Solar Inverter for Sale - 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: What are the safety certifications to look for in a solar inverter?
- Some safety certifications to look for in a solar inverter include UL 1741, IEC 62109, and CSA C22.2 No. 107.1. These certifications ensure that the inverter meets specific safety standards, such as protection against electrical shocks, fire hazards, and grid disturbances. It is essential to check for these certifications to ensure the safe and reliable operation of the solar inverter.
- Q: What is the difference between a transformerless inverter and a transformer-based inverter?
- A transformerless inverter and a transformer-based inverter differ primarily in their design and functionality. A transformerless inverter, as the name suggests, does not include a transformer in its circuitry. Instead, it uses advanced semiconductor components, such as insulated-gate bipolar transistors (IGBTs), to convert the direct current (DC) power from a source like solar panels into alternating current (AC) power for use in homes or businesses. The absence of a transformer allows for a more compact and lightweight design, making transformerless inverters ideal for space-constrained installations. However, due to the lack of galvanic isolation, transformerless inverters may have slightly less electrical safety compared to transformer-based inverters. On the other hand, a transformer-based inverter incorporates a transformer as an integral part of its circuitry. This transformer serves multiple purposes, including galvanic isolation, voltage step-up or step-down, and impedance matching. Galvanic isolation is particularly important as it provides a barrier between the input and output of the inverter, offering enhanced electrical safety and protection against electrical shocks. The presence of a transformer also helps to stabilize the output voltage, making transformer-based inverters more suitable for applications with sensitive electronics or where grid synchronization is critical. In summary, while transformerless inverters offer compactness and lightweight design, transformer-based inverters provide better electrical safety and stability. The choice between the two depends on the specific application requirements, space availability, and the level of electrical safety desired.
- Q: How does shade affect the performance of a solar inverter?
- Shade has a significant impact on the performance of a solar inverter. When a solar panel is partially shaded, it reduces the amount of sunlight reaching the panel, resulting in a decrease in power generation. This leads to a decrease in the overall performance of the solar system, as the inverter's efficiency is directly linked to the amount of power it receives from the panels. Additionally, shade can also cause voltage fluctuations and imbalances, potentially damaging the inverter. Therefore, avoiding shade and ensuring unobstructed sunlight is crucial for optimal performance of a solar inverter.
- Q: Can a solar inverter be used with different types of tracking algorithms?
- Yes, a solar inverter can be used with different types of tracking algorithms. The primary function of a solar inverter is to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used in homes or businesses. Tracking algorithms, on the other hand, are responsible for optimizing the performance of solar panels by adjusting their orientation and tilt angles to maximize sunlight exposure. Solar inverters can integrate with various tracking algorithms to ensure efficient operation and improve energy generation.
- Q: Can a solar inverter be used with solar-powered water heaters?
- No, a solar inverter cannot be directly used with solar-powered water heaters. The solar inverter is designed to convert the DC power generated by solar panels into AC power for general electrical use in households. On the other hand, solar-powered water heaters utilize direct thermal energy from the sun to heat water, without involving the need for converting DC power to AC power.
- Q: Are there any specific installation requirements for solar inverters?
- Yes, there are specific installation requirements for solar inverters. Here are some key considerations: 1. Location: Solar inverters should be installed in a well-ventilated area, away from direct sunlight or any potential sources of heat. They should also be placed in a clean and dry environment to ensure optimal performance and longevity. 2. Mounting: Inverters can be mounted on walls or placed on flat surfaces, but it is important to follow the manufacturer's guidelines for proper mounting techniques and ensure that they are securely fastened. 3. Wiring: Adequate wiring is essential for connecting the solar panels to the inverter and the inverter to the electrical grid. The wiring should be properly sized, based on the system's specifications, to handle the voltage and current requirements without any voltage drop or overheating. 4. Electrical connections: The inverter should be connected to a dedicated circuit breaker or fuse in the main electrical panel. This circuit breaker or fuse should be properly sized to protect the inverter and the electrical system from any potential hazards. 5. Clearances: Solar inverters require specific clearances to ensure proper ventilation and prevent overheating. The manufacturer's guidelines should be followed to determine the necessary clearances around the inverter. 6. Monitoring and safety devices: Some inverters require additional monitoring and safety devices, such as surge protectors, arc fault circuit interrupters (AFCIs), or rapid shutdown devices. These devices should be installed according to the manufacturer's instructions and local electrical codes. 7. Compliance with regulations: It is crucial to comply with local electrical codes and regulations when installing solar inverters. This may include obtaining necessary permits and inspections to ensure a safe and compliant installation. It is recommended to consult with a professional solar installer or electrician who is knowledgeable about solar inverter installations to ensure that all the specific requirements are met for your particular system.
- Q: What are the safety features of a solar inverter?
- The safety features of a solar inverter typically include overvoltage protection, short circuit protection, ground fault protection, and thermal protection. These features are designed to ensure the safe and reliable operation of the inverter, protecting both the equipment and the users from potential hazards or damage.
- Q: What is the role of a solar inverter in a solar panel system?
- The role of a solar inverter in a solar panel system is to convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power household appliances and be fed into the electrical grid. It also ensures maximum power output and efficiency from the solar panels by constantly tracking the maximum power point.
- Q: What is the temperature range for optimal operation of a solar inverter?
- The temperature range for optimal operation of a solar inverter typically falls between 0°C (32°F) to 40°C (104°F).
- Q: Can a solar inverter be used with concentrated photovoltaic systems?
- Yes, a solar inverter can be used with concentrated photovoltaic (CPV) systems. However, the inverter used for CPV systems may differ from the ones used for traditional photovoltaic systems. CPV systems use lenses or mirrors to concentrate sunlight onto highly efficient solar cells, which generate DC power. This DC power is converted into AC power by the inverter, enabling it to be used for various applications or fed into the grid. Therefore, a specialized inverter designed to handle the unique characteristics and high levels of DC power output of CPV systems is required.
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Solar Inverter for Sale - 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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