Danfoss Solar Inverter - sun-30/33/35/40/50/60k-g03 | 30-60kw | Three Phase | 4 MPPT

Danfoss Solar Inverter - sun-30/33/35/40/50/60k-g03 | 30-60kw | Three Phase | 4 MPPT System 1

Danfoss Solar Inverter - sun-30/33/35/40/50/60k-g03 | 30-60kw | Three Phase | 4 MPPT System 2

Danfoss Solar Inverter - sun-30/33/35/40/50/60k-g03 | 30-60kw | Three Phase | 4 MPPT

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Loading Port:: Ningbo

Payment Terms:: TT OR LC

Min Order Qty:: 1000 pc

Supply Capability:: 5000 pc/month

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Specification

Output Power:

30-60kw

Inveter Efficiency:

98%

Output Voltage(V):

380

Input Voltage(V):

550

Output Current（A）:

43.5-87

Output Frequency:

50/60Hz

Technical Data
Model	SUN-30K-G03	SUN-33K-G03	SUN-35K-G03	SUN-40K-G03	SUN-50K-G03	SUN-60K-G03
Input Side
Max. DC Input Power (kW)	39	42.9	45.5	52	65	78
Max. DC Input Voltage (V)	1000
Start-up DC Input Voltage (V)	250
MPPT Operating Range (V)	200~850
Max. DC Input Current (A)	40+40	40+40+40			40+40+40+40
Max. Short Circuit Current (A)	60+60	60+60+60			60+60+60+60
Number of MPPT / Strings per MPPT	2/3	3/3			4/3
Output Side
Rated Output Power (kW)	30	33	35	40	50	60
Max. Active Power (kW)	33	36.3	38.5	44	55	66
Nominal Output Voltage / Range (V)	3L/N/PE 380V/0.85Un-1.1Un, 400V/0.85Un-1.1Un
Rated Grid Frequency (Hz)	50 / 60 (Optional)
Operating Phase	Three phase
Rated AC Grid Output Current (A)	43.5	47.8	50.7	58	72.5	87
Max. AC Output Current (A)	47.9	52.6	55.8	63.8	79.7	95.7
Output Power Factor	0.8 leading to 0.8 lagging
Grid Current THD	<3%
DC Injection Current (mA)	<0.5%
Grid Frequency Range	47~52 or 57~62 (Optional)
Efficiency
Max. Efficiency	98.7%
Euro Efficiency	98%
MPPT Efficiency	>99%
Protection
DC Reverse-Polarity Protection	Yes
AC Short Circuit Protection	Yes
AC Output Overcurrent Protection	Yes
Output Overvoltage Protection	Yes
Insulation Resistance Protection	Yes
Ground Fault Monitoring	Yes
Anti-islanding Protection	Yes
Temperature Protection	Yes
Integrated DC Switch	Yes
Remote software upload	Yes
Remote change of operating parameters	Yes
Surge protection	DC Type II / AC Type II
General Data
Size (mm)	647.5W×537H×303.5D
Weight (kg)	44.5
Topology	Transformerless
Internal Consumption	<1W (Night)
Running Temperature	-25~65℃, >45℃ derating
Ingress Protection	IP65
Noise Emission (Typical)	<45 dB
Cooling Concept	Smart cooling
Max. Operating Altitude Without Derating	2000m
Warranty	5 years
Grid Connection Standard	CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11
Operating Surroundings Humidity	0-100%
Safety EMC / Standard	IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
Features
DC Connection	MC-4 mateable
AC Connection	IP65 rated plug
Display	LCD 240×160
Interface	RS485/RS232/Wifi/LAN

This series grid-tie inverter is preferred choice for commercial PV system. With the free-standing design, it greatly reduces installation time and costs. With a Max. 4 MPPTs design and Max. capacity of 50 kW, it is scalable up to the megawatt range.

· 4 MPP tracker, Max. efficiency up to 98.7%

· Zero export application, VSG application

· String intelligent monitoring (optional)

· Wide output voltage range

· Type II DC/AC SPD

· Anti-PID function (Optional)

Q:How does a solar inverter handle voltage dips or surges in the grid?: A solar inverter handles voltage dips or surges in the grid by continuously monitoring the grid voltage. When a voltage dip occurs, the inverter adjusts its output voltage accordingly to maintain a stable power supply. In case of a voltage surge, the inverter's protective mechanisms activate to prevent any damage to the system. Overall, the solar inverter plays a crucial role in regulating and stabilizing the voltage from the grid to ensure efficient and safe operation of the solar power system.

Q:How does the input voltage range affect the performance of a solar inverter?: The input voltage range directly affects the performance of a solar inverter. If the input voltage falls below the minimum range, the inverter may not be able to convert the DC power from the solar panels into usable AC power efficiently or at all. On the other hand, if the input voltage exceeds the maximum range, it can potentially damage the inverter. Therefore, it is crucial to ensure that the input voltage remains within the specified range for optimal performance and longevity of the solar inverter.

