YONGFA 1000W Inverter Review & Internal Structure || PCBway
YONGFA 1000W Inverter Review & Internal Structure || PCBway
The YONGFA 1000W inverter is a versatile device designed for converting DC power to AC power, making it suitable for a range of applications including home use, solar power systems, and more.
This inverter has several features including IPS/UPS functionality, a built-in battery charger, and USB output. In this guide, we'll cover the essential steps and considerations for making and using a YONGFA 1000W inverter.
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Key Features
- High Conversion Efficiency: Ensures optimal performance and energy savings.
- Smart Soft Start Function: Protects your devices from sudden power surges.
- Independent Input and Output: Enhances the safety and stability of the inverter.
- Universal Socket: Compatible with various plug types.
- Multiple Protections: Includes overload, overvoltage, low voltage, high temperature, and output short circuit protection (BDtronics) (CityTech BD) (Daraz).
- High Conversion Efficiency: Ensures optimal performance and energy savings.
- Smart Soft Start Function: Protects your devices from sudden power surges.
- Independent Input and Output: Enhances the safety and stability of the inverter.
- Universal Socket: Compatible with various plug types.
- Multiple Protections: Includes overload, overvoltage, low voltage, high temperature, and output short circuit protection (BDtronics) (CityTech BD) (Daraz).
Specifications
- Model: SC-1000
- Input Voltage: DC 12V
- Output Voltage: AC 230V
- Peak Power: 600W ± 5%
- Frequency: 50 ± 0.5Hz
- Waveform: Modified Sine Wave
- Efficiency: 80%
- Charging Time: Charge Current ≤10A
- Charge Efficiency: 90%
- Environment Noise: ≤45dB
- Temperature Range: 0℃ ± 40℃
- Humidity: 10% ± 90%
- Dimensions: 235 x 105 x 60mm
- Weight: 0.88kg
- Model: SC-1000
- Input Voltage: DC 12V
- Output Voltage: AC 230V
- Peak Power: 600W ± 5%
- Frequency: 50 ± 0.5Hz
- Waveform: Modified Sine Wave
- Efficiency: 80%
- Charging Time: Charge Current ≤10A
- Charge Efficiency: 90%
- Environment Noise: ≤45dB
- Temperature Range: 0℃ ± 40℃
- Humidity: 10% ± 90%
- Dimensions: 235 x 105 x 60mm
- Weight: 0.88kg
Step-by-Step Guide
Materials Needed
- YONGFA 1000W Inverter Unit: Ensure you have the correct model with all accessories included.
- DC Power Source: Typically a 12V battery or a solar power system.
- AC Devices: The appliances or devices you plan to power using the inverter.
- Connecting Cables: Appropriate cables for connecting the inverter to the power source and devices.
- YONGFA 1000W Inverter Unit: Ensure you have the correct model with all accessories included.
- DC Power Source: Typically a 12V battery or a solar power system.
- AC Devices: The appliances or devices you plan to power using the inverter.
- Connecting Cables: Appropriate cables for connecting the inverter to the power source and devices.
Installation
- Safety First: Before starting, ensure you are in a safe environment and wearing appropriate protective gear.
- Connect the Inverter to the Battery:
- Connect the positive terminal of the inverter to the positive terminal of the battery.
- Connect the negative terminal of the inverter to the negative terminal of the battery.
- Ensure all connections are secure and there is no risk of short circuits.
- Connect AC Devices:
- Plug your AC devices into the universal socket of the inverter.
- Ensure that the total power consumption of connected devices does not exceed the inverter's capacity (600W continuous, 1000W peak).
- Power On:
- Turn on the inverter using the power switch.
- Check the LED indicators to ensure the inverter is functioning correctly.
- Safety First: Before starting, ensure you are in a safe environment and wearing appropriate protective gear.
- Connect the Inverter to the Battery:
- Connect the positive terminal of the inverter to the positive terminal of the battery.
- Connect the negative terminal of the inverter to the negative terminal of the battery.
- Ensure all connections are secure and there is no risk of short circuits.
- Connect AC Devices:
- Plug your AC devices into the universal socket of the inverter.
- Ensure that the total power consumption of connected devices does not exceed the inverter's capacity (600W continuous, 1000W peak).
- Power On:
- Turn on the inverter using the power switch.
- Check the LED indicators to ensure the inverter is functioning correctly.
Using the IPS/UPS Function
- Connect the Inverter to the Battery Charger:
- Use the built-in battery charger to maintain the battery’s charge.
- The auto cut-off feature will prevent overcharging.
- USB Output:
- Use the 5V 1A USB port for charging small electronic devices such as smartphones.
- Connect the Inverter to the Battery Charger:
- Use the built-in battery charger to maintain the battery’s charge.
- The auto cut-off feature will prevent overcharging.
- USB Output:
- Use the 5V 1A USB port for charging small electronic devices such as smartphones.
Maintenance Tips
- Regular Checks: Periodically check all connections and cables for signs of wear or damage.
- Keep Clean: Ensure the inverter and surrounding area are clean and free from dust.
- Ventilation: Ensure proper ventilation to avoid overheating. Do not block the cooling fan.
- Battery Maintenance: Keep the battery in good condition to ensure optimal performance of the inverter.
- Regular Checks: Periodically check all connections and cables for signs of wear or damage.
- Keep Clean: Ensure the inverter and surrounding area are clean and free from dust.
- Ventilation: Ensure proper ventilation to avoid overheating. Do not block the cooling fan.
