Kaco Solar Inverter Photovoltaic On-Grid Connected Inverter SG20KTL
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- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500000 unit
- Supply Capability:
- 3000000 unit/month
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1. Structure of Solar Photovoltaic On-Grid Connected Inverter SG20KTL 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, Africa and Europe. Available for hand installation, no need for lifting machinery
assistance.
2. Main Features of the Photovoltaic On-Grid Connected Inverter SG20KTL
• Full 20 kW effective power at power factor of 0.9 due to apparent power reserves up to 22.2 kVA
• Photon test results "very good", with a maximum efficiency of 98% (Photon Profi 2-2012)
• Dual MPP trackers control
• Active power continuously adjustable (0~100%)
•Reactive power control with power factor 0.8 overexcited ~ 0.8 underexcited
•Includes RS-485 interface, compatible with all common monitoring systems
• Product certification: TÜV, CE, CEI 0-21, G59/2, AS4777, BDEW, VDE AR-N-4105, CGC, compliance with Italian medium voltage grid requirement
• Manufacturer certification: ISO 9001, ISO 14001, OHSAS 18000
3. Photovoltaic On-Grid Connected Inverter SG20KTL Images
4. Photovoltaic On-Grid Connected Inverter SG20KTL Specification
Input Side Data | |
Max. PV input power | 21000W(10500W/10500W) |
Max. PV input voltage | 1000V |
Startup voltage | 300V |
Nominal input voltage | 620V |
MPP voltage range | 280~950V |
MPP voltage range for nominal power | 480~800V |
No. of MPPTs | 2 |
Max. number of PV strings per MPPT | 3 |
Max. PV input current | 42A(21A/21A) |
Max. current for input connector | 12A |
Output Side Data | |
Nominal AC output power | 20000W |
Max AC output power（PF=1） | 22200W |
Max. AC output apparent power | 22200VA |
Max. AC output current | 33A |
Nominal AC voltage | 3/N/PE, 230/400Vac |
AC voltage range | 310~480Vac |
Nominal grid frequency | 50Hz/60Hz |
Grid frequency range | 47~53Hz/57~63Hz |
THD | < 3 % (Nominal power) |
DC current injection | <0.5 %In |
Power factor | >0.99@default value at nominal power |
(adj. 0.8overexcited ~0.8underexited ) | |
Protection | |
Anti-islanding protection | Yes |
LVRT | Yes |
DC reverse connection protection | Yes |
AC short circuit protection | Yes |
Leakage current protection | Yes |
DC switch | Yes |
DC fuse | No |
Overvoltage protection | Varistors |
System Data | |
Max. efficiency | 98.00% |
Max. European efficiency | 97.30% |
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 | Smart forced air cooling |
Max. operating altitude | 4000m (＞3000m derating) |
Display | Graphic LCD |
Communication | RS485（RJ45 connector） |
DC connection type | MC4 |
AC connection type | Plug and play connector |
Certification | EN62109-1, EN62109-2, EN61000-6-2，EN61000-6-3, VDE0126-1-1, |
CEI 0-21, AS/NZS3100, AS4777.2, AS4777.3, | |
VDE-AR-N-4105, BDEW, CGC | |
Mechanical Data | |
Dimensions（W×H×D） | 648×686×246mm |
Mounting method | Wall bracket |
Weight | 55kg |
5. FAQ of Photovoltaic On-Grid Connected Inverter SG20KTL
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: How does the harmonic distortion affect the performance of a solar inverter?
- Harmonic distortion can have a negative impact on the performance of a solar inverter. It can lead to increased heat generation, reduced efficiency, and can even cause damage to the inverter components. Additionally, harmonic distortion can introduce electrical noise into the system, which can affect the quality of the output waveform and potentially interfere with other connected devices. Therefore, minimizing harmonic distortion is important to ensure optimal performance and reliable operation of a solar inverter.
- Q: Is it possible to monitor the performance of a solar inverter remotely?
- Yes, it is possible to monitor the performance of a solar inverter remotely. Many modern solar inverters come with built-in data monitoring capabilities that allow users to track and analyze the system's performance from anywhere with an internet connection. Through web-based interfaces or smartphone applications, users can view real-time data, such as energy production, power output, and system status, as well as historical data and performance trends. Remote monitoring helps identify any issues or anomalies, optimize system performance, and ensure efficient operation of the solar inverter.
- Q: What are the different power output modes of a solar inverter?
- The different power output modes of a solar inverter typically include grid-tie mode, off-grid mode, and hybrid mode. In grid-tie mode, the solar inverter synchronizes with the utility grid, allowing excess solar energy to be fed back into the grid. Off-grid mode, on the other hand, enables the solar inverter to operate independently, providing power to appliances and devices without the need for a utility grid connection. Hybrid mode combines the features of both grid-tie and off-grid modes, allowing the solar inverter to function with or without the grid, depending on the availability of solar energy and the user's preferences.
- Q: How does a solar inverter handle variations in solar panel cleanliness?
- A solar inverter is not directly responsible for handling variations in solar panel cleanliness. However, a clean solar panel allows for maximum absorption of sunlight, resulting in optimal energy production. If solar panels are dirty, the amount of sunlight absorbed decreases, leading to reduced energy generation. It is the responsibility of the solar panel owner to regularly clean and maintain the panels to ensure their efficiency.
- Q: Can a solar inverter be used in systems with different module tilts?
- Yes, a solar inverter can be used in systems with different module tilts. Solar inverters are designed to convert the DC power generated by solar modules into AC power that can be used in electrical systems. They are typically compatible with a wide range of module tilts and orientations. However, it is important to ensure that the inverter is properly configured to match the specific tilt angles of the solar modules for optimal performance and maximum energy generation.
- Q: Can a solar inverter be used in off-grid systems?
- Yes, a solar inverter can be used in off-grid systems. Off-grid systems rely on solar panels to generate electricity and store it in batteries for use when the sun is not shining. A solar inverter is necessary to convert the direct current (DC) produced by the solar panels into alternating current (AC) that is usable by common household appliances.
- Q: Can a solar inverter be used with a solar-powered electric fence system?
- Yes, a solar inverter can be used with a solar-powered electric fence system. The solar inverter is responsible for converting the direct current (DC) generated by the solar panels into alternating current (AC) to power the electric fence system. This allows the solar panels to efficiently charge the battery and power the electric fence, providing a renewable and sustainable energy solution.
- Q: How does a solar inverter handle excess power production?
- A solar inverter handles excess power production by converting the surplus energy generated by the solar panels into usable AC power. This excess power is either fed back into the grid or stored in batteries for later use, depending on the type of solar system setup.
- 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: Are there any safety considerations when installing a solar inverter?
- Yes, there are several safety considerations when installing a solar inverter. Firstly, it is important to ensure that the installation is done by a qualified professional who has the necessary knowledge and expertise. Additionally, proper grounding and electrical connections should be established to minimize the risk of electric shocks or fires. Adequate ventilation and protection from moisture should also be provided to prevent overheating and damage. Lastly, it is crucial to follow all manufacturer's instructions and local building codes to ensure a safe and compliant installation.
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Kaco Solar Inverter Photovoltaic On-Grid Connected Inverter SG20KTL
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500000 unit
- Supply Capability:
- 3000000 unit/month
OKorder Service Pledge
OKorder Financial Service
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