RU2012154443A

RU2012154443A - SHIP ELECTRIC MOTION SYSTEM WITH TWIN-SCREW MOTOR-MOTOR MODULE WITH RING ENGINES

Info

Publication number: RU2012154443A
Application number: RU2012154443/11A
Authority: RU
Inventors: Андрей Владимирович Григорьев; Елена Алексеевна Глеклер; Юрий Александрович Кулагин; Руслан Ринатович Зайнуллин
Priority date: 2012-12-11
Filing date: 2012-12-11
Publication date: 2014-06-20
Also published as: RU2522733C1

Abstract

Судовая система электродвижения, имеющая в своем составе шины распределительного щита, подключенные через автоматический выключатель и дроссель к обратимому преобразователю частоты, первый выход которого подсоединен статорной обмотке первого гребного электродвигателю кольцевой конструкции с возбуждением от постоянных магнитов, в полости ротора которого установлен первый гребной винт фиксированного шага, отличающаяся тем, чтодополнительно содержит второй гребной электродвигатель кольцевой конструкции с возбуждением от постоянных магнитов, статорная обмотка которого подсоединена ко второму выходу преобразователя частоты, в полости ротора второго гребного электродвигателя установлен второй гребной винт фиксированного шага, оба упомянутых электродвигателя расположены соосно и объединены в единый модуль таким образом, что их полости образуют сквозной канал, а лопасти первого гребного винта выполнены с противонаправленным разворотом к лопастям второго гребного винта, при этом преобразователь частоты содержит установленный на входе управляемый выпрямитель, силовой выход которого соединен с конденсаторным накопителем звена постоянного тока, с датчиком напряжения звена постоянного тока и с силовыми входами двух инверторов, которые входят в состав преобразователя частоты, содержит также два задатчика частот вращения электродвигателей, каждый из задатчиков своим первым выходом соединен с управляющим входом одного из инверторов, а своим вторым выходом соединены с первыми выходом другого задатчика, при этом судовая система электродвижения имеет в своем составе локальную систему управления, со�The ship’s electric propulsion system, which includes switchboard buses connected through a circuit breaker and inductor to a reversible frequency converter, the first output of which is connected to the stator winding of the first row-shaped electric motor of ring construction with permanent magnet excitation, in the rotor cavity of which the first fixed-pitch propeller is installed , characterized in that it further comprises a second rowing electric motor of a ring structure with excitation from constant x magnets, the stator winding of which is connected to the second output of the frequency converter, a second fixed pitch propeller is installed in the rotor cavity of the second propeller motor, both of these motors are aligned and combined into a single module so that their cavities form a through channel and the blades of the first propeller the screws are made with an anti-directional turn to the blades of the second propeller, while the frequency converter contains a controlled rectifier installed at the input, The main output of which is connected to a capacitor storage device for the DC link, with a voltage sensor for the DC link and with the power inputs of two inverters that are part of the frequency converter, also contains two speed controllers for the rotation of the electric motors, each of the drives with its first output is connected to the control input of one from inverters, and with their second output are connected to the first output of another setter, while the ship's electric propulsion system incorporates a local control system, with

Claims

The ship’s electric propulsion system, which includes switchboard buses connected through a circuit breaker and inductor to a reversible frequency converter, the first output of which is connected to the stator winding of the first row-shaped electric motor of ring construction with permanent magnet excitation, in the rotor cavity of which the first fixed-pitch propeller is installed characterized in that additionally contains a second rowing electric motor of a ring design with permanent magnet excitation, the stator winding of which is connected to the second output of the frequency converter, a second fixed pitch propeller is installed in the rotor cavity of the second rowing electric motor, both of these motors are aligned and combined into a single module so that their cavities form a through channel, and the blades of the first propeller are made with an opposite direction to the blades of the second gr a screw, the frequency converter contains a controlled rectifier installed at the input, the power output of which is connected to a capacitor storage of the DC link, with a voltage sensor of the DC link and with the power inputs of two inverters that are part of the frequency converter, it also contains two frequency adjusters rotation of electric motors, each of the setters is connected with its first output to the control input of one of the inverters, and with its second output connected to the first output of the other at the same time, the ship's electric propulsion system incorporates a local control system connected to the control input of the controlled rectifier, with the signal output of the voltage sensor on the capacitor storage, with frequency adjusters, as well as with the signal outputs of the first and second current sensors and the first and second sensors the voltage of the phases installed in the output power circuits of the inverters, which are the outputs of the frequency converter, and the connection of the electric motors is made possible unidirectional rotation of their rotors.