PV On-Grid String Inverter BluE-15KT / BluE-17KT / BluE-20KT / BluE-25KT

PV On-Grid String Inverter BluE-15KT / BluE-17KT / BluE-20KT / BluE-25KT System 1

PV On-Grid String Inverter BluE-15KT / BluE-17KT / BluE-20KT / BluE-25KT System 2

PV On-Grid String Inverter BluE-15KT / BluE-17KT / BluE-20KT / BluE-25KT

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 pc

Supply Capability:: 15000 pc/month

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Product Description:

★Max. PV voltage up to 1100V Type II DC /AC SPD

★Compatable for big capacity PV panel WiFi / 4G Plug optional

★DC/AC ratio up to 2 IP66 protection

★High efficiency up to 98.6% Smaller and lighter

Technical Specifications:

MODEL	BluE-15KT	BluE-17KT	BluE-20KTL	BluE-25KTL
Input(DC)
Max. DC Voltage	1100V	1100V	1100V	1100V
Nominal Voltage	620V	620V	620V	620V
Start Voltage	180V	180V	180V	180V
MPPT Voltage Range	140V-1000V	140V-1000V	140V-1000V	140V-1000V
Number of MPP Tracker	2	2	2	2
Strings Per MPP Tracker	2/1	2	2	2
Max. Input Current Per MPPT	30A/15A	30A	30A	30A
Max. Short-circuit Current per MPPT	40A/20A	40A	40A	40A
Output(AC)
Nominal AC Output Power	15000W	17000W	20000W	25000W
Max. AC Output Power	16500VA	18700VA	22000VA	27500VA
Nominal AC Voltage	400V 3L+N
AC Grid Frequency Range	50Hz / 60Hz±5Hz
Max. Output Current (A)	23.9A	27.1A	31.9A	39.9A
Power Factor (cosφ )	0.8 leading to 0.8 lagging
THDi	<3%
Efficiency
Max. Efficiency	98.60%	98.60%	98.60%	98.60%
Euro Efficiency	98.20%	98.30%	98.30%	98.30%
Protection devices
DC Switch	Yes
Anti-islanding Protection	Yes
Output Over Current	Yes
DC Reverse Polarity Protection	Yes
String Fault Detection	Yes
AC/DC Surge Protection	DC: Type II / AC: Type III / Type II Optional
Insulation Detection	Yes
AC Short Circuit Protection	Yes
General Specifications
Dimensions W x H x D (mm)	380483193
Weight(kg)	25
Environment
Operating Temperature Range	–25℃~+60℃
Cooling Type	Fan Cooling
Max. Operation Altitude	4000m
Max. Operation Humidity	0-100%(No Condensation)
AC Output Terminal Type	Quick Connector
IP Class	IP66
Topology	Transformer-less
Communication Interface	RS485/WIFI/4G
Display	LCD
Certification & Standard	EN/IEC62109-1/2；IEC/EN61000-6-2;IEC/EN61000-6-4;IEC61683;IEC60068;IEC60529;IEC62116;IEC61727;EN50549-1;AS 4777.2;VDE-AR-N-4105;VDE 0126-1-1;CEI0-21;G98;G99;C10/C11;NB/T32004-2018；GB/T19964-2012

FAQ:

Q:How the output voltage of the PV inverter and the grid-connected voltage are determined

Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries

Q:Installation and maintenance of photovoltaic grid - connected inverter

only when the local power sector permission by the professional and technical personnel to complete all the electrical connection before the inverter can be connected.

Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?

Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.

Q:After the PV inverter, how to achieve the same period before the network?

Solar panel simulator: with MPPT function, simulated morning, noon, afternoon, evening, rainy weather, solar panels produced under different conditions in different voltages.

Q:Is the PV inverter a current source or a voltage source?

According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter.

Q:Photovoltaic grid-connected inverter without DC emc how will happen

Solar photovoltaic power generation technology is the use of solar cells, the photovoltaic effect of semiconductor materials, solar radiation can be directly converted into a new type of power generation system, solar energy is a radiant energy, solar power means --- to direct conversion of sunlight Into electricity,

Q:What is the difference between low voltage grid connection and medium voltage grid connection?

For photovoltaic power plants when the power system accidents or disturbances caused by photovoltaic power plant grid voltage drop, in a certain voltage drop range and time interval, the photovoltaic power plant can ensure that non-off-line continuous operation.

Q:Is the grid side of the grid and the inverter?

The grid load side of the grid is the grid. The inverter is an important part of the PV grid-connected system and can not be regarded as an external load. Photovoltaic power generation system is included in both grid and off-grid.

Q:PV grid-connected inverter and independent inverter in the control of what is the difference

The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.

Product Images:

Production Process Photos:

Q:Can a solar inverter be used in conjunction with a smart home system?: Yes, a solar inverter can be used in conjunction with a smart home system. The smart home system can integrate with the solar inverter to monitor and control the energy production, consumption, and storage. This allows for better optimization of energy usage, remote monitoring, and automated control of various devices and appliances within the smart home.

Q:Can a solar inverter be used with a three-phase electrical system?: Yes, a solar inverter can be used with a three-phase electrical system. In fact, many solar inverters are designed to work with three-phase systems. These inverters are capable of converting the direct current (DC) generated by the solar panels into alternating current (AC) that can be used by the three-phase electrical system.

