Tailor made PV-pumping solutions ensuring efficient energy and groundwater utilization

Solar technology for off-grid applications

EMPO-NI off-grid solutions – Wernigeroder Strasse 102 – 40595 Düsseldorf – sales@empo-ni.de

Copyright EMPO-NI 2019 Errors and omissions excepted

off-grid solutions

Off-grid technology:Charging, controlling and driving

Solar panel integrated battery charger (5Wp-80Wp 12V-48V)

Solar Panels with integrated battery controller for golfcars*

Thin Film (High Voltage)solar panel battery charger

Solar Panel MPPT controlledmotor drives with GSM option

off-grid solutions

Technology MADE in Germany Produced in Germany and India

SOLAR DIRECT DRIVEs:(SDD1.5kW-425V and SDD5.5kW-850V)PV-pumping GRAIN MILLING OIL PRESSING EVERYWHERE

off-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2015

ENVIRONMENTAL ROBUSTNESS

RELIABILITY (Sahara tested Ta<45°C)

CONNECTIVITY (GSM/RMS)

CONTROLLABILITY

integrated GSM (RMS) command / monitoring

PASSIVELY COOLED – no fans / no service

OUTDOOR IP54

driving 3~ induction motors

driving 3~ BLDC motors (custom setups)

SOLAR DIRECT DRIVEs:(SDD1.5kW-425V and SDD5.5kW-850V)Solar in motion…

off-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2014

• PV energy directly for standard 3~ AC motors

• High Efficiency Maximum Power Tracking (MPPT)

• Flowmeter input, Energy counter, Pay-as-you-go etc.

• PV array voltage (open loop) = 425V / 850Vmax

• IP54 and PASSIVE COOLING up to Tamb = 45°C

• GSM option (SDD5.5kW-850V)

• Digital I/O's automatic start function and custom

ven

tila

tio

n

pu

mp

ing

SOLAR DIRECT DRIVEs:

System configuration and PROTECTION: SENSOR, SENSORLESS, GSM, LEVEL SWITCH and moreoff-grid solutions

M

PV-array(MC4 connector)

Submersible motor and

hydraulic system

Solar Direct Drive(SDD)

Water tank

Well

Level switch H

Level switch L

GSM*

*GSM optional

*Well level switch can be replaced by the SDD’s sensorless detection of insufficient water level

Well level Switch*

SOLAR DIRECT DRIVEs:

REMOTE operation, reporting and commissioningoff-grid solutions

Remote Monitoring System (RMS):

●Start & Stop the Solar Direct Drive●Control over actual and total performance●Energy counter, Flowmeter input●Operation parameter: Hours, DC voltage, DC current, heatsink temperature, motor speed etc.●Error information: Short circuit, over tempe-rature, over voltage, low well water level etc.●Startmodes: Auto start, Digital in etc.●RUN timer and STOP timer read / write●SDD configuration commissioning messages

M

PV-array(MC4

connector)

Solar Direct Drive(SDD)

Water tank

Well

Level switch H

Levelswitch LGSM*

Pump

EMPO-NI off-grid solutions MADE IN GERMANY © 2016

SOLAR DIRECT DRIVEs:

REMOTE ALARM: Anti-theft protection (patent pending)off-grid solutions

Remote Alarm System (RAS):

●Detects removal of a PV-panel●Detects short circuiting of a PV-panel●Detects removal of the Solar Direct Drive●Patent pending●Available Q1/2020

M

PV-array(MC4

connector)

Solar Direct Drive(SDD)

Water tank

Well

Level switch H

Levelswitch LGSM*

Pump

EMPO-NI off-grid solutions MADE IN GERMANY © 2019

ALARM

SOLAR DIRECT DRIVEs:

The industrial standard solutionoff-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2019

RMS

Cabinet IP54 (before inserting vents)

Air inlet(no IP54)(blocked by dust)

Particle and humidity inside(!)

Inverter IP20

Remote Monitoring System separately

SOLAR DIRECT DRIVEs:

OPTIMIZED solution versus industrial standard solutionsoff-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2019

IP54outdoor

Passively cooled, no filter →maintenance

free, IP54, Tamb < 45°C

Rotating fan, IP20 /

IP42, Tamb < 45°C

Additional enclosure, IP54,

BUT Tamb < 25°C

+ fan + filter (+service!),

IP54 Tamb < 45°C

Reliability rating:

85%Reliability rating: 100% Reliability rating: 55% Reliability rating: 10%

Inexpensive industrial VFDNeed environmental protecttionNeed additional fan for Ta=45°C

Dedicated design for outdoor and Ta=45°C no

additional fan / case needed

Dedicated pump control and protection fuctions!

GSM option

Closed box: Too hot (!) → cooling!Additional fan and filter → rotating

SOLAR DIRECT DRIVEs:

Tailor made PV-panel power off-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2019

2.2kW4kW

5.5kW

Thin Film panel

solution:, e.g. 2

stings 7 x 85Wp

(VOL< 425V)

Motor 3ph 230V

14 PV-panels

230Wp/240Wp

(60cell)

Motor 3ph 230V

(∆)

20 PV-panels

240Wp/250Wp

(60cell) e.g

250Wp Motor

3ph 380V (Y)

22 PV-panels

280Wp++

(60cell)

22 x 280Wp

Motor 3ph 380V

(Y)

Performance

PV-panels!

1.1kW

PV array selection criteria:

oOpen circuitvoltage (Voc) < 850V (SDD5.5kW-850V)

oOpen circuit voltage (Voc) < 425V (SDD1.5kW-425V)

oMinimum cost of PV-array

50m: 5m³/h

120m: 2,1m³/h

50m: 9m³/h

120m: 3,5m³/h

50m: 18m³/h

120m: 7m³/h

50m: 26m³/h

120m: 9,5m³/h

6 PV-panels

230Wp/240Wp

(60cell) EMPO-NI

Motor 3ph 160V

≤375W

50m: 1,0m³/h

80m: 0,2m³/h

1.5kW50m: 4,6m³/h

120m: 1,5m³/h

11 PV-panels

250Wp (60cell)

Motor 3ph 230V

(∆)

3 PV-panels

230Wp/240Wp

(60cell) EMPO-NI

submersible motor

3ph 375W

Pump head: pump capacity

Other types on request

ERRORS AND OMISSIONS EXCEPTED

NEW!low cost KITwith ss-pump

550W

50m: 2,0m³/h

120m: 0,3m³/h

4 PV-panels

230Wp/240Wp

(60cell) EMPO-NI

submersible motor

3ph 550W

NEW!low cost KITwith ss-pump

5 PV-panels

230Wp/240Wp

(60cell)

Motor 3ph 110V

(EMPO-NI)

750W

NEW!low cost KITwith ss-pump

NEW!low cost KITwith ss-pump

EMPO-NI off-grid solutions

Contact addressesoff-grid solutions

EMPO-NI off-grid solutions MADE IN GERMANY © 2019

Visitor’s centre:

EMPO-NI off-grid solutions

Erkrather Strasse 401

40231 Düsseldorf, Germany

Headquarter:

EMPO-NI off-grid solutions

Wernigeroder Strasse 102

D-40595 Düsseldorf

Germany

➢Contact us for technical inquiries• engineering@empo-ni.de

➢Contact us for commercial inquiries:• sales@empo-ni.de

fon: +49 (0) 211 361 848 64

fax: +49 (0) 321 212 841 95