JPS63117678A - Method for starting wound-rotor induction machine - Google Patents
Method for starting wound-rotor induction machineInfo
- Publication number
- JPS63117678A JPS63117678A JP26275386A JP26275386A JPS63117678A JP S63117678 A JPS63117678 A JP S63117678A JP 26275386 A JP26275386 A JP 26275386A JP 26275386 A JP26275386 A JP 26275386A JP S63117678 A JPS63117678 A JP S63117678A
- Authority
- JP
- Japan
- Prior art keywords
- induction machine
- power
- starting
- rotor
- cycloconverter
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000006698 induction Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims description 13
- 238000004804 winding Methods 0.000 claims abstract description 57
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 5
- 235000010724 Wisteria floribunda Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/07—Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings
- H02P2207/076—Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings wherein both supplies are made via converters: especially doubly-fed induction machines; e.g. for starting
Landscapes
- Motor And Converter Starters (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野〕
この発明は、巻線形誘導機の回転子巻線側に備えた電力
変換装置によって回転子電流または電圧の振幅１位相１
周波数を調整して誘導機の速度を制御するシステムにお
ける巻線形誘導機の始動方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention provides a power converter provided on the rotor winding side of a wound induction machine to convert the amplitude, phase, and amplitude of rotor current or voltage.
The present invention relates to a method for starting a wound induction machine in a system that controls the speed of the induction machine by adjusting the frequency.
従来、巻線形誘導機の速度制御システムとして、第３図
に示すように構成したものが知られている。第３図にお
いて、参照符号１０は電源系統を示し、この電源系統１
０に対して遮断器１２を介して巻線形誘導電動機１４の
固定子巻線側１６ａ、１６ｂ、１６ｃをそれぞれ接続す
る。Conventionally, as a speed control system for a wound induction machine, one configured as shown in FIG. 3 is known. In FIG. 3, reference numeral 10 indicates a power supply system, and this power supply system 1
0 to the stator winding sides 16a, 16b, and 16c of the wound induction motor 14, respectively, via the circuit breaker 12.
また、前記電力系統１０に対し遮断器１８を介して変換
装置用変圧器２０を接続し、この変圧器２０の出力ライ
ンをそれぞれサイクロコンバータ２２の可逆単位変換装
置２２ａ、２２ｂ。Further, a converter transformer 20 is connected to the power system 10 via a circuit breaker 18, and the output lines of this transformer 20 are connected to reversible unit converters 22a and 22b of a cycloconverter 22, respectively.
２２ｃに接続する。さらに、前記サイクロコンバータ２
２の各可逆単位変換装置２２ａ、２２２２ｃの出力ライ
ンをそれぞれ誘導電動機１４の回転子巻線２４ａ、２４
ｂ、２４ｃに接続すると共に、前記各可逆単位変換語Ｓ
！２２ａ。Connect to 22c. Furthermore, the cycloconverter 2
The output lines of the two reversible unit converters 22a and 2222c are connected to the rotor windings 24a and 24 of the induction motor 14, respectively.
b, 24c, and each reversible unit conversion word S
! 22a.
２２ｂ、２２ｃの出力側を互い接続して回路構成する。The output sides of 22b and 22c are connected to each other to form a circuit.
このように構成した速度制御システムにおいて、電源系
統１０により供給される電力を、遮１４１′ｒ器１２を
介して誘導電動機１４の各固定子巻線１６ａ、１６ｂ、
１６ｃに伝送すると共に、遮断器１８．変圧器２０．サ
イクロコンバータ２２を介して誘導電動機１４の各回転
子巻線２４ ａ、 ２４ ｂ、 ２４ ｃに伝送す
る。そこで、サイクロコンバータ２２によって誘導電動
機１４の各回転子巻線２４ａ、２４ｂ、２４ｃの電流ま
たは電圧の周波数２位相、振幅を調整して誘電電動機１
４の回転速度を系統周波数によって決る同期速度の上下
に亘って制御すると共に、固定子巻線１６ａ、１６ｂ、
１６ｃ側の力率を調整する。In the speed control system configured in this way, the power supplied by the power supply system 10 is passed through the interrupter 141'r 12 to each stator winding 16a, 16b,
16c, and the circuit breaker 18. Transformer 20. It is transmitted via the cycloconverter 22 to each rotor winding 24 a, 24 b, 24 c of the induction motor 14. Therefore, the frequency, two phases, and the amplitude of the current or voltage of each rotor winding 24a, 24b, and 24c of the induction motor 14 are adjusted by the cycloconverter 22.
