Grid Tied Solar Inverter 3-phase
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Grid Tied Solar Inverter 3-phase 20000W
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
With a R&D team more than 100 engineers,40% of the staff, who has been deeply engaged in the photovoltaic industry for 10 years, CNBM takes the mission to increase the inverter availability and efficiency, putting continuous innovation to make CNBM inverter easier for installation and operation, and more cost-effective for solar plant construction. The full range of CNBM single phase inverters has received VDE, CE, G83/1, G59/2, ENEL2010, VDE4105, C10/C11, AS4777 etc.
Maximum efficiency of 97.8% and wide input voltage range, Internal DCswitch,MTL-String, Sound control,Bluetooth/RF technology /Wi-FiTransformerless,GT topology
The Grid Connected Solar Inverter we can offer is 1.5kw to 20kw.
Introduction of Grid Tied Solar Inverter 3-phase 20000W
Maximum efficiency of 97.8% and wide input voltage range
Integrated DC switch-disconnected
MTL-String
Sound control
Bluetooth/RF technology /Wi-Fi
Transformerless GT topology
5 years warranty (10 years as optional)
Datasheet of Grid Tied Solar Inverter 3-phase 20000W
Model | 10000TL3-US | 12000TL3-US | 18000TL3-US | 20000TL3-US |
Input data(DC) | ||||
Max. DC Power | 10500W | 12500W | 18750W | 20850W |
Max. DC voltage | 600V | 600V | 600V | 600V |
Start voltage | 120V | 120V | 120V | 120V |
PV voltage range | 80V-600V | 80V-600V | 80V-600V | 80V-600V |
Max. input current of the MPP tracker A/tracker B | 21A/21A | 25A/25A | 38A/38A | 42A/42A |
Number of MPP trackers/strings per MPP tracker | 2/3 | 2/3 | 2/6 | 2/6 |
Output data(AC) | ||||
Nominal output power | 10000W | 12000W | 18000W | 20000W |
Nominal AC voltage | 480V | 480V | 480V | 480V |
AC voltage range | 422-528VAC | 422-528VAC | 422-528VAC | 422-528VAC |
Nominal AC grid frequency | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
Max. output current(cos φ=1) | 12.0A | 14.5A | 21.5A | 24A |
Power factor(cos φ) | >0.99 | >0.99 | >0.99 | >0.99 |
Harmonics | <3% | <3% | <3% | <3% |
Grid connection type | 3/N/E | 3/N/E | 3/N/E | 3/N/E |
Efficiency | ||||
Max. efficiency | 97% | 97% | 97.5% | 97.5% |
CEC-Weighted efficiency | 95.5% | 95.5% | 96% | 96.5% |
MPPT efficiency | 99.5% | 99.5% | 99.5% | 99.5% |
Protection devices | ||||
Input over voltage protection -DIN rail surge arrester(Option) | Class II | Class II | Class II | Class II |
DC insulation measure | yes | yes | yes | yes |
AC short circuit protection | yes | yes | yes | yes |
Output over voltage protection -Varistor | yes | yes | yes | yes |
Output over voltage protection -DIN rail surge arrester(Option) | Class II | Class II | Class II | Class II |
String fuse type/size(Option) | 15A/600VDC 10*38mm | 15A/600VDC 10*38mm | 15A/600VDC 10*38mm | 15A/600VDC 10*38mm |
General Data | ||||
Dimensions(W*H*D) in mm | 530*705*247 | 530*705*247 | 650*740*247 | 650*740*247 |
Weight | 46kg/101.5lb | 46kg/101.5lb | 63kg/138.9lb | 63kg/138.9lb |
Operating ambient temperature range | –25°C ... +60°C | –25°C ... +60°C | –25°C ... +60°C | –25°C ... +60°C |
Altitude | ≤2000m/6560ft | |||
Self Consumption night | < 3 W | < 3 W | < 3 W | < 3 W |
Topology | Transformerless | |||
Cooling concept | Fan Cool | Fan Cool | Fan Cool | Fan Cool |
Electronics protection rating /connection area | NEMA 3R | NEMA 3R | NEMA 3R | NEMA 3R |
Features | ||||
Display | Graphic | Graphic | Graphic | Graphic |
Interface:RS232/RS485/ Bluetooth/RF/Zigbee/Wifi | yes/yes/opt/opt /opt/opt | |||
Warranty:10 years /15 years | yes/opt | yes/opt | yes/opt | yes/opt |
Certificates and approvals | UL1741,UL1998,IEEE1547,FCC part 15(class B),CSA C22.2 No.107.1 |
Picture 1: Factory of Grid Tied Solar Inverter 3-phase 20000W
Picture 2: Package of Grid Tied Solar Inverter 3-phase 20000W
- Q:
- Voltage and frequency variations caused by voltage sags and swells are effectively managed by the diverse mechanisms equipped in a solar inverter. When there is a voltage sag or swell in the electrical grid, the solar inverter employs a technique known as Maximum Power Point Tracking (MPPT) to regulate the power output from the solar panels. During a voltage sag, where the grid voltage drops below the standard level, the solar inverter adjusts its MPPT algorithms to ensure that the solar panels continue operating at their maximum power point. This guarantees that the inverter extracts the most available power from the panels and compensates for the reduced grid voltage. By dynamically adjusting the operating point of the panels, the inverter mitigates the effects of the voltage sag and maintains an optimal power output. Similarly, in the case of a voltage swell, where the grid voltage exceeds the normal level, the solar inverter once again utilizes its MPPT capabilities to regulate power output. It adjusts the panels' operating point to prevent them from surpassing their rated voltage, thereby safeguarding them from potential damage. This allows the inverter to effectively handle the increased grid voltage and prevent any negative impact on the solar panels. Aside from voltage regulation, a solar inverter also addresses frequency variations caused by voltage sags and swells. It is designed to synchronize with the grid frequency and uphold a stable output frequency. When the grid frequency deviates from the normal range, the inverter adapts its internal control systems to match the grid frequency. This synchronization ensures that the power output from the inverter aligns with the grid requirements, facilitating seamless integration of solar energy into the electrical system. In conclusion, a solar inverter effectively manages voltage and frequency variations caused by voltage sags and swells by utilizing MPPT algorithms, voltage regulation mechanisms, and frequency synchronization capabilities. These features enable the inverter to adapt to changing grid conditions, maximize power extraction from the solar panels, and maintain a stable and reliable power output.
