energy-storage for the use of flexibility - dsihk.sk filefacilitator 5 industry project examples 4...

Energy-Storage for the use of flexibility

Alexander Emde, M. Eng.

04 June 2019

Stuttgart, DE

Facilitator

Industry Project Examples5

Research Project Examples4

Applications of Energy Storages3

Overview of Energy Storage Technologies2

Need of Energy Storages1

Agenda

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CO2-Emissions

*17 %deviation

*19 %deviation

Primary Energy Consumption

CO2

Emissions

Need of Energy StoragesWhere do we stand today?

*forecast assuming continuation of current trend **on gross electricity consumption Source: based on Gesamtausgabe der Energiedaten – Datensammlung des BMWi (2017)

Germ

an

yW

orl

d

Primary Energy Consumption Share of Renewables**

- 50 % by 2050

80 % by 2050

- 80 % by 2050

2016

20202025

CO

2-E

mis

sio

ns

Time

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Need of Energy StoragesThe factory in the context of a changing energy system

Hot Water Storage

Fossil Fuel(Oil, Gas etc.)

Electricity

Heating

HVAC

Heat Pump

MachineTool

MachineTool

CompressedAir System

CoolingPhotovoltaic System

CompressedAir

CHP

Shading

Ground Probes

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Need of Energy StoragesRenewable energies produce volatile and decentral energy

controllablevolatile

gen

era

tio

nd

em

an

d

renewableenergies

fossil fuels

nuclearenergy

presentenergy

demand

photovoltaics

wind

conventional

water

biomass

demand

23. August

03. November

https://www.agora-energiewende.de/en/topics/-agothem-/Produkt/produkt/76/Agorameter/

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Need of Energy StoragesSmart Grid enables adaptable energy demand and utilizing storage technologies

Industry 4.0 – Balancing demand and generation by increasing information exchange

controllablevolatile

gen

era

tio

nd

em

an

d

renewable energies

fossil fuels

nuclearenergy

present energy

demand

adaptableenergy

demand

Energy storages allow to decouple energy demand and generation

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Producer ConsumerEnergy storage systems areadjusting the balancebetween supply andconsumption/demand:

Bridging the time differencebetween consumption andproduction

Reduction of starting times

Cut of power peaks

Energy efficience gain

Weckmann (2014)

Energy storage

Need of Energy StoragesEnergy storage as a key technology

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Agenda

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industrial

productionstability & quality

energy efficiencyenergy „to go“

energy costs

Necess ity of storage and storage requirement

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10

Energy Storages SystemsOverview

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Energy Storages SystemsOverview

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Mobility

Networking

Communication

Applications are becoming more and more powerful – oftenthe energy storage lags behind

Energy storage in the mobile application

Energy „to go“

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Agenda

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Applications of Energy StoragesLevel of Applications in the Factory

Self-consumption

Peak Shaving

10 kW – 6 MW

Machine integration

Machine 1

20 kW – 600 kW

UPS

Peak Shaving

Decoupling from the grid

100 kW – 6 MW

Factory

A

BMS

S

S

BMS

recuperation

Peak Shaving

UPS

Autarky of the

grid

Reduction of

infrastructure

Charge management

FTS

Self-consumption

Peak Shaving

Optimal energy purchase

Control energy

BMS

E-Mobility

Solar inverter

Industrial UPS

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reduction of installed power

improving process quality

integration of renewable energy

reliability, UPS

add

ed v

alue

sup

ply

qua

lity

infr

astr

uctu

ree

ne

rgy

e

ffic

ien

cysu

pp

ly r

elia

bili

tydemand price

reduction

brake energy recovery

current application application potential future application

Technical use

Secundary benefit

Primary benefit

power factor correction

energy flexibility

grid benefitial stabilization

providing control energy

autarky & mobility

Applications of Energy StoragesEconomical use of energy storages is achieved throughsynergetic added value.

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Applications of Energy StoragesIn Smart-Grids Energy Storages secures and optimizes theproduction

Secure the supply ofcritical processes

Use existing storagecapacity to optimize yourenergy consumption

Improve the quality ofsupply of infrastructureplants

Storage 1

Machine 1

20 kW – 600 kW

A

BMS

S

S

...

Cloud Storage

Intelligence

Stroage 2

Machine 2

20 kW – 600 kW

A

BMS

S

S

Storage...

Machine...