4 is controlled above and below the synchronous speed determined by the system frequency, and the stator windings 16a, 16b,
Adjust the power factor on the 16c side.
第４図は、第３図に示す速度制御システムにおける誘導
電動機１４の回転速度と回転子側周波数の関係を示す説
明図である。図において、Ｓは誘導電動機１４のスリッ
プ（−１＜Ｓ＜１）、ｆ、は固定子側周波数、Ｐｌは固
定子側電力をそれぞれ示し、誘導電動！ａ１４の回転子
側の周波数および電力はそれぞれｓｆｌ、ｓＰｌで示さ
れ、その関係は第４図に示すようになる。ここで、この
速度制御システムにおいて、一般に速度制御範囲が狭い
もので済むため（ｌ ｓ ｌ ｍａｘ＝０．２〜０．３
）、回転子ＩＪＩす周波数は低いもので良く、例えばｆ
ｔ＝５０１）ｚの場合Ｓｆ、＝ｉ。FIG. 4 is an explanatory diagram showing the relationship between the rotational speed of the induction motor 14 and the rotor side frequency in the speed control system shown in FIG. 3. In the figure, S indicates the slip of the induction motor 14 (-1<S<1), f indicates the stator side frequency, and Pl indicates the stator side power. The frequency and power on the rotor side of a14 are indicated by sfl and sPl, respectively, and their relationship is as shown in FIG. Here, in this speed control system, generally a narrow speed control range is sufficient (l s l max = 0.2 to 0.3
), the rotor IJI frequency may be low, for example f
t=501) Sf,=i for z.
〜１５１（ｚとなる。このことから、この種の速度制御
システムにおいて、一般に電力変換装置として他励転流
式のサイクロコンバータが使用されている。.about.151(z).For this reason, in this type of speed control system, a separately excited commutation type cycloconverter is generally used as a power converter.
しかしながら、前述した従来の速度制御システムにおい
て、誘導電動機を停止状態（Ｓ＝１）から始動し、通席
の速度制御範囲まで加速するためには、回転子巻線側に
固定子巻線側の周波数Ｊ’ １と同等の周波数の電力を
供給する必要があり、これを前記他励転流式のサイクロ
コンバータで発生するのは困難である。これを解決する
ために、誘導電動機の始動用として高い周波数を発生す
ることができる自励式サイクロコンバータを用いること
ができるが、装置が複雑化して製作コストが増大する等
の難点がある。However, in the conventional speed control system described above, in order to start the induction motor from a stopped state (S = 1) and accelerate it to the speed control range of the common seat, it is necessary to connect the rotor winding side to the stator winding side. It is necessary to supply power with a frequency equivalent to frequency J'1, and it is difficult to generate this with the separately excited commutating type cycloconverter. To solve this problem, a self-excited cycloconverter that can generate a high frequency for starting the induction motor can be used, but this has drawbacks such as complicating the device and increasing manufacturing costs.
そこで、本発明の目的は、通常の速度制御用の他動式サ
イクロコンバータを用いて巻線形誘導電動殿を始動する
と共に系統周波数によって決る同期速度の近傍まで加速
することができるＳ線形誘導機の始動方法を提供するに
ある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to develop an S-linear induction motor that can start a wound induction motor using a passive cycloconverter for normal speed control and accelerate the motor to the vicinity of the synchronous speed determined by the system frequency. Provides startup methods.
Ｃ問題点を解決するための手段〕
本発明に係る巻線形誘導機の始動方法は、巻線形誘導機
の固定子巻線側を電源系統に直接接続すると共に回転子
巻線側を電力変換装置を介して前記電源系統に接続し、
この電力変換装置によって回転子電流または電圧の振幅
１位相。Means for Solving Problem C] The method for starting a wound induction machine according to the present invention is to directly connect the stator winding side of the wound induction machine to a power supply system, and connect the rotor winding side to a power converter. connected to the power supply system via
This power converter allows the amplitude of rotor current or voltage to be one phase.