- Q:
- No, a solar inverter cannot be directly used with a string inverter system. A solar inverter converts the direct current (DC) generated by the solar panels into usable alternating current (AC) electricity. On the other hand, a string inverter manages the output of multiple solar panels connected in series, converting the DC power from the panels to AC power for the grid. These two types of inverters serve different functions and are not compatible with each other.
- Q:
- Regular maintenance for a solar inverter typically includes visual inspection for dust or dirt accumulation, checking for loose connections, monitoring the inverter's performance, and ensuring proper ventilation. Additionally, it is recommended to clean the solar panels periodically to maximize the system's efficiency.
- Q:
- Yes, a solar inverter can be used with a solar-powered cooling system. The solar inverter is responsible for converting the direct current (DC) power generated by the solar panels into alternating current (AC) power, which is required to operate the cooling system. By connecting the solar panels to the inverter, the generated solar energy can be efficiently utilized to power the cooling system, making it a sustainable and eco-friendly solution.
- Q:
- Yes, a solar inverter can be used with different types of grounding systems. Solar inverters are designed to be compatible with various grounding configurations, including both grounded and ungrounded systems. However, it is important to ensure that the specific inverter model is compatible with the desired grounding system to ensure safe and optimal operation.
- Q:
- Yes, a solar inverter can be used with a monitoring system. In fact, many solar inverters come with built-in monitoring capabilities, allowing users to track and analyze the performance of their solar energy system in real-time. Additionally, there are also external monitoring systems available that can be connected to the solar inverter to provide more detailed data and insights on energy production, consumption, and system efficiency.
- Q:
- During islanding conditions, which occur when a distributed generation system (such as a solar PV system) continues to supply power to a local area even when the main electrical grid has been disconnected, the role of a solar inverter is crucial in maintaining voltage and frequency regulation. When a solar inverter operates in grid-connected mode, it synchronizes its output voltage and frequency with the utility grid. However, during islanding conditions, the solar inverter must transition into a standalone mode, where it becomes responsible for regulating voltage and frequency within the isolated microgrid. The primary function of a solar inverter in islanding conditions is to ensure that the voltage and frequency of the generated electricity remain within acceptable limits. It does this by constantly monitoring the electrical parameters and adjusting its own output accordingly. To regulate voltage, the solar inverter adjusts its output voltage based on the demand and the available power from the solar panels. It maintains a steady voltage level within a specified range, typically around 230-240 volts for residential applications. Frequency regulation is equally important, as it ensures that the electrical devices connected to the microgrid operate at their designed frequency, typically 50 or 60 Hz. The solar inverter continuously monitors the frequency and adjusts its output to match the required frequency, minimizing fluctuations and maintaining stability. In addition to voltage and frequency regulation, a solar inverter also provides other important functions during islanding conditions. These include power quality control, protection against overvoltage and overcurrent, and safe disconnection in case of emergencies or grid restoration. Overall, the role of a solar inverter in voltage and frequency regulation during islanding conditions is critical to maintain a stable and reliable power supply within the isolated microgrid. It ensures that the electricity generated by the solar PV system remains within acceptable parameters, allowing the connected electrical devices to operate efficiently and safely.
- Q:
- 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:
- A solar inverter handles harmonics in the grid by implementing various techniques such as filtering, synchronization, and control algorithms. These techniques help in mitigating harmonics and ensuring that the power generated from the solar panels is synchronized and compatible with the grid's electrical frequency and voltage. The inverter's control system monitors the grid's harmonics and adjusts its output accordingly to minimize any adverse effects and maintain grid stability.
- Q:
- During startup, a solar inverter handles grid synchronization by employing a process called anti-islanding. The inverter continuously monitors the grid voltage and frequency to ensure that it matches the required standards. It remains disconnected from the grid until it detects stable and synchronized grid conditions. Once the grid parameters are within the acceptable range, the inverter synchronizes its output waveform with the grid and gradually ramps up its power production. This ensures a smooth and safe integration of the solar system with the grid, preventing any potential issues like islanding or instability.
1. Manufacturer Overview |
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Location | Shenzhen,China |
Year Established | 2010 |
Annual Output Value | 50 million USD |
Main Markets | Australia, Euro, America, China. |
Company Certifications | CE, VDE-AR-N4105, FCC,ETL,CEC,CEI 0-21,G83,G59,SAA,CGC |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Shenzhen, Guangzhou, Hongkong |
Export Percentage | 60% |
No.of Employees in Trade Department | 260 |
Language Spoken: | English, Chinese |
b)Factory Information | |
Factory Size: | 500-1000 |
No. of Production Lines | 8 |
Contract Manufacturing | None |
Product Price Range | 300-40000 USD |
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