Off-Grid Solar Inverter 3KW-8KW CE Approved AAA Quality with Best Price
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- Supply Capability:
- 1000 pc/month
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Off-Grid Solar Inverter 3KW-8KW
EA-GF series products are on the basis of green energy use and equipment electricity need for remote area, combing the electricity characteristics of household appliances, communication station equipment and computer peripheral equipment. They have the function of energy conservation and environment protection. They adopt MCU control technique, having various kinds of function such as multi-setting mode, MPPT control, voltage stabilization on line, short-circuit protection, inverter frequency adaptive, output overload, battery charging management, monitoring etc. With display of LCD and LED, all the parameters and running status could be visible. Intelligent monitor is available via RS232 &USB connecting with PC, while remote control via RS485 &SNMP. EA-GF series products are the ideal power supply delivered with excellent performance, high stability, high reliability and high practical applicability
● Multi-setting
※PV priority mode or AC priority mode
※Choose the charging current based on the configured capacity of the battery
● High reliability: Double MCU digital control
※Independent MPPT (Maximum Power Point Tracking) control microprocessor system
※Independent inverter microprocessor control system
● Isolated and pure sine wave technology
● LCD+LED display
● Wide input range
● High-speed synchronous conversion
● Friendly alarm system
● Online protection function
● Frequency auto adaptive
● Intelligent No-load auto shutdown technology (optional)
● Intelligent monitoring (RS232, USB, or SNMP card, optional)
Model | GF3000 | GF4000 | GF3000 | GF5000 | GF6000 | GF8000 |
Power | 3KW | 4KW | 3KW | 5KW | 6KW | 8KW |
Battery Voltage | 96Vdc | 192Vdc | ||||
Working Mode | PV priority / AC priority optional | |||||
PV | ||||||
MPPT Voltage Range | 96Vdc - 200Vdc | 192Vdc - 400Vdc | ||||
Max. Charge Current | 10-60A | 10-40A | 10-60A | |||
PV Panels Configuration(Suggestion)(Vmp) | 120-142Vdc | 240-284Vdc | ||||
PV Panels Configuration(Suggestion)(Imp) | ≤60A | ≤40A | ≤60A | |||
Conversion Efficiency | ≥ 98 % | |||||
Display | ||||||
Panel Indicator | LCD+LED Panel display | |||||
AC Mode | ||||||
Input Voltage Range | 165Vac- 275Vac | |||||
Input Frequency Range | 40-70 Hz (auto transfer to battery mode, if beyond this range) | |||||
Output Voltage Precision | 220Vac± 5％ | |||||
Input Power Factor | ≥0.8 | |||||
Max. Efficiency | 88% (inverter on) | |||||
Overload | 110% transfer to bypass in 255s,120% go to bypass in 60s, 150% go to bypass in 10s. | |||||
Max. Charging Current | 8A | 12A | ||||
Short Circuit Protection | Electronic limited current output or turn bypass, air breaker protection | |||||
Inverter Mode | ||||||
Output Voltage | 220Vac± 5％ | |||||
Output Frequency | 50 Hz / 60Hz ± 1％ Frequency self-adjusted | |||||
Output Power Factor | 1 | |||||
Distortion | ≤ 5% Linear load | |||||
PV-AC Transfer Time | 0ms | |||||
Max.Efficiency | ≥92％ | |||||
Overload | 110% transfer to bypass, in 255s or shut down,120% go to bypass or shut down in 60s, 150% go to bypass or shut down in 10s. | |||||
Eco Mode（Optional） | When Load < 5%, system will turn to bypass power supply (utility) in 1min | |||||
Short Circuit | Electronic limited current output, turn the bypass or system to be automatic shutdown | |||||
Alarm | ||||||
AC Fails | 1/4s; automatic sound elimination after 40s | |||||
Battery Low Voltage | 5/1s | |||||
Overload | 1/1s | |||||
Communication (Optional) | ||||||
Communication Interface | RS232 / USB / RS485 / SNMP | |||||
Dry Contact | PV failure、battery low-voltage、overload、bypass、inverter failure、 remote start generator dry contact signal | |||||
Others | ||||||
Output Connection | Terminal blocks | |||||
Surge Protection | Optional | |||||
EMC | Accord with EN62040-2:2006;EN61000-3-2:2006; EN61000-3-3:2008 | |||||
IP Class | IP20 | |||||
Ambient Temperature | 0℃ ～ 40℃ | |||||
Ambient Humidity | 10％ ～ 90％(Non Condensed) | |||||
Noise | ≤ 50dB | |||||
Working Altitude | 2000m (Every 100m increase derating 1%) | |||||
Dimension (WxDxH)mm | 560×265×725 | |||||
Packing Dimension (WxDxH)mm | 662×360×905 | |||||
Weight(kg) | 76 | 80 | 60 | 67 | 69 | 85 |
Packing Weight(kg) | 85 | 89 | 69 | 76 | 78 | 94 |
· Q. What is an UPS and What it is for ?
An uninterruptible power supply (UPS) is a device that allows your computer or telephone switch or critical equipement to keep running for at least a short time or longer time when the primary power source is lost. It also provides protection from power surges, spikes, brownouts, interference and other unwanted problems on the supported equipment.
· Q. How long the UPS to run when power goes?
This can take 3 paths.
1.You can pick a UPS that is rated for pretty much the full VA you need so it will be running at 100% of capability and will thus last 'n' minutes.
2.You can pick a UPS that is rated at a much higher VA value than you really need so, for example, is running at 50% of capability and will thus last for longer than the UPS from option 1.
