JP3011503B2 - Converter control device - Google Patents
Converter control deviceInfo
- Publication number
- JP3011503B2 JP3011503B2 JP3279151A JP27915191A JP3011503B2 JP 3011503 B2 JP3011503 B2 JP 3011503B2 JP 3279151 A JP3279151 A JP 3279151A JP 27915191 A JP27915191 A JP 27915191A JP 3011503 B2 JP3011503 B2 JP 3011503B2
- Authority
- JP
- Japan
- Prior art keywords
- converter
- voltage
- section
- load
- vehicle position
- 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.)
- Expired - Lifetime
Links
Landscapes
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は浮上式鉄道用リニアシン
クロナスモータ（以下単にＬＳＭと記す）の駆動装置の
電源とし用いられる変換器の制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a converter used as a power source for a drive device of a linear synchronous motor for a floating railway (hereinafter simply referred to as LSM).
【０００２】[0002]
【従来の技術】図２はＬＳＭと変換器の構成を示したも
のである。図２において、１は交流母線、２ーＡ，２ー
Ｂは交流電圧を所定の電圧に変換する変圧器、２は変圧
器２ーＡ，と変圧器２ーＢの入力側に設けられる遮断
器、４ーＡは変圧器２ーＡの交流電力を必要な周波数の
交流に変換する変換器、４ーＢは変圧器２ーＢの交流電
力を必要な周波数の交流に変換する変換器、５ーＡは変
換器４ーＡと接続されるき電線、５ーＢは変換器４ーＢ
と接続されるき電線、６はｎセクション（ｎは１以上の
整数）で構成されるＬＳＭの中の１つのＬＳＭ、７はｎ
セクション（ｎは１以上の整数）のＬＳＭと接続される
セクションスイッチ、８はＬＳＭ６の上を走行する車両
である。2. Description of the Related Art FIG. 2 shows a configuration of an LSM and a converter. In FIG. 2, 1 is an AC bus, 2-A and 2-B are transformers for converting an AC voltage into a predetermined voltage, 2 is a transformer 2-A, and a cutoff provided on the input side of the transformer 2-B. , 4-A is a converter for converting the AC power of the transformer 2-A into AC of a required frequency, 4-B is a converter for converting AC power of the transformer 2-B to AC of a required frequency, 5-A is a feeder wire connected to the converter 4-A, 5-B is a converter 4-B
6 is one of the LSMs composed of n sections (n is an integer of 1 or more), and 7 is n
A section switch 8 is connected to the LSM of the section (n is an integer of 1 or more), and 8 is a vehicle running on the LSM 6.
【０００３】このような装置において、変換器４ーＡは
ＬＳＭ６が２ｎ＋１（ｎは０以上の整数）のセクション
に給電し、変換器４ーＢはＬＳＭ６が２ｎ（ｎは１以上
の整数）のセクションに給電する。今、車両がｎセクシ
ョンにあるとき、セクションスイッチＳＷｎがオンとな
り変換器４ーＡにより、き電線５ーＡへ給電され、ｎセ
クションのＬＳＭに給電される。次に車両がｎ＋１セク
ションに入ると、セクションスイッチＳＷｎ＋１がオン
となり、変換器４ーＢより徐々にき電線５ーＢに給電
し、ｎ＋１セクションのＬＳＭに給電する。一方、ｎセ
クションに給電している前記変換器４ーＡは徐々に出力
を低下させ、所定時間後に出力を零とし、セクションス
イッチＳＷｎをオフし、ｎセクションへの給電を停止す
る。更に、車両がｎ＋２セクションに入るとセクション
スイッチＳＷｎ＋２がオンとなり、変換器４ーＡより徐
々にき電線５ーＡに給電し、ｎ＋２セクションのＬＳＭ
に給電する。一方、ｎ＋１セクションに給電している変
換器４ーＢは徐々に出力を低下させ、所定時間後に出力
を零とし、セクションスイッチＳＷｎ＋１をオフし、ｎ
＋１セクションへの給電を停止する。このように変換器
４ーＡと変換器４ーＢを交互に運転することによりＬＳ
Ｍを駆動する。この方式を図３を参照して、さらに説明
を加える。図３は図２の変換器４―Ａに着目して示した
ものであり、図２と同一部には同一符号を付してある。In such a device, a converter 4-A feeds a section with an LSM 6 of 2n + 1 (n is an integer greater than 0), and a converter 4-B has a LSM 6 of 2n (n is an integer greater than 1). Power section. Now, when the vehicle is in the n section, the section switch SWn is turned on, and power is supplied to the feeder line 5-A by the converter 4-A and to the LSM in the n section. Next, when the vehicle enters the n + 1 section, the section switch SWn + 1 is turned on, and the converter 4-B gradually supplies power to the feeder line 5-B and supplies power to the LSM in the n + 1 section. On the other hand, the converter 4-A that supplies power to the n section gradually decreases the output, makes the output zero after a predetermined time, turns off the section switch SWn, and stops supplying power to the n section. Further, when the vehicle enters the n + 2 section, the section switch SWn + 2 is turned on, and the power is gradually supplied from the converter 4-A to the feeder line 5-A.
