Photovoltaic Grid-Connected Inverter SG100K3
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- Min Order Qty:
- 30 unit
- Supply Capability:
- 1000 unit/month
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1. Structure of Photovoltaic Grid-Connected Inverter SG100K3 Description
A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into
autility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network.
It is acritical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have
special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.
Suitable for 50Hz/60Hz grid, could be used in Asia, Australia and Europe.
2. Main Features of the Photovoltaic Grid-Connected Inverter SG100K3
* Advanced Technology, Grid-friendly
• Optional low-voltage and zero-voltage ride through to cope with various grid conditions
• SVG function at night, response to grid directives around the clock
• Reactive power control with power factor from 0.9 lagging to 0.9 leading
* More Compact, Saving Space for PV Plant
• Power density enhanced 40%, one of the central inverters with highest power density in the PV industry
• Save installation spaces and lower the plant initial cost
• Front maintenance, able to install against the wall, convenient installation and maintenance, saving operation cost of the PV plant
* Efficient, More Yields
• Max. efficiency at 97.3% with transformer
• Efficient MPPT control strategy, improve power yields
• 28335 chips adopted, more accurate calculation, more power yields
* More Advantages
• Perfect protection and fault alarm system, safe and reliable
• User-friendly dynamic graphics LCD
• Efficient PWM algorithm, low consumption of switch
• Operate without power derating at -25℃ - +55℃
• Reliable and continues operation in high altitude environment
• Auxiliary heater (opt.)
• CGC certification, compliance with BDEW
3. Photovoltaic Grid-Connected Inverter SG100K3 Images
4. Photovoltaic Grid-Connected Inverter SG100K3 Specification
Input Side Data |
|
Max. PV input power | 113KW |
Max. PV input voltage | 1000V |
Set-up voltage | 500V |
Min. operation voltage | 480V |
Max. PV input current | 236A |
MPP voltage range | 480~850V |
No. of DC inputs | 4 |
Output Side Data |
|
Nominal AC output power | 100KW |
Max. AC output apparent power | 110KVA |
Max. AC output current | 158A |
THD | <3%(Nominal power) |
Nominal AC voltage | 400V |
AC voltage range | 310V~450V |
Nominal grid frequency | 50/60Hz |
Grid frequency range | 47~52Hz/57~62Hz |
Power factor | >0.99@default value at nominal power, adj. 0.9 overexcited ~0.9 underexcited |
Isolated transformer | Yes |
DC current injection | <0.5 % In |
Efficiency |
|
Max. efficiency | 97.30% |
European efficiency | 96.70% |
Protection |
|
Input side disconnection device | Breaker |
Output side disconnection device | Breaker |
DC overvoltage protection | Yes |
AC overvoltage protection | Yes |
Grid monitoring | Yes |
Ground fault monitoring | Yes |
Insulation monitoring | Yes |
General Data |
|
Dimensions（W×H×D） | 806×1884×636mm |
Weight | 760kg |
Operating ambient temperature range | -25~+55℃ |
Night power consumption | <40W |
External auxiliary supply voltage | No |
Cooling method | Temperature controlled air-cooling |
Ingress protection rating | IP21 |
Allowable relative humidity range | 0~95% no condensing |
Max. operating altitude | 6000m(＞3000m derating) |
Fresh air consumption | 870m³/h |
Display | LCD |
Communication | RS485/Modbus, Ethernet(Opt.) |
5. FAQ of Photovoltaic Grid-Connected Inverter SG100K3
Q1. What is the difference between inverter and solar inverter?
A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.
Q2. What is the difference between MPPT&PWM?
A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.
- Q:Can a solar inverter be used with a net metering system?
- Yes, a solar inverter can be used with a net metering system. In fact, a solar inverter is an essential component of a net metering system. It converts the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that can be used to power the home or business. The excess electricity produced by the solar panels is fed back into the grid through the net meter, allowing the utility company to credit the owner for the excess energy produced.
- Q:How does shading impact the performance of a solar inverter?
- Shading can significantly impact the performance of a solar inverter by reducing the overall energy production of the solar panels. When certain parts of the solar panel are shaded, it creates an imbalance in the current flow, resulting in a decrease in the energy output. This can lead to a decline in the overall efficiency and power generation of the solar inverter. To mitigate this issue, technologies like bypass diodes are used in solar panels to minimize the impact of shading and ensure optimal performance.
- Q:How do you calculate the power loss in a solar inverter?
- To calculate the power loss in a solar inverter, you need to subtract the output power from the input power. The input power can be determined by multiplying the input voltage and input current, while the output power is obtained by multiplying the output voltage and output current. Subtracting the output power from the input power will give you the power loss in the solar inverter.
- Q:Can a solar inverter be used in systems with different module types?
- Yes, a solar inverter can be used in systems with different module types. Solar inverters are designed to convert the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power various household appliances and be fed into the electrical grid. They are typically compatible with a wide range of module types, including monocrystalline, polycrystalline, and thin-film solar panels. However, it is important to ensure that the inverter's specifications and capacity align with the specific module types being used to ensure optimal performance and efficiency.
- Q:How does a solar inverter affect the overall system efficiency at different temperatures?
- A solar inverter can affect the overall system efficiency at different temperatures by adjusting its power conversion efficiency based on the temperature conditions. In hot temperatures, solar inverters can experience lower conversion efficiencies, resulting in decreased overall system efficiency. This is due to increased internal resistance and heat losses in the inverter components. On the other hand, in colder temperatures, the inverter can operate more efficiently, as lower temperatures generally lead to reduced internal losses and improved performance. Therefore, the temperature conditions can have an impact on the efficiency of a solar inverter and subsequently affect the overall system efficiency.
- Q:Can a solar inverter be installed indoors?
- Yes, a solar inverter can be installed indoors.
- Q:What is the typical lifespan of the capacitors in a solar inverter?
- The typical lifespan of capacitors in a solar inverter can vary depending on various factors such as the quality of the capacitors, operating conditions, and maintenance practices. However, on average, capacitors in a solar inverter are expected to have a lifespan of around 10 to 15 years.
- Q:How does the efficiency of a solar inverter affect the overall system performance?
- The efficiency of a solar inverter plays a crucial role in determining the overall performance of a solar system. A higher efficiency inverter converts a greater percentage of the energy generated by the solar panels into usable electricity. This means that less energy is lost as heat, resulting in more electricity being available for consumption. A more efficient inverter translates into increased energy production, reduced reliance on grid power, and ultimately, higher cost savings. Additionally, a highly efficient inverter enhances the stability and reliability of the system, ensuring optimal performance and longevity.
- Q:What is the role of a voltage regulator in a solar inverter?
- The role of a voltage regulator in a solar inverter is to maintain a stable and consistent voltage output from the solar panels. It ensures that the varying DC voltage produced by the panels is converted to a constant AC voltage suitable for powering electrical appliances. This helps to protect the connected devices from potential damage caused by voltage fluctuations and ensures optimal performance of the solar inverter system.
- Q:What is the role of frequency support in a solar inverter?
- The role of frequency support in a solar inverter is to ensure that the output frequency of the inverter aligns with the grid frequency. It helps in maintaining grid stability by continuously monitoring the grid frequency and adjusting the solar inverter's output accordingly. This support is crucial in preventing frequency deviations and potential disruptions to the grid, ensuring proper integration of solar energy into the electrical system.
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Photovoltaic Grid-Connected Inverter SG100K3
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 unit
- Supply Capability:
- 1000 unit/month
OKorder Service Pledge
OKorder Financial Service
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