Satcon Solar Inverter SG3KTL-EC
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- Min Order Qty:
- 50000 unit
- Supply Capability:
- 300000 unit/month
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1. Structure of Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Description
A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a
utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is a
critical 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.
2. Main Features of the Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC
• Flexible design due to dual MPP tracking that is equipped to obtain full nominal power, 3-phase supply
• High energy yield due to maximum efficiency up to 98.1%
• Low noise levels and internal consumption due to natural cooling
• Integrated theft protection
• Access to Home WiFi system and enjoy cloud services via smart phones
• Integrated power management function, easy to receive the adjustable command from grid
• Extensive communication: RS-485, Ethernet, WLAN / WiFi, 4 digital inputs for ripple control receivers
• Product certification: TÜV, VDE 0126-1-1, EN 62109-1/-2, CE, G83/1, VDE-AR-N 4105
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Images
4. Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC Specification
Input Side Data | |
Max. PV input power | 3191W |
Max. PV input voltage | 1000V |
Startup voltage | 200V |
Nominal input voltage | 610V |
MPP voltage range | 140~900V |
MPP voltage range for nominal power | 160~800V |
No. of MPPTs | 2 |
Max. number of PV strings per MPPT | 1/1 |
Max. PV input current | 19.8A(9.9A/9.9A) |
Max. current for input connector | 10A |
Short-circuit current of PV input | 24.8A(12.4A/12.4A) |
Output Side Data | |
Nominal AC output power | 3000W |
Max AC output power（PF=1) | 3000W |
Max. AC output apparent power | 3000VA |
Max. AC output current | 4.4A |
Nominal AC voltage | 3/N/PE,230/400Vac |
AC voltage range | 310~480Vac(May vary as per corresponding country's grid standard) |
Nominal grid frequency | 50Hz |
Grid frequency range | 45~55Hz |
THD | < 3 % (Nominal power) |
DC current injection | <0.5 %In |
Power factor | >0.99@default value at nominal power, |
Protection | |
Anti-islanding protection | Yes |
LVRT | No |
DC reverse connection protection | Yes |
AC short circuit protection | Yes |
Leakage current protection | Yes |
DC switch | Integrated |
DC fuse | No |
Overvoltage protection | III |
System Data | |
Max. efficiency | 98.0% |
Max. European efficiency | 96.0% |
Isolation method | Transformerless |
Ingress protection rating | IP65 |
Night power consumption | <1W |
Operating ambient temperature range | -25~60℃(>45℃ derating) |
Allowable relative humidity range | 0~100% |
Cooling method | Natural cooling |
Noise | ≤29dB |
Max. operating altitude | 2000m |
Display | Graphic LCD |
Communication | Ethernet,RS485（RJ45 connector）, |
DC connection type | MC4 |
AC connection type | Plug and play connector |
Certification | VDE0126-1-1,EN62109-1,EN62109-2, |
Mechanical Data | |
Dimensions（W×H×D） | 403×518×190mm |
Mounting method | Wall bracket |
Weight | 22kg |
5. FAQ of Solar Photovoltaic Grid-Connected Inverter SG3KTL-EC
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: What are the common maintenance requirements for a solar inverter?
- Common maintenance requirements for a solar inverter typically include regular cleaning to remove dust and debris, checking and tightening electrical connections, inspecting for any signs of damage or wear, monitoring performance and output, and updating software or firmware as needed. Additionally, it is important to follow the manufacturer's guidelines and recommendations for maintenance to ensure optimal functionality and longevity of the solar inverter.
- Q: How does the harmonic distortion affect the performance of a solar inverter?
- Harmonic distortion affects the performance of a solar inverter by introducing unwanted frequencies and distortion in the output waveform. This can lead to reduced efficiency, increased power losses, and potential damage to connected electrical devices. It can also cause electromagnetic interference and compatibility issues with the utility grid or other connected systems. Therefore, minimizing harmonic distortion is crucial to ensure optimal performance and reliable operation of a solar inverter.
- Q: How does a solar inverter handle grid faults or disturbances?
- A solar inverter handles grid faults or disturbances by continuously monitoring the grid voltage and frequency. When a fault or disturbance is detected, the solar inverter quickly disconnects from the grid to ensure safety and protect the system. It then enters a standby mode until the grid returns to normal conditions. Once the grid stabilizes, the solar inverter reconnects and resumes its normal operation of converting solar energy into usable electricity.
- Q: How does a solar inverter convert DC power into AC power?
- A solar inverter converts DC power into AC power through a two-step process: first, it converts the DC power generated by solar panels into a high-frequency AC current, and then it uses a transformer to adjust the voltage of the AC current to match the desired grid voltage.
- Q: What are the potential risks of overheating a solar inverter?
- The potential risks of overheating a solar inverter include reduced efficiency, decreased lifespan, and potential damage to the internal components. It can also lead to unexpected shutdowns or malfunctions, resulting in a decrease in solar energy production. Additionally, overheating can pose a fire hazard, especially if proper cooling mechanisms or ventilation are not in place. Regular monitoring and maintenance are crucial to prevent these risks and ensure optimal performance of the solar inverter.
- Q: Can a solar inverter be used with different grid voltages?
- No, a solar inverter is designed to work with specific grid voltages and is not compatible with different grid voltages.
- Q: Can a solar inverter be used with a solar-powered emergency lighting system?
- Yes, a solar inverter can be used with a solar-powered emergency lighting system. The solar inverter is responsible for converting the direct current (DC) generated by the solar panels into alternating current (AC) which is required to power the emergency lighting system. This allows the system to store and utilize the solar energy effectively, ensuring uninterrupted power supply during emergencies.
- Q: What is the role of a fault detection feature in a solar inverter?
- The role of a fault detection feature in a solar inverter is to monitor and identify any malfunctions or abnormalities within the system. It is responsible for detecting faults such as overvoltage, under-voltage, over-temperature, short circuits, ground faults, or any other potential issues that may arise. This feature helps ensure the safe and efficient operation of the solar inverter by promptly alerting the user or system operator about the fault, allowing for quick troubleshooting and maintenance.
- Q: What is the maximum efficiency rating of a solar inverter?
- The maximum efficiency rating of a solar inverter can vary, but typically it ranges between 95% and 98%.
- Q: Can a solar inverter be used with different types of solar PV systems (roof-mounted, ground-mounted, etc.)?
- Yes, a solar inverter can be used with different types of solar PV systems, including roof-mounted, ground-mounted, and other variations. The primary function of a solar inverter is to convert the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used to power appliances and feed into the electrical grid. This conversion process remains consistent regardless of the type of PV system being used. However, it's important to note that the specific requirements and specifications of the solar inverter may vary depending on the type of PV system. Different PV systems may have varying voltage and power outputs, which may require specific inverter models capable of handling those specific requirements. For example, ground-mounted solar systems may have larger arrays and higher power outputs compared to roof-mounted systems, necessitating a different inverter. Therefore, while a solar inverter can generally be used with different types of solar PV systems, it is crucial to choose an inverter that is compatible with the specific system's voltage, power output, and other technical specifications. It is always recommended to consult with a professional solar installer or technician to ensure the proper selection and installation of the solar inverter for your specific PV system.
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Satcon Solar Inverter SG3KTL-EC
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50000 unit
- Supply Capability:
- 300000 unit/month
OKorder Service Pledge
OKorder Financial Service
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