Power. On the other hand, the converter 4-B which supplies power to the (n + 1) -th section gradually lowers the output, sets the output to zero after a predetermined time, turns off the section switch SWn + 1, and sets n
Stop supplying power to the +1 section. By alternately operating the converter 4-A and the converter 4-B in this manner, the LS
Drive M. This method will be further described with reference to FIG. FIG. 3 focuses on the converter 4-A of FIG. 2, and the same parts as those of FIG. 2 are denoted by the same reference numerals.
【０００４】６―１は、ＬＳＭ６の１セクション内の固
定された地上コイルである。９Ｕ，９Ｖ，９Ｗは変換器
４―Ａの出力交流電流を検出する電流検出器、１０は電
圧基準算出器、１１は電流パタ―ン発生器、１２は車両
の位置を検出する車両位置検出器、１３は変換器４―Ａ
のゲ―トを制御するゲ―ト制御回路である。[0004] 6-1 is a fixed ground coil in one section of the LSM6. 9U, 9V, 9W are current detectors for detecting the output alternating current of the converter 4-A, 10 is a voltage reference calculator, 11 is a current pattern generator, and 12 is a vehicle position detector for detecting the position of the vehicle. , 13 is a converter 4-A
This is a gate control circuit for controlling the gate of FIG.
【０００５】いま、車両位置検出器１２により変換器４
―Ａを運転するセクションに車両８があるとき、電流パ
タ―ン発生器１１が動作し、ＬＳＭ６を駆動するに必要
な電流パタ―ン信号を電圧基準算出回路１０に入力し、
電圧基準算出回路１０は前記電流パタ―ン信号と、電流
検出器９Ｕ，９Ｖ，９Ｗにより検出した変換器４―Ａの
出力交流電流から論理演算して求められる変換器４―Ａ
の出力電圧を決定する電圧基準を算出し、電圧基準信号
をゲ―ト制御回路１３に入力し、ゲ―ト制御回路１３は
ゲ―トパルスを発生させ、変換器４―Ａの主回路を構成
する半導体素子の通電期間を変化させ、交流電圧を負荷
に印加し、負荷であるき電線５―Ａ及び地上コイル６―
１に交流電流を流す。Now, the converter 4 is detected by the vehicle position detector 12.
When the vehicle 8 is in the section for driving A, the current pattern generator 11 operates, and inputs a current pattern signal necessary for driving the LSM 6 to the voltage reference calculation circuit 10;
The voltage reference calculating circuit 10 performs a logical operation on the current pattern signal and the output alternating current of the converter 4-A detected by the current detectors 9U, 9V, 9W to obtain a converter 4-A obtained by a logical operation.
A voltage reference for determining the output voltage of the converter is calculated, a voltage reference signal is input to the gate control circuit 13, and the gate control circuit 13 generates a gate pulse to constitute a main circuit of the converter 4-A. The energizing period of the semiconductor element to be changed is changed, an AC voltage is applied to the load, and the electric wire 5 -A and the ground coil 6-
1. An alternating current is passed through 1.
【０００６】[0006]
【発明が解決しようとする課題】前述の装置において、
地上コイル６―１のインピ―ダンスＺCU，ＺCV，ＺCWは
一定であるが、き電線５―Ａのインピ―ダンスＺeU，Ｚ
eV，ＺeWは、き電線５―Ａが長くなる程大きくなるた
め、それに応じた電圧降下が生じる。従って、変換器４
―Ａが運転を開始するときに電圧基準算出回路１０に入
力される出力交流電流と電流パタ―ン信号だけでは適切
な交流電圧を負荷に印加しておらず、負荷に流す電流も
適切でない問題があった。In the above-mentioned device,
The impedance ZCU, ZCV, ZCW of the ground coil 6-1 is constant, but the impedance ZeU, Z of the feeder 5-A.
