Patents by Inventor Radnya Anant Mukhedkar
Radnya Anant Mukhedkar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11837867Abstract: The present invention provides a high voltage direct current (HVDC) transmission system (300, 600) comprising: a first station (102) comprising series-connected first and second HVDC converters (110, 130); a second station (104) comprising series-connected third and fourth HVDC converters (150, 170), wherein a neutral node (164) coupling the third HVDC converter (150) to the fourth HVDC converter (170) is coupled to earth; a first transmission line (200) connecting a positive node (114) of the first HVDC converter (110) to a corresponding positive node (154) of the third HVDC converter (150), wherein a first pole (240) of the system (300, 600) comprises the first HVDC converter (110), the third HVDC converter (150) and the first transmission line (200); a second transmission line (210) connecting a negative node (138) of the second HVDC converter (130) to a corresponding negative node (178) of the fourth HVDC converter (170), wherein a second pole (250) of the system (300, 600) comprises the second HVDC conveType: GrantFiled: April 11, 2019Date of Patent: December 5, 2023Assignee: General Electric Technology GmbHInventors: Chandra Mohan Sonnathi, Radnya Anant Mukhedkar, Jordann Raymond Martial Brionne, Damien Pierre Gilbert Fonteyne
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Patent number: 11777401Abstract: A converter including a first terminal and a second terminal, the first terminal configured for connection to a first network, the second terminal configured for connection to a second network; at least one switching module arranged to interconnect the first terminal and the second terminal, the switching module including at least one module switching element and at least one energy storage device, the module switching element and the energy storage device arranged to be combinable to selectively provide a voltage source, the switching module switchable to control a transfer of power between the first and second networks; the switching module including a discharge circuit, the discharge circuit including a discharge switching element and a discharge resistor, the discharge switching element switchable to switch the corresponding discharge resistor into and out of the corresponding switching module; and a controller configured to selectively control the switching of the discharge switching element.Type: GrantFiled: March 7, 2019Date of Patent: October 3, 2023Assignee: General Electric Technology GmbHInventors: Chandra Mohan Sonnathi, Radnya Anant Mukhedkar, Rajaseker Reddy Ginnareddy
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Patent number: 11770005Abstract: This application relates to methods and apparatus for handling a fault associated with a voltage source converter (VSC) for exchanging electrical power between an AC system (101, 102) and a DC system (106-1, 106-2). The VSC (104) is connected to the AC system via an interface apparatus, comprising a transformer (107) with a set of primary windings (202) for coupling to a plurality of AC phases (A, B, C) of the AC system. In embodiments of the disclosure the set of primary windings having a neutral point (N) and the interface apparatus includes a fault module (301) having an energy storage element (302) connected in parallel with a resistive element (303) between the neutral point of the set of primary windings and a reference voltage, such as ground.Type: GrantFiled: February 12, 2019Date of Patent: September 26, 2023Assignee: General Electric Technology GmbHInventors: Radnya Anant Mukhedkar, Chandra Mohan Sonnathi
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Publication number: 20220109364Abstract: A converter (20) comprises: a first terminal and a second terminal (24,26), the first terminal (24,26) configured for connection to a first network, the second terminal (34) configured for connection to a second network (40); at least one switching module (44) arranged to interconnect the first terminal (24,26) and the second terminal (34), the or each switching module (44) including at least one module switching element (46) and at least one energy storage device (48), the or each module switching element (46) and the or each energy storage device (48) in the or each switching module (44) arranged to be combinable to selectively provide a voltage source, the or each switching module (44) switchable to control a transfer of power between the first and second networks (40); the or each switching module (44) including a discharge circuit, the or each discharge circuit including a discharge switching element (50) and a discharge resistor (52), the or each discharge switching element (50) switchable to switchType: ApplicationFiled: March 7, 2019Publication date: April 7, 2022Inventors: Chandra Mohan Sonnathi, Radnya Anant Mukhedkar, Rajaseker Reddy Ginnareddy
