This document appears to be a cover letter from Jean Louis Lecomte of Bosch Rexroth NV SA Belgium to Alain Van Ranst regarding their business relationship developing renewable and efficient energy projects. It thanks Van Ranst for their regular contacts since 2004 and expresses happiness that Bosch Group products have been integrated into Van Ranst's photovoltaic, energy recovery, and energy efficiency projects. It also offers support for continuing their successful relationship.

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Jean Louis Lecomte 25/07/2012
Alain Van Ranst
Hello MrVan Ranst,
We benefit from this middle of year to thank you for the regular con tactswhich
we maintain since 2004 concerning your developments of renewable and effi-
cientenergy projects.
All during these contacts, wehad the favors to meet various compa niesandfor
which you develop systems.
We are very happy of your choice to integrate the products of the Bosch Group in
your Photovoltaic, Energy Recovery and Energy Efficiency projects.
The thorough knowledge of our High Tech products is a key element for the good
advance of your developments and we are happy that youinvest spe ciflcally in
Multi-Tech Energy Efficiency applications including Integrated Safety on Board
solutions.
We assure you of ours up port fort he good continuity of our relati onswhich,we
wish ittoyouand to the companies in deal with you, will conclude the good sue-
cessfullyofyours various business/solution developments.
Sincerely yours.
Jean Louis Lecomte
JeanLouis Lecomte
Project Manager Business Development
Bosch Rexroth NVI SA Belgium
The Drive & Control Company
Rue HenriGenessestraatl-1070Brussel
Tel:003224512712
Fax:003224512783
jean_louislecorote@boschrexrothbe
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Electric Drives and Controls
Certificat de participation
Nous declarons que
Monsieur Alain Van Ranst
de la societe
GreenSun
a suivi la formation
Indradrive , IVILD-S et DVP
Ie 16, 17,18 elle 19/04/2013
Contenu du cours
systemes servos
IndraDrive apercu
IndraDrive alimentations
IndraDrive Cs Technical data and connections
Display - parametres / codes d'erreur
IndraWorks Engineering + paramefrage du drive
MLD-S
Excrclces
Pompes hydrauliQues DVP
Ivan De Petter
Anderlechl , Ie 19/04/2013
~
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13 Janvier 2017 A. Van Ranst. Lettre de candidature - 1/6

2. Lioevonage
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application:
load:
active filter:
compensation of harmonics and reactive power
frequency converters
4 AHF 100A. 2 AHF 120A
application: compensation of harmonics and
reactive power
16 frequency converters, 2"200kW
2" 2AHF 50A
load:
active filter:
I
application:
load:
active filter:
compensation of harmonics
servo drive
1 AHF 50A
for common loads
9th 11th I 13th
Distorted
Composite
Waveform
tv'w_/Vv
c::Distorted voltage/Current in distribution networks
L... Decrease utility/Generator efficiency
[.;Possible damage to capacitor banks due to resonance
L Overheating to Electronics Systems causing
component failure
L Overheating to Neutral Conductor *
L Overheating to Transformer"
[_Nuisance tripping of breakers & protective relay"
., Caused by 3rd harmonics in Neutral Conductor-
Very Common Problem!
CP
I FFT~necurrenlI FFTload currenl
Application:
Load:
Active filter:
Compensation of harmonics
Bubbler with Flywheel drive
13 x Filter 100A(4 wire)
" application:
• load:
• active filter:
• Result:
reduction of mains currenl during welding process
manual 2phase welding machine
AHF 100A4wire
the mains current is reduced from 280A to 110A
(I ::::::.'
, ~~l~;_:--_ ..
• application: load balancing of single phase load (rectifier l1-N)
• active filter: AHF 1OOA4wire
• Result: is balanced in all 3 phases. neutral current reduced to ~O·
SCHAEFER
Certificate of Training
ThlscerUfleslhill
Mr. Alain Van Ransl
has successfully completi!d the In-Factory Tralnln, Course for
Power Balance - Active Harmonic Filter Series
-AHF physicill principle
_ POWER BALANCE - range overview, modularity, features and benefits
- Use of actfve harmonic filters - confl8uratlon, installation, commissioning, start up
- PC monitoring and commissioning tool
-Practicaltralnlngonactivefilter
and is awarded this certification from
SCHAEFER ElektronlkGmbH, OStstr.17, Gamshurst, 77855 Achern, Germany
. b /./- SCHAEFER
/",_~~EKTRONIK GmbH
~ ~;;J':W"1.ou.u .... IT
Authorised Signatory T.I,O't~~~;~~;.::;:.~~~
HansjUI)enSchlfer
CEO
SchIff" Elektronlk GmbH
o..w.,.. "........,,.u ......,ft
..........
13 Janvier 2017 A. Van Ranst. Lettre de candidature - 2/6