Q:How do you choose the right size solar inverter for a specific solar power system?: Choosing the right size solar inverter for a specific solar power system requires careful consideration of various factors. Here are some steps to help you make the right choice: 1. Determine your solar power system's capacity: Start by calculating the total capacity of your solar power system. This involves determining the total wattage of all your solar panels combined. This information can usually be found on the product specifications or by consulting with your solar panel manufacturer. 2. Consider your average energy consumption: Assess your average energy consumption to determine the size of the solar inverter needed to meet your requirements. Consider your peak power usage and any potential future increase in energy demands. 3. Evaluate the inverter's capacity: Match the capacity of the solar inverter with your solar power system's capacity. The inverter's capacity should be equal to or slightly higher than your system's total capacity to ensure optimal performance. 4. Consider the inverter's efficiency: Look for an inverter with high efficiency ratings. A higher efficiency rating means that it can convert a larger percentage of the solar energy into usable electricity, minimizing power losses. 5. Determine the inverter type: Decide on the type of solar inverter suitable for your system. There are three main types: string inverters, microinverters, and power optimizers. String inverters are the most common and cost-effective option for small to medium-sized systems, while microinverters and power optimizers are better suited for complex installations or systems with shading issues. 6. Assess the inverter's features: Consider additional features that the solar inverter may offer. Look for features such as monitoring capabilities, grid integration capabilities, and built-in safety features like arc fault protection or rapid shutdown. 7. Consult with professionals: If you are uncertain about the right size solar inverter for your specific solar power system, it is advisable to consult with a professional solar installer or an electrical engineer. They can help assess your energy needs, system requirements, and provide expert guidance on selecting the appropriate inverter size. Remember, choosing the right size solar inverter is crucial for the overall performance and efficiency of your solar power system. Taking the time to evaluate your system's requirements and seeking expert advice will help ensure you make an informed decision.

Q:How does a solar inverter affect the overall system performance in different weather conditions?: A solar inverter plays a crucial role in the overall system performance of a solar energy system in different weather conditions. In sunny weather, the solar inverter efficiently converts the direct current (DC) generated by the solar panels into alternating current (AC), optimizing power output. However, in cloudy or overcast conditions, the solar inverter mitigates the impact of reduced sunlight by employing maximum power point tracking (MPPT) technology, ensuring that the system operates at its peak efficiency and extracts the maximum available energy from the panels. Additionally, advanced inverters can also provide grid stabilization during extreme weather events, such as storms or voltage fluctuations, safeguarding the system and enhancing its performance and reliability. Overall, a well-functioning solar inverter is essential for maximizing energy production and maintaining optimal system performance in varying weather conditions.

Q:How does a solar inverter handle different temperature conditions?: A solar inverter is designed to handle different temperature conditions by employing various thermal management techniques. It typically has built-in cooling systems such as fans or heat sinks to dissipate excess heat. Additionally, advanced inverters may employ temperature sensors to monitor the internal temperature and adjust their operations accordingly. These temperature compensation features allow the inverter to maintain optimal performance and efficiency across a wide range of temperature conditions.

Q:Are there any government incentives for installing solar inverters?: Yes, there are government incentives available for installing solar inverters. Many countries offer tax credits, grants, or rebates to encourage the adoption of solar energy. These incentives vary depending on the region and may also include net metering programs or feed-in tariffs, which allow solar system owners to sell excess electricity back to the grid. It is advisable to research and consult local government agencies or renewable energy organizations to determine the specific incentives available in your area.

Q:Can a solar inverter be used in areas with unstable grid connections?: Yes, a solar inverter can be used in areas with unstable grid connections. Solar inverters are designed to convert the DC power generated by solar panels into usable AC power for consumption or to be fed back into the grid. In areas with unstable grid connections, solar inverters can still function and provide power by utilizing battery storage systems or operating in off-grid mode. This allows for uninterrupted power supply and provides stability in areas with unreliable grid connections.

Q:Are there any specific installation requirements for solar inverters?: Yes, there are specific installation requirements for solar inverters. They need to be installed in a well-ventilated area, away from direct sunlight and extreme temperatures. Additionally, they should be mounted securely on a wall or a rack, with proper clearance for maintenance and airflow. The installation should follow electrical safety guidelines and be performed by a qualified professional.

Q:What is the difference between a grid-tied and off-grid solar inverter?: A grid-tied solar inverter is connected to the local utility grid and allows for the transfer of excess energy generated by the solar panels back to the grid. This type of inverter does not have the capability to store energy and requires a constant grid connection to function. On the other hand, an off-grid solar inverter is designed to be used in systems that operate independently from the utility grid. It is typically used in remote areas or locations where grid connection is not available. These inverters have the ability to store excess energy in batteries for later use when there is no solar generation.

Q:What is the role of a solar inverter in grid management and stability?: Solar inverters have a crucial role to play in the management and stability of the electrical grid when it comes to integrating solar power. They are responsible for converting the direct current electricity produced by solar panels into alternating current electricity that can be used by homes and businesses or fed back into the grid. When it comes to managing the grid, solar inverters are vital for maintaining its stability and reliability. They perform important functions such as voltage regulation, frequency control, and compensating for reactive power. By monitoring the grid conditions and adjusting the solar power output accordingly, inverters help to balance the supply and demand of electricity in real-time, ensuring grid stability. In addition to grid management, solar inverters also contribute to grid stability by improving the quality of power. They actively filter out harmonics, voltage fluctuations, and other electrical disturbances that can be caused by the intermittent nature of solar power generation. This ensures that the electricity generated by solar panels is of high quality and does not introduce any disruptions or damage to the electrical grid. Furthermore, solar inverters enable the seamless integration of solar power into the grid by allowing excess energy to be fed back into the system. This is known as net metering or feed-in tariff programs, which provide compensation for solar energy producers for the surplus electricity they produce. With the help of inverters, the generated solar energy can be efficiently transferred to the grid, reducing the reliance on traditional fossil fuel-based power generation and promoting renewable energy integration. In summary, the role of a solar inverter in grid management and stability is to ensure the smooth integration and optimal utilization of solar power while maintaining the stability, reliability, and quality of the electrical grid. It acts as a bridge between solar energy producers and the grid, facilitating the efficient and sustainable integration of renewable energy sources into the existing power infrastructure.

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