String Solar Power Inverter 10kw-20kw-US, ETL

String Solar Power Inverter 10kw-20kw-US, ETL System 1

String Solar Power Inverter 10kw-20kw-US, ETL

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Loading Port:: Shekou

Payment Terms:: TT OR LC

Min Order Qty:: 5 watt

Supply Capability:: 10000 watt/month

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String Solar Power Inverter 10kw-20kw-US, ETL

Specifications
Maximum efficiency of 98%
Multi MPP controller
MTL String
Bluetooth technology&Sound control

PV Inverter 10000UE,12000UE,18000UE,20000UE-US Series

Leading - edge Technology
High efficiency of 97.5% delivery more energy
Dual independent MPP tracking lead to optimal energy harvesting
Integrated DC disconnect switch
Consistent and stable performance across entire input voltage and
output power range
True three-phase transformerless GT topology
Bluetooth / RF technology / Wi-Fi
Sound control, easy installation maintenance procedure
Newest generation IGBTs and advanced MPPT algorithms
Comprehensive protection for IGBTs, overvoltage, islanding,
short-circuit,overload,overheat,etc
Flexible system design with safety fuse module and lightening
proof module

Model Specification	10000TL3-US	12000TL-US	18000TL-US	20000TL-US
Input data(DC)
Max. recommended PV power	12500W	15000W	21600W	24000W
Max. DC Power	10500W	12500W	18750W	20850W
Max. DC voltage	600V	600V	600V	600V
Start voltage	120V	120V	120V	120V
DC nominal voltage	375V	375V	375V	375V
PV voltage range	80V-600V	80V-600V	80V-600V	80V-600V
MPP voltage range(Full load)	250V-600V	250V-600V	250V-600V	250V-600V
Max. input current of the MPP tracker A/tracker B	21A/21A	25A/25A	38A/38A	42A/42A
Max. input short circuit current	32A/32A	32A/32A	50A/50A	50A/50A
Number of independent MPP trackers/strings per MPP tracker	2/3	2/3	2/6	2/6
Output data(AC)
Nominal output power	10000W	12000W	18000W	20000W
Nominal AC voltage	480V	480V	480V	480V
AC voltage range	422-528VAC	422-528VAC	422-528VAC	422-528VAC
Nominal AC grid frequency	60 Hz	60 Hz	60 Hz	60 Hz
AC grid frequency range	59.3-60.5 Hz	59.3-60.5 Hz	59.3-60.5 Hz	59.3-60.5 Hz
Max. output current(cos φ=1)	12.0A	14.5A	21.5A	24A
Power factor(cos φ)	>0.99 (0.9 Leading to 0.9 Lagging)	>0.99 (0.9 Leading to 0.9 Lagging)	>0.99 (0.9 Leading to 0.9 Lagging)	>0.99 (0.9 Leading to 0.9 Lagging)
Harmonics	<3%< span="">	<3%< span="">	<3%< span="">	<3%< span="">
Grid connection type	3/N/E	3/N/E	3/N/E	3/N/E
Efficiency
Max. efficiency	97%	97%	97.5%	97.5%
CEC-Weighted efficiency	95.5%	95.5%	96%	96.5%
MPPT efficiency	99.5%	99.5%	99.5%	99.5%
Protection devices
DC reverse-polarity protection	yes	yes	yes	yes
Input over voltage protection -Varistor	yes	yes	yes	yes
DC switch for each MPP tracker	yes	yes	yes	yes
Input over voltage protection -DIN rail surge arrester(Option)	Class II	Class II	Class II	Class II
DC insulation measure	yes	yes	yes	yes
AC short circuit protection	yes	yes	yes	yes
Output over voltage protection -Varistor	yes	yes	yes	yes
Output over voltage protection -DIN rail surge arrester(Option)	Class II	Class II	Class II	Class II
String fuse type/size(Option)	15A/600VDC 10*38mm	15A/600VDC 10*38mm	15A/600VDC 10*38mm	15A/600VDC 10*38mm
General Data
Dimensions(WHD)	530705247mm 20.8/27.6/9.7inch	530705247mm 20.8/27.6/9.7inch	650740247mm 25.6/29.1/9.7inch	650740247mm 25.6/29.1/9.7inch
Weight	46kg/101.5lb	46kg/101.5lb	63kg/138.9lb	63kg/138.9lb
Operating ambient temperature range	–25°C ... +60°C –13°F ... +140°F (Derating above 40°C/104°F)	–25°C ... +60°C –13°F ... +140°F (Derating above 40°C/104°F)	–25°C ... +60°C –13°F ... +140°F (Derating above 40°C/104°F)	–25°C ... +60°C –13°F ... +140°F (Derating above 40°C/104°F)
Noise emission	≤50dB(A)	≤50dB(A)	≤50dB(A)	≤50dB(A)
Relative Humidity	0~95%	0~95%	0~95%	0~95%
Altitude	≤2000m/6560ft
Self Consumption night	< 3 W	< 3 W	< 3 W	< 3 W
Topology	Transformerless	Transformerless	Transformerless	Transformerless
Cooling concept	Fan Cool	Fan Cool	Fan Cool	Fan Cool
Electronics protection rating /connection area	NEMA 3R	NEMA 3R	NEMA 3R	NEMA 3R
Features
Display	Graphic	Graphic	Graphic	Graphic
Interface:RS232/RS485/ Bluetooth/RF/Zigbee/Wifi	yes/yes/opt/opt /opt/opt	yes/yes/opt/opt /opt/opt	yes/yes/opt/opt /opt/opt	yes/yes/opt/opt /opt/opt
Warranty:10 years /15 years	yes/opt	yes/opt	yes/opt	yes/opt
Certificates and approvals	UL1741,UL1998,IEEE1547,FCC part 15(class B),CSA C22.2 No.107.1

