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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Full-Wireless OpenThread system
Javier Carpio, General Manager at Soltec Innovations
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Full-Wireless OpenThread system and Team Track: Diffuse Booster, Bifacial tracking
Index
1. Full Wireless Tracker
2. Advanced Control
3. Team Track
1. Real Asymetric backtracking.
2. TÜV 3rd Party Assessment.
3. Details and advantages.
4. Diffuse Booster.
5. Team Track in SFOne
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions 3
Full-Wireless Solar Tracker Control SystemTracker Control Box and GateWay
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions 4
Full-Wireless Solar Tracker Control SystemPlant Communications Architecture
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions 5
Full-Wireless Solar Tracker Control SystemSub-Field Architecture
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions 6
Full-Wireless Solar Tracker Control SystemGCU Redundancy Feature
• The Gateway Control Units integrate 3 border routers OpenThread.
• All the GCUs together belong to a cluster of MQTT Brokers.
• All the GCUs share the information in a distributed database.
• In case of GCU failure, the closest GCUs take control of the Trackers.
• The assignment of secondary GCUs is configured at plant level and shared within the cluster.
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Algorithm Gain
TeamTrack 3,80%
STOW-diffuse 2,19%
TeamTrack Bifacial (in case of bifacial modules) 0,52%
TOTAL 6,51%
1P Standard Tracker
Measured Bifacial Gain
2P SF7 Bifacial
16,8% Fall 2018 19,2%
12,6% Winter 2019 14,3%
10,4% Spring 2019 12,1%
13,7% Summer 2019 15,8%
16,6% Fall 2019 19,5%
16,8% Winter 2020 18,7%
12,5% Spring 2020 14,5%
Test Considerations:• Results based on
energy performance at module level
• Only internal Trackers considered (avoid effect of higher diffuse on external Trackers)
Team Track®:• Smart tracking system which combines different devices and
algorithms in order to improve the performance of the plant.• This system coordinates the tracker movement working as a team and
optimizing the energy yield.
3. Team Track
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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
TEAM TRACK- Smart 3D modelling.- Iterative algorithm.- Each unit optimized in an specific angle.- Orientation and not shading balance.- Optimization of the whole field at time.- Minimize misorientation (Energy waste on
the soil)
Increases between 3,6% till 7,5% 3,6% Energy yield
3.1.- Real Asymetric Adaptative Backtracking
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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Very Irregular: E-W, N-S tilt variabilityIrregular: E-W tilt variabilityRegular: Constant tilt
3.2.- 3rd Party Assessment - TÜV
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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
3.3. Bifacial Tracking optimizes TOTAL ENERGY
+
Ori
ente
d
Op
tim
ized
GAIN
Rear Energy
Energy Yield Front EnergyMAX= sun-oriented
Rear EnergyMAX=f(albedo, Bifaciality, Diffuse)
=
Optimal angle is not sun- oriented
Small deviations makes the difference
6.00%
7.00%
8.00%
9.00%
10.00%
11.00%
12.00%
13.00%
Jan Feb Mar Apr May Jun Jul Ago Sep Oct Nov Dec
Bifacial Gain
TBF Mediterranean Orient Mediterranean
Tota
l Irr
adia
nce
Fro
nt
+ R
ear
x 0
.8
Angle
Bifacial Tracking AlgorithmInduces a deviation angle respect to sun-orientedMaximize Electrical Energy Smart Algorithm evaluates whether conditionsUpdated albedo in real time Enforced reliability with forecast system
Albedo Varies between 17 and 25 % . 1% of Energy Yield uncertainties
Monthly Bifacial Gains increases over 1%
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
3.4.- Diffuse Booster
Problem: On very cloudy days, direct sunlight can be so small that normal monitoring is no longerthe best way to optimize production.Solution: Detect those periods in which there is more radiation in the horizontal plane (by diffuse)than in the tracking plane (by direct) and thak the tracker to 0º.
Cloudy conditions.
A) SAT in astronomical trackingB) b) SAT in optimized tracking
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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Aplication: Sensors will be used to read radiation in the horizontal plane and predict how these variables willchange. Combinating the information given by sensors and Forecast, the algorithm could define which is the moreprofitable position in order to maximaze the energy Yield.
Sensors: Calibrated cells will be used as radiation sensors having aspectral response similar to the panels.
Forecast: The services of a weather forecast provider will becontracted to obtain radiation predictions.
Cells calibrated horizontally and in tracking
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3.4.- Diffuse Booster
The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
3.5.- TeamTrack – SF ONE
TeamTrack is a backtracking algorithm that allows each tracker to be positioned independently.Thanks to this, you can find the combination of angles that optimizes the collection of solar radiationensuring the absence of shadows.
In TeamTrack - SF One, the angles are no longer completely independent, but are linked in two-rows.Therefore, it is considered that:• Both rows of every unit reach the same angle.• Team track avoids shading between mentioned rows.• Team track avoids shading between contigous trackers.
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The information contained in this presentation may be subject to confidentiality obligations arising from Soltec's contractual relationships with third parties.
PV Magazine webinar 1st July 2021The right tracker for you: Comparing 1P and 2P solutions
Thank you!Any questions?
Javier Carpio, General Manager at Soltec Innovations