周波数を調整して前記巻線形誘導機の速度を制御するシ
ステムにおいて、巻線形誘導機の始動時に前記電力変換
装置の出力電力を前記巻線形誘導機の固定子巻線側およ
び回転子巻線側に同時に供給し、加速完了後に前記固定
子巻線側を前記電源系統に切換接続することを特徴とす
る。In a system that controls the speed of the wound induction machine by adjusting the frequency, when starting the wound induction machine, the output power of the power conversion device is transferred to the stator winding side and the rotor winding side of the wound induction machine. The stator winding side is switched to the power supply system after acceleration is completed.
前記の巻線形誘導機の始動方法において、重力変換装置
の出力ラインと巻線形誘導機の固定子巻線とを開閉器を
介して接続し、前記巻線形誘導機の始動時に前記開閉器
を閉状態にして前記電力変換装置の出力電力を前記固定
子巻線に供給し、加速完了後に前記開閉器を開状態にし
て前記固定子巻線を電源系統に切換接続することができ
る。In the above method for starting a wound induction machine, the output line of the gravity conversion device and the stator winding of the wound induction machine are connected via a switch, and the switch is closed when starting the wound induction machine. output power of the power converter is supplied to the stator winding, and after completion of acceleration, the switch is opened to connect the stator winding to a power supply system.
本発明に係る巻線形誘導機の始動方法によれば巻線形誘
導機の固定子巻線側を電源系統に直接接続すると共に回
転子巻線側を電力変換装置を介して電源に接続し、この
電力変換装置によって回転子電流または電圧の振幅２位
相１周波数を調整して誘導機の速度を制御するシステム
において、誘導曲の始動および加速時に前記電力変換装
置の出力電力を前記誘導機の固定子巻線側および回転子
巻線側に同時に供給することにより、通常速度制御用の
電力変換装置を用いて巻線形誘導機を始動すると共に所
定速度制御範囲まで加速することができる。According to the method for starting a wound induction machine according to the present invention, the stator winding side of the wound induction machine is directly connected to a power supply system, and the rotor winding side is connected to a power supply via a power converter. In a system in which the speed of an induction machine is controlled by adjusting the amplitude, two phases, and one frequency of a rotor current or voltage using a power conversion device, the output power of the power conversion device is transferred to the stator of the induction machine at the time of starting and accelerating an induction curve. By simultaneously supplying the winding side and the rotor winding side, it is possible to start the wound induction machine and accelerate it to a predetermined speed control range using a power conversion device for normal speed control.
〔実施び１）〕
次に、本発明に係る巻線形誘導機の始動方法の実施例に
つき、添付図面を参照しながら以下詳細に説明する。[Embodiment 1] Next, an embodiment of a method for starting a wound induction machine according to the present invention will be described in detail below with reference to the accompanying drawings.
第１図は本発明の巻線形誘導機の始動方法の一実施例を
示す速度制御システムの回１ｉ’、） ｔｌ構成図ある
。なお、第３図に示す従来の速度制御システムと同一の
構成部分については同一の参照符号を付してその詳細な
説明は省略する。すなわち第１図において、電力系統１
０に対して遮断′５１２を介してＳ′線形誘導電動機１
４の固定予巻￥ｊｌ１６ａ、１６ｂ、１６ｃをそれぞれ
接続すると共に、遮断器１８．変換装置用変圧器２０、
サイクロコンバータ２２の可逆単位変換装置２２ ａ、
２２ ｂ、 ２２ ｃを介して巻線形誘導電動機
１４０回転子巻線１６ａ、１６ｂ。FIG. 1 is a block diagram of a speed control system showing an embodiment of the method for starting a wound induction machine according to the present invention. Components that are the same as those of the conventional speed control system shown in FIG. 3 are designated by the same reference numerals, and detailed explanation thereof will be omitted. In other words, in Fig. 1, power system 1
S' linear induction motor 1 via cut-off '512 for 0
4 fixed pre-winding \jl16a, 16b, 16c are connected respectively, and the circuit breaker 18. transformer 20 for converter;
Reversible unit conversion device 22a of the cycloconverter 22,
Wound induction motor 140 rotor windings 16a, 16b via 22b, 22c.
１６ｃをそれぞれ接続する点は、第３図に示す従来の速
度制御システムと同一である。そこで、本実施例におい
ては、サイクロコンバータ２２の各可逆単位変換装置２
２ ａ、 ２２ ｂ、 ２２ ｃの出力ラインをそ
れぞれ開閉器２６ａ、２６ｂ。16c are connected to each other in the same manner as in the conventional speed control system shown in FIG. Therefore, in this embodiment, each reversible unit conversion device 2 of the cycloconverter 22
The output lines of 2a, 22b, and 22c are connected to switches 26a and 26b, respectively.
