Solar System

SGI-O Series Power Frequency Off-Grid Inverter Series

PWM or MPPT control algorithm, maximize the use of solar energy conversion efficiency
Integrated design of control and inverter
Pure sine wave output
Output transformer isolation, safe and stable
Excellent overload capacity
Suitable for all kinds of electrical appliances
Battery intelligent charge and discharge management, temperature compensation
Perfect protection function, over-current, short-circuit, reverse connection, over-temperature protection
LCD full screen display

Product Overview

The SGI-O Series Power Frequency Off-Grid Inverter is a highly reliable and efficient solution designed for standalone power systems. Combining advanced technology with robust engineering, it delivers clean, pure sine wave power for a variety of applications. The series is optimized to ensure maximum utilization of solar energy, making it a dependable choice for both residential and commercial off-grid installations.

Key Features

PWM or MPPT Control Algorithm: Enhances solar energy conversion efficiency by selecting the optimal power output from photovoltaic arrays.
Integrated Design: Combines control and inverter functionalities for seamless operation and compact form factor.
Pure Sine Wave Output: Provides stable and clean power, suitable for sensitive electrical appliances and equipment.
Output Transformer Isolation: Ensures safety and stability by isolating the load from the power source.
Excellent Overload Capacity: Handles high starting currents for heavy-duty appliances without compromising performance.
Battery Management: Intelligent charging and discharging with temperature compensation prolongs battery lifespan and optimizes performance.
Comprehensive Protection Features: Includes over-current, short-circuit, reverse connection, and over-temperature protection for enhanced safety.
Full-Screen LCD Display: Offers real-time monitoring of system performance, battery status, and operational parameters.

Applications

Residential Off-Grid Systems: Powers homes in remote areas with no access to the electrical grid.
Commercial and Industrial Installations: Supports off-grid applications in warehouses, factories, and small businesses.
Rural Electrification Projects: Provides reliable energy for remote villages and communities.
Backup Power Systems: Ensures uninterrupted power during grid outages or emergencies.
Recreational Use: Ideal for cabins, RVs, and off-grid vacation homes.

The SGI-O Series Power Frequency Off-Grid Inverter is engineered to provide reliable power with maximum efficiency, ensuring uninterrupted energy supply in diverse off-grid scenarios.

Techinical Information
Photos

Machine type	SG I - O500	SGI - O1K	S G I - O1 . 5K	SGI - O2K	SGI - O3K	SGI - O4K	SGI - O5K	SGI - O 6K
Rated voltage	12V / 24V		24V / 48V			48V
Battery configuration	External max 200 AH * 2 sections		External max 200 AH * 4 sections			external
Rated output power rate	400 W	800 W	1.2KW	1.6KW	2.4KW	3. 2KW	4 KW	4. 8KW
Input
Controller type	PWM / MPPT		MPP T
Maximum PV input the power	300 Wp /600 wp		1200 Wp /2400 wp			4000 Wp /8000 wp
PV input voltage range	30V / 50Vdc		50 V / 100			70 V / 1 50 Vdc
Maximum flow	30A _		50 A
Battery float charge pressure	13 . 6 V / 27 . 2 Vdc		27 . 2 V / 54 . 5 Vdc				54 . 5 V / 109 Vdc
Battery charging pressure	14.4V		28 . 8 V / 57 . 6 Vdc				57 . 6 V / 1 1 5 . 2Vdc
Output
Output voltage	220 VAC ± 3% ( other output voltages can be customized )
Output frequency	50/ 60 Hz ± 1 %
Efficiency	> 85 %	> 89 %
Waveform	pure sine wave
Other
Protection function	Overload , low voltage , surge , short circuit , overcharge , overdischarge , overtemperature , etc.
Overload capacity	105 - 120% 30 s ; 120 - 150% 10 s ; short circuit , 10 ms
Cooling method	air cooled
Communication interface	RS 485 ( option )
Voice	< 60dB
Working temperature	- 50℃∽45 ℃
High Spend	0 - 3000 M ( 1% derating per 100 m above 1000 m )
Size ( W × D × Hm m )	1 56 310 2 5 8		200 360 32 0		20046133 7

Block Diagram Details

Solar Input Section:
- Integrated PWM or MPPT controller for extracting maximum power from solar panels.
Battery Charging and Management Unit:
- Monitors and manages battery voltage, current, and temperature for safe and efficient charging.
Inverter Circuit:
- Converts DC power from batteries to pure sine wave AC output.
- Incorporates isolation transformer for enhanced safety and compatibility.
Protection Circuitry:
- Includes modules for over-current, short-circuit, reverse connection, and over-temperature protection.
User Interface Module:
- Full-screen LCD display for operational data, including system status, battery level, and power output.
Output Control Section:
- Regulates voltage and frequency to deliver stable power to connected loads.

For more information, please contact RF Point.

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