Off-Grid Solar Inverter 10KVA-120KVA Made In China High Intelligence

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Product Description:

Off-Grid Solar Inverter 10KVA-120KVA    

EA-GF series products use high speed DSP control unit, advanced high speed IGBT, MOSFET components, with pulse width modulation (SVPWM) technique disturbance type MPPT control, and double conversion system configuration. Under high-speed DSP system control, the system can quickly track panels to do high-power, load change and efficient multi-level control system, even if the mains input voltage and frequency suddenly change, over/under voltage, or power disturbances, it also can ensure provide the load with regulated voltage and frequency power. System has a reliable, environmentally friendly, high intelligence and other characteristics.

   

Villa, hotel, residential security, large base station, office, small manufacturing enterprises, computing centers, industrial automation equipment, network room, IDC data center, banking equipment, securities, health care, transportation, petrochemical and other solar systems. 
● High reliability:
※ High-speed micro-controller DSP digital control technology to achieve real-time control, parameter setting, data detection, self-test function to ensure high reliable operation of the system.
※ With high speed switching characteristic, high voltage, high current, low internal resistance, low dissipation IGBT, MOSFET power components based, to ensure system security and reliability.
● N+1 modularized MPPT tracking system:
※ Multipath MPPT control system access, independent input, operation. More suitable for roof project, to improve power generation efficiency of the panels.
● PV proactive power supply function:
After detects PV energy, system will enter MPPT status automatically, and it will also adjust the power distribution, priority in the use of PV energy.
● Intelligent battery management system:
※ In this system, AC rectifier 、MPPT controller controlled by intelligent data exchange and communication system,user can set the battery capacity by themselves;battery configuration can be set by the operator interface,system will automatically 
adjust the charging current ,charging voltage and charging mode.
※ In special cases,international technical engineer can adjust the charging rate and battery number according to the system configuration.
● Plenteous communication interface:
※ RS485、RS232 (standard),SNMP(Option).
※ Input dry contacts to switch on/off inverter, clear abnormal, EPO remotely. Output dry contacts singles for remote alarm. 
● Intelligent storage staggering features:
System with intelligent peak load shifting function, the user can set the appropriate time period electricity according to the local electricity policy, to achieve load shifting features directly in order to bring economic value;

 

   Model

10KVA

20KVA

30KVA

40KVA

50KVA

60KVA

80KVA

100KVA

120KVA

Rated Power(KW)

9KW

18KW

27KW

36KW

45KW

54KW

72KW

90KW

108KW

Rated Current (A)

15A

30A

45A

60A

76A

91A

133A

151A

182A

Output Power Factor

0.9

Rated Input Voltage

380V±20%

Rated Output Voltage

380V±1%

Battery Voltage

360Vdc

Battery Quantity

30 units, 12V

Working Mode

PV、AC replenish








PV Input

Max Voltage

750Vdc


Best Working Voltage(Vmp)

444-550Vdc


Float Charging Voltage

414V±1%


Max Efficiency

≥98%

Equalize Charging Voltage

428V±1%

Max Current

40A

60A

120A

180A

240A

300A

360A

PV Input Ways

1+1(reserved)

2+1(reserved)

3+1(reserved)

4+4(reserved)

5+3(reserved)

6+2(reserved)

MPPT Modular

1+1(reserved)

2+1(reserved)

3+1(reserved)

4+4(reserved)

5+3(reserved)

6+2(reserved)







AC Rectifier

Input Voltage Range

Three phases 380V ±20%(-10%~+20% can charge the battery)

Rated Frequency

50 Hz / 60Hz(can be set backstage)

Frequency Range

50Hz/60Hz±5Hz

Soft Start

0-100% 10s

Power Factor

0.8

Float Charging Voltage(20℃)

410V±1%

Max Voltage

415V±1%

Max Charging Current(A)

Battery Capacity Allowed

12

25

38

50

62

75

80

100

120











Inverter

Inverter Voltage

Three phases four lines +G 380Vac

Phase Voltage Setting

220-230-240Vac(can be set backstage)