Since eV and ZeW increase as the feeder wire 5-A becomes longer, a corresponding voltage drop occurs. Therefore, converter 4
-A problem that the output AC current and the current pattern signal input to the voltage reference calculation circuit 10 when the A starts operation does not apply an appropriate AC voltage to the load, and the current flowing to the load is not appropriate. was there.
【０００７】本発明の目的は、き電線の長さが長くなっ
ても、常に適切な交流電圧を負荷に印加し、適切な電流
を負荷に流すことの出来る変換器の制御装置を提供する
ことにある。An object of the present invention is to provide a converter control device which can always apply an appropriate AC voltage to a load and allow an appropriate current to flow through the load, even if the length of the feeder line becomes long. It is in.
【０００８】[0008]
【課題を解決するための手段】本発明は、上記目的を達
成するために、き電線の長さに対するインピ―ダンスの
大きさをデ―タとして記憶できる負荷係数演算回路を設
け、さらに電圧基準信号と前記負荷係数演算回路の出力
信号とを加算して、ゲ―ト制御回路に適切な電圧基準信
号を出力する加算器を設けたことを特徴とする。In order to achieve the above object, the present invention provides a load coefficient calculating circuit capable of storing the magnitude of the impedance with respect to the length of the feeder as data, and further comprising a voltage reference circuit. An adder for adding a signal and an output signal of the load coefficient calculation circuit and outputting an appropriate voltage reference signal to the gate control circuit is provided.
【０００９】[0009]
【作用】前述のように構成することにより、き電線の長
さが長くなってもき電線の長さに対するインピ―ダンス
の大きさをデ―タとして記憶している負荷係数演算回路
から車両位置によって変化する電圧降下の大きさを算出
し、電圧基準に不足分を補正できるので常に適切な交流
電圧を負荷に印加でき、適切な交流電流を負荷であるき
電線地や地上コイルに流すことができる。With the above construction, even if the length of the feeder wire becomes longer, the load coefficient calculation circuit that stores the magnitude of the impedance with respect to the length of the feeder wire as data is used to calculate the vehicle position. Calculates the magnitude of the voltage drop that changes depending on the voltage and corrects the deficiency based on the voltage reference, so that an appropriate AC voltage can always be applied to the load, and an appropriate AC current can be sent to the wire ground or ground coil when the load is used. .
【００１０】[0010]
【実施例】以下、本発明の一実施例を図３と同一部には
同一符号を付して示す図１を参照して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
【００１１】図１において、１４は予めき電線の長さに
対するインピ―ダンスＺeU，ＺeV，ＺeWの大きさをデ―
タとして記憶できる負荷係数演算回路、１５は電圧基準
算出回路１０の出力である電圧基準信号と負荷係数演算
回路１４の出力信号とを加算して、ゲ―ト制御回路１３
に適切な電圧基準信号を出力する加算器である。In FIG. 1, reference numeral 14 denotes in advance the magnitude of impedance ZeU, ZeV, ZeW with respect to the length of the feeder wire.
A load coefficient calculation circuit 15 which can be stored as a data is added to a voltage reference signal which is an output of the voltage reference calculation circuit 10 and an output signal of the load coefficient calculation circuit 14, and a gate control circuit 13 is provided.
Is an adder that outputs an appropriate voltage reference signal.
