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Flywheel Energy Storage SystemsHigh power, high cycle-life, sustainable and economical.

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Our VisionClean Energy and Mobility – Worldwide and for Everyone

100 % Renewable Energy

Our Flywheel Energy Storage Systems integrate wind and

solar power into electricity grids.

We stabilize Microgrids and Interconnected Grids, providing

reliable and economic electricity.

Flywheels provide the flexibility to make good dispatch

decisions.

Sustainable Mobility

With the help of our Flywheel, every kWh can be used

multiple times.

We enable energy recovery from Hyperloop to DC-Rail

applications and provide Rapid-Charging of electric vehicles

with minimal impact to the grid.

Become leading vendor of high power, long cycle-life energy storage solutions.

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Technology Adaptive Outer-Rotor Flywheel

Magnetic BearingEfficient operation at high angular velocities. It is friction-free and does

not require maintenance. Maintenance interval of flywheel system: 2

years

Motor / GeneratorSynchronous outer-rotor design provides high power, efficiency and

dynamics. Up to two motors per flywheel, 360 kW each, full-power

reversal in less then 30 ms.

Vacuum EnclosureLimits air friction and ensures safe operation in all system states.

Pressure level goes down to 10e-5 mbar, safety verified up to 19.200

rpm.

Carbon fiber rotorIntegrated hollow-cylinder shape provides highest capacity while it is cost

efficient to manufacture. Operates @ 16,000 rpm, stores up to 11 kWh

and is unlimited in number of charge cycles.

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Product and integrationOEM and Turn-Key Solutions

Fully integrated flywheel units

Each unit incorporates the flywheel, controls, cooling, inverters and - if required -

application specific power converters.

Modular flywheel design

Our platform design allows customer specific systems with various properties.

Maintaining a 95 % communality of parts and Industry 4.0 principles drive down

manufacturing costs of each unit.

Custom-tailored flywheel packages

Stand-Alone

Fully integrated for setup in existing

infrastructures

Container

10 ft, 20 ft, 40 ft high-cube container with up to

eight flywheels @ max 5 MW per container

Concrete Housing

Utility design, adapted for flywheels. Modular

approach for up to 12 flywheel units. Standard

flatbed transport of modules.

Flywheel

Flywheel

inverters

Application

specific power

electronicsCooling

Controls

Flywheel

Flywheel

inverterCooling

Controls

ABP 600-8 Rail-DCDCABP 300-5 Grid DC link voltages, and AC grid interfaces designed to suit customer specification.

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DC-Rail Recuperation

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DC-Rail Braking Energy Recuperation

How its works:

• Flywheel stores braking energy until next acceleration phase

Rule of thumb for potential savings:

• Each Flywheel recuperates 100 – 400 MWh / year

• Efficiency of Rail network: + 8 % (based on measured data)

• Payback-Period: 3 to 6 years

Efficiency increase in DC-Rail-Grids

Benefits:

• Up to 20 % of traktion energy can be recuperated

• No modification of rolling stock, flywheel is stationary

• Stabilization of weak Rail-Grids

• Less heat in tunnels

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DC-Rail Braking Energy RecuperationDetermining the recuperation potential

Parameter Value

Track length 60 km

Average top speed 50 km/h

Average distance btw.

stops

400 m

Average interval 8 min

Potential annual savings 3.6

GWh

Calculator for first estimate

• Calculation of potential energy savings

for DC-Rail system based on basic

parameters

• Model based on measured data

• See White Paper for details

„DC Rail Braking Energy Recuperation”

PowerMapper Study

• Flexible solution for specific system

analysis

• PowerMapper collects GPS location and

measures power levels at braking resistor

• Easy to install and cloud-connected for

seamless data transfer

Typical study:

• 1 to 6 months

• 1-3 trams, ideally used on multiple lines

• Data analysis for entire system,

by line and by traction substation

• Determination of efficiency potential

and development value proposition

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Opportunity Charging

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Opportunity ChargingFast Charging vehicles whenever there is the opportunity

How it works:

• 25 kWh @ 300 kW in 5 min at each stop

• Flywheel accumulates energy from existing grid connection,

e.g. street lights @ 20 – 100 kW in 10 to 30 min

• Vehicle is charged by flywheel in 5 min

Rule of Thumb:

Opportunity Charging every 50 km doubles the range

Benefits:

• Range extension for electric vehicles

(Trucks, busses, vans)

• Enabling turn-around rates

and time schedules with limited battery capacity

• Utilization of existing grid infrastructure

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Opportunity ChargingExample: Doubling the range of electric busses without changing time schedules

Paris

Calais

Amiens

Bea

uva

is

Par

is A

irp

ort

Ab

bev

ille

Am

ien

s

Bo

ulo

nge

Euro

tun

nel

RouteOriginal route

(Flixbus)

Opportunity

Charging

Direction Paris - Amiens Paris - Amiens - Calais

Distance 164 km 341 km

Stops4 stops

5 min each

9 stops

5 min each

opportunity charging

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Adaptive Balancing Power GmbH

Dr. Hendrik Schaede

Hendrik.Schaede@adaptive-balancing.de

+49 6151 360 5854

Hilpertstrasse 16-18

D - 64295 Darmstadt

www.adaptive-balancing.de