A current source rectifier, CSR, system for a power source including three phase lines (A, B, C), the CSR system comprising: a rectifier operable to receive an alternating-current, AC, input voltage and provide a direct-current, DC, output voltage, the rectifier comprising: a first phase leg comprising first and second series-coupled switches coupled between a positive line and a negative line, wherein first and second diodes correspond with the first and second switches, and wherein a first node coupled to a first phase line of the three phase lines is directly connected between the first switch and a cathode end of the second diode; a second phase leg comprising third and fourth series-coupled switches coupled between the positive line and the negative line, wherein third and fourth diodes correspond with the third and fourth switches, and wherein a second node coupled to a second phase line of the three phase lines is directly connected between the third switch and a cathode end of the fourth diode; and a third phase leg comprising fifth and sixth series-coupled switches coupled between the positive line and the negative line, wherein fifth and sixth diodes correspond with the fifth and sixth switches, and wherein a third node coupled to a third phase line of the three phase lines is directly connected between the fifth switch and a cathode end of the sixth diode; and a controller communicatively coupled to the rectifier and operable to: define a predetermined voltage range in a memory of the controller by hysteresis; control operation of the switches in accordance with a first switching sequence when measured input voltages on at least two phase lines of the three phase lines are outside of the predetermined voltage range; and control operation of the switches in accordance with a second switching sequence when the measured input voltages on the at least two phase lines are within the predetermined voltage range. a rectifier operable to receive an alternating-current, AC, input voltage and provide a direct-current, DC, output voltage, the rectifier comprising: a first phase leg comprising first and second series-coupled switches coupled between a positive line and a negative line, wherein first and second diodes correspond with the first and second switches, and wherein a first node coupled to a first phase line of the three phase lines is directly connected between the first switch and a cathode end of the second diode; a second phase leg comprising third and fourth series-coupled switches coupled between the positive line and the negative line, wherein third and fourth diodes correspond with the third and fourth switches, and wherein a second node coupled to a second phase line of the three phase lines is directly connected between the third switch and a cathode end of the fourth diode; and a third phase leg comprising fifth and sixth series-coupled switches coupled between the positive line and the negative line, wherein fifth and sixth diodes correspond with the fifth and sixth switches, and wherein a third node coupled to a third phase line of the three phase lines is directly connected between the fifth switch and a cathode end of the sixth diode; and a first phase leg comprising first and second series-coupled switches coupled between a positive line and a negative line, wherein first and second diodes correspond with the first and second switches, and wherein a first node coupled to a first phase line of the three phase lines is directly connected between the first switch and a cathode end of the second diode; a second phase leg comprising third and fourth series-coupled switches coupled between the positive line and the negative line, wherein third and fourth diodes correspond with the third and fourth switches, and wherein a second node coupled to a second phase line of the three phase lines is directly connected between the third switch and a cathode end of the fourth diode; and a third phase leg comprising fifth and sixth series-coupled switches coupled between the positive line and the negative line, wherein fifth and sixth diodes correspond with the fifth and sixth switches, and wherein a third node coupled to a third phase line of the three phase lines is directly connected between the fifth switch and a cathode end of the sixth diode; and a controller communicatively coupled to the rectifier and operable to: define a predetermined voltage range in a memory of the controller by hysteresis; control operation of the switches in accordance with a first switching sequence when measured input voltages on at least two phase lines of the three phase lines are outside of the predetermined voltage range; and control operation of the switches in accordance with a second switching sequence when the measured input voltages on the at least two phase lines are within the predetermined voltage range. define a predetermined voltage range in a memory of the controller by hysteresis; control operation of the switches in accordance with a first switching sequence when measured input voltages on at least two phase lines of the three phase lines are outside of the predetermined voltage range; and control operation of the switches in accordance with a second switching sequence when the measured input voltages on the at least two phase lines are within the predetermined voltage range.