KR20240057043A - Permanent Magnet Synchronous Motor Control System - Google Patents

Permanent Magnet Synchronous Motor Control System Download PDF

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Publication number
KR20240057043A
KR20240057043A KR1020220137290A KR20220137290A KR20240057043A KR 20240057043 A KR20240057043 A KR 20240057043A KR 1020220137290 A KR1020220137290 A KR 1020220137290A KR 20220137290 A KR20220137290 A KR 20220137290A KR 20240057043 A KR20240057043 A KR 20240057043A
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KR
South Korea
Prior art keywords
winding
permanent magnet
magnet synchronous
synchronous motor
stator
Prior art date
Application number
KR1020220137290A
Other languages
Korean (ko)
Inventor
김승수
Original Assignee
주식회사 바바텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 바바텍 filed Critical 주식회사 바바텍
Priority to KR1020220137290A priority Critical patent/KR20240057043A/en
Publication of KR20240057043A publication Critical patent/KR20240057043A/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/02—Synchronous motors
    • H02K19/10—Synchronous motors for multi-phase current
    • H02K19/12—Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

본 발명의 일 실시예에 따른 영구자석 동기 전동기는 고정자 상기 고정자에 연결된 제1권선; 및 상기 고정자에
연결된 제2권선을 포함하되, 상기 제1권선은 전원과 전기적으로 연결되도록 구성되고, 상기 제2권선은 단락되어
있다.A permanent magnet synchronous motor according to an embodiment of the present invention includes a stator and a first winding connected to the stator; and in the stator
It includes a connected second winding, wherein the first winding is configured to be electrically connected to a power source, and the second winding is short-circuited.
there is.

Description

영구자석 동기 전동기 제어 시스템{Permanent Magnet Synchronous Motor Control System}Permanent Magnet Synchronous Motor Control System

영구자석 동기 전동기 및 전동기를 제어하는 시스템 및 방법에 관한 것이다. 구체적으로, 보조권선Pertains to permanent magnet synchronous motors and systems and methods for controlling the motors. Specifically, the auxiliary winding

이 단락된 영구자석 동기 전동기 및 이러한 전동기의 토크 및 손실을 제어하는 방법에 대한 것이다.This is about short-circuited permanent magnet synchronous motors and methods for controlling the torque and losses of these motors.

단상 영구자석 동기 전동기는 단상 전원을 입력으로 받는 가정 및 저전력 산업 응용 분야에서 널리 사용되고 있Single-phase permanent magnet synchronous motors are widely used in home and low-power industrial applications that receive single-phase power as input.

으며 주로 보조권선과 함께 2상 전동기로 사용된다.It is mainly used as a two-phase motor with an auxiliary winding.

본 발명의 일 측면에 따르면 기존 시스템에 비하여 적은 수의 반도체 소자를 이용하여 단순한 구조의 전동기로According to one aspect of the present invention, an electric motor of a simple structure using a smaller number of semiconductor elements compared to existing systems

더 큰 토크를 발생시킬 수 있다.It can generate greater torque.

본 발명의 일 실시예에 따른 영구자석 동기 전동기는 고정자; 상기 고정자에 연결된 제1권선; 및 상기 고정자에A permanent magnet synchronous electric motor according to an embodiment of the present invention includes a stator; a first winding connected to the stator; and in the stator

연결된 제2권선;을 포함하되, 상기 제1권선은 전원과 전기적으로 연결되도록 구성되고, 상기 제2권선은 단락된A connected second winding; wherein the first winding is configured to be electrically connected to a power source, and the second winding is short-circuited.

것을 특징으로 한다.It is characterized by

본 발명의 일 실시예에 따른 영구자석 동기 전동기는 간단한 구조로 정밀한 토크 제어가 가능하다는 장점을 가The permanent magnet synchronous motor according to an embodiment of the present invention has the advantage of enabling precise torque control with a simple structure.

진다. 또한 단락된 보조 권선을 가짐으로써 기존 단상 및 2상 동기 전동기 시스템에 비해 더 간단한 회로로 가Lose. Additionally, having a short-circuited auxiliary winding allows for a simpler circuit compared to conventional single-phase and two-phase synchronous motor systems.

변 속도 운전을 할 뿐만 아니라, 더 큰 토크를 낼 수 있기 때문에 소음이 적게 발생하고 시스템의 효율 및 가격In addition to variable speed operation, it can produce greater torque, resulting in less noise and higher system efficiency and cost.

을 절감하는 효과를 기대할 수 있다.A saving effect can be expected.

도 1은 운전 속도가 고정된 영구자석 동기 전동기의 구동 시스템의 개략적인 회로도이다.
도 2는 운전 속도가 가변적인 3상 인버터를 이용한 2상 영구자석 동기 전동기의 구동 시스템의 개략적인 회로도
이다.1 is a schematic circuit diagram of a driving system of a permanent magnet synchronous motor with a fixed operating speed.
Figure 2 is a schematic circuit diagram of a driving system of a two-phase permanent magnet synchronous motor using a three-phase inverter with variable operating speed.
am.

