Off-Grid Solar Inverter 10KVA-120KVA Made In China High Intelligence
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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.
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 a solar inverter be used in systems with different module strings?
- Yes, a solar inverter can be used in systems with different module strings. Solar inverters are designed to be compatible with a wide range of module string configurations, allowing for flexibility in system design and installation. The inverter's maximum input voltage and power ratings should be considered to ensure compatibility with the different module strings, but as long as these specifications are within the inverter's limits, it can effectively convert the DC power generated by the module strings into AC power for use in the system.
- Q:What is the role of a display or user interface in a solar inverter?
- The role of a display or user interface in a solar inverter is to provide a means for users to monitor and interact with the inverter's functionalities and data. It allows users to view real-time information about the solar power generation, system status, and any potential issues or errors. Furthermore, the user interface enables users to adjust settings, configure preferences, and troubleshoot problems if needed. Overall, the display or user interface enhances the usability and control of the solar inverter for users.
- Q:Can a solar inverter work in low light conditions?
- Yes, a solar inverter can work in low light conditions. While the output power of a solar inverter may decrease in low light conditions, it is still capable of converting the available sunlight into usable electricity. The performance may vary depending on the specific model and technology used, but modern solar inverters are designed to work efficiently even in low light situations.
- Q:How does a solar inverter protect against power surges?
- A solar inverter protects against power surges by constantly monitoring the voltage and current levels of the solar panels and adjusting them accordingly. It has built-in surge protection devices that detect any sudden increase in voltage or current and divert the excess energy away from the solar panels, preventing damage to the system. Additionally, the inverter is equipped with advanced circuitry and protective components that can absorb and dissipate the excess energy, ensuring a stable and safe operation of the solar power system.
- Q:What is the role of a solar inverter in voltage and frequency regulation during islanding conditions?
- The solar inverter plays a crucial role in maintaining voltage and frequency regulation during islanding conditions. Islanding conditions occur when a distributed generation system, like a solar PV system, continues to supply power to a local area even when the main electrical grid is disconnected. In grid-connected mode, the solar inverter synchronizes its output voltage and frequency with the utility grid. However, during islanding conditions, it must transition into a standalone mode and take responsibility for regulating voltage and frequency within the isolated microgrid. The primary function of the solar inverter in islanding conditions is to ensure that the voltage and frequency of the generated electricity remain within acceptable limits. To achieve this, it constantly monitors the electrical parameters and adjusts its own output accordingly. To regulate voltage, the solar inverter adjusts its output voltage based on demand and the available power from the solar panels. It maintains a steady voltage level within a specified range, typically around 230-240 volts for residential applications. Equally important is frequency regulation, which ensures that the electrical devices connected to the microgrid operate at their designed frequency, usually 50 or 60 Hz. The solar inverter continuously monitors the frequency and adjusts its output to match the required frequency, minimizing fluctuations and maintaining stability. Apart from voltage and frequency regulation, the solar inverter also performs other crucial functions during islanding conditions. These include power quality control, protection against overvoltage and overcurrent, and safe disconnection in emergencies or during grid restoration. Overall, the solar inverter's role in voltage and frequency regulation during islanding conditions is critical for maintaining a stable and reliable power supply within the isolated microgrid. It ensures that the electricity generated by the solar PV system remains within acceptable parameters, enabling connected electrical devices to operate efficiently and safely.
- Q:What is the maximum number of AC outputs in a solar inverter?
- The maximum number of AC outputs in a solar inverter can vary depending on the specific model and design of the inverter. However, in general, most residential solar inverters typically have one or two AC outputs, while commercial or utility-scale inverters can have multiple AC outputs, ranging from three to even a dozen or more, depending on the requirements of the installation.
- Q:What is the role of a solar inverter in a grid-tied system?
- The role of a solar inverter in a grid-tied system is to convert the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that is compatible with the electrical grid. It also ensures the synchronization and stability of the solar power system with the grid, allowing excess energy to be fed back into the grid and enabling the system to draw power from the grid when needed.
- Q:How does a solar inverter handle voltage and frequency variations caused by load shedding?
- A solar inverter is designed to handle voltage and frequency variations caused by load shedding by having built-in mechanisms and control systems. When load shedding occurs and the grid voltage or frequency deviates from the normal range, the solar inverter detects these variations and adjusts its operation accordingly. To handle voltage variations, the solar inverter employs a voltage regulation system. It continuously monitors the grid voltage and compares it with the standard voltage level. If the grid voltage decreases or increases beyond the acceptable range, the inverter adjusts its internal voltage conversion process to maintain a stable output voltage. This ensures that the connected solar panels continue to generate power within the acceptable voltage limits, minimizing any negative effects due to voltage fluctuations. Similarly, for frequency variations caused by load shedding, the solar inverter has a frequency regulation mechanism. It monitors the grid frequency and compares it with the standard frequency level. In cases of frequency deviations, the inverter adjusts its internal synchronization process to match the grid frequency. This allows the inverter to synchronize with the grid and feed the generated solar power in a manner that is compatible with the grid's frequency. In addition to voltage and frequency regulation, solar inverters often have additional functionalities to enhance their ability to handle variations caused by load shedding. These may include features such as anti-islanding protection, which ensures that the solar system disconnects from the grid during a power outage to prevent safety hazards to utility workers attempting to restore power. Furthermore, some advanced inverters can also have energy storage capabilities, allowing them to store excess solar energy and provide uninterrupted power supply during load shedding events. Overall, solar inverters are specifically designed to handle voltage and frequency variations caused by load shedding. Through their regulation and control systems, they ensure that the solar power generated from the panels remains stable and compatible with the grid, providing a reliable and efficient power supply even during challenging grid conditions.
- Q:What is the role of a solar inverter in a solar-powered telecommunications system?
- The role of a solar inverter in a solar-powered telecommunications system is to convert the direct current (DC) produced by the solar panels into alternating current (AC) that can be used to power the telecommunications equipment. It also ensures that the AC power is stable and at the necessary voltage and frequency for the proper functioning of the system.
- Q:Can a solar inverter be used with a solar-powered lighting system?
- Yes, a solar inverter can be used with a solar-powered lighting system. The solar inverter is responsible for converting the direct current (DC) produced by the solar panels into alternating current (AC) that is used to power the lighting system. This allows the solar-powered lighting system to operate efficiently and effectively.
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Off-Grid Solar Inverter 10KVA-120KVA Made In China High Intelligence
- 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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