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Institut für Gebäude- und Solartechnik Prof. Dr.-Ing. M. Norbert Fisch
Mühlenpfordtstraße 23 D-38106 Braunschweig
www.igs.bau.tu-bs.de
11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca)
Monitoring and process optimization- the Willibald-Gluck-Gymnasium in Neumarkt (i.d.OPF.) Architecture, energy concept, monitoring and process optimization
M.Sc. Oliver Rosebrock
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 2
06|2015 -
05|2018
LA Neumarkt synavision
mondayVision
EnOB: monitoring and process optimization of the Willibald-Gluck-Gymnasium in Neumarkt (i.d.Opf.)
© Büro Berschneider + Berschneider und Fotografin Petra Kellner
R&D Project
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 3
Purpose and motivation
• Implementation of school and gym as EnergyPLUS-Buildings, integral and innovative energy concept
• Usage of regenerative Low-Ex heat sources
• Building of an energy laboratory to realize transparency of the energy performance and integration in lesson
• Usage and evaluation of optimized operation strategies with the aims: high energy efficiency and high consumption of self-produced electricity
• Distribution of the experiences and results from planning, construction and operation
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 4
architecture: school and gym Willibald-Gluck Gymnasium with gym, Neumarkt i.d.OPf. Developer: Landkreis Neumarkt 4-storied school building (technics in the attic) About 1.400 pupils NFA about 11.500 m² two internally atria three-field-gym in the Northwest NFA about 2.900 m² reference winter school year 2015/2016
© Büro Berschneider + Berschneider und Fotografin Petra Kellner
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 5
architecture: school and gym
© Büro Berschneider + Berschneider und Fotografin Petra Kellner
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 6
Gas consending boiler 400 kW
Heat pump 42,8 kWth
Buffer storage 3.000 Liter
Gas network Municipal utilities Neumarkt
Bored piles under Schoolbuilding
classrooms thermal activation of building Cooling
Corridor area EG Floor heating
Waste heat of servers
Agrothermie Ground heat collector
Utility room DG Ventilation system
HEAT- AND COLD TRANSFER HEATPRODUCTION AND REFRIGERATION HEAT- AND REFRIGERATION SOURCES
Heat pump 42,8 kWth
Gym Ventilation system
Gym Floor heating Sport floor
Heat exchanger 200 kW
classrooms thermal activation of building heating
Gym Warm water Showers
energy concept heat- and refrigeration concept
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 7
Foundation piles below school building as heat source for the heat pumps − Foundation piles necessary for load denudation − Endowing foundation piles with ground collector tubes
− Withdrawal of heat of underground heat pump heating
− In summer: free cooling of class rooms, insertion of heat out of
class rooms in underground soil regeneration
− Enabled foundation piles: 99 piles a 8 to 12 m depth
heat source: foundation piles below school building
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 8
Usage of sports ground as heat source for heat pumps − Flat geothermal exchanger on the area of the sports ground
− Withdrawal of heat of underground heat pump heating − In summer: free cooling of class rooms, insertion of heat out of
class rooms in underground soil regeneration
Agrothermie on the sports ground 4.400 m² 90 kW
Heat source Agrothermie – ground collector
Number of strands: 47 strands à 93,5 m Dimension tubes: Da 40 x 3,7 Insertion depth: ca. 2,26 m (ploughing) Collector area: ca. 4.400 m²
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 9
Heat source Creation Agrothermie field
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 12
Power concept
Inverter
Public power grid Municipal utilities Neumarkt
PV-System 75 kWp Gym roof
Lighting School und Gym
Heat pumps, circulating pump and regulation
PV-System 216 kWp School roof
Ventilation system and Regulation
ELECTRICAL CONSUMERS DISTRIBUTION AND STORAGE POWER GENERATION
PV-feed
Grid - Purchase
Inverter
VRF-Battery 130 kWh
Battery-inverter
charge discharge
Battery-Management
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 13
1.100 €/kWp solar electricity price ca. 10 ct/kWh
PV roof school+gym | 291 kWp
school gym
216 kWp
75 kWp
solar electricity price
PV-system for school and gym
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 14
PV-system PV-income and percentage of self-consumption
Monthly PV-income in period from 17.06.15 to 18.03.16
PV-income: 173.130 kWh (= 595 kWh/kWp) PV-self-used: 117.997 kWh PV-percentage of self-consumption: 68 %
PV-income M
onth
ly P
V-in
com
e [k
Wh/
Mon
th]
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 15
Specification CellCube FB 30-130: Electrical storage capacity: 130 kWh Usable capacity: 100 % max. charging capacity: 30 kWp max. discharging capacity: 30 kWp Weight filled system: 14.000 kg Commissioning CellCube: Oktober 2015 Entire charging capacity after about 5 h at 26 kWp Covers the average daily consumption of 12 detached houses
Electricity battery at WGG Vanadium Redox - Battery
1 negative storage-tank 2 positive storage-tank 3 Electrochemical cells
4 fluid pump 5 Inverter 6 Battery management system
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 16
Vanadium Redox - Battery Supply and commissioning
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 17
• Complete commissioning monitoring
− Analysis of energy performance, thermal comfort and self-consumed electricity
• Development of operation strategies
− Simulation of some operation strategies to optimize the energy efficiency e.g. efficient usage of the regenerative Low-Ex heat sources
− Parameter study to increase the percentage of self-consumption
• Active operation manual
− Web-based platform for specification and error detection in operation
− Validation of different operation- and regulation strategies (energy navigator)
− Realisation and testing of acquired operation strategies
− Continuous virtual test bench of building performance loaded quality factor
Perspective
www.igs.bau.tu-bs.de 13.10.2016│ M.Sc. O. Rosebrock │ 11th ISES EuroSun 2016 – 13. october 2016, Palma (Mallorca) │ Seite 18
Integration of pupil and teacher
• Transparency and acceptance of building performance
− Aim: Visualisation of monitored operation data, of the energy performance and of the thermal comfort in the interior of the school building – for pupil, teacher, operator and developer
− Learning platform / Energy laboratory (energy navigator) for lesson
− Workshops for senior class pupil
− Visualisation monitoring for pupil and teacher
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