|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||318/40025; 318/40001; 318/40024|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 84|
A method and apparatus is disclosed for controlling a system comprising at least one electric motor. The motor drive circuit includes a reconfigurable active snubber. Under given resonance conditions, the active snubber is configured to use a resistive element to dissipate electrical transients across the commutation circuit.
What is claimed is: 1. An active electrical protection apparatus for damping electrical transients in a control circuit of an electrical machine having phase windings driven using a commutation circuit and powered through a power supply line, the apparatus comprising:a power dissipating circuit arranged in parallel with said commutation circuit and configured to dissipate power on the power supply line, the power dissipating circuit having a resistive element and a first switch configured to switchably connect said resistive element to the power supply l...