© Fraunhofer ISE

Contribution of Fraunhofer ISE to IEA-Task 38 Follow-up Task

FRAUNHOFER INSTITUTE FOR SOLAR ENERGY SYSTEMS ISE

Tomas Núñez

Fraunhofer Institute for Solar Energy Systems ISE

Task 38 Follow-up Definition WorkshopParis, March 28th, 2011

www.ise.fraunhofer.de

© Fraunhofer ISE

Our main Interests in the New Task

Consolidate findings and results of Task 38

Continue the monitoring & evaluation of Solar Cooling Systems

Develop procedures for quality assurance for components, system design, installation, operation and performance

Standardise procedures for chiller performance measurements and reporting of results

Prediction of expected results towards a procedure to guarantee solar results

Carry out pre normative work

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Ongoing R&D Projects Related to the New Task

Development of standardised pre-fabricated solar cooling kit with the companies Solvis and SorTech (national project)

Performance characterisation of thermally driven chillers (test laboratory)

Development of components for adsorption systems (adsorbers, evaporators) (national project)

Adsorption materials research, development and characterisation (national and EU projects)

Monitoring of solar cooling systems in various projects (national and EU projects)

Evaluation of solar cooling (simulation and evaluation of different reference systems, comparison with PV) (national project)

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References

15 year working in the field of adsorption chillers and solar (assisted) cooling

Operating agent of IEA-SHC Task 25 & 38

Test facility for the characterization of thermally driven chillers and heat pumps (in the process of expansion)

Contribution to VDI guidelines for the evaluation of thermally driven heat pumps

Operating agent of IEA-HPP Annex 34 ‚Thermally Driven Heat Pumps and Chillers‘

Development of test and evaluation procedures for thermally driven heat pumps and chillers (in cooperation with AIT and EURAC)

Wide experience in the monitoring and quality evaluation of electrically driven heat pumps, energy efficient buildings, collector test,...

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System configuration Solar Cooling Kit ‚SolCoolSys‘

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Test bench measurements

three temperature levels

stationary / transient measurements

detailed evaluation

in the process of redesign and expansion

standardised proceedings to be developed

Messdatei: 090428_mess.txt

T_NT_VL T_NT_RL T_MT_RL T_MT_VL T_HT_VL T_HT_RL

Messzeit [s]25,00024,00023,00022,00021,00020,00019,00018,00017,00016,00015,00014,00013,00012,00011,00010,0009,0008,0007,0006,0005,0004,0003,0002,0001,0000

70

65

60

55

50

45

40

35

30

25

20

15

© Fraunhofer ISE

Test bench measurements

COPth,c vs. Chilling Power

0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.65

3 4 5 6 7 8 9chilling power [kW]

COP t

h,c

65-30-18 65-30-18 ISE 72-27-18 72-27-18 ISE 85-35-18 85-35-18 ISEnominal point: 72-27-18

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IEA Heat pump program

Q1

Q2a

EHR1

DHWHEATING COOLING

E10

E11

E7

W1

Q7

EHR2

W2Q11EBUC

Q10b

EFC

QFC

E9

Q9Q8b

E8

Q10a

Q8a

E6Q6

E5c

Q5b Q5c

Q5a

E2

Q2

Q3a

Q3bQ4a Q4b

E1

ECOL

QCOL

E3

Q3

Q2c

Q2b

Q4c

QP2

QP3

E4a E4b

E5abQ5

Q4

E4c

Q8

Q10

EBUH

ETDHP

PRIMARY ENERGY

TDHP

HOT STORAGE

COLD STORAGE

BUC

HR

HR

QSOL

QP1

HEAT SOURCE

EHS

IEA-HPP Annex 34Performance figuresLeader: AIT, Austria

Source: Annex 24 report draft; AIT, EURAC

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Performance factors according to system boundaries

Three levels

1. component level(COP, EER, SCOP, SEER)

2. system level (SPF)

3. including energy source (PER)

Source: Annex 24 report draft; AIT, EURAC

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Heat Pump Monitoring: Projects

WP Effizienz

WP im Bestand

How efficient are electrically driven heat pumps in new and existing buildings

Identification of optimisation possibilities for installation and control

Number of Systems

Partner Duration

ca. 100

ca. 80

ca. 100

Support BMWi,7 HP Manuf.,2 Energy Suppl..

E.ON Energie AG

12 WP Manuf.EnBW

10.2005 to09.2010

10.2006 to12.2009

12.2009 to05.2013

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System boundaries for calculation of efficiency

© Fraunhofer ISE

Efficiency (AZ2) Ground coupled brine/water heat pumps

new buildings

© Fraunhofer ISE

© Fraunhofer ISE

© Fraunhofer ISE

Possible Contributions & Responsibilities within the New Task

Monitoring and evaluation of installed systems

Standardisation of monitoring and evaluation procedures

Development of test procedures for components (machines) and systems, development of certification criteria & procedures, (pre-normative work)

Laboratory testing of thermally driven chillers, certification?

Development of standardised prediction procedures for systems (energetic and economic assessment tools, performance projection)

Contribution to labelling criteria of components and systems

Procedures for malfunction detection

Contribution to ‚model‘ building types, applications, systems, configurations, etc.

Possible leadership of proposed subtask B ☺

Contributions to proposed subtask A and C

Small contribution to proposed subtask D (conferences, workshops)

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Inputs and Suggestions to the Work Plan

Fully agree with the general outline of the Work Plan:

Subtask A: Market

Subtask B: Quality procedures

Subtask C: Certification and Contracting

Subtask D: Dissemination

Suggestions:

make a clear distinction between:

the development of component & system quality assurance procedures(test procedures, evaluation procedures, prediction procedures, certification procedures, etc. quality criteria for components and systems)

Subtask B

the contractual and technical steps necessary to meet them (from a technical and contractual point of view). Steps for planers, engineers and installers for planning, installation, commissioning, operation & maintenance, fault detection, monitoring and real performance evaluation

Subtask C

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Questions to be discussed

Are we going to include systems which use heat and cold? (HP operation; simultaneous use of heat and cold)

Shall we concentrate on closed systems?

Are we going to include a wide system monitoring and data evaluation task?

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Thank You Very Much for Your Attention!

Tomas Núñez

www.ise.fraunhofer.detomas.nunez@ise.fraunhofer.de

Fraunhofer Institute for Solar Energy Systems ISE