Output Voltage Accuracy

±1%

Voltage Transients Range

±5%

Transient Recovery Time

20ms

Rated Frequency

50Hz/60Hz±1%

Frequency Tracking Range

50Hz/60Hz±3Hz

Crest Factor

3:1

Wave

Pure sine wave

THD

≤3%(linear load)

Voltage Unbalance Degree

±3%(100%unbalance load)

Overload

≥105%-110%: transfer to bypass 1 hours later, recover when reduce load

≥110%-125%: transfer to bypass10 min later, recover when reduce load

≥125%-150%: transfer to bypass 1 min later, recover when reduce load

≥150%: transfer to bypass 10 s later, recover when user confirmed

≥200%: shutdown immediately, recover when user confirmed

Short Circuit

System current limited, shut down immediately, boot by user

Max Efficiency %

≥90%

≥91%

≥92%

≥92%

≥93%

≥93%

≥93%

≥93%

≥93%

Bypass

Rated Voltage(V)

Three phases four lines+G 380Vac

Voltage Range

±20%

Rated Frequency(Hz)

50/60Hz±5Hz

Max Current

19

38

57

76

95

114

122

152

182



Battery

Management

End of Discharge

315VDC

Charging Current Setting

Factory setting is 0.15C10 ; user can set 0.05-0.3 C10

Charging Current Setting

Equalizing charging and float charging automatically transfer, automatic temperature compensation for battery (when battery detection not connected, default environment temperature)

Staggering Depth of Discharge Settings

1.85V-2.1V; can be set by user


Transfer

Time

Inverter/Bypass Transfer Time

0ms

Inverter/Bypass Transfer Time

0ms


Communication

Interface

Remote Control Input

Inverter on、off、abnormal clear、emergency power off

PC Monitoring Interface

RS232、RS485、SNMP (optional)

Dry Contact

Bypass input abnormal、rectifier input abnormal、system fault、system warning、

low battery、overload 、fans fault、generator ON/OFF

Environment

Operation Temperature

0-42℃

Max. Relative Humidity

90% (non condensed)

Max. Working Altitude

1000m (100 m higher, 1% derated; max 4000m)







Other

Cooling Way

Forced ventilation (Fans speed varies with the load)

Noise(1m varies with load and temperature )dB

65

Mean Time Between Failures(MTBF)

200,000 hours

Defend Grade(EN60529)

IP20

Power Line Input

Bottom

Standard

IEC62040-1-1、EN62109-1:2010, EN62109-2:2011

Dimensions(WxDxH)mm


600×700×1750

1000×800×1700

Packing Dimensions(WxDxH)mm


690×790 ×1850

1090×890 ×1800

Weight

250

280

300

320

345

360

400

420

445

·         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.
3You 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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Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
Q:After the PV inverter, how to achieve the same period before the network?
When the voltage, frequency, phase does not meet the requirements, the automatic closing closing pulse.
Q:Photovoltaic grid-connected inverter without DC emc how will happen
When solar or other light illuminates the PN junction of the semiconductor, a voltage (called a photogenerated voltage) occurs on both sides of the PN junction. This phenomenon is the famous photovoltaic effect.
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
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
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.
Q:What is the difference between a PV inverter and a solar inverter?
The main function of photovoltaic grid-connected inverter is to convert the DC power of the solar PV module into the same frequency as the sinusoidal AC power of the grid (the grid is generally AC power grid, DC can not be directly connected)
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
The difference is that the current at low voltage and the grid is large, the current is small when the voltage is small, followed by the low voltage crossing parameter setting problem (such as PV inverter integrated with inverter and low voltage crossing function, not all photovoltaic inverter
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
, This method is simple to design, easy maintenance, but also for the power grid harmonics smaller, good power quality!
Q:Photovoltaic grid-connected inverter problem
Hello, the definition of the zero line is not caused by the transformer three-phase electric tail connection? I now do not understand why there is no isolation transformer AC output marked is N (zero line), and it is not the transformer three-phase power of the tail connection leads to, this is the zero line? The The

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