20 kW – 600 kW

A

BMS

S

S

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Agenda

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Advantages of Batteries and

Capacitors High Capability

High Energy Density

Fast Charge Acceptance

Non-combustible

Key Figures

Power Density 300 - 1.500 W/kg

Energy Density 30 Wh/kg

Number of Cycles(life time)

> 20.000

1. Project Example: Fast Storage BW IIHybrid Energy Storage „Powercap“

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po

wer

time

LaMaVi

Energy StorageTechnologies

Power Supply

Connection technologies

Smart & flexiblerepresent the energy behaviour ofdifferent industrial consumers

Hardware in the Loopapplication-oriented as a real testenvironment for energy storagetechnologies and software

Fail-safeCost-efficient components and suitableScaling for test environment

Holistic MonitoringAccessability of all eletric signals

2. Project Example: Fast Storage BW IITest environment at Fraunhofer IPA offers analys isposs ibilities for Energy Storage Integration

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Powercap

Large capacity

Lower power loss

Increased Efficiency of 13 %

DLC

Reacts faster

Higher power

Increased Efficiency of 15 %

3. Project Example: Fast Storage BW IIResults of analys is of a rack feeder with recuperation

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4. Project Example: Fast Storage BW IIEnergy Storages are complex systems that influence theenergy supply system

User request:

Increase of self-sufficiency

Security of supply

Increase of energy efficiency

Increase of supply quality

Improvement of suppy stability / process quality

Achievement of monetarysavings

1. Analysis of load profile

- Identification of application

- Design of energy Storage

2. Selection of Energy Storage Technology

3. Economic Evaluation

4. Development of optimal operatingstrategy

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Agenda

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1. Project Example: The virtual batteryBalancing volatile generation with demand oriented consumption

Basic principle: Electro-intensive industry processes as a buffer between

Renewable Energy Virtual battery Demand side

The use of a virtual battery to balance between

volatile power production and demand oriented consumption

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Time in d

Pow

er

in M

W

Virtual battery

+22 MW

-22 MW

90

Load range = 90 MW (base load) +/- 22 MW

48h0

This capacity is comparable to an average

size pump storage hydro power station

22 MW x 48h =

1.06 GWh

Changing the Game:

1. Project Example: The virtual batteryBalancing volatile generation with demand oriented consumption

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Battery storage: BMW storagefarm Leipzig

Use of the BMW i3 batteries in the second life cycle

Farm absorbs excess energy

maximum power of 10 MW could supply 50.000 households with electricity for

one month

2. Project Example: Balancing energy marketingTechnologies at a glance

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-Business model: Customers participate in

the revenues of the flexibility marketing:

1000$ „Up-front“ Incentive

1$/day fee for DR event participation

-Challenge: Fulfillment of the techn. Requirement with the simplest means (i3 series cars, ConnecteddriveSeries)

-Fleet of 100 BMW i3 customers in the San

Francisco Bay Area

-Duration: 7/2015 –12/2016

-Smart-Phone App for business model

-stationary storage

2. Project Example: Charging strategy of electric carsDevelopment

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2. Project Example: Charging strategy of electric carsDevelopment

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Target system: Shell – automated guide vehicles(AGV) as mobile electricity storage

Target: Proof-of-Concept demonstrator

3. Project Example: „AGV as mobile electricitystorage“ in the shellDemonstrator

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4. Project Example: Energy Storage for Peak ShavingImplementation in load management

Li-ion-technology

C: 800 kWh

Power: 300 kW

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Timeline

Powertrain Solutions | FCM-Nu1 | 07.06.2018

© Robert Bosch GmbH 2018. Alle Rechte vorbehalten, auch bzgl. jeder Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe sowie für den Fall von Schutzrechtsanmeldungen.10

2008 2012 2014 2015

Energy efficiency Energy Management

Energy savings in

productionOil- and gas-free factory

Electrical peak load

management

cold water

storage

Energy

2017

battery storage

4. Project Example: Energy Storage for Peak ShavingEnergy Management @ Bosch Nürnberg

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4. Project Example: Energy Storage for Peak ShavingCold water storage

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Peak load reduction by cold water storage Guarantees payback of grid usage fees

Further aspects: Reuse of former heating oil tank

Usage of cheap night current

Cooling units run more efficiently

Additional cooling unit for peak load unnecessary


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Tank isolationDiffusors

Unmounted diffusors

Oil tank


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Capacity: 1,000 m³

Storage medium: Water

Stratified storage

Diffusors guarantee stratification

Difference in density causes stratification


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4. Project Example: Energy Storage for Peak ShavingIntegration of a battery for peak load reduction at plant level

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Li-Ionen-battery

Capacity: 800 kWh / 300 kW


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Capacity: 800 kWh / 300 kW

Start of operations: 03/2017

Daily usage: approx. 20 times

Li-ion technology

Fast reaction time (within 3s)

Implementation within the building

control system


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Vielen Dank!

E-Mail

Telefon +49 (0) 711 970 -

www.eep.uni-stuttgart.de

www.ipa.fraunhofer.de/de/Kompetenzen/effizienzsysteme.htmlHH

38

Alexander Emde

M.Eng.

1916

[email protected]

Institute for Energy Efficiency in Production (EEP)

Thank you!

Facilitator

Backup: New Agenda

energy-storage for the use of flexibility - dsihk.sk filefacilitator 5 industry project examples 4...

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