Safety Guard
The time delay circuit is designed to safeguard sensitive electronic devices from immediate power surges that can occur when the power supply is restored. It operates by incorporating a delay mechanism that ensures a brief waiting period before the appliances are powered on. This delay allows any transient voltage spikes to dissipate, thus preventing potential damage to the connected devices.
The circuit typically consists of a relay, a resistor-capacitor (RC) timing network, and a diode for flyback protection. Upon receiving power, the RC network begins charging, and the time delay is determined by the values of the resistor and capacitor. Once the voltage across the capacitor reaches a certain threshold, it activates the relay, closing the circuit and supplying power to the connected appliances.
Additionally, a diode is placed in parallel with the relay coil to protect the circuit from back EMF generated when the relay is de-energized. This protection is crucial for maintaining the integrity of the control circuitry.
Overall, this time delay circuit is an effective solution for enhancing the reliability and longevity of home appliances by mitigating the risks associated with voltage spikes during power restoration.Protect your home appliances from voltage spikes with this simple time delay circuit. Whenever power to the appliances is switched on or resumes after mai.. 🔗 External reference
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