Three-Phase Stabilized Power Supply With Fully-automatic Compensation

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China main port
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TT or LC
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1 pc
Supply Capability:
1000 pc/month
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SBW 20-320KVA    

 

SBW Three-Phase Stabilized Power Supply with fully-automatic compensation is suitable for the electric network with unbalanced three-phase voltage inputs. It can balance three-phase outputs automatically and maintain the output in good condition during the fluctuation of electric network and load.

   

 

Model

SBW (Independent regulator voltage)

SBW(Dependent regulator voltage)

VA Rating

20KVA

30KVA

50KVA

100KVA

50KVA

100KVA

180KVA

225KVA

320KVA

Input

Phase

Three Phase+N+GND

Voltage Range

Phase voltage 220V±20%、Line voltage 380V±20%

Output

Voltage Range

220V AC (Phase Voltage)、380V AC (Line voltage)

Voltage Precision

≤±3%

2%~5% (adjustable)

Frequency

50/60Hz

Efficiency

≥95%

Others

Protection

Overvoltage, overcurrent, loss of phase, phase-sequence and mechanical failure protection

Noise(dB)

50

Display Mode

LED Indicator Light; Pointer voltmeter

Input/Output Connection

Terminal Block

Waveform Distortion

No additional waveform distortion

Response Time

≤1.5s(External voltage change 10%)

Insulation Resistance

≥2MΩ

Dielectric Strength

Low frequency sine voltage 1500 for 1 minute (without the phenomena of breakdown and flashover)

Overload Capacity

120% of rating current >10s

Ambient Temperature

-10℃~+40℃

Relative Humidity

20%~85%

Working

Continuing Working

Dimension(W×D×H)mm

730x485x1110

810x570x1410

990x620x1530

800x600x1520

900x700x1660

1100x835x1830

1100x850x1830

1240x900x2109

Net Weight (kg)

160

185

245

410

280

415

645

765

945

Packing Dimension(W×D×H)mm

780x555x1160

860x640x1460

1040x690x1580

850x670x1570

950x770x1710

1150x905x1880

1150x920x1880

1290x970x2159

Gross Weight (kg)

175

200

266

435

310

439

673

810

995

·         Q. What is an UPS and What it is for ?

An uninterruptible power supply (UPS) is a device that allows your computer or telephone switch or critical equipement to keep running for at least a short time or longer time when the primary power source is lost. It also provides protection from power surges, spikes, brownouts, interference and other unwanted problems on the supported equipment.

·         Q. How long the UPS to run when power goes?

This can take 3 paths.
1.You can pick a UPS that is rated for pretty much the full VA you need so it will be running at 100% of capability and will thus last 'n' minutes.
2.You can pick a UPS that is rated at a much higher VA value than you really need so, for example, is running at 50% of capability and will thus last for longer than the UPS from option 1.
3You can use extra external battery packs to run for longer. If charging capability allows, the more and the bigger batteries you take with, the longer time UPS runs. 
or using a generator after about 6 hours, it will be more cost-effective, with a short runtime UPS to bridge the generator start-up gap.

Q:
Installing a solar inverter in a multi-storey building is indeed possible. The process of installation in such a building is similar to that in any other structure. Usually, the solar panels are placed on the rooftop or another open area that allows for maximum sunlight exposure. The solar inverter then converts the DC power generated by the panels into AC power. In a multi-storey building, the solar inverter can be positioned either on the rooftop or in a dedicated room or space on one of the floors. Factors like accessibility, ventilation, and proximity to the solar panels should be considered when deciding where to install it. Compliance with local building codes and regulations is crucial to ensure the inverter is placed in a safe and secure location. Furthermore, proper installation of the wiring and cabling necessary for connecting the solar panels to the inverter is essential. The vertical distance between the panels and the inverter should be taken into account. Additionally, precautions must be taken to prevent any harm or electrical risks during the installation process. By carefully planning and using appropriate installation techniques, a solar inverter can be readily installed in a multi-storey building. This installation will enable the utilization of solar energy and reduce electricity costs for the building's residents or occupants.
Q:
The common maintenance requirements for a solar inverter include regular inspections to ensure proper functioning, cleaning of the unit and its components to remove dust and debris, checking and tightening of electrical connections, monitoring for any signs of damage or wear, and updating firmware or software as needed. Additionally, keeping the inverter's surrounding area clean and free from obstructions is also important for optimal performance.
Q:
The maximum AC current output of a solar inverter depends on its size and rating. It can range from a few amps to several hundred amps, typically ranging between 5-100 amps for residential inverters and going up to higher currents for commercial or utility-scale inverters.
Q:
A solar inverter can often be repaired instead of being replaced, depending on the extent of the damage.
Q:
Typically, a solar inverter requires its own grounding system. This is because the solar panels produce DC electricity, which needs to be converted to AC electricity by the inverter. The AC electricity is then either sent to the electrical grid or used within the building. Grounding is crucial for safety and proper functioning. In a solar power system, the grounding system provides a safe path for electrical current in case of faults like short circuits or lightning strikes. To prevent electrical shock hazards and comply with safety standards, a separate grounding system for the solar inverter is necessary. It safeguards the equipment, the building, and the people using or working on the system. The specific grounding requirements for a solar inverter may vary depending on local electrical codes and regulations. It is important to seek guidance from a qualified electrician or solar installer to ensure that the grounding system is designed and installed correctly for optimal safety and performance.
Q:
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:
The main difference between a string inverter and a microinverter lies in the way they convert direct current (DC) from solar panels to alternating current (AC) for use in homes or businesses. A string inverter is a centralized device that connects multiple solar panels in a series or "string" configuration. It converts the combined DC power from the entire string into AC power. This means that if one panel in the string underperforms or is shaded, it can affect the overall performance of the entire string. On the other hand, a microinverter is a small inverter that is attached to each individual solar panel. It converts the DC power from each panel into AC power independently. This allows each panel to perform optimally, even if others in the system are shaded or experiencing issues. In summary, while a string inverter handles the conversion of power from multiple panels as a whole, a microinverter ensures each panel operates at its maximum potential independently.
Q:
Yes, a solar inverter can be used in a net metering system. A solar inverter is an essential component of a net metering system as it converts the direct current (DC) produced by the solar panels into alternating current (AC) that can be used to power homes or businesses. It also allows for any excess electricity generated to be fed back into the grid, earning credits or reducing the electricity bill through the net metering arrangement.
Q:
Yes, a special inverter is required for a battery storage system. Unlike traditional solar inverters that convert DC power from solar panels into AC power for immediate use or for feeding back into the grid, a battery storage system inverter is designed to manage the charging and discharging of the batteries. It ensures that the stored energy is used efficiently and safely, and allows for backup power during grid outages.
Q:
Solar inverters typically have a lifespan of 10 to 15 years, but this can vary depending on factors such as quality, maintenance, and usage.

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