faseB Pm ed_faseC SOC_bat_Pb Vdc _bat_Pb Fas e A Fas e B Fas e C Medidor P _Q Monofasico 2 Vabc Iabc Freq _fases _abc

P_Q_Fas e_A P_Q_Fas e_B P_Q_Fas e_C Medidor P _Q Monofasico Vabc Iabc Freq_fases _abc Pa_Pb Qa_Pb Pb_Pb Qb_Pb Pc_Pb Qc _Pb Vabc Iabc A B C a b c Vabc Iabc A B C a b c Vabc Iabc A B C a b c Vabc Iabc A B C a b c

Medición Lado Alta Vabc Iabc A B C a b c [VDC_bat _Pb] [SOC_bat _Pb] [P_fotov ] [Vabc] [Pmed _Pb_faseC] [Pmed _Pb_faseB ] [Pmed _Pb_faseA ] t [Paero ] [Vabc ] Pbat _Pb_C aislado Kgeneradores Plimite _fotov [Pmed _Pb_faseC ] [Pmed _Pb_faseB ] [Pmed _Pb_faseA ] Qbat _Pb_C Qbat _Pb_B Qbat _Pb_A [Vbat _elevador ] [Vabc ] Plimite _aero Kbat _Pb Kaero Kfotov Pbat _Pb_A Pbat _Pb_B Pot _Fotov30min Perfil _viento [Vabc] Frecuencia de la red por fases 3 Fr Frecuencia de la red por fases Fr Filtrado 1 PQ_A PQ_B PQ_C Pa_red Qa_red Pb_red Qb_red Pc_red Qc_red Contactor fotovoltaica com A B C a b c Contactor baterias Pb com A B C a b c Contactor Aerogenerador com A B C a b c 0 0 Clock C com A B C a b c Aerogenerador Acometida photovoltaica A B C A B C Acometida batería Pb A B C A B C Acometida aerogenerador A B C A B C

Objectives:

Management system validation

Development of different energy management

strategies

System response due to different events

04 SIMULATION MODELS

QGdiesel 41 PGdiesel 40 Vc_red _aislado 39 Vb_red _aislado 38 Va_red_aislado 37 SOC_flujo 36 Qc_cargas _Prog 34 Pc_cargas _Prog 33 Qb _cargas _Prog 32 Pb_cargas _Prog 31 Qa _cargas _Prog 30 Pa_cargas _Prog 29 Qc_flujo 28 Qb_flujo 27 Qa_flujo 26 Pc_flujo 25 Pb _flujo 24 Pa_flujo 23 Qc_cargas _Pol 12 Qb_cargas _Pol 11 Qa_cargas _Pol 10 Pc_cargas _Pol 9 Pb_cargas _Pol 8 Pa_cargas _Pol 7 Qc_cargas _LEA 6 Qb _cargas_LEA 5 4 Pc_cargas _LEA 3 Pb_cargas _LEA 2 cálculo potencias 1 v i Paero Qaero

Sistema _ Cargas _Programables Sistema _ Cargas _LEA

Sistema _ Cargas_Alumbrado _Poligono

Modulo de baterias Flujo

Medidor P _Q Monofasico 6 Vabc Iabc Freq_fas es _abc P_Q_Fas e_A P_Q_Fas e_B P_Q_Fas e_C Medidor P _Q Monofasico 5 Vabc Iabc Freq _fases _abc P_Q_Fase_A P_Q_Fase_B P_Q_Fase_C Medidor P _Q Monofasico 4 Vabc Iabc Freq _fases _abc P_Q_Fase_A P_Q_Fase_B P_Q_Fase_C Medidor P _Q Monofasico 3 Vabc Iabc Freq_fases _abc Pa_flujo Qa_flujo Pb_flujo Qb_flujo Pc _flujo Qc _flujo Vabc Iabc A B C a b c Vabc Iabc A B C a b c Vabc Iabc A B C a b c Vabc Iabc A B C a b c Vabc Iabc A B C a b c [PGdiesel ]

[Pmed _flujo _faseC] [Pmed _flujo _faseB ] [Pmed _flujo _faseA ]

Kcargas _Pol [Vabc] KGdiesel [Vabc ] P_Gdiesel _ref [Vabc] Q_Gdiesel _ref [Pmed _flujo _faseA ] [Pmed _flujo _faseA ] Kcargas_LEA

[Pmed _flujo _faseA ] Pbat _flujo _C Pbat _flujo _A [Vabc] Pbat _flujo _B [Vabc] Kcargas _prog Kbat _flujo _cargas _LEA _30 min

_cargas_LEA _30 min _cargas_LEA _30 min _cargas _LEA _30 min _cargas _LEA _30 min

Pb_cargas_Pol _30 min Pa_cargas_Pol _30 min Qc_cargas_Pol _30 min Qb_cargas_Pol _30 min Qa_cargas_Pol _30 min Pc_cargas_Pol _30 min _cargas _LEA _30 min

Frecuencia de la red por fases 6 Fr Frecuencia de la red por fases 5 Fr Frecuencia de la red por fases 4 Fr Frecuencia de la red por fases 1 Fr Filtrado 4 PQ_A PQ_B PQ_C Pa_carga_Prog Qa_carga_Prog Pb_carga_Prog Qb_carga_Prog Pc_carga_Prog Qc _carga_Prog Filtrado 3 PQ_A PQ_B PQ_C Pa_carga_Pol Qa_carga_Pol Pb_carga_Pol Qb_carga_Pol Pc_carga_Pol Qc_carga_Pol Filtrado 2 PQ_A PQ_B PQ_C Pa_carga_LEA Qa_carga_LEA Pb_carga_LEA Qb_carga_LEA Pc_carga_LEA Qc_carga_LEA Dnerador Diesel

Cuadro Cargas Programables

Contactor baterias Pb

Contactor bateria Flujo com A B C a b c

Contactor Generador Diesel com A B C a b c

Contactor Cargas Programables com A B C a b c Contactor Cargas Poligono

com A B C a b c Contactor Cargas LEA

com A B C a b c 0 0 0

Acometida batería Flujo A B C A B C

Acometida Generador Diesel A B C A B C

Acometida Cargas Programables A B C A B C Acometida Cargas Poligono

A B C A B C Acometida Cargas LEA

A B C A B C

(34)

Energy Storage is the

key

for an optimized and sustainable

energy system

•

New component in the energy scenario

Huge potential market

Conclusions

•

Huge potential market

•

High potential for improvements

(35)

CENER

MANY THANKS

[email protected]

WWW.CENER.COM

T 34 948 252 800

RENEWABLE ENERGIES GRID

INTEGRATION DEPARTMENT

Raquel Garde Aranguren, PhD.

Email:

[email protected]

Email:

[email protected]