3．You can use extra external battery packs to run for longer. If charging capability allows, the more and the bigger batteries you take with, the longer time UPS runs.
or using a generator after about 6 hours, it will be more cost-effective, with a short runtime UPS to bridge the generator start-up gap.
- Q:Can I connect solar panels directly to the grid without an inverter?
- No, solar panels cannot be directly connected to the grid without an inverter. The inverter is necessary to convert the direct current (DC) generated by the solar panels into alternating current (AC) that is compatible with the electrical grid.
- Q:What is the role of a grid-tie inverter in a solar PV system?
- The main purpose of a grid-tie inverter in a solar PV system is to convert the DC electricity produced by the solar panels into AC electricity that can be utilized to supply power to electrical devices in homes or businesses. In a solar PV system, the solar panels generate DC electricity when exposed to sunlight. However, most residential and commercial establishments require AC electricity, which is the standard form of electricity provided by utility companies. This is where the grid-tie inverter comes into play. The grid-tie inverter takes the DC electricity generated by the solar panels and transforms it into AC electricity that is compatible with the electrical grid. It ensures that the electricity produced by the solar panels is synchronized with the utility power and can be seamlessly integrated into the existing electrical system. One of the primary functions of a grid-tie inverter is to match the frequency, voltage, and phase of the AC electricity generated by the solar panels with that of the utility power. This synchronization is crucial to guarantee a smooth flow of electricity between the solar system and the grid, and to prevent any interruptions or harm to the electrical system. Furthermore, a grid-tie inverter also serves as a safety monitor for the electrical grid. It continuously checks for any voltage or frequency fluctuations in the grid and can automatically disconnect from the grid in case of a power outage or grid failure. This feature is important to ensure the safety of electrical workers who might be repairing the grid during an outage. Additionally, a grid-tie inverter enables net metering, which is a billing arrangement where surplus electricity generated by the solar system can be fed back into the grid. This means that if the solar system produces more electricity than is being consumed, the excess energy can be sent back to the grid and the homeowner or business owner can receive credits for the surplus energy produced. This can help offset energy costs and potentially result in financial savings. In conclusion, the grid-tie inverter plays a crucial role in a solar PV system by converting the DC electricity generated by the solar panels into AC electricity that can be used to power electrical devices, ensuring synchronization with the electrical grid, monitoring the grid for safety, and enabling net metering for potential financial benefits.
- Q:How does a solar inverter handle grid voltage variations?
- A solar inverter handles grid voltage variations by continuously monitoring the voltage levels of the grid. When the grid voltage increases or decreases beyond a certain range, the inverter adjusts its output voltage accordingly to maintain a stable and consistent supply of electricity. This ensures that the solar power system remains synchronized with the grid and prevents any damage to the inverter or the connected equipment.
- Q:Can a solar inverter be used with a solar car charging system?
- Yes, a solar inverter can be used with a solar car charging system. The solar inverter is responsible for converting the direct current (DC) produced by the solar panels into alternating current (AC) that can be used to charge the car's batteries. By using a solar inverter, the solar car charging system can efficiently utilize the energy generated by the solar panels to power electric vehicles.
- Q:Can a solar inverter be used for both grid-tied and off-grid systems?
- Yes, a solar inverter can be used for both grid-tied and off-grid systems. However, it is important to note that different types of inverters are designed specifically for each system. Grid-tied inverters are used to convert the DC power generated by solar panels into AC power to feed into the grid, while off-grid inverters are designed to convert DC power from solar panels into AC power for use in standalone systems. So, while the same physical inverter may not be suitable for both applications, there are inverters available for each system type.
- Q:What is the efficiency rating of a solar inverter?
- The efficiency rating of a solar inverter refers to the percentage of solar energy converted into usable electricity. It measures how effectively the inverter converts the direct current (DC) power generated by solar panels into alternating current (AC) power for use in homes and businesses. Higher efficiency ratings indicate that the inverter can convert a greater amount of solar energy, resulting in increased electricity production and cost savings.
- Q:How do you choose the right output voltage for a solar inverter?
- When choosing the right output voltage for a solar inverter, it is crucial to consider the specific requirements of the electrical appliances or systems that will be powered by the inverter. The output voltage must match the voltage requirements of the devices to ensure compatibility and efficient operation. Additionally, the local electrical grid standards and regulations should be taken into account, as certain regions may have specific voltage requirements. It is advisable to consult with a professional or an electrician who can assess the specific needs and provide guidance in selecting the appropriate output voltage for the 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 voltage output from the solar panels is maintained at a stable and optimal level. This helps to protect the sensitive electrical components in the solar inverter and other connected devices, while also maximizing the efficiency and performance of the solar power system.
- Q:How does a solar inverter handle voltage dips or surges in the grid?
- A solar inverter handles voltage dips or surges in the grid by constantly monitoring the grid voltage. In case of a dip or surge, it quickly adjusts its own output voltage to match the grid voltage, thereby stabilizing the grid. This is achieved through various control mechanisms, such as voltage feedback loops and power electronics, which ensure that the solar inverter remains synchronized with the grid and provides a consistent and reliable power supply.
- Q:How does a solar inverter handle electromagnetic interference?
- A solar inverter handles electromagnetic interference by utilizing filters and shielding techniques to minimize the impact of external electromagnetic disturbances. These measures help ensure that the inverter operates efficiently and reliably, without any significant disruption caused by electromagnetic interference.
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Off-Grid Solar Inverter 3KW-8KW CE Approved AAA Quality with Best Price
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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