US 2018/0241196 A1 · A SMART OVERVOLTAGE PROTECTION CIRCUIT AND A METHOD THEREOF

Abstract

The present invention provides a smart overvoltage protection circuit (100) comprising an AC power line (110), at least one switch (120) connected to the AC power line (110) and an overvoltage detection module (130) connected to the at least one switch (120) and the AC power 0 line (110). Further, the overvoltage detection module (130) comprises a voltage divider (210), a sensing circuitry (220) and a control module (230) such that the voltage divider (210) is configured to divide voltage of the AC power line (110) to obtain divided voltage, the sensing circuitry (220) is configured to generate a first output signal and a second output signal 5 and the control module (230) is configured to receive the first output signal and the second output signal and turn the at least one switch (120) from a closed position to an open position in response to receiving the first output signal.

Claims14

Dependent claims

A smart overvoltage protection circuit (100) comprising:

an AC power line (110);
at least one switch (120) connected to said AC power line (110);
and
an overvoltage detection module (130) connected to said at least one switch (120) and said AC power line (110);
wherein said overvoltage detection module (130) comprises a voltage divider (210), a sensing circuitry (220) and a control module (230) such that:
said voltage divider (210) is configured to divide voltage of said AC power line (110) to obtain divided voltage;
said sensing circuitry (220) is configured to generate a first output signal indicative of said divided voltage being greater than a predetermined threshold value and a second output signal indicative of said divided voltage being smaller than said predetermined threshold value;
and
said control module (230) is configured to receive said first output signal and said second output signal and turn said at least one switch (120) from a closed position to an open position in response to receiving said first output signal.

6 more elements

A method (600) for smart overvoltage protection, comprising the steps of:

providing (610) an AC power line (110);
connecting (620) at least one switch (120) to said AC power line (110);
and
connecting (630) an overvoltage detection module (130) to said at least one switch (120) and said AC power line (110);
wherein said overvoltage detection module (130) comprises a voltage divider (210), a sensing circuitry (220) and a control module (230) such that:
said voltage divider (210) divides voltage of said AC power line (110) to obtain divided voltage;
said sensing circuitry (220) generates a first output signal indicative of said divided voltage being greater than a predetermined threshold value and a second output signal indicative of said divided voltage being smaller than said predetermined threshold value;
and
said control module (230) receives said first output signal and said second output signal and turns said at least one switch (120) from a closed position to an open position in response to receiving said first output signal.

6 more elements

Dependencies are inferred from the claim text.

A smart overvoltage protection circuit and a method thereof

Life of this patent

A smart overvoltage protection circuit and a method thereof

Life of this patent

Abstract

Claims14