２６ｃを介して誘導電動ｔ＋１３１）４の各回転子巻線
１６ａ、１６ｃ、１６ｂと接続し、前記各開閉器２６ａ
、２６ｂ、２６ｃを閉操作することによって、サイクロ
コンバータ２２の出力電力を８Ｐ、導電動曲１４の固定
子巻線側と回転子巻線側に同時に供給し得るよう回路構
成する。26c to each rotor winding 16a, 16c, 16b of the induction motor t+131)4, and each switch 26a
, 26b, and 26c, the circuit is configured such that 8P of the output power of the cycloconverter 22 can be simultaneously supplied to the stator winding side and the rotor winding side of the conducting curve 14.
このように構成した本実施例の速度制御システムにおい
て、通常速度制御時には開閉器２６ａ。In the speed control system of this embodiment configured as described above, the switch 26a is used during normal speed control.
２６ｂ、２６ｃをそれぞれ開状態とし、第３図に示す従
来の速度制御システムと同様の回路構成として運転する
。ここで、誘導電動機１４のすべりがＳ〉０（同期速度
以上）ｌｔＩ域である場合は、回転子側周波数ｓｆ１は
負の値となり、すなわち相回転方向が固定子側と逆方向
になる。26b and 26c are respectively opened, and the system is operated with the same circuit configuration as the conventional speed control system shown in FIG. Here, when the slip of the induction motor 14 is in the S>0 (synchronous speed or higher) ltI range, the rotor side frequency sf1 has a negative value, that is, the phase rotation direction is opposite to the stator side.
また、回転速度は５＝−１（同期速度の２倍の速度）ま
で調整することができる。このことから、誘導電動１幾
１４の固定子巻線側と回転子巻線側に対して同一の可変
周波数電源から給電し、固定子巻線側と回転子巻線側の
相回転方向を逆方向にすれば、前記可変周波数電源の出
力周波数ｆ。の２倍の周波数に相応する回転速度まで加
速できることになる。Further, the rotation speed can be adjusted up to 5=-1 (twice the synchronous speed). From this, it is possible to supply power to the stator winding side and the rotor winding side of the induction motor 1 and 14 from the same variable frequency power source, and reverse the phase rotation direction of the stator winding side and the rotor winding side. direction, the output frequency f of the variable frequency power supply. This means that the rotational speed can be accelerated to a speed that corresponds to twice the frequency.
そこで、本実施例の速度制御システムにおいて、誘導電
動機１４の始動時には遮断器１２を遮断状態、１匹断器
１８を接続状態、開閉器２６ａ。Therefore, in the speed control system of this embodiment, when starting the induction motor 14, the circuit breaker 12 is in the disconnected state, one circuit breaker 18 is in the connected state, and the switch 26a is set.
２６ｂ、２６ｃを閉状態にし、サイクロコンバータ２２
の出力周波数を零から徐々に上昇させて誘導電動機１４
を始動し通常の速度制御範囲まで加速する。加速完了後
にサイクロコンバータ２２の出力電流を零に調整し、開
閉器２６ａ。26b and 26c are closed, and the cycloconverter 22
The output frequency of the induction motor 14 is gradually increased from zero.
start and accelerate to normal speed control range. After the acceleration is completed, the output current of the cycloconverter 22 is adjusted to zero, and the switch 26a is closed.
２６ｂ、２６ｃを開状態にし、遮断器１２を接続して回
路を通常運転状態に切換える。26b and 26c are opened, the circuit breaker 12 is connected, and the circuit is switched to the normal operating state.
