• Solar Inverter for Sale - Off-Grid Solar Inverter 10kVA-120kVA Made in China High Intelligence System 1
  • Solar Inverter for Sale - Off-Grid Solar Inverter 10kVA-120kVA Made in China High Intelligence System 2
  • Solar Inverter for Sale - Off-Grid Solar Inverter 10kVA-120kVA Made in China High Intelligence System 3
Solar Inverter for Sale - Off-Grid Solar Inverter 10kVA-120kVA Made in China High Intelligence

Solar Inverter for Sale - Off-Grid Solar Inverter 10kVA-120kVA Made in China High Intelligence

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Supply Capability:
1000 pc/month

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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.

Q: How does a solar inverter handle voltage and frequency variations caused by sudden load changes?
A solar inverter handles voltage and frequency variations caused by sudden load changes by continuously monitoring and adjusting its output. It uses advanced control algorithms to maintain a stable voltage and frequency, even during sudden load fluctuations. The inverter quickly responds to changes in load demand by adjusting the power output and employing a feedback control system that regulates voltage and frequency within acceptable limits. This ensures that the connected devices receive a stable and reliable power supply regardless of sudden load changes.
Q: Can a solar inverter be integrated with a smart home system?
Yes, a solar inverter can be integrated with a smart home system. This integration allows for monitoring and controlling the solar energy production, as well as optimizing energy usage and managing the overall efficiency of the system.
Q: What is the role of a transformer in a solar inverter?
The role of a transformer in a solar inverter is to convert the direct current (DC) power generated by the solar panels into alternating current (AC) power that can be used by household appliances and fed into the electrical grid. The transformer steps up or steps down the voltage as necessary to ensure efficient power transmission and distribution. Additionally, it provides electrical isolation and protection from voltage fluctuations, ensuring the safe and reliable operation of the solar inverter.
Q: How long does a solar inverter last?
A solar inverter typically has a lifespan of around 10 to 15 years, although this can vary depending on various factors such as the quality of the inverter, its usage, and maintenance.
Q: Can a solar inverter be used with a solar-powered CCTV system?
Yes, a solar inverter can be used with a solar-powered CCTV system. A solar inverter is responsible for converting the direct current (DC) produced by solar panels into alternating current (AC) that can be used to power electrical devices. In the case of a solar-powered CCTV system, the solar inverter can convert the DC power generated by the solar panels into the AC power required to run the CCTV system, ensuring it functions properly.
Q: What is the difference between low voltage grid connection and medium voltage grid connection?
When the power grid failure or disturbance caused by the power supply and network voltage drop, in the voltage drop range, the power group can be uninterrupted through the inverter and network operation.
Q: What is the role of a solar inverter in preventing underperformance?
The role of a solar inverter in preventing underperformance is to convert the direct current (DC) produced by solar panels into alternating current (AC) that can be used by electrical appliances. By efficiently converting and optimizing the power output from the solar panels, the inverter ensures that the system operates at its maximum capacity, minimizing any potential underperformance issues due to factors such as shading, temperature fluctuations, or system faults. Additionally, advanced inverters can monitor and analyze the performance of the solar system, detecting any abnormalities or inefficiencies that may lead to underperformance and allowing for timely troubleshooting and maintenance.
Q: Can a solar inverter be used with a portable solar panel system?
Yes, a solar inverter can be used with a portable solar panel system. The solar inverter converts the direct current (DC) generated by the portable solar panels into alternating current (AC) that can be used to power various devices or be fed into the electrical grid. This allows for the efficient utilization of the energy generated by the portable solar panel system.
Q: How do you calculate the maximum power point voltage for a solar inverter?
To calculate the maximum power point voltage for a solar inverter, you need to consider the voltage at which the solar panel generates the highest power output. This can be determined by using the voltage-current (V-I) curve of the solar panel and finding the point where the product of voltage and current is maximum. By analyzing this curve, the maximum power point voltage can be identified, which is crucial for optimizing the performance of a solar inverter.
Q: How does a solar inverter handle partial shading on solar panels?
A solar inverter handles partial shading on solar panels by employing a technology called Maximum Power Point Tracking (MPPT). MPPT allows the inverter to continuously monitor the voltage and current of each individual solar panel, and adjust the operating point of the panels to maximize power output. When shading occurs on one or more panels, the inverter adjusts the voltage and current of the unshaded panels to compensate for the reduced power output, ensuring the overall system performance is optimized.

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