Photovoltaic On-Grid Connected Inverter SG20KTL
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- 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: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) generated by the solar panels into alternating current (AC) that can be used to power the lighting system. It ensures efficient energy conversion and ensures compatibility between the solar panels and lighting system.
- Q:What is the role of a power quality analyzer in a solar inverter?
- The role of a power quality analyzer in a solar inverter is to monitor and analyze the quality of the electrical power being generated by the solar panels. It measures various parameters such as voltage, current, frequency, harmonics, and power factor to ensure that the power being generated is within acceptable limits and meets the required standards. By detecting any deviations or abnormalities in the power quality, the analyzer helps in identifying and rectifying issues that could affect the performance and efficiency of the solar inverter and the overall solar power system.
- Q:How does a grid-tied solar inverter function?
- A grid-tied solar inverter functions by converting the direct current (DC) produced by solar panels into usable alternating current (AC) that can be fed into the electrical grid. This inverter synchronizes the frequency and voltage of the generated electricity with that of the grid, allowing for seamless integration and distribution of solar power to homes and businesses. Additionally, it continuously monitors the grid voltage and shuts down in the event of a power outage to ensure safety and prevent back-feeding.
- Q:What is the PV inverter starting voltage
- Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power. Generally consists of boost circuit and inverter bridge circuit. The boost circuit boosts the DC voltage of the solar cell to the DC voltage required for the inverter output control. The inverter bridge circuit converts the boosted DC voltage to the AC voltage of the common frequency. The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner. Of course, it is not practical to simply output the inverter output waveforms from the on and off circuits
- Q:Can a solar inverter work without sunlight?
- No, a solar inverter cannot work without sunlight as it relies on solar energy to convert the direct current (DC) produced by solar panels into alternating current (AC) for use in homes and businesses.
- Q:Can a solar inverter be installed indoors?
- Yes, a solar inverter can be installed indoors.
- Q:How does a solar inverter handle reactive power compensation?
- A solar inverter handles reactive power compensation by utilizing reactive power control techniques. It can dynamically regulate the amount of reactive power injected into or absorbed from the electrical grid. This helps maintain the power factor at the desired level, improving system efficiency and reducing grid instability caused by reactive power fluctuations.
- Q:What are the potential risks of fire or explosions from a faulty solar inverter?
- The potential risks of fire or explosions from a faulty solar inverter include electrical malfunctions leading to overheating, short circuits, and voltage surges. These issues can cause fires or explosions if not addressed promptly, posing a threat to property and potentially endangering lives. It is crucial to regularly inspect and maintain solar inverters to mitigate these risks and ensure safe operation.
- Q:How does a solar inverter convert DC to AC power?
- A solar inverter converts direct current (DC) power generated by solar panels into alternating current (AC) power that can be used in households and businesses. It does this through a two-step process. Firstly, the DC power from the solar panels is converted into a high-frequency AC power using power electronic switches, usually in the form of transistors. This high-frequency AC power is then transformed into a stable AC power with the desired voltage and frequency using transformers and filters. Overall, the solar inverter ensures that the DC power generated by the solar panels is converted into a usable AC power that can be fed into the electrical grid or consumed directly.
- Q:Can a solar inverter be used in a three-phase power system?
- Yes, a solar inverter can be used in a three-phase power system. In fact, three-phase solar inverters are commonly used in commercial and industrial applications where three-phase power is utilized. These inverters convert the DC power generated by solar panels into AC power that can be seamlessly integrated into the three-phase power grid.
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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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