An induction heating device, comprising: a power supply configured to output alternating current, AC, power; a rectifier configured to convert the AC power output from the power supply into direct current, DC, power; a working coil group (AWC, BWC, CWC) comprising a first working coil (WC1) and a second working coil (WC2) that are electrically connected in parallel to each other; an inverter (IV1, IV2, IV3) configured to perform a switching operation based on the DC power supplied from the rectifier to thereby supply a resonance current to at least one of the first working coil (WC1) or the second working coil (WC2); a first semiconductor switch (S1) electrically connected to the first working coil (WC1) and configured to turn on and turn off the first working coil (WC1); a second semiconductor switch (S2) electrically connected to the second working coil (WC2) and configured to turn on and turn off the second working coil (WC2); characterized in that the induction heating device further comprising: a controller configured to control operation of each of the inverter (IV1, IV2, IV3), the first semiconductor switch (S1), and the second semiconductor switch (S2), wherein the controller is configured to turn on or turn off at least one of the inverter (IV1, IV2, IV3), the first semiconductor switch (S 1), or the second semiconductor switch (S2) when an AC voltage corresponding to the AC power provided from the power supply being zero, and wherein the controller is configured to turn off the inverter (IV1, IV2, IV3) before turning off at least one of the first semiconductor switch (S1) or the second semiconductor switch (S2). a power supply configured to output alternating current, AC, power; a rectifier configured to convert the AC power output from the power supply into direct current, DC, power; a working coil group (AWC, BWC, CWC) comprising a first working coil (WC1) and a second working coil (WC2) that are electrically connected in parallel to each other; an inverter (IV1, IV2, IV3) configured to perform a switching operation based on the DC power supplied from the rectifier to thereby supply a resonance current to at least one of the first working coil (WC1) or the second working coil (WC2); a first semiconductor switch (S1) electrically connected to the first working coil (WC1) and configured to turn on and turn off the first working coil (WC1); a second semiconductor switch (S2) electrically connected to the second working coil (WC2) and configured to turn on and turn off the second working coil (WC2); characterized in that the induction heating device further comprising: a controller configured to control operation of each of the inverter (IV1, IV2, IV3), the first semiconductor switch (S1), and the second semiconductor switch (S2), wherein the controller is configured to turn on or turn off at least one of the inverter (IV1, IV2, IV3), the first semiconductor switch (S 1), or the second semiconductor switch (S2) when an AC voltage corresponding to the AC power provided from the power supply being zero, and wherein the controller is configured to turn off the inverter (IV1, IV2, IV3) before turning off at least one of the first semiconductor switch (S1) or the second semiconductor switch (S2). a controller configured to control operation of each of the inverter (IV1, IV2, IV3), the first semiconductor switch (S1), and the second semiconductor switch (S2), wherein the controller is configured to turn on or turn off at least one of the inverter (IV1, IV2, IV3), the first semiconductor switch (S 1), or the second semiconductor switch (S2) when an AC voltage corresponding to the AC power provided from the power supply being zero, and wherein the controller is configured to turn off the inverter (IV1, IV2, IV3) before turning off at least one of the first semiconductor switch (S1) or the second semiconductor switch (S2). <EOS>