제1권선(20)은 주 권선, 제2권선(30)은 보조 권선일 수 있다. 2상 고정자 권선(20, 30) 중 제1권선(20)은 전원The first winding 20 may be a main winding, and the second winding 30 may be an auxiliary winding. Among the two-phase stator windings (20, 30), the first winding (20) is supplied with power.

(520)에 의해 전력을 공급받는다.Powered by (520).

전원(520)은 임의의 전압원 또는 전류원이다.Power source 520 is any voltage source or current source.

영구자석 동기 전동기(510)는 매입형 또는 표면부착형일 수 있다. 전동기(510)는 회전자(40)를 더 포함할 수 있The permanent magnet synchronous motor 510 may be a built-in type or a surface-mounted type. The electric motor 510 may further include a rotor 40.

으며, 회전자(40)는 고정자(10)와 자기적으로 연결된다.And the rotor 40 is magnetically connected to the stator 10.

일 실시예에 따른 영구자석 동기 전동기(510)는 제2권선(30)이 단락되어 있기 때문에, 인버터 등 전동기 제어Since the second winding 30 of the permanent magnet synchronous motor 510 according to one embodiment is short-circuited, it controls motors such as inverters.

시스템을 이용하여 제1권선(20)의 전압 또는 전류를 제어하면 가변 속도 운전을 얻을 수 있고, 제1권선(20)의By controlling the voltage or current of the first winding 20 using the system, variable speed operation can be obtained, and the

특성만을 제어하기 때문에 기존의 2상 시스템보다 적은 수의 소자를 사용하여 전동기의 토크를 제어할 수 있게Since only the characteristics are controlled, the torque of the motor can be controlled using fewer elements than the existing two-phase system.

된다. 또한, 단락된 제2권선(30)이 토크 생성에 기여하면서 간단한 구조로 기존의 단상 전동기 시스템보다 더do. In addition, the short-circuited second winding 30 contributes to torque generation and has a simple structure, making it more powerful than the existing single-phase electric motor system.

큰 토크를 출력할 수 있다.It can output large torque.

일 실시예에서, 제1권선(20)과 제2권선(30)은 도 5에 도시된 바와 같이 전선을 통해 서로 전기적으로 연결되어In one embodiment, the first winding 20 and the second winding 30 are electrically connected to each other through a wire as shown in Figure 5.

있지 않을 수 있다. 제1권선(20)과 제2권선(30)은 전동기(510)의 동일한 구성요소, 즉, 고정자(10)에 감기는 등There may not be. The first winding 20 and the second winding 30 are wound around the same component of the electric motor 510, that is, the stator 10, etc.

의 형태로 연결되어 있다. 반면, 도 1 내지 도 3의 주 권선과 보조 권선들은 서로 전선을 통해 연결되어 있다.It is connected in the form of. On the other hand, the main winding and the auxiliary winding in FIGS. 1 to 3 are connected to each other through wires.

다른 실시예에서, 일 실시예에 따른 영구자석 동기 전동기는 변형된 3상 영구자석 동기 전동기로 해석될 수 있In another embodiment, the permanent magnet synchronous motor according to one embodiment may be interpreted as a modified three-phase permanent magnet synchronous motor.

다. 이 경우, 제2권선은 두 개의 권선을 포함하며, 제1권선 및 제2권선의 두 개의 권선은 3상 고정자 권선을 이룬다. 이때, 제1권선과 제2권선이 전기적으로 연결된다.all. In this case, the secondary winding includes two windings, and the two windings of the first and second windings form a three-phase stator winding. At this time, the first winding and the second winding are electrically connected.

500 : 전동기 구동 시스템 510 : 영구자석 동기 전동기
520 : 전원 10 : 고정자
20 : 제1권선 30 : 제2권선
40 : 회전자500: Electric motor drive system 510: Permanent magnet synchronous motor
520: Power 10: Stator
20: 1st winding 30: 2nd winding
40: rotor

Claims (1)

상기 제1권선과 상기 제2권선은 전선을 통해 서로 전기적으로 연결되지 않은, 영구자석 동기 전동기.A permanent magnet synchronous motor in which the first winding and the second winding are not electrically connected to each other through wires.
KR1020220137290A 2022-10-24 2022-10-24 Permanent Magnet Synchronous Motor Control System KR20240057043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020220137290A KR20240057043A (en) 2022-10-24 2022-10-24 Permanent Magnet Synchronous Motor Control System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020220137290A KR20240057043A (en) 2022-10-24 2022-10-24 Permanent Magnet Synchronous Motor Control System

Publications (1)

Publication Number Publication Date
KR20240057043A true KR20240057043A (en) 2024-05-02

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