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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
※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)
PV priority / AC priority optional
MPPT Voltage Range
96Vdc - 200Vdc
192Vdc - 400Vdc
Max. Charge Current
PV Panels Configuration(Suggestion)(Vmp)
PV Panels Configuration(Suggestion)(Imp)
≥ 98 %
LCD+LED Panel display
Input Voltage Range
Input Frequency Range
40-70 Hz (auto transfer to battery mode, if beyond this range)
Output Voltage Precision
Input Power Factor
88% (inverter on)
110% transfer to bypass in 255s,120% go to bypass in 60s, 150% go to bypass in 10s.
Max. Charging Current
Short Circuit Protection
Electronic limited current output or turn bypass, air breaker protection
50 Hz / 60Hz ± 1％ Frequency self-adjusted
Output Power Factor
≤ 5% Linear load
PV-AC Transfer Time
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.
When Load < 5%, system will turn to bypass power supply (utility) in 1min
Electronic limited current output, turn the bypass or system to be automatic shutdown
1/4s; automatic sound elimination after 40s
Battery Low Voltage
RS232 / USB / RS485 / SNMP
PV failure、battery low-voltage、overload、bypass、inverter failure、
remote start generator dry contact signal
Accord with EN62040-2:2006;EN61000-3-2:2006; EN61000-3-3:2008
0℃ ～ 40℃
10％ ～ 90％(Non Condensed)
2000m (Every 100m increase derating 1%)
Packing Dimension (WxDxH)mm
· 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.
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