• Trina Solar Inverter for Residential and Small Commercial PV Installations System 1
  • Trina Solar Inverter for Residential and Small Commercial PV Installations System 2
  • Trina Solar Inverter for Residential and Small Commercial PV Installations System 3
Trina Solar Inverter for Residential and Small Commercial PV Installations

Trina Solar Inverter for Residential and Small Commercial PV Installations

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China main port
Payment Terms:
TT or LC
Min Order Qty:
10 carton
Supply Capability:
20000 carton/month

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EA4KDL/EA4K6DL/EA5KDL/EA6KDL    

EA4KDL / EA5KDL / EA6KDL is designed for residential and small commercial PV installations. This inverter has dual input section to process two strings with independent MPPT, high speed and precise MPPT algorithm for real-time power tracking and energy harvesting, as well as transformerless operation for high performance efficiencies of up to 97.5%. The wide input voltage range makes the inverter suitable to low power installations with reduced string size. This outdoor inverter has been designed as a completely sealed unit to withstand the harshest environmental conditions.

   

● Transformerless, maximum efficiency up to 97.5%
● Dual input sections with independent MPP tracking, allows optimal energy harvesting from two sub-arrays oriented in different directions
● Wide MPPT range, convenient for module configuration
● High speed and precise MPPT algorithm for real time power tracking and improved energy harvesting
● High reliability with full protective functions
● Ideal for outdoor installations
● Water-proof direct plug-in terminals
● Multilingual LCD, easy to operate
● Integrated multi-communication interfaces, easy to monitor
● TÜV, AS4777, CE, CQC certification

 

Specification/Type

EA4KDL

EA4K6DL

EA5KDL

EA6KDL

Input (DC)

Max DC Power

4400Wp

5000Wp

5500Wp

6600Wp

Max DC Voltage

520V

520V

520V

520V

Recommend PV Array DC Voltage

480V

480V

480V

480V

Full-load MPPT Voltage Range

180-420V

180-420V

180-420V

180-420V

Number of Independent MPPT

2

2

2

2

Max DC Current for Each MPPT

12A

14A

15A

18A

Number of DC Inputs

4(2 for each MPPT)

4(2 for each MPPT)

4(2 for each MPPT)

4(2 for each MPPT)

MPPT Efficiency (Static)

99.5%

99.5%

99.5%

99.5%

Output (AC)

Nominal AC Power

4000W

4600W

5000W

6000W

Nominal AC Voltage

230Vac

230Vac

230Vac

230Vac

Nominal AC Current

18A

20A

22A

26A

Nominal Frequency

50Hz/60Hz

Frequency Tolerance Range

47.5-50.2Hz/57.5-60.2Hz

Distortion (THD)

<3% (at rated power)

Output DC Current Injection

<0.5% (at rated current)

Power Factor (Cos phi)

>0.99

Number of Grid Phases

1

System Parameters

Max Efficiency

97.6%

97.6%

97.6%

98.6%

Euro Efficiency

97.0%

97.0%

97.0%

97.3%

Night Consumption

0W

Topology

Transformerless

Acoustic Noise Level

50dB(A)

Operation Temperature Range

-20℃~+60℃

Relative Humidity

4~100%(no condensation)

Protection Type

IP65

Above Sea Level

1000m

Structure Parameters

Dimensions(W×D×H)

450×200×540mm

Weight

25kg

25kg

28kg

28kg

Others

Communication

RS485,USB(Optional),Ethernet (Optional)

Display

Wide-screen LCD

·         Q. What's lifetime of a UPS ?

Most plug-in UPS are workable for at least five years. We'd advise you to change the batteries every three to four years. For larger equipment, we maintain equipment for twenty years old and still going strong.

·         Q. How to maintain a UPS ?

There are three simple methods:  Never overload your UPS, never connect any home electronic devices such as cooling fan to your UPS. This may cause malfunction of your UPS. Discharge the battery in a consistent interval, once a month or once two months.  You can do this by turning on the UPS without connecting the mains.

 

 

 

