Firstly an on/off grid solar inverter 4200w is an essential component of a solar power system. Also it is responsible for converting the direct current (DC) produced by solar panels into alternating current (AC) that can be used to power household appliances and other electrical loads. The first thing to remember is that there? are two main types of solar inverters: on-grid and off-grid.

Secondly an on-grid solar inverter is designed to work with a solar power system that is connected to the utility grid. It synchronizes the power produced by the solar panels with the grid frequency and voltage, but also feeds excess power into the grid. For example this type of inverter does not store excess energy and does not provide backup power during a grid outage. While on-grid inverters are the most common type of solar inverters and are suitable for residential and commercial applications.

Thirdly an off-grid solar inverter is designed to work with a solar power system that is not connected to the utility grid. It stores excess energy in a battery bank, which can be used to provide backup power during a grid outage or when there is not enough sunlight to power the system. Off-grid inverters are often used in remote locations where utility power is not available or where the cost of connecting to the grid is prohibitive.

Lastly, in summary, the choice between an on-grid and off-grid solar inverter depends on the specific needs and requirements of the solar power system. On the other hand if the system is intended to provide backup power during a grid outage, an off-grid inverter with battery storage is necessary. However, if the system is intended to reduce electricity bills and sell excess power to the grid, an on-grid inverter is the better choice.

Technical Specifications

Model: S-2142

Max PV Input power: 6500w

Rated output power: 4200w

GRID-TIE OPERATIONS

PV INPUT(DC)

Nominal DC Voltage/Maximum DC Voltage: 360VDC/500VDC

Start-up Voltage/Initial Feeding Voltage: 90VDC/120VDC

MPPT Voltage Range: 90VDC/500VDC

Maximum Solar Charge Current: 140A

Number of MPPT Trackers/Maximum Input Current: 1/27A

GRID OUTPUT (AC)

Nominal Output Voltage: 220/230/240VAC

Output Voltage Range: 195.5~253VAC

Nominal Output Current: 18.2A

Frequency Range: 49~51 ? 1Hz / 59~11 ? 1Hz

Power Factor: >0.99

OFF-GRID OPERATION

AC Startup Voltage/Auto Restart Voltage: 120-140VAC/180VAC

Acceptable Input Voltage Range: 90-280VAC or 170-280VAC

Maximum AC Input Current: 30A

Nominal Operating Frequency: 50/60Hz

Surge Power: 8400W

BATTERY MODE OUTPUT (AC)

Nominal Output Voltage: 230VAC? 5%

Output Waveform: Pure Sine Wave

Efficiency (DC to AC): 94%

BATTERY & CHARGE

Nominal DC Voltage: 24VDC

Maximum AC Charge Current: 100A

Maximum Solar Charge Current: 140A

PHYSICAL

Dimensions DxWxH(mm): 590x390x208mm

Net Weight: 10.5KG

INTERFACE

Communication Port:RS232/GPRS/WIFI

OPERATING ENVIRONMENT

Humidity : 5% to 95% Relative Humidity (Non-condensing)

Operating Temperature: -10?C~50?C

Storage Temperature: -15?C~60?C

 

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