【００１２】いま、車両位置検出器１２により変換器４
―Ａを運転するセクションに車両８があるとき、電流パ
タ―ン発生器１１が動作し、ＬＳＭ６を駆動するに必要
な電流パタ―ン信号を電圧基準算出回路１０に入力し、
一方、車両位置検出器１２により与えられたセクション
位置を負荷係数演算回路１４に入力し、負荷係数デ―タ
を出力信号として出力し、電圧基準算出回路１０による
前記電流パタ―ン信号と電流検出器９Ｕ，９Ｖ，９Ｗに
より検出した変換器の出力電流から論理演算により算出
された信号と負荷係数演算回路１４から出力された信号
を加算器１５に入力し、変換器４―Ａの出力電圧を決定
する電圧基準を算出し、加算器１５より出力された信号
をゲ―ト制御回路１３に入力し、ゲ―ト制御回路１３は
ゲ―トパルスを発生させ変換器４―Ａの主回路を構成す
る半導体素子の通電期間を変化させ、交流電圧を負荷に
印加し、負荷であるき電線５−Ａ及び地上コイル６−１
に交流電流を流す。Now, the converter 4 is detected by the vehicle position detector 12.
When the vehicle 8 is in the section for driving A, the current pattern generator 11 operates, and inputs a current pattern signal necessary for driving the LSM 6 to the voltage reference calculation circuit 10;
On the other hand, the section position given by the vehicle position detector 12 is input to the load coefficient calculation circuit 14, and the load coefficient data is output as an output signal, and the voltage reference calculation circuit 10 detects the current pattern signal and current detection. The signals calculated by the logical operation from the output currents of the converters detected by the converters 9U, 9V and 9W and the signal output from the load coefficient calculation circuit 14 are input to an adder 15, and the output voltage of the converter 4-A is calculated. The voltage reference to be determined is calculated, and the signal output from the adder 15 is input to the gate control circuit 13, and the gate control circuit 13 generates a gate pulse and forms a main circuit of the converter 4-A. The energizing period of the semiconductor element to be changed is changed, an AC voltage is applied to the load, and the electric wire 5-A and the ground coil 6-1 are the load.
An alternating current
【００１３】き電線が長くなった場合に生じる電圧降下
に対して、電圧降下する分を前記負荷係数演算回路１４
で算出し、前記加算器１５で加算しているので、常に適
切な交流電圧を印加できる。上記動作を更に、図４を参
照して説明すると、１６は変換器等の設備を設置してい
る変電所である。[0013] With respect to the voltage drop that occurs when the feeder line becomes longer, the load coefficient calculation circuit 14
, And the addition is performed by the adder 15, so that an appropriate AC voltage can always be applied. The above operation will be further described with reference to FIG. 4. Reference numeral 16 denotes a substation in which equipment such as a converter is installed.
【００１４】例えば、ＬＳＭ６が１０セクションより構
成され、中間地点にある変電所１６から給電するとき、
変電所１６より最も遠い、第１セクションと第１０セク
ションが最もき電線のインピ―ダンスが大きく、変電所
１６に最も近い第５セクションと第６セクションが最も
インピ―ダンが小さい。For example, when the LSM 6 is composed of 10 sections and is supplied with power from a substation 16 at an intermediate point,
The first and tenth sections farthest from the substation 16 have the largest impedance of the electric wires, and the fifth and sixth sections closest to the substation 16 have the smallest impedance.
【００１５】従って、車両が第１セクションから発進し
たとき負荷係数演算回路１４から出力される大きさが最
も大きく、車両が変電所１６に近づく程、負荷係数演算
回路１４から出力される大きさが小さくなり、変電所１
６を車両８が通過し、変電所１６からさらに遠ざかるほ
ど前記負荷係数演算回路１４から出力される大きさが大
きくなり、第１０セクションで最大になる負荷係数デ―
タＡを加算器１５に加算している。Accordingly, when the vehicle starts from the first section, the magnitude outputted from the load coefficient computing circuit 14 is the largest. As the vehicle approaches the substation 16, the magnitude outputted from the load coefficient computing circuit 14 becomes larger. Substation 1
6 and the further away from the substation 16, the larger the output from the load coefficient calculation circuit 14 becomes, the larger the load coefficient data which becomes maximum in the tenth section.
Is added to the adder 15.