Q: How does a solar inverter handle voltage and frequency variations caused by grid faults?
Grid support or anti-islanding function is the process by which a solar inverter manages voltage and frequency variations resulting from grid faults. It promptly detects disturbances, such as sudden drops or spikes in voltage or frequency, and responds accordingly. To address voltage variations, the solar inverter incorporates a voltage control mechanism. It continuously monitors the grid voltage and adjusts its own output voltage to match the grid level. In the event of a voltage drop or spike due to a grid fault, the inverter adjusts its output voltage to maintain a stable and secure operating condition. This safeguards both the solar system and the grid from potential harm. Similarly, the solar inverter handles frequency variations caused by grid faults. It constantly monitors the grid frequency and adjusts its own output frequency to align with the grid. If a grid fault results in a sudden frequency change, the inverter responds by adjusting its own frequency. This ensures the solar system remains synchronized with the grid and continues to provide uninterrupted power supply. Furthermore, solar inverters are equipped with anti-islanding protection. This feature enables them to quickly disconnect from the grid in the event of a grid fault. This safety measure prevents the solar system from supplying power to a faulty grid, thus minimizing risks to utility workers during repair. In summary, the solar inverter's capacity to handle voltage and frequency variations caused by grid faults is vital for the efficient and safe operation of a solar power system. By continuously monitoring and adjusting its output to match grid conditions, the inverter guarantees a stable and reliable power supply while keeping the solar system in sync with the grid.
Q: How does a solar inverter handle grid faults or disturbances?
A solar inverter handles grid faults or disturbances by constantly monitoring the grid voltage and frequency. When a fault or disturbance is detected, the solar inverter will disconnect from the grid within a few milliseconds to ensure the safety and stability of the system. It will then enter a standby mode until the grid fault is resolved. Once the grid is back to normal, the solar inverter will reconnect and resume normal operation, providing power to the grid and maintaining synchronization.
Q: What is the role of a power management system in a solar inverter?
The role of a power management system in a solar inverter is to optimize the generation, distribution, and usage of solar power. It ensures efficient energy conversion, monitors the solar panel performance, manages the flow of electricity to and from the grid, and maximizes the overall system efficiency. Additionally, it may include features such as power factor correction, voltage regulation, and protection mechanisms to enhance the reliability and safety of the solar inverter.
Q: What are the key features to consider when purchasing a solar inverter?
When purchasing a solar inverter, there are several key features to consider. Firstly, the power rating of the inverter should match the capacity of your solar panels to ensure efficient energy conversion. Additionally, the efficiency of the inverter is important as it determines how effectively it converts solar energy into usable electricity. Other crucial features include the type of inverter (string or micro), warranties and certifications, monitoring capabilities, and safety features such as overload protection and anti-islanding protection.
Q: What is the difference between a centralized and decentralized solar inverter system?
A centralized solar inverter system involves connecting multiple solar panels to a single inverter, with all the panels connected in series. The combined DC power generated by the panels is then converted into AC power by the centralized inverter. On the other hand, a decentralized solar inverter system, also known as microinverters or power optimizers, consists of each solar panel having its own dedicated inverter. In this system, each panel operates independently and converts its DC power into AC power directly at the panel level. The main distinction between the two systems lies in their architecture and power conversion methods. In a centralized system, the overall power output of the entire array depends on the performance of a single inverter. If any panel in the array underperforms due to shading or malfunction, it can significantly impact the overall system's performance. Additionally, a single inverter can limit design flexibility and system scalability. In a decentralized system, each panel operates independently, allowing for greater flexibility and optimization. The individual inverters in a decentralized system can maximize the power output of each panel, regardless of shading or performance variations. This also means that the overall system performance is less affected by the underperformance of a single panel. Moreover, decentralized systems offer better scalability as additional panels can be easily added without the need for significant system redesign. Decentralized systems also provide improved monitoring capabilities, as each inverter can provide real-time data on individual panel performance. This simplifies troubleshooting, maintenance, and issue identification within the solar array. To summarize, while a centralized solar inverter system is a simpler and more cost-effective option, a decentralized system offers better optimization, scalability, monitoring, and performance reliability. Choosing between the two systems depends on factors such as system size, shading conditions, budget, and desired level of control and flexibility.
Q: What are the potential risks of over-discharging a battery connected to a solar inverter?
The potential risks of over-discharging a battery connected to a solar inverter include reduced battery lifespan, decreased battery performance, and potential damage to the battery cells. Over-discharging can lead to deep cycling, causing the battery to degrade faster and lose its capacity to hold a charge effectively. This can result in shorter backup power duration during periods of low solar generation. Additionally, excessive discharge can cause irreversible damage to the battery cells, leading to reduced overall battery performance and potential safety hazards.
Q: Can a solar inverter be used with a solar water heating system?
No, a solar inverter cannot be used with a solar water heating system. Solar inverters are designed to convert the direct current (DC) power generated by solar panels into alternating current (AC) power for use in electrical appliances. On the other hand, solar water heating systems use solar collectors to heat water directly, without the need for electrical conversion. Therefore, the two systems serve different purposes and are not compatible with each other.
Q: What is the maximum input voltage for a solar inverter?
The maximum input voltage for a solar inverter depends on the specific model and manufacturer. It can vary, but generally, solar inverters can handle input voltages ranging from 300 to 1000 volts.
Q: Can a solar inverter be used in areas with high seismic activity?
Yes, a solar inverter can be used in areas with high seismic activity. However, it is essential to ensure that the solar inverter is designed to withstand seismic vibrations and has been installed using appropriate seismic-resistant mounting techniques. Special precautions and engineering considerations may be necessary to ensure the inverter's integrity and functionality during seismic events.
Q: How does a solar inverter protect against voltage fluctuations?
A solar inverter protects against voltage fluctuations by continuously monitoring the voltage levels from the solar panels. It then adjusts the output voltage to match the required voltage for the connected devices or the grid. This ensures a stable and consistent voltage supply, preventing any damage that could be caused by sudden voltage spikes or drops.

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