• Photovoltaic Inverter 50KW Off Grid Three Phase System 1
  • Photovoltaic Inverter 50KW Off Grid Three Phase System 2
Photovoltaic Inverter 50KW Off Grid Three Phase

Photovoltaic Inverter 50KW Off Grid Three Phase

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Payment Terms:
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Min Order Qty:
50000 watt
Supply Capability:
3000000 watt/month

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1. Structure of Photovoltaic Inverter 50KW Off Grid Three Phase

A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a

 utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network. It is

a critical 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.

 

2. Main Features of Photovoltaic Inverter 50KW Off Grid Three Phase

• using IGBT from Mitsubishi company as the power components
•using American ATEMEL company microprocessor as figure controller
• perfect protection and warning functions
• circuit frame compact,Max. Efficiency≥94%
• with wide input voltage range
• RS232/485 communication,multi communication interface can be selected
•big-screen English LCD, perfect display, interface-friendly

 

3. Photovoltaic Inverter 50KW Off Grid Three Phase Images

 

 

4. Photovoltaic Inverter 50KW Off Grid Three Phase Specification

窗体顶端

50KVA off grid three phase inverter technical parameters

窗体底端

Type

ND220-50KS

ND380-50KS

DC input

Input rated voltage

220 VDC

380 VDC

Input rated current

227 A

132 A

Input DC voltage range

180-300 VDC

300-490VDC

 

Allow input voltage   range

220 VAC / 380 VAC   / 400 VAC ± 15% VAC

AC input

Input rated current

139A / 76A / 72.5A

 

Bypass transfer time

4 ms

AC output

Rated capacity

50KVA

Output rated power

40KW

Output rated voltage   and frequency

220 VAC / 380 VAC   / 400 VAC,50Hz / 60Hz

Output rated current

139A / 76A / 72.5A

Output voltage accuracy

220 VAC / 380 VAC   / 400 VAC ± 2%

Output frequency   accuracy

50Hz / 60Hz ±0.05%

Waveform distortion   (THD).   (Linear load)

≤3%

Dynamic response time   (Load 0←→100%)

2ms

Power factor (PF)

0.8

Overload capacity

120%,3 minutes,150%,10 second

Crest factor (CF)

3:01

Inverter efficiency

94%

Working Environment

Dielectric strength

1500VAC,1minute

Noise (1m)

≤50dB

Ambient temperature

-10~+50

Humidity

0~90%,No condensation

Altitude

≤5000 m

Production function

Input reverse   protection, input under-voltage protection, output overload protection,   output short circuit protection, thermal protection

 

 

5. FAQ of Photovoltaic Inverter 50KW Off Grid Three Phase

Q1:Can we visit your factory?

A1:Sure,welcome at any time,seeing is believing.

Q2:Which payment terms can you accept?

A2:T/T,L/C,Moneygram,Paypal are available for us.

 

 

Q:Can I connect solar panels directly to the grid without an inverter?
No, you cannot connect solar panels directly to the grid without an inverter. An inverter is necessary to convert the DC (direct current) output from solar panels into AC (alternating current) that is compatible with the grid.
Q:What is the maximum DC voltage that a solar inverter can handle?
The maximum DC voltage that a solar inverter can handle varies depending on the specific model and design. However, in general, most solar inverters can handle DC voltages up to 1000V or higher. It is important to consult the manufacturer's specifications to determine the maximum DC voltage capacity of a particular solar inverter.
Q:Can a solar inverter be used with building-integrated photovoltaics (BIPV)?
Yes, a solar inverter can be used with building-integrated photovoltaics (BIPV). In fact, a solar inverter is an essential component of any BIPV system as it converts the direct current (DC) generated by the BIPV panels into alternating current (AC) that can be used to power electrical devices in a building or fed back into the grid.
Q:Can a solar inverter be used with a solar-powered security system?
Yes, a solar inverter can be used with a solar-powered security system. A solar inverter is responsible for converting the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices. In the context of a solar-powered security system, a solar inverter is essential for converting the energy generated by solar panels into usable power to operate the security system's components, such as cameras, sensors, alarms, or communication devices. Therefore, integrating a solar inverter is crucial to ensure the functionality of a solar-powered security system.
Q:What is the efficiency loss of a solar inverter over time?
The efficiency loss of a solar inverter over time is typically minimal, with modern inverters designed to maintain high conversion efficiency throughout their lifespan. However, some gradual degradation may occur due to factors such as aging components or environmental factors, resulting in a slight decrease in efficiency over the years. Regular maintenance and monitoring can help mitigate potential efficiency losses and ensure optimal performance.
Q:Can a solar inverter be used with different types of tracking systems?
Yes, a solar inverter can be used with different types of tracking systems. The function of a solar inverter is to convert the DC (direct current) generated by the solar panels into AC (alternating current) that can be used to power electrical devices. As long as the tracking system is capable of generating DC power from the solar panels, the solar inverter can be used to convert it into usable AC power.
Q:How does a solar inverter handle voltage sag and swell?
A solar inverter handles voltage sag and swell by utilizing its power conditioning capabilities. When it detects a voltage sag (a temporary decrease in voltage), the inverter adjusts its internal control algorithms to provide a stable and consistent output voltage to the connected loads. Similarly, in the case of voltage swell (a temporary increase in voltage), the inverter modifies its operation to prevent overvoltage conditions and ensure a safe and regulated output. Through continuous monitoring and intelligent control, a solar inverter effectively manages voltage fluctuations to maintain stable power delivery.
Q:How does the weight of a solar inverter affect its installation process?
The weight of a solar inverter can affect its installation process in a few ways. Firstly, a heavier inverter may require additional structural support or mounting equipment to ensure it is securely installed. This could involve reinforcing the mounting surface or using specialized brackets or racks. Secondly, the weight of the inverter may impact the ease of handling and maneuvering during installation, especially if it needs to be installed in elevated or hard-to-reach areas. Lastly, the weight can also impact the overall logistics of the installation, including transportation, lifting, and positioning of the inverter.
Q:Can a solar inverter be used with a solar-powered greenhouse system?
Yes, a solar inverter can be used with a solar-powered greenhouse system. A solar inverter converts the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices in the greenhouse system. This allows for efficient utilization of solar energy for various applications such as lighting, ventilation, irrigation, and temperature control within the greenhouse.
Q:Can a solar inverter be used in off-grid systems?
Yes, a solar inverter can be used in off-grid systems. In fact, it is an essential component of off-grid solar systems. The solar inverter is responsible for converting the DC power generated by the solar panels into AC power that can be used to run household appliances and charge batteries. This allows off-grid systems to store excess energy for use during periods of low sunlight, providing a reliable source of electricity even when disconnected from the grid.

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