【００１６】[0016]
【発明の効果】以上説明のように本発明によれば、き電
線の長さに対するインピ―ダンスの大きさをデ―タとし
て記憶できる負荷係数演算回路と、更に、電圧基準信号
と前記負荷係数演算回路の出力信号を加算して、ゲ―ト
制御回路に適切な電圧基準信号として出力する加算器を
設けたことによって、き電線の長さが長くなった場合に
生じる電圧降下に対して電圧降下する分を負荷係数演算
回路で算出し、加算器で加算しているので、常に適切な
交流電圧を負荷に印加でき、高精度な変換器の制御装置
を提供できる。As described above, according to the present invention, a load coefficient calculating circuit capable of storing the magnitude of the impedance with respect to the length of the feeder as data, a voltage reference signal and the load coefficient By providing an adder that adds the output signal of the arithmetic circuit and outputs it as an appropriate voltage reference signal to the gate control circuit, the voltage against the voltage drop that occurs when the length of the feeder line becomes longer is provided. Since the amount of drop is calculated by the load coefficient calculation circuit and added by the adder, an appropriate AC voltage can always be applied to the load, and a highly accurate converter control device can be provided.
【図１】本発明の一実施例を示す変換器の制御装置のブ
ロック図。FIG. 1 is a block diagram of a converter control device according to an embodiment of the present invention.
【図２】浮上式鉄道用リニアシンクロナスモ―タと変換
器との配置図。FIG. 2 is a layout diagram of a linear synchronous motor for a levitation type railway and a converter.
【図３】従来の変換器の制御装置のブロック図。FIG. 3 is a block diagram of a conventional converter control device.
【図４】本発明を説明するための車両位置と負荷係数デ
―タとの関係を示した図。FIG. 4 is a diagram showing a relationship between a vehicle position and load coefficient data for explaining the present invention.
１ …交流母線 ２
…遮断器 ３―Ａ，３―Ｂ…変圧器器 ４―Ａ，４―Ｂ
…変圧器器 ５―Ａ，５―Ｂ…き電線 ６
…ＬＳＭ ６―１ …地上コイル ７
…セクションスイッチ ８ …車両 ９Ｕ，９Ｖ，９
Ｗ…電流検出器 １０ …電圧基準算出回路 １１
…電流パタ―ン発生器 １２ …車両位置検出器 １３
…ゲ―ト制御回路 １５ …加算器 １６
…変電所1 ... AC bus 2
... Breaker 3-A, 3-B ... Transformer 4-A, 4-B
… Transformers 5-A, 5-B… Feeding wires 6
... LSM 6-1 ... ground coil 7
... Section switch 8 ... Vehicle 9U, 9V, 9
W: current detector 10: voltage reference calculation circuit 11
... Current pattern generator 12 ... Vehicle position detector 13
... Gate control circuit 15 ... Adder 16
…substation
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭56−101305（ＪＰ，Ａ) 特開 昭57−95195（ＪＰ，Ａ) 特開 昭59−47904（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B60L 13/03 ────────────────────────────────────────────────── (5) References JP-A-56-101305 (JP, A) JP-A-57-95195 (JP, A) JP-A-59-47904 (JP, A) (58) Field (Int.Cl. 7 , DB name) B60L 13/03
Claims (1)
を駆動する変換器の制御装置において、車両位置検出器
を有し、前記変換器が給電するき電線の長さが長くなり
負荷インピーダンスが前記車両位置検出器が検出する車
両位置によって変化しても前記負荷イピーダンスによる
電圧降下分を車両位置に応じて補正する負荷係数演算手
段を具備したことを特徴とする変換器の制御装置。1. A control device for a converter for driving a levitation type linear synchronous motor for a railway, comprising a vehicle position detector, wherein a length of a feeder line fed by the converter is increased and a load impedance is reduced by the vehicle position. A control device for a converter, comprising: a load coefficient calculating unit that corrects a voltage drop due to the load impedance according to a vehicle position even if the voltage drop changes according to a vehicle position detected by a detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3279151A JP3011503B2 (en) | 1991-10-25 | 1991-10-25 | Converter control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3279151A JP3011503B2 (en) | 1991-10-25 | 1991-10-25 | Converter control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05122806A JPH05122806A (en) | 1993-05-18 |
| JP3011503B2 true JP3011503B2 (en) | 2000-02-21 |
Family
ID=17607161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3279151A Expired - Lifetime JP3011503B2 (en) | 1991-10-25 | 1991-10-25 | Converter control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3011503B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112012019646B1 (en) | 2010-02-08 | 2019-09-03 | Abb As | method for controlling a machine or electrical charge, drive controller and use of the drive controller |
-
1991
- 1991-10-25 JP JP3279151A patent/JP3011503B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05122806A (en) | 1993-05-18 |
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