What is inverter pcb?
AC inverters Typically, a PCB board is a PCB that has multiple inputs and high-voltage outputs. Alternating current (AC) is a type of current that periodically changes in strength and direction. The running average of an AC PCB board is zero over time. Its direction fluctuates over time, unlike direct current.
Safety Requirements of inverter pcb
Temperature Rise: determining whether extremely high temperatures, which could pose risks to human safety and regular operation, will occur in components, whether they are operating normally or have a single problem.
In order for an inverter ac PCB to prevent itself from the ignition and be the cushion and prevention of fire spread when other components are on fire, it is necessary to test whether or not the inner components, such as inverter transformers and PCBs, which can easily generate high temperatures, are fireproof.
Dielectric Withstanding Voltage: This test determines whether the inverter transformer’s insulation can sustain high voltages without having an adverse effect on the low-voltage input.
Current-limiting Circuit: The LCD panel’s inverter PCB board generates high voltage and power for the modulator tubes. In the event that the LCD is damaged, it is possible for the user to come into contact with the voltage produced by the inverters. We are unable to directly reduce the output voltage in such a situation; instead, we must restrict the current to protect user safety. As a result, testing based on the current limiting circuit are crucial for evaluating the safety of a device. Current-limiting tests must be performed on the inverter if a company reports related information about an inverter of an inverted PCB.
Inspection of inverter PCB
Circuit board circuits use both AC and DC currents, which have various functions inside the circuit. Their primary distinction is that while DC circuits do not convert direction lines, AC circuits do. However, in circuits that are not purely resistive, where capacitance and inductance are present, the capacitance and inductance of the two kinds of circuits are not identical, creating a difference between AC circuits and DC circuits.
When current flows through a diode, it changes from AC to DC. AC is the current from the transformer on the board. If a voltmeter is not present on the circuit board, the general way for determining if there is AC or DC in this circuit at this time is to check to see if a rectifier diode is there.
Now that the rectifier circuit is primarily bridge rectifier, if the circuit has a “full bridge,” then in the “full bridge” before the AC power. If you find no rectifier diode, in this case the circuit is no AC, the board up is DC. following the DC, in the “full bridge.”
The major factor in determining if a line board is AC or DC is whether a rectifier diode is present. Since there are numerous ways to assess whether a circuit is AC or DC, it can take a while to gather enough information to make an accurate determination.
Working Principle of inverter PCB
The system’s overall operation is managed by the inverter circuit board via a control circuit. The filter circuit is used to remove any undesired signals from the inverter circuit’s conversion of DC to AC. The inverter circuit board’s work can also be improved in the manner described below: The oscillation circuit converts DC to AC initially, the coil boost transforms irregular AC into square wave AC, and the rectification transforms square wave AC into sinusoidal AC.
The opposite of a rectifier, an inverter is a device that converts DC power into AC power. Inverter circuits are frequently employed in industry and can be utilized to create several types of AC power sources.
Design of Inverter pcb
Inverter ac pcb board design typically begins with three steps:
- Choose the topology based on the required output and power level. Additionally, choose the circuit settings for every component based on the unique design requirements, then create the schematic diagram and run the simulation.
- Create the printed board through the manufacturer after drawing the inverter ac pcb board.
- Run tests and debug the board. The switching tube voltage stress and power loss, bus filter capacitor capacitance, output LC filter parameter design, and pi parameter change in the control loop are some of the inverter’s common parameters in step 1.
Working environment and notice:
working environment: no water immersion or rain. temperature between 0℃ and 40℃. keep no foreign objects within 5cm, and other ends are well ventilated.
The inverter ac pcb board needs to be positioned in a dry, ventilated area that is shielded from rain, more than 20 cm away from any nearby objects, and away from explosive and combustible materials.
Use a temperature of no more than 40°C for the ambient air and avoid placing or covering anything else on the machine.
Charging and inverting cannot be done simultaneously.
It indicates that the inverter cannot be charged by plugging it into the inverter’s electrical circuit.
To keep the inverter ac pcb board tidy and clean, please wipe with a dry towel or an anti-static cloth.
Main Board Interface Description
- Switch: Connect a small switch to control startup or standby.
- Indicator lights: Standby or boot instructions
- DC Indicator: DC Voltmeter
- Fan: 12V0.2A fan
- Feedback: Transformer High Voltage End Feedback Back to Main Board
- AC Instruction: Connect AC Voltmeter
The main board configuration transformer changes as follows:
- 12V motherboard with 220V to 6V-7V transformer
- 24 motherboard with 220V to 12V-14V transformer
- 36V Main Board with 220V to 18V-21V Transformer
- 48V Main Board with 220V to 24V-28V Transformer
- 60V motherboard with 220V to 30V-35V transformer
- 72V Main Board with 220V to 36V-42V Transformer
This motherboard uses Xuanbo power frequency inverters only. In order to produce 220V positive Xuanbo AC inverters, it requires an external power frequency transformer. High load current, low temperature increase, and resistance to damage are just a few of the benefits of the high-power MOS transistor packaged in a TO-247 package. Customers can select the right motherboard based on their own demands from a range of voltage ranges for the inverter fitted battery, including 12V, 24V, 36V, 48V, and 60V. After being purchased, the board can be utilized with the appropriate power frequency transformers and batteries to achieve long-term work.
This version has automated voltage stabilization, undervoltage, overvoltage, short circuit, overload, and overheat protection, among other features. The circuit operates steadily and reliably, providing ideal safety for your electrical equipment. It is a very good main board of strange and positive power frequency wave inverters.
Wholepcb are an Inverter pcb manufacturer, we supply verious types of Inverter pcb and provide custom PCB service.
We can provide you high-frequency off-grid inverter, smart charger, solar inverter, new energy battery charger, switching power supply, dc regulated power supply, high power adjustable power supply, waterproof, waterproof power inverter, solar controller, car inverter, pure sine wave inverter and modified wave inverter, square wave inverter, UPS inverter, UPS power supply, etc.
At the same time, we provide inverter PCBA motherboard design, control circuit research and development, outdoor energy storage supporting solutions, off-grid power station solutions, as well as pure sine wave bare board, square wave bare board research and development and manufacturing.
Our Certification: Implementation of IATF16949 management system, ISO9001 management system, passed the BSCI factory inspection, Amazon Amazon brand supplier factory inspection, CE, RoHS, REACH, E-Mark certification, with TUV, SGS and other certification institutions laboratory maintained perennial cooperation. At the same time, it is also a first-class supplier for many well-known domestic Oems and group companies.
PCBA customization service for inverters
Input range: according to customer battery pack, such as lithium battery pack 11-16V or 20-30V
Multiple output: 200V mains output, USB output, 12V/24V DC output, etc
Power range: 150W-1000W, 1200W-3000W, 3500W and above
Output waveform: pure sine wave, modified sine wave, square wave
Installation size: regular size or custom size according to customer installation
No-load current: Optimize according to customer’s battery capacity to reduce no-load loss
Protection function: overvoltage, undervoltage, overcurrent, overload, high temperature, high pressure, reverse connection, short circuit
Heat dissipation system: can be equipped with heat dissipation modules or intelligent temperature control fans
Certification report: Supports EMC/LVD certification, which needs to be customized and optimized
Off-grid solar energy: Support the customization of the MPPT motherboard of the off-grid solar energy system
Charging inverter integrated: support charging inverter integrated motherboard customization, with charging, automatic switching, inverter three functions.
Welcom to contact us, for interver PCB board price, our customer service email: sales@intopcb.com , whatsapp: +86 13 31 66 40 182