SolartechSolartechSolutions and Applications Solutions and Applications

for South Asiafor South Asia

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.

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

2011Solartech 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

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

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 AwardDr. 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

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

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

Solar Enery

PV array inverter pump

Solar pumping system

Solar pump

Solar pumping inverter

Leading Solar Water Conservancy System Solution Provider

Solar seawater desalination system

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℃.

Solartech DC pump Features

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℃.

Solartech - PB Inverter Specification

ModelMaximum Input DC Volta

ge (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

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

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 - - - -

Solartech – PB Inverter

•Patented MPPT algorithmFast response and stable operation•Up to 98% conversion rateIntelligent power module, fully automatic, complete protection, 8 years data storage

•No energy storage or batteries requiredDriving the pump directly, high reliability, greatly reduce construction and maintenance expenses•Fully compatible with pumps ，•Full coverage(0.37-55kW)

Solartech - PB Inverter Specification

ModelMaximum Input DC Vo

ltage (V)

Recommended MPP Voltag

e (V)

Output Voltage (AC V)

ModelMaximum Input DC Volt

age (V)

Recommended MPP Vo

ltage (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 - - - -

Solartech – PB-G2 Inverte

Solartech - PB-G2 Inverter Specification

ModelMaximum Input DC Volta

ge (V)

Recommended MPP Voltage

(V)

Output Voltage (AC

V)Model

Maximum Input DC Voltag

e (V)

Recommended MPP Voltag

e (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

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

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