Q:How does a solar inverter handle sudden changes in solar irradiance?: A solar inverter handles sudden changes in solar irradiance by constantly monitoring the input voltage and adjusting its output power accordingly. It employs maximum power point tracking (MPPT) algorithms to optimize the energy conversion from the solar panels. When there is a sudden increase or decrease in solar irradiance, the inverter quickly adapts by regulating the voltage and current to maintain a stable and efficient output. This ensures that the generated solar power is effectively utilized and protects the system from potential damage caused by voltage fluctuations.

Q:How do you connect solar panels to a solar inverter?: To connect solar panels to a solar inverter, you need to follow these steps: 1. Locate the positive (+) and negative (-) terminals on the solar panels. 2. Connect the positive terminal of the first solar panel to the positive terminal of the second panel using a solar PV cable or connector. Repeat this process for other panels if necessary. 3. Connect the negative terminal of the first panel to the negative terminal of the second panel using the same method as above. 4. Once all panels are connected in series or parallel, connect the positive terminal of the last panel to the positive terminal of the solar inverter. 5. Finally, connect the negative terminal of the last panel to the negative terminal of the solar inverter. It's important to ensure that the connections are secure and tightened properly to prevent any loose connections. Following the manufacturer's instructions and consulting a professional electrician or solar installer is recommended for a safe and efficient installation.

Q:What is the maximum AC output power of a solar inverter?: The maximum AC output power of a solar inverter can vary depending on the specific model and size. Generally, residential solar inverters have a maximum AC output power ranging from 1 kilowatt (kW) to 10 kW, while commercial and utility-scale inverters can have much higher maximum AC output power, reaching up to several megawatts (MW).

Q:Can a solar inverter be used with solar-powered irrigation systems?: Yes, a solar inverter can be used with solar-powered irrigation systems. A solar inverter is used to convert the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity that can be used to power various devices, including irrigation systems. By using a solar inverter, the solar energy generated by the panels can be efficiently utilized to power the irrigation system, making it a sustainable and environmentally friendly solution.

Q:What is the role of a solar inverter in voltage and frequency regulation during islanding conditions?: During islanding conditions, which occur when a distributed generation system (such as a solar PV system) continues to supply power to a local area even when the main electrical grid has been disconnected, the role of a solar inverter is crucial in maintaining voltage and frequency regulation. When a solar inverter operates in grid-connected mode, it synchronizes its output voltage and frequency with the utility grid. However, during islanding conditions, the solar inverter must transition into a standalone mode, where it becomes responsible for regulating voltage and frequency within the isolated microgrid. The primary function of a solar inverter in islanding conditions is to ensure that the voltage and frequency of the generated electricity remain within acceptable limits. It does this by constantly monitoring the electrical parameters and adjusting its own output accordingly. To regulate voltage, the solar inverter adjusts its output voltage based on the demand and the available power from the solar panels. It maintains a steady voltage level within a specified range, typically around 230-240 volts for residential applications. Frequency regulation is equally important, as it ensures that the electrical devices connected to the microgrid operate at their designed frequency, typically 50 or 60 Hz. The solar inverter continuously monitors the frequency and adjusts its output to match the required frequency, minimizing fluctuations and maintaining stability. In addition to voltage and frequency regulation, a solar inverter also provides other important functions during islanding conditions. These include power quality control, protection against overvoltage and overcurrent, and safe disconnection in case of emergencies or grid restoration. Overall, the role of a solar inverter in voltage and frequency regulation during islanding conditions is critical to maintain a stable and reliable power supply within the isolated microgrid. It ensures that the electricity generated by the solar PV system remains within acceptable parameters, allowing the connected electrical devices to operate efficiently and safely.

Q:Can a solar inverter be used with a solar-powered food dehydrator?: Yes, a solar inverter can be used with a solar-powered food dehydrator. A solar inverter is responsible for converting the direct current (DC) generated by solar panels into alternating current (AC) that is suitable for powering household appliances. Since a food dehydrator operates on AC power, using a solar inverter allows the solar energy captured by the panels to be utilized effectively in powering the dehydrator.

Q:Are there any voltage or frequency regulations for solar inverters?: Yes, there are voltage and frequency regulations for solar inverters. These regulations vary from country to country and are typically set by regulatory bodies or standardization organizations. In most countries, solar inverters must comply with specific voltage and frequency limits to ensure the safe and reliable operation of the electrical grid. Voltage regulations specify the allowable range of output voltage that a solar inverter can provide to the grid. This ensures that the voltage remains within acceptable limits to prevent overvoltage or undervoltage conditions that could damage electrical equipment or disrupt the grid's stability. The specific voltage limits depend on factors such as the type of grid system (e.g., single-phase or three-phase) and the voltage levels used in the country. Frequency regulations, on the other hand, define the acceptable range of output frequency that a solar inverter can provide to the grid. Grid frequency is typically set at a specific value (e.g., 50 Hz or 60 Hz) and solar inverters must synchronize their output frequency with the grid to ensure compatibility. Deviations from the specified frequency can lead to issues such as equipment malfunction or instability in the grid. Compliance with voltage and frequency regulations is crucial for solar inverters to ensure the proper integration of renewable energy sources into the electrical grid. In many countries, solar inverters must adhere to specific technical standards or certifications to demonstrate their compliance with these regulations. These standards often cover various aspects of inverter performance, including voltage and frequency control, power quality, and grid interaction.

Q:Can a solar inverter convert DC power to AC power?: Yes, a solar inverter can convert DC power generated by solar panels into AC power suitable for household or grid use.

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