この場合、電源系統１０の周波数をｆ、とすれば、サイ
クロコンバータ２２の出力周波数を最大で、ｆ、／２ま
で上昇させることにより、誘導電動機１４を前記電源周
波数ｆ、に相当する回転速度まで加速することができる
。この出力周波数ｆ、／２は他励転流式のサイクロコン
バータによって十分発生させることができ、これによっ
て誘導電動機１４を始動・加速することができる。なお
、誘導電動ｔ！３１）４は始動時に前記同期速度まで加
速する必要はなく、通常運転時のスリップＳの最大値を
Ｓｍａｘとすると、（１−Ｓｍａｘ）ｆ、に相当する回
転速度まで加速すれば良く、サイクロコンバータ２２の
負担ばさらに軽減する。In this case, if the frequency of the power supply system 10 is f, by increasing the output frequency of the cycloconverter 22 to a maximum of f,/2, the induction motor 14 is brought to a rotational speed corresponding to the power supply frequency f. It can be accelerated. This output frequency f,/2 can be sufficiently generated by a separately excited commutating type cycloconverter, and thereby the induction motor 14 can be started and accelerated. In addition, induction electric t! 31) 4 does not need to be accelerated to the above-mentioned synchronous speed at the time of starting, and if the maximum value of slip S during normal operation is Smax, then it is sufficient to accelerate to the rotational speed equivalent to (1-Smax)f, and the cycloconverter 22, the burden will be further reduced.
第２図は本発明の巻線形誘導既の始動方法の別の実施例
を示す速度制御システムの回路構成図である。本実施例
においては、第１図に示す回路におけるサイクロコンバ
ータ２２の各可逆１）１位変換装置２２ａ、２２ｂ、２
２ｃの出力側と誘導電動機１４の各回転子巻線２４ａ、
２４ｂ。FIG. 2 is a circuit diagram of a speed control system showing another embodiment of the winding induction starting method of the present invention. In this embodiment, each reversible 1) first-place conversion device 22a, 22b, 2 of the cycloconverter 22 in the circuit shown in FIG.
2c output side and each rotor winding 24a of the induction motor 14,
24b.
２４ｃの入力側とを開閉器２８ａ、２８ｂ。The input side of 24c is connected to switches 28a and 28b.
２８ｃを介して接続する。また、前記誘導電動ｌｌｌ１
．１４の固定子巻線１６ ａ、 １６ ｂ、 １６
ｃの出力側と回転子巻線２４ｂ、２４ａ、２４ｃの入
力側とをそれぞれ開閉器３０ａ、３０ｂ。Connect via 28c. In addition, the induction electric motor lll1
．． 14 stator windings 16 a, 16 b, 16
The output side of C and the input side of rotor windings 24b, 24a, and 24c are connected to switches 30a and 30b, respectively.
３０ｃを介して接続すると共に、前記各固定子巻線１６
ａ、１６ｂ、１６ｃの出力側を開閉器３２ａ、３２ｂ、
３２ｃを介して互いに接続して回路構成する。30c, and each of the stator windings 16
a, 16b, 16c output side switches 32a, 32b,
32c to form a circuit.
このように構成した本実施例の速度制御システムにおい
て、誘導電動機１４の始動時には遮断器１２を遮断状態
、′３ａ断器１８を接続状態。In the speed control system of this embodiment configured as described above, when the induction motor 14 is started, the circuit breaker 12 is in the disconnected state and the '3a circuit breaker 18 is in the connected state.
開閉器２６ａ、２６ｂ、２６ｃ、３０ａ、３０ｂ。Switches 26a, 26b, 26c, 30a, 30b.
３０ｃを閉状態、開閉器２８ａ、２８ｂ、２８ｃ。30c in a closed state, switches 28a, 28b, 28c.
３２ａ、３２ｂ、３２ｃを開状態にし、サイクロコンバ
ータ２２の出力電力を開閉器２６ａ。32a, 32b, and 32c are opened, and the output power of the cycloconverter 22 is switched to the switch 26a.
２６ｂ、２６ｃおよび３０ａ、３０ｂ、３０ｃを介して
誘導電動機１４の固定子巻線側および回転子巻線側に同
時に供給すると共に前記固定子巻線側と回転子巻線側の
相回転方向を逆方向にする。ここで、サイクロコンバー
タ２２の出力周波数を零から徐々に上昇させて誘導電動
機１４を始動し通常の速度制御範囲まで加速する。26b, 26c and 30a, 30b, 30c to the stator winding side and rotor winding side of the induction motor 14 simultaneously, and the phase rotation direction of the stator winding side and rotor winding side is reversed. direction. Here, the output frequency of the cycloconverter 22 is gradually increased from zero to start the induction motor 14 and accelerate it to the normal speed control range.
