72V Solar Inverter PV On-Grid String Inverter Blue-15kt / Blue-17kt / Blue-20kt / Blue-25kt

72V Solar Inverter PV On-Grid String Inverter Blue-15kt / Blue-17kt / Blue-20kt / Blue-25kt System 1

72V Solar Inverter PV On-Grid String Inverter Blue-15kt / Blue-17kt / Blue-20kt / Blue-25kt System 2

72V Solar Inverter 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.

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Production Process Photos:

Q: Can a solar inverter be used in areas with unstable power grids?: Yes, a solar inverter can be used in areas with unstable power grids. Solar inverters are designed to convert the direct current (DC) generated by solar panels into alternating current (AC) suitable for use in homes or businesses. In areas with unstable power grids, where there are frequent power outages or voltage fluctuations, solar inverters can provide a reliable source of electricity by switching to battery power during grid failures or regulating the voltage to protect sensitive equipment. Additionally, some advanced solar inverters have features like grid support functions or anti-islanding protection, which allow them to operate safely and effectively even in areas with unstable power grids.

Q: How does a solar inverter handle voltage and frequency variations caused by switching operations?: A solar inverter is designed to handle voltage and frequency variations caused by switching operations through its built-in control mechanisms and advanced technology. When a solar inverter is connected to the grid, it monitors the voltage and frequency of the grid and adjusts its operation accordingly to maintain stability and safety. In the case of voltage variations caused by switching operations, a solar inverter typically employs a voltage control mechanism. This mechanism continuously monitors the voltage level of the grid and adjusts the output voltage of the inverter to match the grid voltage. If the grid voltage rises or falls beyond a certain threshold, the inverter automatically adjusts its output voltage to compensate and maintain a stable voltage level. Similarly, for frequency variations caused by switching operations, a solar inverter utilizes a frequency control mechanism. This mechanism constantly monitors the grid frequency and adjusts the inverter's output frequency to match the grid frequency. If the grid frequency deviates from the standard frequency, the inverter can quickly respond by adjusting its output frequency to maintain synchronization with the grid. To achieve this level of control, solar inverters often incorporate advanced digital signal processing algorithms and sophisticated control systems. These algorithms and control systems analyze the voltage and frequency signals from the grid, and based on predefined parameters, make rapid adjustments to the inverter's output to ensure compatibility with the grid. Ultimately, the goal of a solar inverter is to seamlessly integrate with the grid and provide a stable, reliable, and efficient power supply. By effectively handling voltage and frequency variations caused by switching operations, the inverter contributes to the overall stability and resilience of the grid, allowing for optimal utilization of solar energy and promoting a sustainable energy future.

Q: Can a solar inverter be used in a building-integrated photovoltaic system?: Yes, a solar inverter can be used in a building-integrated photovoltaic system. A solar inverter is an essential component in any photovoltaic system as it converts the direct current (DC) produced by the solar panels into alternating current (AC) that can be used to power electrical devices in a building. In a building-integrated photovoltaic system, the solar panels are integrated into the building's structure, such as being incorporated into the roof or facade. The solar inverter is still required to convert the DC electricity generated by the integrated solar panels into AC electricity that can be used in the building.

Q: What is the role of a grid monitoring feature in a solar inverter?: The role of a grid monitoring feature in a solar inverter is to constantly monitor the electrical grid to ensure that the solar energy being produced by the inverter is compatible with the grid's requirements. It helps in maintaining the stability and reliability of the grid by detecting any abnormalities or fluctuations in voltage or frequency. Additionally, it allows the inverter to automatically disconnect from the grid in case of a grid failure or disturbance, providing safety and protection to both the solar system and the grid.

Q: Can a solar inverter be used in regions with high levels of air pollution?: Yes, a solar inverter can be used in regions with high levels of air pollution. Air pollution does not directly impact the functioning of a solar inverter. However, it is important to regularly clean and maintain the solar panels to ensure optimal performance, as air pollution can accumulate on the surface of the panels and reduce their efficiency.

Q: Can a solar inverter be used with a battery backup system?: Yes, a solar inverter can be used with a battery backup system. A solar inverter is responsible for converting the DC power generated by solar panels into AC power used in our homes. By connecting a battery backup system to the solar inverter, excess solar energy can be stored in batteries for later use, providing power during periods of low or no sunlight, such as at night or during power outages.

Q: What is the lifespan of the warranty on a solar inverter?: The lifespan of a warranty on a solar inverter can vary depending on the manufacturer and the specific model. However, most warranties typically range from 5 to 10 years, with some higher-end inverters offering warranties up to 25 years. It is important to carefully review the warranty terms and conditions provided by the manufacturer to understand the coverage and duration of the warranty.

Q: What is the maximum number of solar panels that a solar inverter can support?: The maximum number of solar panels that a solar inverter can support depends on the specific model and its capacity. However, most solar inverters are designed to support a certain capacity or power rating, rather than a specific number of panels. The capacity of the solar inverter, measured in kilowatts (kW) or megawatts (MW), determines the maximum power output it can handle. The number of panels that can be connected to the inverter depends on the power rating of each panel. So, it is best to consult the manufacturer's specifications or seek professional advice to determine the maximum number of panels that can be supported by a specific solar inverter.

Q: What is the role of a voltage regulation feature in a solar inverter?: The role of a voltage regulation feature in a solar inverter is to ensure that the output voltage remains stable and within a specified range, regardless of fluctuations in the input voltage from the solar panels. This feature helps to protect the connected appliances and devices from damage due to overvoltage or undervoltage, and also optimizes the efficiency and performance of the solar inverter system.

Q: What are the potential risks of overcharging a battery connected to a solar inverter?: Overcharging a battery connected to a solar inverter can lead to several potential risks. Firstly, it can cause excessive heat buildup in the battery, which can lead to reduced battery life and even damage the internal components. Secondly, overcharging can cause electrolyte leakage or gas buildup within the battery, increasing the risk of explosion or fire hazard. Additionally, overcharging can result in the release of toxic gases, such as hydrogen, which can be harmful if not properly ventilated. Finally, overcharging can also have an adverse effect on the overall efficiency of the solar system, as excess energy is wasted during the charging process.

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