New Generation of Solar Thermal Systems NEGTS Work Package 4

1
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Intro
By nature, standards are always developed with a
certain time delay compared with developments of
products and systems. This delay may be a
barrier for the new products to enter the market,
as no testing and certification is possible or
existing standards do not express the benefits of
the new products. The aim of this work is to
minimize time delay between product development
and market entry.
June 21 - 22 2005 Freiburg, Germany
2
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Collectors (1)

• Collector components standards
• absorbers (made of polymer)
• absorber surfaces/coating
• covers (made of polymer)
• reflectors
• AR-coating (glass)
• This work is expected to lead to a proposal to
  CEN
• TC312 for a new Work Item Collector
  components
• requirements and test methods.

June 21 - 22 2005 Freiburg, Germany
3
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Collectors (2)
Air-collectors Take over / refine work done in
ISO. Produce a resource document giving
recommendations to CEN TC312 concerning
air-collectors. Tracking collectors Experts and
test institutes did not yet agree if the existing
standard EN12975-2 is in fact applicable to
tracking collectors. Clarification/agreement of
this will be the result, shortly documented in a
resource document.
June 21 - 22 2005 Freiburg, Germany
4
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Collectors (3)
Improved qualification tests Different opinions
on the validity of the exposure test in EN12975
gives problems with additional requirements in
some countries. Improvements of this test will
be discussed and the aim is to present a revised
test procedure agreed upon amongst test
institutes and industry. Also requirements and
test method for mechanical load on vacuum tube
collectors are missing in the existing standard
a draft proposal will be developed.
June 21 - 22 2005 Freiburg, Germany
5
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Collectors (4)
Improved performance testing Resource documents
with recommendations for improvements of the
accuracy and repeatability of the performance
test will be made for covered/un-covered
collectors.
June 21 - 22 2005 Freiburg, Germany
6
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Stores (1)
External heat exchangers Test method(s) for
stores with external heat exchangers. This will
also help judging the (cost effective)
solutions/systems using conventional water tanks.
Draft test procedure will be developed.
June 21 - 22 2005 Freiburg, Germany
7
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Stores (2)
Rational/flexible development of new store
testing methods As a number of new types of
stores are expected on the market in the coming
years, it was decided to study basic
principles/concepts to be applied in the
development of new store test methods in order to
have in the future a concept ready to quickly
give new test methods. Outcome Resource
document. Improved parameter identification
June 21 - 22 2005 Freiburg, Germany
8
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Controllers
Variable flow controllers Draft test procedure
will be developed for controllers able to control
also the flow rate (for e.g. keeping collector
outlet temperature constant). Energy consumption
of pumps and controllers Draft test procedure
will be developed for controllers able to control
also the flow rate (for e.g. keeping collector
outlet temperature constant).
June 21 - 22 2005 Freiburg, Germany
9
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Combi-systems (DHW/SH) (1)
Integrated burner Experience from testing
combi-systems (stores) with integrated burner
will be reported and recommendations given.
Resource document.
June 21 - 22 2005 Freiburg, Germany
10
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Combi-systems (DHW/SH) (2)
Performance calculation A simple and reliable
calculation method for combi-systems is needed. A
draft method will be put up, which might also be
proposed to improve EN14335-2.3.3 (Standard
connected with the implementation of Energy
Performance in Buildings Directive, EPBD)
June 21 - 22 2005 Freiburg, Germany
11
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Combi-systems (DHW/SH) (3)
Update DC test method The Direct Characterisation
performance test method developed in IEA Task 26
and Altener Combi- System projct will be
updated. New draft test procedure will be
made. Comparison of performance test
methods Direct Characterisation, DC Component
Testing and System Simulation, CTSS proposed from
different parties will be compared by Round Robin
testing. Work and conclusion will be reported in
a Resource document.
June 21 - 22 2005 Freiburg, Germany
12
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Cooling
Survey on existing software Survey on existing
soft ware for simulation/calculation of solar
assisted air-conditioning systems. Resource
document. Survey on existing A/C component test
methods Survey on existing test methods and
standards for air-conditioning (A/C) component.
Resource document. Control systems Investigation/
survey of controllers for solar assisted A/C
systems. Resource document.
June 21 - 22 2005 Freiburg, Germany
13
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Solar thermal heat pump
It was decided not to give this field priority
for the time being.
June 21 - 22 2005 Freiburg, Germany
14
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Desalination
Materials corrosion issues Guidelines for
materials compatibility (corrosion issues) will
be put up, aiming at a TR/TS on this
issue. Performance testing Guidelines for
performance testing of solar systems with
desalination units, aiming at a TR/TS on this
issue.
June 21 - 22 2005 Freiburg, Germany
15
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Fluids

• Standard for solar thermal fluids
• Proposal to CEN TC312 for a new Work Item
• Fluids for solar thermal systems requirements
  and test methods.
• The work to be done is
• Putting up recommendations for test methods and
  standards for determination of fluid parameters.
• Setting draft work plan for the elaboration of
  requirements and testing methods for fluid life /
  deterioration.

June 21 - 22 2005 Freiburg, Germany
16
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
LCA
Guidelines for LCA-rating of Solar collectors A
comprehensive literature survey has been done.
Guidelines for (simple) life cycle assessment
rating will be developed and proposed as a basis
for a CEN TR/TS. At the moment a lively
discussion is going on whether the rating will be
based on energy payback time and/or other
parameters.
June 21 - 22 2005 Freiburg, Germany
17
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
m² ? Power Energy (1)

• Conversion of m² to power
• Traditionally installed solar thermal capacity
  has been counted in number of m². A simple
  formula for converting installed capacity counted
  in m² to installed capacity counted in kWth has
  been proposed
• P 0.7 kW/m² A, P in kWth, A in m²
• This conversion concept has been very well
  received by industry and others (including
  IEA-SHC) and is already being used by ESTIF in
  press releases and articles.

June 21 - 22 2005 Freiburg, Germany
18
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
m² ? Power Energy (2)
June 21 - 22 2005 Freiburg, Germany
19
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
m² ? Power Energy (1)
Conversion of m² to energy It is of course in the
end the (annual) energy production which counts,
this is the parameter giving the best figure for
the capacity of a certain energy technology. The
aim is to come up with simple formulas/guidelines
for converting installed m² and installed power
into estimated annual production.
June 21 - 22 2005 Freiburg, Germany
20
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
Energy Labelling of water heaters

• Scope
• Electric water heaters
• Gas/oil water heaters
• Solar water heaters.

• NB
• Very strict requirements for electric water
  heaters
• Strict requirements for gas/oil water heaters
• Possibility for A and A for solar water
  heaters
• Obligatory testing

June 21 - 22 2005 Freiburg, Germany
21
New Generation of Solar Thermal Systems (NEGTS)
Work Package 4 Next Generation of Standards J.E.
Nielsen, SolarKey Int., ESTIF Technical
Consultant European Solar Thermal Industry
Federation
Intro Collectors Stores Controllers Combi-systems
Cooling (Combine w. heat pump) Desalination Fluids
LCA m²? kWkWh --- Energy labelling CE marking
CE-marking

• The Commision has proposed CE-marking of energy
  capturing appliances including solar thermal
  products.
• TC312 now has to respond through CEN, describing
  a work programme for establishing possible
  missing standards.
• Proposed scope of CE-marking Solar Keymark
  but conformity attestation different
• CE Declaration by manufacturer
• Keymark Attestation by third party

June 21 - 22 2005 Freiburg, Germany