Inventor
CUTLER JOHN H
20 patents
Patents
20 patentsUS4281276AJul 28, 1981
Dual mode AC motor drive system
GEN ELECTRIC56 citations92
US4237531ADec 2, 1980
Controlled current inverter system having semiconductor overvoltage protection
GEN ELECTRIC34 citations92
US4441064AApr 3, 1984
Twelve-pulse operation of a controlled current inverter motor drive
GEN ELECTRIC21 citations82
US4314190AFeb 2, 1982
Controlled current inverter with angle command limit
GEN ELECTRIC24 citations82
US4311951AJan 19, 1982
Apparatus and method for high slip operation of an AC electric motor at substantially zero rotation and substantially zero torque
GEN ELECTRIC20 citations82
US4280085AJul 21, 1981
Apparatus and method for providing a signal proportional to flux in an AC motor for control of motor drive current
GEN ELECTRIC22 citations82
US4183081AJan 8, 1980
Inverter system including commutation failure prevention scheme
GEN ELECTRIC20 citations82
US4589050AMay 13, 1986
Method and apparatus for the protection of a thyristor power conversion system
GEN ELECTRIC23 citations75
US4366427ADec 28, 1982
Protective method and apparatus for a controlled current inverter and motor control system
GEN ELECTRIC16 citations74
US4295086AOct 13, 1981
Method and apparatus for dynamic braking in a motor control system
GEN ELECTRIC7 citations74
US4287463ASep 1, 1981
Zero rotation and zero torque detector and method for an AC electric motor drive
GEN ELECTRIC10 citations74
US4274042AJun 16, 1981
AC Motor drive system having clamped command error signal
GEN ELECTRIC9 citations74
US4270078AMay 26, 1981
Method and apparatus for a variable frequency inverter system having commutation fault detection and correction capabilities
GEN ELECTRIC11 citations74
US4258416AMar 24, 1981
Inverter power conversion system having improved control scheme
GEN ELECTRIC9 citations74
US4247890AJan 27, 1981
Reversible inverter system having improved control scheme
GEN ELECTRIC8 citations74
US4451770AMay 29, 1984
Method and apparatus for determining the resistance of an AC motor stator
GEN ELECTRIC16 citations71
US4364007ADec 14, 1982
Unintentional impedance detection system
GEN ELECTRIC11 citations71
US4449088AMay 15, 1984
Commutation failure correction scheme for a controlled current inverter
GEN ELECTRIC4 citations63
US4302713ANov 24, 1981
Fixed gating sequence apparatus and method for an inverter
GEN ELECTRIC6 citations63
US4251763AFeb 17, 1981
Commutating capacitor charge detection circuit and method
GEN ELECTRIC5 citations63