1. South Asia has the richest solar radiation resource 2. South Asia has the largest population in the world 3. South Asia has great demand in water irrigation 4. South Asia is facing severe power shortage 5. Solar pump plays an important role in power supply and agricutural irrigation

1. SolartechSolartech
Solutions and ApplicationsSolutions and Applications
for South Asiafor South Asia

2. Solartech is the leading solution provider for global solar and water conservancy systems, as well
as the professional manufacturer of solar pumping inverters, solar water pumps, solar pumping
systems, solar water-saving irrigation systems and solar sea water desalination systems.

3. First solar pumping system for irrigation of desert highway shelterbelt finished construction . It has
operated flawlessly with more than 13 years.
2001
First Solar pumping research base was built in Tsinghua University Shenzhen
Graduate School.
2004
First Professional manufacturer around the world providing complete lineup
of solar pumping inverters.
2006
Solartech solar water conservancy systems were applied on desert & steppe ecology recovery
and production increase construction of livestock and grain. Solartech built the first solar
water-saving project for meadowlands construction and improvement in Xinjiang, leading the
solar applications from urban to rural areas.
2015
Solartech was listed in NEEQ on March.17th 2016.
2016
Solartech Solar Water Pumping Technology Research and Global Application was
awarded the United Nations Global Human Settlements Model of Green
Technology.
2014
2011
Solartech solar pumping products entered Chinese Key Promotion
Guidance Catalogue of Advanced Water Conservancy Technologies.
2013
Solartech solar pumping systems represent China Ministry of Commerce
aiding African solar water conservancy construction.
First solar seawater desalination system without energy storage
was operating successfully in Xisha Islands.
2010

4. Solartech Rearch Center
-Comprised of professors, doctorates and specialists
-14 years' professional solar pumping system study
-The world's leading national key laboratory of power system
-The first solar pumping system research demonstration base in the world
Solartech Solar Pumping System Research Demonstration Base

5. Dr. Lu, Qiang, Chief Scientist, Director of National Key Laboratory of
Power Systems in Shenzhen, Academia of Chinese Academy of
Science, Professor of Tsinghua University, Solartech Founder.
-Standing committee member of the CPPCC
-Chief scientist of Chinese Key Fundamental Research Project
-Committee member of the 8th, 9th and 10th CPPCC
-Central committee member of the 7th China Democratic League, Vice
chairman of the 8th and 9th China Democratic league
-Twice honored second price of National Natural Science Award
Dr. Xu, Zheng, Chief Engineer, Doctor of Engineering from Japan
Kyushu University, Associate Professor of Tsinghua University,
Solartech Founder.
-Creator of solar pumping technology
-Vice president of Shenzhen New Energy Association
-Member of council of Guangdong Association of Automation
-Committee member of Shenzhen Power Conservation Experts
Committee
-Executive director of Shenzhen Solar Energy Society
-Expert of Shenzhen Power Conservation Expert league
-Expert of Shenzhen government procurement center
-Member of the editorial board of Modern electric power system series

6. Solar pumping system is made up of solar pumping inverter,PV array and 3-phase AC pump
The AC pump driven by 3-phase induction motor,
draws water from well or rivers and lakes to,
tank/ponds or irrigation systems as well as fountain
systems. Different type of pumps will be used for
specific application.
Turning irradiation from Sunlight into electrical energy
(DC).
Controlling and regulating pumping operation and
voltage conversion from DC to AC.
solar
pumping
inverter
PV array
3-phase
AC pump
Solar
pumping
system

7. Solar pumping system is made up of solar pumping inverter,PV array and 3-phase AC pump
Solar Enery
PV array inverter pump

8. Solar pumping system
Solar pump
Solar pumping inverter
Leading Solar Water Conservancy System Solution Provider
Solar seawater desalination system

10. Solartech DC pump Features
High efficient DC brushless motor. Rich and comprehensive benefits.
Optional centrifugal pump for big flow and helical rotor pump for high lift.
High efficient semiconductor device used in main circuit. High reliability. Up to
98% conversion efficiency of inverter.
Dynamic VI maximum power point tracking (MPPT) algorithm. Fast response and
good stability. 99% MPPT efficiency.
Full automatic operation. Complete protection functions. Integrated with water
level monitor to prevent overflow and dry running.
 Full aluminum alloy case. IP52 protection grade. Ambient temperature: -20~+60 .℃

11. Solartech DC pump Features

12. Solartech DC pump Features
Solartech – PD Inverter
 Suitable for pumps using high efficient permanent
magnet (DC brushless) motors.
 High performance semiconductor used in main
circuit. High reliability. Up to 98% conversion
efficiency.
 Patented dynamic VI maximum power tracking
(MPPT) algorithm; Faster response and good
stability. MPPT efficiency reaches 99%.
 Full automatic operation. Optional water level
switch to protect dry running and overflow.
 Full aluminum alloy case. IP52 protection grade.
Ambient temperature: -20 ~+60 .℃

