An introduction to Zeversolar inverters
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Transcript of An introduction to Zeversolar inverters
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Introduction of
zeversolar inverters
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Agenda
1. Overview
2. Introduction of Zeversolar String Inverters
3. A Look Inside
4. Technical Information
5. Monitoring Solution
6. PMU
7. SolarCloud
8. ZeverPlan
9. What I´ve Seen
10. Manufacturing Tour
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Overview
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Our Product Overview
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No matter what size your solar plant is we offer the right inverter
Our string inverters range from 1.5kW to 20kW to satisfy residential and commercial usage
* Available expected end of 2014
** Available expected August 2014
*** Available expected end of October 2014
1-3
TL1500
TL2000
TL3000
3-5
TL3680
TL5000
4-6
TLC4000
TLC5000*
TLC6000
TLC8000**
500
NSG-
500K3TL
1000 KW
NSG-
1000K3TL
15-20
TLC10K**
TLC15K
TLC17K
TLC20K
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Certification
5
UK Certificates can be downloaded from the ENA Register
http://www.ena-eng.org/ProductTypeTestRegister/Login.aspx?LoggedOut=Y
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Introduction of Zeversolar
String Inverters
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Single Phase Inverters
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Eversol TL
TL1500-20
TL2000-20
TL3000-20
Features:
• Efficiency - > 96,5 %, MPPT - 99,5 %, European - > 96,2 %
• RS485 communication via RJ45 (IP65)
• IP65
• Convection cooled
• Eversol TL – 1 MPPT / Evershine TL – 2 MPPT´s
Introduction of Zeversolar Inverters
Evershine TL
TL3680*
TL5000-10
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Three Phase Inverters
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Evershine TLC
TLC4000
TLC5000*
TLC6000
TLC8000**
Features
• Efficiency - 98 %, MPPT - 99,5 %, European - 97,5 %
• Wide voltage range
• Two MPPT´s for flexible PV Plant design
• Graphical LCD-Display
• IP65
Introduction of Zeversolar Inverters
Eversol TLC
TLC10K*
TLC15K
TLC17K
TLC20K
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A Look Inside
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Exploded View
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Bracket
Heat sink
PCBA
Tank
Lid
Eversol TL
Bracket
Heat sink
PCBA
Tank
Lid
Bracket
Heat sink
PCBA
Tank
Lid
Evershine TLC Eversol TLC
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Eversol TL
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直流EMC滤波器DC EMC filter
光伏输入DC input
直流开关DC switch
升压电路BOOST DC/DC
逆变电路DC/AC
交流电抗器AC inductor
EMC滤波器EMC filter
L
N
PE
交流输出AC output
继电器Relay
987654321
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Technical Information
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High Power Generating Capability
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• High efficiency across all products > 97 %
• High input DC voltage
• PV Array oversizing – 30 %
• Reactive Power Control up to 0.85 lagging / leading
• Wide MPPT voltage range
• Multiple MPPT´s
• East / West design
• Flexible string lengths
MPPT A
MPPT B
Flexibility
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Did You Know
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• IP 65 rated enclosure and RJ45 comm ports
• Tolerant to temperature [-25oC – 60oC]
• Heatsink
• Cooling Fan
• 3 kW - up to 10 kg lighter – lowest DC start up voltage – lowest DC shutdown voltage
• 5 kW – up to 7 kg lighter – lowest DC start up voltage – lowest DC shutdown voltage
• 15 kW – 9 kg heavier – not the lightest
• Quality internal components
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Sunclix DC Connector
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• No special crimping tool required
• 2.5mm2 – 6mm2
• 40 A CCC – 1100 V
• Terminate cable up to 10 times
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Optimisation of the Product
Development Process
Engineering
Pilot TrialProject Start
Planning &
PreperationR&D Design
Labor Pilot
Trial
Field
Pilot TrialMass
Production
Market Research, Feasibility Assessment
Establishment of Project Team
Review by Technical Experts
Evaluation by SMA
Customer Tests
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High Reliability
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• Comprehensive Testing• Zeversolar (internal)
• SMA – 30 years of experience
• Tests include:-• Manual Parametric Test
• Fan control test
• Residual current test
• ISO test ……
• ATE Test
• Environmental Verification Test
• IPXX test
• High&low temperature characteristic evaluation
• High temperature & humidity test, Drop test ……
• Field application test
• Teamwork• Zeversolar and SMA engineers work together
`Testing in accordance
with SMA standards´
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„All in all, the product, Eversol
TL3000, is operating smoothly and
steadily. We have expectations
that customers will be satisfied
with it.”
--- SMA Test Centre
Feb. 2014
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Summary
PASSED
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Monitoring Solution
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Overview
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Data collector
PMU(Power Management Unit):
• Comprehensive data and event collection.
• Upload data to cloud storage, local/remote monitoring via network connection.
• Support power regulation required by BDEW and EEG
PMUSolar Cloud
Zeversolar inverters
RS485
Internet
Monitor interface
Solar Cloud:
URL: http://solarcloud.zeversolar.com/
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PMU
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PMU – Power Management Unit
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PMU web server
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Solarcloud
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Solarcloud
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PC interface Mobile phone interface
Monitoring interface
Solar Cloud:
URL: http://solarcloud.zeversolar.com/
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ZeverPlan - Demo
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ZeverPlan
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ZeverPlan
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What I´ve Seen
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RCD Nuisance Tripping
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• Residual Current Device
• Detects leakage current
• Rated @ 30 mA – avoid heart attacks caused from electric shock
X X X X
X
X
X X X X
XX Addition of PV causes
Upstream RCD´s to trip
Some inverters disconnect
after 5s on loss of mains
Back
Connect to supply side of
main RCD
• Zeversolar inverters have an internal Residual Current Monitoring Unit
• We recommend a 120 mA RCD Type A or B
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High Line Voltage
33
• Typical in rural properties
• Measured line voltages exceeding 250 V
• High irradiance + low load = export power -> voltage rise – inverter trip
255 VExport
• Turn on more load – boil some water in kettle or turn on stove
• Ask DNO to change the taps on Tx to reduce the voltage
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Oversizing PV Array
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• Oversize by how much?
• 10 % in areas of high irradiance
• 20 – 30 % in areas of low irradiance
• 3 kW Array Vs 4 kW Array – SB3000TL – 250 W Trina Solar Panels – London
• 3 kW – 2732 kWh/yr Vs 4 kW – 3647 kWh/yr
• Pvsyst 5.54!
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Manufacturing Tour
Company Information35
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Manufacturing
Capacity
4 string inverter manufacturing
lines and 3 central inverters
manufacturing lines (4 lines by
end of 2014)
1.8GW annual capacity with
full product portfolio
now/2.8GW capacity from end
of 2014
36Company Information
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String Inverter Tour
Company Information37
PCB Soldering PCB Check
Documentation
Assembly
PackingReady for Shipping
ATE Testing
Age Test
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Central Inverter Tour
Company Information38
Assembly Line Front Assembly
Ready for ShipmentContainerised 1 MW Age Test
Front Assembly Rear Assembly Rear Assembly
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Thank you.
Energy for everybody.
Kaiserswerther Str. 115 | 40880 Ratingen Deutschland
Tel.: +49 2102 420 000 | Fax.: +49 2102 420 001
www.zeversolar.com