加速完了後にサイクロコンバータ２２の出力電流を零に
調整すると共に、遮′ＷＴ器１２．１８を接続状態、開
閉器２８ａ、２８ｂ、２８ｃ。After the acceleration is completed, the output current of the cycloconverter 22 is adjusted to zero, and the circuit breaker WT device 12.18 is connected to the switches 28a, 28b, and 28c.
３２ａ、３２ｂ、３２ｃを閉状態、開閉器２６ａ、２６
ｂ、２６ｃ、３０ａ、３０ｂ。32a, 32b, 32c in closed state, switches 26a, 26
b, 26c, 30a, 30b.
３０ｃを開状態にして回路を通常運転状態に切換える。30c is opened to switch the circuit to normal operation.
前述した実施例からも明らかなように、本発明によれば
、巻線形誘導機の固定子巻線側を電源系統に直接接続す
ると共に回転子巻線側を電力変換装置を介して電源に接
続し、この電力変換装置によって回転子電流または電圧
の振幅。As is clear from the embodiments described above, according to the present invention, the stator winding side of the wound induction machine is directly connected to the power supply system, and the rotor winding side is connected to the power supply via the power converter. and the amplitude of the rotor current or voltage by this power converter.
１ヶ相３周波数を調整して誘導機の速度を制御するシス
テムにおいて、誘導機の始動および加速時に前記電力変
換装置の出力電力を前記誘導機の固定子巻線側および回
転子巻線側に同時に供給し、加速完了後に固定子巻線側
を前記電源系統に切換接続することにより、通常速度制
御用の電力変換装置を用いて誘導機を始動することがで
き、この種の速度制御システムの回路構成を簡略化する
と共にこれを低コストに実現することができる。In a system that controls the speed of an induction machine by adjusting three frequencies of one phase, the output power of the power conversion device is transferred to the stator winding side and the rotor winding side of the induction machine when starting and accelerating the induction machine. By supplying the power at the same time and switching and connecting the stator winding side to the power supply system after acceleration is completed, the induction machine can be started using the power converter for normal speed control, and this type of speed control system The circuit configuration can be simplified and realized at low cost.
以上、本発明の好適な実施例につき説明したが本発明の
精神を逸脱しない範囲内において種々の設計変更をなし
得ることは勿論である。Although the preferred embodiments of the present invention have been described above, it goes without saying that various design changes can be made without departing from the spirit of the present invention.
第１図は本発明に係る巻線形誘導機の始動方法の一実施
例を示す速度制御システムの回路構成図、第２図は本発
明の別の実施例を示す速度制御システムの回路構成図、
第３図は従来の速度制御システムの回路構成図、第４図
は第３図に示す回路の動作特性を示す説明図である。
１０・・・電源系統 １２．１８・・・遮ｖｆ
ｒ器１４・・・巻線形誘導電動機
１６ａ、１６ｂ、１６ｃ・・・固定子巻線２０・・・変
換装置用変圧器
２２・・・サイクロコンバーク
２２ ａ、 ２２ ｂ、 ２２ ｃ・・・可逆単位
変換装置２４ａ、２４ｂ、２４ｃ・・・回転子巻線２６
ａ、２６ｂ、２６ｃ・・−開閉器
２８ａ、２８ｂ、２８ｃｍ−−開閉器
３０ａ、３０ｂ、３０ｃｍ・−開閉器
３２ａ、３２ｂ、３２ｃｍ−・開閉器
特許出願人 富士電機株式会社
ＦＩＧ、４
５：＝ｌ ｌｓｌｍａｘ Ｓ＝Ｏｌｓｌｍａ
ｘ ５＝−ｌ（停止） （Ｐ朋建壇
）−一一一一÷回転虚度
月日系宍ネｄｉ正書（自炙り
ｌＶ外ロ６２年１０月 年目
０月庁長官 小川 邦人 殿
１、事件の表示
昭和６１年特許願第２６２７５３号
２）発明の名称
巻線形誘導機の始動方法
３、補正をする者
事件との関係 特許出願人
住所用ｌ１ＯＴｌｊ川崎区田辺新田１番１号名称 （５
２３）富士電機株式会社
イ侭者 中足 武
４、代理人
（１）旧FIG. 1 is a circuit configuration diagram of a speed control system showing one embodiment of a method for starting a wound induction machine according to the present invention, and FIG. 2 is a circuit diagram of a speed control system showing another embodiment of the present invention.
