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
You Might Also Like
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 for off-grid systems?
- Yes, a solar inverter can be used for off-grid systems. Off-grid systems are not connected to the utility grid and rely solely on renewable energy sources like solar panels. A solar inverter converts the direct current (DC) generated by the solar panels into alternating current (AC) which can be used to power appliances and devices in an off-grid system.
- Q: What is the role of a frequency regulation feature in a solar inverter?
- The role of a frequency regulation feature in a solar inverter is to ensure that the power output from the solar panels matches the grid's frequency and voltage requirements. It helps maintain a stable and consistent frequency, allowing for seamless integration of solar power into the existing electrical grid.
- Q: Can a solar inverter be used in a ground-mounted solar system?
- Yes, a solar inverter can be used in a ground-mounted solar system. The solar inverter is an essential component that converts the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power electrical appliances or be fed back into the grid. Whether the solar system is mounted on the ground or on a roof, the inverter's role remains the same, making it compatible with ground-mounted systems.
- Q: What is the difference between a centralized and decentralized solar inverter system?
- A centralized solar inverter system involves connecting multiple solar panels to a single inverter, with all the panels connected in series. The combined DC power generated by the panels is then converted into AC power by the centralized inverter. On the other hand, a decentralized solar inverter system, also known as microinverters or power optimizers, consists of each solar panel having its own dedicated inverter. In this system, each panel operates independently and converts its DC power into AC power directly at the panel level. The main distinction between the two systems lies in their architecture and power conversion methods. In a centralized system, the overall power output of the entire array depends on the performance of a single inverter. If any panel in the array underperforms due to shading or malfunction, it can significantly impact the overall system's performance. Additionally, a single inverter can limit design flexibility and system scalability. In a decentralized system, each panel operates independently, allowing for greater flexibility and optimization. The individual inverters in a decentralized system can maximize the power output of each panel, regardless of shading or performance variations. This also means that the overall system performance is less affected by the underperformance of a single panel. Moreover, decentralized systems offer better scalability as additional panels can be easily added without the need for significant system redesign. Decentralized systems also provide improved monitoring capabilities, as each inverter can provide real-time data on individual panel performance. This simplifies troubleshooting, maintenance, and issue identification within the solar array. To summarize, while a centralized solar inverter system is a simpler and more cost-effective option, a decentralized system offers better optimization, scalability, monitoring, and performance reliability. Choosing between the two systems depends on factors such as system size, shading conditions, budget, and desired level of control and flexibility.
- Q: What are the potential risks of overcharging a battery connected to a solar inverter?
- Overcharging a battery connected to a solar inverter can lead to several potential risks. Firstly, it can cause excessive heat buildup in the battery, which can lead to reduced battery life and even damage the internal components. Secondly, overcharging can cause electrolyte leakage or gas buildup within the battery, increasing the risk of explosion or fire hazard. Additionally, overcharging can result in the release of toxic gases, such as hydrogen, which can be harmful if not properly ventilated. Finally, overcharging can also have an adverse effect on the overall efficiency of the solar system, as excess energy is wasted during the charging process.
- Q: Can a solar inverter be used with different types of energy storage systems?
- Yes, a solar inverter can be used with different types of energy storage systems. Solar inverters are typically designed to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power household appliances and other electrical devices. They can be integrated with various energy storage technologies such as batteries, supercapacitors, and flywheels to store excess energy generated by the solar panels for later use. The compatibility between the solar inverter and the energy storage system may depend on factors such as voltage requirements, capacity, and communication protocols.
- Q: How do you troubleshoot common issues with a solar inverter?
- To troubleshoot common issues with a solar inverter, first, check the display panel for any error messages or indicators. If there are none, ensure that all connections, including DC and AC cables, are securely tightened. Next, verify if there is sufficient sunlight reaching the solar panels. If the issue persists, inspect the fuse or circuit breaker and replace if necessary. Additionally, investigate the inverter's performance logs to identify any irregularities. If these steps do not resolve the problem, it is recommended to consult a professional solar technician for further assistance.
- Q: Can a solar inverter be used with a solar-powered water heating system?
- Yes, a solar inverter can be used with a solar-powered water heating system. The solar inverter converts the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power the water heating system. This allows for efficient utilization of solar energy and ensures the water heating system operates effectively.
- Q: What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
- Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.
- Q: How does a solar inverter handle voltage dip and interruption?
- A solar inverter handles voltage dip and interruption by continuously monitoring the incoming grid voltage. In case of a voltage dip, it utilizes its internal control mechanisms to stabilize and regulate the output voltage, ensuring a consistent power supply to the connected solar panels. In the event of a complete interruption of grid power, the inverter quickly switches to an off-grid mode, where it utilizes the solar energy stored in batteries (if available) to continue powering the connected loads. This way, it effectively mitigates the impact of voltage fluctuations and interruptions, ensuring uninterrupted power supply from the solar panels.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
