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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 – [email protected]
Copyright EMPO-NI 2019 Errors and omissions excepted
off-grid solutions
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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
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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)
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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
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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*
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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
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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
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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
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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
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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
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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• [email protected]
➢Contact us for commercial inquiries:• [email protected]
fon: +49 (0) 211 361 848 64
fax: +49 (0) 321 212 841 95