Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element

M Xu, WT Pearson, Y Yao, J Lengel… - US Patent …, 2005 - Google Patents
The present invention relates to a gas turbine engine Starter-generator that, when operating
as a motor, can gen erate torque that is Sufficiently high to Start an aircraft engine. In one …

Experimental and finite-element analysis of an electronic pole-change drive

M Osama, TA Lipo - IEEE Transactions on Industry Applications, 2000 - ieeexplore.ieee.org
The theory and modeling of an electronic pole-change drive for the purpose of extending the
constant power speed range of a four-pole induction machine have been previously …

Gas turbine engine starter generator with multiple windings on each exciter stator pole

M Xu, WT Pearson, CE Anghel, N Morcov - US Patent 6,906,479, 2005 - Google Patents
A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that
has its stator windings divided into a number of sections. A plurality of switches are …

Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element

M Xu, WT Pearson, Y Yao, J Lengel… - US Patent …, 2005 - Google Patents
The present invention relates to a gas turbine engine Starter-generator that, when operating
as a motor, can gen erate torque that is Sufficiently high to Start an aircraft engine. In one …

Gas turbine engine starter generator with switchable exciter stator windings

M Xu, WT Pearson, CE Anghel, J Lengel - US Patent 6,768,278, 2004 - Google Patents
(57) ABSTRACT A rotating electrical machine, Such as an aircraft starter generator, includes
an exciter that has its Stator windings divided into a number of Sections. A plurality of …

Apparatus for continuously variable speed electric motor applications

NG Vrionis, RL Eichorn - US Patent 6,329,783, 2001 - Google Patents
US6329783B1 - Apparatus for continuously variable speed electric motor applications -
Google Patents US6329783B1 - Apparatus for continuously variable speed electric motor …

Hybrid gas turbine engine starter-generator

M Xu, MW Duddeck, WT Pearson… - US Patent …, 2006 - Google Patents
BACKGROUND An aircraft may include various types of rotating electri cal machines such
as, for example, generators, motors, and motor/generators. Motor/generators are used as …

Driving/electric-power generating system for vehicle

H Kanazawa, T Kobayashi, N Hino… - US Patent …, 2007 - Google Patents
An AC generator comprises a rotor and a stator having a three-phase winding. A three-
phase inverter is connected to the three-phase winding. Here, the three-phase winding …

Driving/electric-power generating system for vehicle

H Kanazawa, T Kobayashi, N Hino… - US Patent …, 2008 - Google Patents
US7471004B2 - Driving/electric-power generating system for vehicle - Google Patents
US7471004B2 - Driving/electric-power generating system for vehicle - Google Patents …

Rotary machine and drive system therefor

T Ito, N Kusumi, N Hino, N Kusuno, A Kothet - US Patent 9,641,034, 2017 - Google Patents
A rotary machine includes two sets of three-phase stator winding wires and two sets of
inverters connected to the same direct-current power Supply. Alternating-current ter minals …