FIG. 3 is a circuit configuration diagram of a conventional speed control system, and FIG. 4 is an explanatory diagram showing the operating characteristics of the circuit shown in FIG. 3. 10...Power supply system 12.18...Blocking vf
R unit 14...Wound induction motor 16a, 16b, 16c...Stator winding 20...Transformer for converter 22...Cycloconverter 22a, 22b, 22c...Reversible Unit conversion devices 24a, 24b, 24c...rotor winding 26
a, 26b, 26c...-Switches 28a, 28b, 28cm--Switches 30a, 30b, 30cm--Switches 32a, 32b, 32cm--Switch patent applicant Fuji Electric Co., Ltd. FIG, 4 5:= l lslmax S=Olslma
x 5 = -l (stop) (P Ho Kendan) - 1111 ÷ rotational imaginary moon day system Shishine di shosho (self-broiled lV Gairo October 1962 year 0 month agency chief Kunito Ogawa Tono 1, Display of the case 1986 Patent Application No. 262753 2) Name of the invention Method for starting a wound wire induction machine 3, person making the amendment Relationship to the case Patent applicant address l1OTlj 1-1 Tanabeshinden, Kawasaki-ku Name ( 5
23) Fuji Electric Co., Ltd. Takeshi Nakatari 4, Agent (1) Former
Claims (2)
続すると共に回転子巻線側を電力変換装置を介して前記
電源系統に接続し、この電力変換装置によって回転子電
流または電圧の振幅、位相、周波数を調整して前記巻線
形誘導機の速度を制御するシステムにおいて、巻線形誘
導機の始動時に前記電力変換装置の出力電力を前記巻線
形誘導機の固定子巻線側および回転子巻線側に同時に供
給し、加速完了後に前記固定子巻線側を前記電源系統に
切換接続することを特徴とする巻線形誘導機の始動方法
。(1) The stator winding side of the wound induction machine is directly connected to the power supply system, and the rotor winding side is connected to the power supply system via a power conversion device, and the rotor current or voltage is In the system for controlling the speed of the wound induction machine by adjusting the amplitude, phase, and frequency of 1. A method for starting a wound induction machine, characterized in that the power is supplied to the rotor winding side at the same time, and after acceleration is completed, the stator winding side is switched and connected to the power supply system.
方法において、電力変換装置の出力ラインと巻線形誘導
機の固定子巻線とを開閉器を介して接続し、前記巻線形
誘導機の始動時に前記開閉器を閉状態にして前記電力変
換装置の出力電力を前記固定子巻線に供給し、加速完了
後に前記開閉器を開状態にして前記固定子巻線を電源系
統に切換接続してなる巻線形誘導機の始動方法。(2) In the method for starting a wound induction machine according to claim 1, the output line of the power converter and the stator winding of the wound induction machine are connected via a switch, and the winding When starting the induction machine, the switch is closed to supply the output power of the power converter to the stator winding, and after acceleration is completed, the switch is opened to connect the stator winding to the power supply system. How to start a wound induction machine with switching connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26275386A JPS63117678A (en) | 1986-11-06 | 1986-11-06 | Method for starting wound-rotor induction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26275386A JPS63117678A (en) | 1986-11-06 | 1986-11-06 | Method for starting wound-rotor induction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63117678A true JPS63117678A (en) | 1988-05-21 |
Family
ID=17380107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26275386A Pending JPS63117678A (en) | 1986-11-06 | 1986-11-06 | Method for starting wound-rotor induction machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63117678A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997007589A1 (en) * | 1995-08-11 | 1997-02-27 | Siemens Aktiengesellschaft | Process and device for operating an asynchronous motor |
| JP2011244558A (en) * | 2010-05-17 | 2011-12-01 | Fuji Electric Co Ltd | Driver of winding-type induction machine |
-
1986
- 1986-11-06 JP JP26275386A patent/JPS63117678A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997007589A1 (en) * | 1995-08-11 | 1997-02-27 | Siemens Aktiengesellschaft | Process and device for operating an asynchronous motor |
| AU697320B2 (en) * | 1995-08-11 | 1998-10-01 | Voith Siemens Hydro Power Generation Gmbh & Co. Kg | Method and device for operating an asynchronous machine |
| JP2011244558A (en) * | 2010-05-17 | 2011-12-01 | Fuji Electric Co Ltd | Driver of winding-type induction machine |
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