13. Solartech - PB Inverter Specification
Model
Maximum
Input DC
Voltage (V)
Recommended
MPP Voltage (V)
Output
Voltage ( V
AC)
Input String
Max Solar
input power
(W)
Rated output
current (A)
Output
Frequency(
HZ)
PM600D 150 60-120 48V 1 1000 13 0-110
PM1200D
200 120-160 110V 1 2000 11 0-110
PM1800D
200 120-160 110V 2 3000 16 0-110

14. DC pump Inveter comparsion VS Lorentz
Solar pump is a pumping device powered by solar energy, which consists of solar pumping
inverter and pump
-Powered by solar energy, no need power grid support;
-Automatic operation, maintenance free;
-Easy to install and move, high universality;
-Clean and green, high economic benefits.
-Model ： SPA4370010-SPC855K700
-Head Range ： 5m—350m
-Daily Water Supply Range ： 1000m3—5m3

15. Solartech Solar Pumping Inverter Specification
Model
Rated Power
(KW)
Head
( M )
Daily Flow
( ㎥ / D )
Model
Rated Power
(KW)
Head
( M )
Daily Flow
( ㎥ / D )
SP370 0.37 20-47 20-1 SP11000 11 23-159 500-40
SP550 0.55 15-70 40-1 SP13000 13 27-189 500-40
SP750 0.75 6-81 100-1 SP15000 15 31-208 500-40
SP1100 1.1 8-93 100-1 SP18500 18.5 39-143 500-100
SP1500 1.5 7-128 130-1 SP22000 22 25-86 700-210
SP2200 2.2 12-163 130-1 SP26000 26 30-105 700-210
SP3000 3 9-187 250-10 SP30000 30 35-125 700-210
SP4000 4 6-225 500-10 SP37000 37 40-150 700-210
SP5500 5.5 10-172 500-20 SP45000 45 50-180 700-210
SP7500 7.5 15-237 500-20 SP55000 55 65-200 700-210
SP9200 9.2 20-140 500-40 - - - -

16. Solartech – PB Inverter
•Patented MPPT algorithm
Fast response and stable operation
•Up to 98% conversion rate
Intelligent power module, fully automatic,
complete protection, 8 years data storage
•No energy storage or batteries required
Driving the pump directly, high reliability, greatly
reduce construction and maintenance expenses
•Fully compatible with pumps ，
•Full coverage(0.37-55kW)

17. Solartech - PB Inverter Specification
Model
Maximum
Input DC
Voltage (V)
Recommende
d MPP
Voltage (V)
Output
Voltage
(AC V)
Model
Maximum
Input DC
Voltage (V)
Recommen
ded MPP
Voltage (V)
Output
Voltage
(AC V)
PB400L 430 280-350 3PH 220V PB15KH 750 500-600 3PH 380V
PB750L 430 280-350 3PH 220V PB18KH 750 500-600 3PH 380V
PB1500L 430 280-350 3PH 220V PB22KH 750 500-600 3PH 380V
PB2200L 430 280-350 3PH 220V PB30KH 750 500-600 3PH 380V
PB3700H 750 500-600 3PH 380V PB37KH 750 500-600 3PH 380V
PB5500H 750 500-600 3PH 380V PB45KH 750 500-600 3PH 380V
PB7500H 750 500-600 3PH 380V PB55KH 750 500-600 3PH 380V
PB11KH 750 500-600 3PH 380V - - - -

18. Solartech – PB-G2 Inverte

19. Solartech - PB-G2 Inverter Specification
Model
Maximum
Input DC
Voltage (V)
Recommended
MPP Voltage
(V)
Output
Voltage (AC
V)
Model
Maximum
Input DC
Voltage (V)
Recommende
d MPP
Voltage (V)
Output
Voltage (AC
V)
PB750L-G2 450 150-360 3PH 220V PB5500H-G2 850 500-700 3PH 380V
PB1500L-G2 450 150-360 3PH 220V PB7500H-G2 850 500-700 3PH 380V
PB2200L-G2 450 150-360 3PH 220V PB11KH-G2 850 500-700 3PH 380V
PB3700L–
G2
450 280-360 3PH 220V PB15KH-G2 850 500-700 3PH 380V
PB3700H-
G2
850 500-700 3PH 380V PB18KH-G2 850 500-700 3PH 380V

20. Solartech MPPT Stability Comparison
Date Condition
Dynamic VI
Interruption
PAO
Interruption
2004.12.03 Cloudy 1 24
Solartech Dynamic VI MPPT
PAO Algorithm
Sunny Cloudy

21. 2014 United Nations "Global Human Settlements Model of Green Technology"
Award for: Solartech photovoltaic solar water pumping technology research and global applications.
Event: 2014 Global Forum on Human Settlements, Bogota, Colombia.
Organizers: United Nations Department of Economic and Social Affairs, United Nations Human
Settlements Programme, United Nations Environment Programme.
International Certification