公开(公告)号：US11289948B2

公开(公告)日：2022-03-29

申请号：US16616914

申请日：2018-04-19

Applicant: General Electric Company

Inventor： Viswanathan Kanakasabai ,  Suma Memana Narayana Bhat ,  Arun Kumar Raghunathan ,  Rahul Bhujade ,  Satishbabu Bhogineni ,  Somakumar Ramachandrapanicker

IPC: H02J3/02 ,  H02J50/12 ,  H02J50/90 ,  H02J50/60 ,  H02J50/40 ,  H02J7/02

Abstract: A wireless charging device includes a driver unit configured to generate one of a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Also, the wireless charging device includes a transmitting unit having a first coil and a first capacitor and configured to transmit the first AC voltage signal. Further, the transmitting unit includes a second coil and a second capacitor and configured to transmit the second AC voltage signal. Additionally, the wireless charging device includes a control unit configured to detect a first receiver device operating at the first frequency based on a change in a first voltage in the transmitting unit, and detect a second receiver device operating at the second frequency based on a change in a second voltage in the transmitting unit.

公开(公告)号：US10998822B2

公开(公告)日：2021-05-04

申请号：US16616395

申请日：2018-04-19

Applicant: General Electric Company

Inventor： Viswanathan Kanakasabai ,  Satishbabu Bhogineni ,  Rahul Bhujade ,  Arun Raghunathan ,  Suma Memana Narayana Bhat ,  Somakumar Ramachandrapanicker

IPC: H02M3/335 ,  H02J50/40 ,  H02M7/5387 ,  H02J50/10 ,  H04B5/00

Abstract: A power transfer device and an associated method thereof are disclosed. The power transfer device includes a driver unit having a plurality of converters. The driver unit includes a plurality of legs forming ones of the plurality of converters, such that at least one leg of a first converter of the plurality of converters is common to a second converter of the plurality of converters. Each converter of the plurality of converters includes an output terminal. The driver unit may include a plurality of transmitter coils. In some implementations, a different transmitter coil is coupled to each output terminal of a respective converter.

公开(公告)号：US10978880B2

公开(公告)日：2021-04-13

申请号：US14878554

申请日：2015-10-08

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Arun Kumar Raghunathan ,  Somakumar Ramachandrapanicker ,  Suma Memana Narayana Bhat ,  Rijin Saseendran ,  Adnan Kutubuddin Bohori ,  Dinkar Agrawal

IPC: H02J50/12 ,  H02J5/00 ,  H02J7/02 ,  H01F38/14 ,  H02J50/40 ,  H02J50/80 ,  H02J7/00

Abstract: A system including a primary coil assembly is provided. The primary coil assembly is configured to operate at a first resonant frequency having a first bandwidth; wherein a difference between the first resonant frequency and a system frequency is at least two times the first bandwidth, where the first resonant frequency is selected such that upon energizing the primary coil assembly at the system frequency, a primary current is induced in the primary coil assembly, which is at least ten times lesser than a system current.

公开(公告)号：US20180048157A1

公开(公告)日：2018-02-15

申请号：US15236574

申请日：2016-08-15

Applicant: General Electric Company

Inventor： Amol Rajaram Kolwalkar ,  Somakumar Ramachandrapanicker ,  Arvind Kumar Tiwari ,  Subbarao Tatikonda

IPC: H02J3/38 ,  H02J7/35 ,  H02P9/00

CPC classification number: H02J3/381 ,  H02J3/383 ,  H02J3/386 ,  H02J7/35 ,  H02P9/007 ,  H02P2207/073 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E10/763

Abstract: A power generation system is disclosed. The power generation system includes a doubly-fed induction generator (DFIG) coupled to a variable speed engine and a photo-voltaic (PV) power source. The DFIG includes a generator to generate a first electrical power based at least partially on an operating speed of the variable speed engine. The PV power source may supply a second electrical power to a Direct Current (DC) link between a rotor side converter and a line side converter of the DFIG. The generator and the line side converter are coupled to an electric grid and/or a local electrical load to supply the first electrical power and at least a portion of the second electrical power to the local electrical load.

公开(公告)号：US09606022B2

公开(公告)日：2017-03-28

申请号：US14211313

申请日：2014-03-14

Applicant: General Electric Company

Inventor： Ajith Kumar ,  Somakumar Ramachandrapanicker ,  Paul Flynn ,  Arijit Banerjee ,  Rupam Mukherjee

IPC: G01M15/02 ,  B61C17/12

CPC classification number: G01M15/02 ,  B61C17/12

Abstract: Diagnosing equipment coupled to a generator. A condition of the equipment is diagnosed based on information provided by signals from a generator operationally connected to the equipment or other signals associated with an engine. Different types of degradation are distinguished based on discerning characteristics within the information. Thus, a degraded equipment component can be identified in a manner that reduces service induced delay.