Q:What are the key features to consider when choosing a solar inverter?: When choosing a solar inverter, there are several key features to consider. Firstly, the power rating or capacity of the inverter should match the size of your solar panel system to ensure efficient energy conversion. Additionally, the efficiency rating of the inverter is important as it determines how much energy is lost during the conversion process. It is also crucial to look for an inverter with reliable and durable components to ensure long-term performance and minimize maintenance costs. Other important features include the presence of monitoring capabilities, such as data logging and remote monitoring, which allow you to track the performance of your solar system. Finally, considering the warranty and customer support offered by the manufacturer is essential to ensure adequate support and protection for your investment.

Q:What is the maximum DC input current that a solar inverter can handle?: The maximum DC input current that a solar inverter can handle depends on the specific model and its design specifications. It can range from a few amps to several hundred amps, depending on the power capacity and intended usage of the inverter. It is important to consult the manufacturer's specifications to determine the exact maximum DC input current for a specific solar inverter.

Q:How does a solar inverter synchronize with the electrical grid?: A solar inverter synchronizes with the electrical grid by constantly monitoring the voltage and frequency of the grid. It adjusts its own output voltage and frequency to match the grid's, ensuring that the electricity generated by the solar panels is in phase and synchronized with the grid. This synchronization allows the solar power to be seamlessly integrated into the grid, enabling efficient power transfer and preventing any disruption to the supply.

Q:How does a solar inverter handle voltage dip and interruption?: A solar inverter handles voltage dip and interruption by continuously monitoring the incoming grid voltage. In case of a voltage dip, it utilizes its internal control mechanisms to stabilize and regulate the output voltage, ensuring a consistent power supply to the connected solar panels. In the event of a complete interruption of grid power, the inverter quickly switches to an off-grid mode, where it utilizes the solar energy stored in batteries (if available) to continue powering the connected loads. This way, it effectively mitigates the impact of voltage fluctuations and interruptions, ensuring uninterrupted power supply from the solar panels.

Q:What is the role of a data logger in a solar inverter?: A data logger in a solar inverter is responsible for monitoring and recording important data related to the performance of the solar power system. It captures and stores information such as solar energy production, voltage levels, current flow, temperature, and other relevant metrics. This data is crucial for analyzing the efficiency and overall functioning of the solar inverter, as well as for identifying any potential issues or areas for improvement. Additionally, the data logger enables users to track the energy output and consumption, helping them make informed decisions about energy usage and potentially optimize their solar power system.

Q:What is the role of a DC-DC converter in a solar inverter?: The role of a DC-DC converter in a solar inverter is to convert the direct current (DC) generated by the solar panels into the appropriate voltage level required for the inverter to convert it into alternating current (AC) electricity. This conversion ensures efficient power transfer from the solar panels to the grid or for use in residential or commercial applications.

Q:What is the role of a solar inverter in protecting the electrical grid?: The role of a solar inverter in protecting the electrical grid is to efficiently convert the direct current (DC) generated by solar panels into alternating current (AC) that can be safely integrated and synchronized with the existing grid. This helps ensure the stability, reliability, and quality of the electricity being fed into the grid, preventing any potential disruptions or damages that could occur due to inconsistent or incompatible power inputs. Additionally, solar inverters also play a crucial role in monitoring and controlling the energy flow, protecting against grid faults, and providing necessary safety features like voltage regulation and anti-islanding to safeguard both the grid and the solar installation.

Q:How do you calculate the maximum power point tracking efficiency for a solar inverter?: To calculate the maximum power point tracking (MPPT) efficiency for a solar inverter, you need to compare the actual power output of the inverter with the maximum power point (MPP) of the solar panel. It can be calculated by dividing the actual power output by the MPP power and then multiplying the result by 100 to get the efficiency in percentage. The formula is: MPPT efficiency = (Actual Power Output / MPP Power) * 100.

Q:What is the purpose of a solar inverter in a solar power system?: The purpose of a solar inverter in a solar power system is to convert the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity, which is the type of electricity used in most household appliances and the power grid.

Q:How does a solar inverter handle voltage flicker?: A solar inverter handles voltage flicker by continuously monitoring the voltage fluctuations in the grid and adjusting its output accordingly. It uses advanced control algorithms to stabilize the voltage and maintain a consistent power supply to the connected devices. Additionally, it may have built-in features such as reactive power compensation and voltage regulation to minimize voltage flicker and ensure a smooth and reliable energy conversion process.

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