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Patent number: 11251722Abstract: A converter scheme (30) comprises a plurality of poles and a plurality of converters (32), the plurality of poles (60,62,64) including at least one positive pole (60), at least one negative pole (62) and a neutral pole (64), the plurality of converters (32) including at least one first converter (32a) and at least one second converter (32b), the or each first converter (32a) connected to the neutral pole (64) and the or the respective positive pole (60), the or each first converter (32a) operable to control a converter voltage across the neutral pole (64) and the corresponding positive pole (60), the or each second converter (32b) connected to the neutral pole (64) and the or the respective negative pole (62), the or each second converter (32b) operable to control a converter voltage across the neutral pole (64) and the corresponding negative pole (62), wherein the converter scheme (30) includes a controller (36) programmed to perform a voltage control mode when there is an imbalance between power or currentType: GrantFiled: October 5, 2018Date of Patent: February 15, 2022Assignee: General Electric Technology GmbHInventors: Radnya Anant Mukhedkar, Gearoid Sean O'Heidhin, Amit Kumar
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Publication number: 20210359617Abstract: There is provided an electrical assembly (20) for interconnecting first and second networks (40).Type: ApplicationFiled: March 20, 2019Publication date: November 18, 2021Inventors: Chandra Mohan Sonnathi, Radnya Anant Mukhedkar, Rajaseker Reddy Ginnareddy, Amit Kumar, Damien Pierre Gilbert Fonteyne
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Publication number: 20210119444Abstract: The present invention provides a high voltage direct current (HVDC) transmission system (300, 600) comprising: a first station (102) comprising series-connected first and second HVDC converters (110, 130); a second station (104) comprising series-connected third and fourth HVDC converters (150, 170), wherein a neutral node (164) coupling the third HVDC converter (150) to the fourth HVDC converter (170) is coupled to earth; a first transmission line (200) connecting a positive node (114) of the first HVDC converter (110) to a corresponding positive node (154) of the third HVDC converter (150), wherein a first pole (240) of the system (300, 600) comprises the first HVDC converter (110), the third HVDC converter (150) and the first transmission line (200); a second transmission line (210) connecting a negative node (138) of the second HVDC converter (130) to a corresponding negative node (178) of the fourth HVDC converter (170), wherein a second pole (250) of the system (300, 600) comprises the second HVDC conveType: ApplicationFiled: April 11, 2019Publication date: April 22, 2021Inventors: Chandra Mohan SONNATHI, Radnya Anant MUKHEDKAR, Jordann Raymond Martial BRIONNE, Damien Pierre Gilbert FONTEYNE
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Publication number: 20200395757Abstract: This application relates to methods and apparatus for handling a fault associated with a voltage source converter (VSC) for exchanging electrical power between an AC system (101, 102) and a DC system (106-1, 106-2). The VSC (104) is connected to the AC system via an interface apparatus, comprising a transformer (107) with a set of primary windings (202) for coupling to a plurality of AC phases (A, B, C) of the AC system. In embodiments of the disclosure the set of primary windings having a neutral point (N) and the interface apparatus includes a fault module (301) having an energy storage element (302) connected in parallel with a resistive element (303) between the neutral point of the set of primary windings and a reference voltage, such as ground.Type: ApplicationFiled: February 12, 2019Publication date: December 17, 2020Inventors: Radnya Anant Mukhedkar, Chandra Mohan Sonnathi
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Publication number: 20200266721Abstract: A converter scheme (30) comprises a plurality of poles and a plurality of converters (32), the plurality of poles (60,62,64) including at least one positive pole (60), at least one negative pole (62) and a neutral pole (64), the plurality of converters (32) including at least one first converter (32a) and at least one second converter (32b), the or each first converter (32a) connected to the neutral pole (64) and the or the respective positive pole (60), the or each first converter (32a) operable to control a converter voltage across the neutral pole (64) and the corresponding positive pole (60), the or each second converter (32b) connected to the neutral pole (64) and the or the respective negative pole (62), the or each second converter (32b) operable to control a converter voltage across the neutral pole (64) and the corresponding negative pole (62), wherein the converter scheme (30) includes a controller (36) programmed to perform a voltage control mode when there is an imbalance between power or currentType: ApplicationFiled: October 5, 2018Publication date: August 20, 2020Inventors: Radnya Anant Mukhedkar, Gearoid Sean O'Heidhin, Amit Kumar