- Battery Maintenance: Keep the battery in good condition to ensure optimal performance of the inverter.
Troubleshooting
- No Output: Check all connections and ensure the battery is charged.
- Overheating: Ensure the inverter is in a well-ventilated area and not overloaded.
- Low Efficiency: Check the input voltage and ensure it is within the specified range (12V DC).
- No Output: Check all connections and ensure the battery is charged.
- Overheating: Ensure the inverter is in a well-ventilated area and not overloaded.
- Low Efficiency: Check the input voltage and ensure it is within the specified range (12V DC).
Internal Components
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Transformer:
- Converts the low voltage DC (12V) to high voltage AC (220V).
- Provides electrical isolation between the input and output circuits.
MOSFETs:
- Act as high-speed electronic switches in the inverter.
- Convert the DC power into an AC signal by rapidly switching on and off.
Oscillator Circuit:
- Generates the necessary frequency for the AC output, typically 50Hz or 60Hz.
- Often uses a microcontroller or an oscillator IC like the NE555.
Battery Charger:
- Integrated circuit to charge the connected battery.
- Includes features such as auto cut-off to prevent overcharging.
Voltage Regulation Circuit:
- Ensures stable output voltage despite variations in input voltage or load.
- Typically uses voltage regulators and feedback mechanisms.
Capacitors:
- Used for filtering and smoothing the output waveform.
- Ensure stable operation of the inverter by filtering out noise and spikes.
Inductors:
- Work with capacitors to filter the AC output.
- Improve the quality of the AC waveform by reducing harmonics.
Cooling System:
- Includes heat sinks and cooling fans.
- Ensures that components such as MOSFETs do not overheat during operation.
Protection Circuits:
- Protect the inverter from various faults like overvoltage, undervoltage, overload, and short circuits.
- Include components like fuses, relays, and thermal sensors.
Control and Monitoring Circuit:
- Microcontroller or dedicated IC to manage the operation of the inverter.
- Monitors input voltage, output voltage, temperature, and load conditions.
- Controls the charging process and manages protection mechanisms.
Display and Indicators:
- LED indicators or digital displays to show the operational status of the inverter.
- Provide information about battery status, load, and fault conditions.
Transformer:
- Converts the low voltage DC (12V) to high voltage AC (220V).
- Provides electrical isolation between the input and output circuits.
MOSFETs:
- Act as high-speed electronic switches in the inverter.
- Convert the DC power into an AC signal by rapidly switching on and off.
Oscillator Circuit:
- Generates the necessary frequency for the AC output, typically 50Hz or 60Hz.
- Often uses a microcontroller or an oscillator IC like the NE555.
Battery Charger:
- Integrated circuit to charge the connected battery.
- Includes features such as auto cut-off to prevent overcharging.
Voltage Regulation Circuit:
- Ensures stable output voltage despite variations in input voltage or load.
- Typically uses voltage regulators and feedback mechanisms.
Capacitors:
- Used for filtering and smoothing the output waveform.
- Ensure stable operation of the inverter by filtering out noise and spikes.
Inductors:
- Work with capacitors to filter the AC output.
- Improve the quality of the AC waveform by reducing harmonics.
Cooling System:
- Includes heat sinks and cooling fans.
- Ensures that components such as MOSFETs do not overheat during operation.
Protection Circuits:
- Protect the inverter from various faults like overvoltage, undervoltage, overload, and short circuits.
- Include components like fuses, relays, and thermal sensors.
Control and Monitoring Circuit:
- Microcontroller or dedicated IC to manage the operation of the inverter.
- Monitors input voltage, output voltage, temperature, and load conditions.
- Controls the charging process and manages protection mechanisms.
Display and Indicators:
- LED indicators or digital displays to show the operational status of the inverter.
- Provide information about battery status, load, and fault conditions.
Functional Description
Conversion Process:
- The inverter takes 12V DC from the battery and uses MOSFETs to convert it into a high-frequency AC signal.
- This signal is then stepped up to 220V AC by the transformer.
- The output is filtered and regulated to ensure a stable and clean AC waveform.
Battery Charging:
- The built-in charger draws power from an AC source to charge the connected 12V battery.
- It includes a control circuit to regulate the charging current and voltage, ensuring safe and efficient charging.
Protection Mechanisms:
- Overload protection prevents damage to the inverter if the connected load exceeds its capacity.
- Overvoltage and undervoltage protection ensure the inverter operates within safe voltage limits.
- Short circuit protection disconnects the output to prevent damage if there is a short circuit.
Conversion Process:
- The inverter takes 12V DC from the battery and uses MOSFETs to convert it into a high-frequency AC signal.
- This signal is then stepped up to 220V AC by the transformer.
- The output is filtered and regulated to ensure a stable and clean AC waveform.
Battery Charging:
- The built-in charger draws power from an AC source to charge the connected 12V battery.
- It includes a control circuit to regulate the charging current and voltage, ensuring safe and efficient charging.
Protection Mechanisms:
- Overload protection prevents damage to the inverter if the connected load exceeds its capacity.
- Overvoltage and undervoltage protection ensure the inverter operates within safe voltage limits.
- Short circuit protection disconnects the output to prevent damage if there is a short circuit.
Video Reference:
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Conclusion
The YONGFA 1000W inverter is a sophisticated device that combines power conversion, battery charging, and protection features into a single unit. Its internal components work together to provide a reliable and efficient power solution for various applications.
For further details, you can refer to the product manuals and technical specifications provided by suppliers such as CityTech BD and Daraz (CityTech BD) (Daraz).
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