Trina Solar Inverter for Residential and Small Commercial PV Installations

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

Trina Solar Inverter for Residential and Small Commercial PV Installations

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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.

Central Inverter Designed for Residential and Small Commercial PV Installations

Q:Can a solar inverter be used in systems with different module voltages?: Yes, a solar inverter can be used in systems with different module voltages by adjusting its settings or using additional components such as DC optimizers or power optimizers. These components help in matching the voltage of the solar modules to the input voltage range of the inverter, allowing for efficient power conversion.

Q:How does a hybrid solar inverter work?: A hybrid solar inverter works by converting the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used to power household appliances or fed back into the grid. It also has the capability to store excess solar energy in batteries for later use, ensuring continuous power supply even during periods of low sunlight or power outages. This enables users to maximize their solar energy utilization and reduce dependence on the grid.

Q:Can a solar inverter be used for off-grid systems?: Yes, a solar inverter can be used for off-grid systems. In fact, it is an essential component of off-grid solar systems as it converts the DC (direct current) electricity generated by the solar panels into AC (alternating current) electricity that can be used to power household appliances and other electrical devices.

Q:What are the communication protocols used in solar inverters?: There are several communication protocols commonly used in solar inverters to facilitate communication between the inverter and other devices or systems. Some of the most commonly used communication protocols in solar inverters include: 1. Modbus: Modbus is a widely used communication protocol for industrial devices, including solar inverters. It is a serial communication protocol that allows for the transmission of data between the inverter and other devices, such as monitoring systems or data loggers. Modbus is known for its simplicity and flexibility, making it a popular choice in the solar industry. 2. SunSpec: SunSpec is a communication protocol specifically designed for the solar industry. It provides a standardized way for solar inverters to communicate with other devices, such as smart meters or monitoring systems. SunSpec supports both wired and wireless communication, allowing for easy integration of solar inverters into larger energy management systems. 3. CAN bus: CAN (Controller Area Network) bus is a widely used communication protocol in various industries, including automotive and industrial applications. It is a robust and reliable protocol that allows for high-speed communication between devices. Some solar inverters utilize CAN bus to communicate with other devices or systems, providing a reliable means of data transfer. 4. Ethernet: Ethernet is a widely used communication protocol in the IT industry, and it is also utilized in some solar inverters. By using Ethernet, solar inverters can communicate with other devices or systems over a local area network (LAN) or the internet. Ethernet offers high-speed communication and can support various communication standards, making it a versatile option for solar inverters. It's important to note that different solar inverter manufacturers may use different communication protocols or a combination of them. The choice of communication protocol depends on factors such as the specific requirements of the system, the compatibility with other devices or systems, and the level of integration desired.

Q:Can a solar inverter be used in a solar-powered desalination system?: Yes, a solar inverter can be used in a solar-powered desalination system. A solar inverter is responsible for converting the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity, which is required to power the desalination system. By utilizing a solar inverter, the solar energy generated can be efficiently utilized to operate the desalination process, making it a sustainable and environmentally friendly solution for producing fresh water from seawater.

Q:Can a solar inverter be upgraded or expanded?: Yes, a solar inverter can be upgraded or expanded. Upgrades can involve installing additional features, improving efficiency, or increasing capacity. Expansion can involve connecting multiple inverters in parallel or series to accommodate larger solar installations. However, it is important to ensure compatibility and consult with a professional to ensure the upgrade or expansion is done correctly.

Q:What is the role of a solar inverter in preventing system downtime?: The role of a solar inverter in preventing system downtime is crucial as it converts the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices. By regulating and stabilizing the electrical output, a solar inverter ensures that the system remains operational and prevents any potential disruptions or downtime. Additionally, modern solar inverters often come equipped with advanced features like monitoring capabilities, which allow for real-time identification and troubleshooting of any issues, further minimizing the risk of system downtime.

Q:How does a solar inverter handle grid disturbances (voltage sags, swells, flickers)?: A solar inverter handles grid disturbances such as voltage sags, swells, and flickers by constantly monitoring the grid's voltage and frequency. When a disturbance occurs, the inverter utilizes its internal control mechanisms to adjust the solar power output accordingly. It can compensate for voltage sags by injecting additional power into the grid, and it can reduce power output during voltage swells to prevent overloading. Additionally, the inverter's control algorithms help minimize flickering by maintaining a stable and consistent power supply to the grid.

Q:How does a solar inverter affect the value of a property?: A solar inverter can positively affect the value of a property by increasing its desirability and potential energy savings. It allows for the conversion of solar energy into usable electricity, reducing reliance on the grid and potentially lowering energy bills. Additionally, having a solar inverter in place can demonstrate a commitment to sustainability and environmental consciousness, which may be appealing to potential buyers and increase the property's overall value.

Q:Can a solar inverter be used with concentrated photovoltaic systems?: Yes, a solar inverter can be used with concentrated photovoltaic systems. Concentrated photovoltaic systems use lenses or mirrors to concentrate sunlight onto high-efficiency solar cells. The solar inverter's role remains the same in converting the DC power generated by the concentrated photovoltaic system into AC power that can be used for various applications.

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