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: How does a solar inverter affect the overall system cost?: A solar inverter affects the overall system cost by adding to the initial investment required for installing a solar power system. Inverters are an essential component in converting the DC electricity produced by solar panels into usable AC electricity for our homes or businesses. The cost of a solar inverter depends on its capacity, brand, and features. While inverters do add to the overall system cost, they are crucial for efficient energy production and can enhance the system's performance and longevity.

Q: Can a solar inverter be used in regions with high levels of lightning activity?: Yes, a solar inverter can be used in regions with high levels of lightning activity. However, it is important to install appropriate lightning protection measures to ensure the safety and functionality of the solar inverter system. This can include surge protection devices and grounding systems to mitigate potential damage caused by lightning strikes.

Q: What is the role of a solar inverter in voltage and frequency regulation during islanding conditions?: The role of a solar inverter in voltage and frequency regulation during islanding conditions is to ensure stability and balance in the electrical system. It actively monitors and adjusts the voltage and frequency levels to match the required standards, even when disconnected from the main power grid. This prevents overvoltage or undervoltage situations and keeps the frequency within acceptable limits, thereby maintaining a reliable and safe power supply in islanded conditions.

Q: How does a solar inverter protect against overvoltage and overcurrent?: A solar inverter protects against overvoltage by constantly monitoring the voltage level of the solar panels. If the voltage exceeds a predetermined threshold, the inverter will automatically reduce the power output or shut down to prevent damage. Similarly, to protect against overcurrent, the inverter continuously monitors the current flowing through the system. If the current surpasses a safe limit, the inverter will limit the output or shut down to prevent overheating and potential hazards.

Q: What is the role of a power limiter in a solar inverter?: The role of a power limiter in a solar inverter is to regulate and control the amount of power being fed into the grid from the solar panels. It ensures that the power output from the solar panels does not exceed the predetermined limit set by the utility company or regulatory standards. This helps prevent overloading of the grid and ensures the safe and efficient operation of the solar power system.

Q: How does a solar inverter synchronize with the grid?: A solar inverter synchronizes with the grid by constantly monitoring the grid's frequency and voltage. It adjusts its own output frequency and voltage to match the grid's, ensuring that the solar energy it produces is in sync with the electricity supplied by the grid. This synchronization process allows the solar inverter to safely and efficiently inject solar power into the grid, while also allowing for seamless transition between solar and grid power.

Q: Can a solar inverter be used in locations with high humidity or extreme temperatures?: Yes, solar inverters can be used in locations with high humidity or extreme temperatures. However, it is important to ensure that the inverter is designed to withstand such conditions and has proper protection against moisture, corrosion, and temperature fluctuations.

Q: Can a solar inverter be repaired or replaced if it malfunctions?: Yes, a solar inverter can be repaired or replaced if it malfunctions. In many cases, minor issues can be repaired by a qualified technician, while more severe malfunctions may require the replacement of the inverter. The specific course of action will depend on the nature and extent of the malfunction, as well as the warranty and service options provided by the manufacturer.

Q: How do you calculate the total power capacity for a solar inverter?: To calculate the total power capacity for a solar inverter, you need to consider the maximum power output of the solar panels connected to it. The total power capacity of the inverter should be equal to or greater than the total maximum power output of all the solar panels combined. This ensures that the inverter can handle the maximum power generated by the solar panels and efficiently convert it into usable electricity.

Q: Can a solar inverter be used in regions with high humidity or moisture levels?: Yes, solar inverters can be used in regions with high humidity or moisture levels. However, it is important to ensure that the inverter is designed and rated for such conditions. The inverter should have adequate protection against moisture, such as being IP65 rated or higher, to prevent any damage or malfunctions due to humidity or moisture.

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