If you've ever wondered how an inverter works, you've come to the right place. In this video, we'll explain the working principle of an inverter and give you a detailed understanding of how it works. An inverter converts direct current (DC) to alternating current (AC) because most electronic devices need AC power, while batteries generate DC power.
To understand inverters, grasp the basics of DC and AC. Inverters convert DC input into AC output using power electronics. A basic circuit comprises a DC input source, switching circuit, transformer, and AC output circuit. The switching circuit controls DC power flow to the transformer, adjusting voltage. The AC output circuit converts the voltage to the correct waveform for the device. In the animation, when the switch is on, current induces AC voltage across the secondary winding as the magnetic field collapses. When the switch is off, another AC voltage is generated in the opposite direction. Switching current at a high frequency produces the desired oscillating AC voltage.

How an inverter works when the main AC power supply is available and when it is not available?

When available
In such a scenario, the inverter acts as a charger for the battery. It takes the AC power from the main supply and converts it into DC power using a rectifier. This DC power is then used to charge the battery. The inverter also monitors the battery's charge level and adjusts the charging rate accordingly to avoid overcharging or undercharging.
Once the battery is fully charged, the inverter switches to standby mode, waiting for a power outage or disruption. When there is a power outage, the inverter immediately switches to the battery's DC power and converts it into AC power using an inverter circuit. The AC power is then supplied to the electrical devices, providing uninterrupted power.
The inverter also has built-in protection features to prevent battery and electrical device damage. For instance, it can shut off automatically if the battery voltage drops too low or there is a short circuit or overload.

When not available

When the mains AC power supply is not available, the inverter uses a battery as its power source. The battery's DC power is sent to the inverter, converted into AC power that can power various devices. The inverter uses a complex electronic circuit to convert DC power to AC power, resembling the main AC power supply.
The inverter uses electronic components, including capacitors, transistors, and diodes, to control the DC power flow from the battery to the output AC waveform. It also includes a voltage regulator that maintains a constant voltage level to protect the connected devices from voltage fluctuations. The inverter's output AC waveform is usually a modified or pure sine wave. The modified sine wave is a stepped waveform that closely approximates the sinusoidal waveform of the main AC power supply. In contrast, the pure sine wave inverter replicates the main AC power supply waveform.
We hope that by now, you must have understood the working principle of an inverter. Inverters are necessary for many electronic devices, from laptops to solar panels. By watching this video, you will better understand how inverters work and why they are essential in modern technology.

About the Brand: Luminous Power Technologies holds the distinction of being India's foremost electrical specialist, offering an extensive range of power backup solutions and solar solutions that include inverters, batteries, solar panels, solar inverters, and batteries. With three decades of experience in the industry, our company has established a robust portfolio that caters to the diverse needs of our esteemed customers. Our workforce, comprising 6000 skilled employees, is dedicated to serving over 60,000 channel partners and millions of customers across the country. We take immense pride in our brand's ethos, which is centered around delivering exceptional customer satisfaction through innovative solutions and unwavering passion, while ensuring seamless execution and teamwork.
So, what are you waiting for? Do not let the power cut-off disrupt your daily routine! Upgrade your home with a Luminous inverter today.

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