JPS61224804A - Controlling method for electric railcar - Google Patents
Controlling method for electric railcarInfo
- Publication number
- JPS61224804A JPS61224804A JP6203685A JP6203685A JPS61224804A JP S61224804 A JPS61224804 A JP S61224804A JP 6203685 A JP6203685 A JP 6203685A JP 6203685 A JP6203685 A JP 6203685A JP S61224804 A JPS61224804 A JP S61224804A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- excitation
- weakening
- brake
- field
- 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
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は電気車制御方法、特にチョッパ制御車におい
て回生ブレーキをかける直前に主電動機に予備励磁電流
を流す方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for controlling an electric vehicle, and particularly to a method for supplying a pre-excitation current to a traction motor immediately before applying regenerative braking in a chopper-controlled vehicle.
車両減速時に、主電動機を発電機として作用させ、回生
ブレーキをかけるチョッパ制御車の主回路のつなぎ、図
を第参図に示す。同図において、(/1は主電動機の電
機子、(2)は界磁コイル、(,71は主平滑リアクト
ル、 C4j)はチョッパ装置、(j)はブロッキング
ダイオード、(1)はフィルタコンデンサ、(7)はフ
ィルタリアクトル、 (f)は集電器であり、(9)(
10)(//)は主回路の断流器である。そして、(/
コ)は弱めスイッチ、(/J)は弱め界磁抵抗器、(/
$)は予備励磁スイン!、(/&)は予備励磁装置であ
る。直列接続されている弱めスイッチ(1コ)および弱
め界磁抵抗器(tS)は、界磁コイル(コ)i/c並列
に接続された分流回路を構成し、また、同様に直列接続
されている予備励磁スイッチ(ta)および予備励磁装
置(/3)はやはり界磁コイル(コ)に並列に接続され
た予備励磁手段を構成する。When the vehicle decelerates, the main electric motor acts as a generator and regenerative braking is applied.The connection diagram of the main circuit of the chopper control vehicle is shown in Figure 1. In the same figure, (/1 is the armature of the main motor, (2) is the field coil, (, 71 is the main smoothing reactor, C4j) is the chopper device, (j) is the blocking diode, (1) is the filter capacitor, (7) is a filter reactor, (f) is a current collector, and (9) (
10) (//) is a current breaker in the main circuit. and,(/
ko) is a weakening switch, (/J) is a field weakening resistor, (/
$) is pre-excitation switch-in! , (/&) is a pre-excitation device. The series-connected weakening switch (1) and field-weakening resistor (tS) constitute a shunt circuit connected in parallel to the field coil (I/C), and the The pre-excitation switch (ta) and the pre-excitation device (/3) also constitute a pre-excitation means connected in parallel to the field coil (co).
次に、従来の制御方法について説明する。回生ブレーキ
制御の定常的な動作は周知であるので。Next, a conventional control method will be explained. The steady operation of regenerative brake control is well known.
ここでは省略し、定常的な回生ブレーキ制@忙到るまで
の制御方法について説明する。The description will be omitted here, and the control method for steady regenerative braking @ until the brake is fully loaded will be explained.
回生ブレーキを作用させる時の主電動機の界磁率は、高
速域から回生ブレーキを効かずためk、一般的に弱め界
磁率としている場合が多い0弱め界磁を行なう際は、第
9図において界磁コイル(:1)に並列に接続された分
流回路の弱めスイッチ(lコ)を投入して、所定の界磁
率になるように抵抗値が定められた1弱め界磁抵抗器(
/、7)K主電動機電流を分流させる。従って、回生ブ
レーキをかける時は、事前に弱めスイッチ(/2)を投
入することが条件となる。The field rate of the traction motor when applying regenerative braking is generally set to 0, since regenerative braking does not work from a high-speed range. Turn on the weakening switch (1) of the shunt circuit connected in parallel to the magnetic coil (1), and connect the field weakening resistor (1) whose resistance value is determined to achieve a predetermined field rate.
/, 7) Dividing the K traction motor current. Therefore, when applying the regenerative brake, it is necessary to turn on the weakening switch (/2) in advance.
一方、低速域でも安定に回生電流を立上げるために1通
常、予備励磁装置(/S)が設けられており、チョッパ
装置(41)が動作する前に予備励磁スイッチ(14t
)を投入して、主電動機の界磁コイル(J)に予備励磁
電流を流し、主電動機電圧を十分IF−誘起させてから
チョッパ制(財)をスタートさせるよ5忙している。On the other hand, in order to stably start up the regenerative current even in the low speed range, a pre-excitation device (/S) is usually provided, and a pre-excitation switch (/S) is installed before the chopper device (41) operates.
), apply a preliminary excitation current to the field coil (J) of the main motor, sufficiently induce the main motor voltage IF-, and then start the chopper system.
これらの弱めスイッチ(lコ)および予備励磁スイッチ
(ハ0の投入は次の順序でなされている。The weakening switch (L) and the pre-excitation switch (C0) are turned on in the following order.
すなわち、運転台からのブレーキ指令を受けると。In other words, when receiving a brake command from the driver's cab.
カ行回路とブレーキ回路を切換える制動転換器(第参図
には図示しない)がブレーキ側に転換して第9図の回路
が構成され1次に弱めスイッチ(1コ)が投入される0
弱めスイッチ(lコ)が投入されると、各断流器0)(
to)(tt)が所定の順番で投入され、同時に予備励
磁スイッチ(/E)も投入され。The brake converter (not shown in Figure 1) that switches between the power line circuit and the brake circuit is switched to the brake side, forming the circuit shown in Figure 9, and the first weakening switch (1 piece) is turned on.
When the weakening switch (L) is turned on, each current interrupter 0)(
to) (tt) are turned on in a predetermined order, and at the same time, the preliminary excitation switch (/E) is also turned on.
主電動機の界磁コイル(コ)Kは予備励磁電流が流れる
。主回路の断流器(v)(to>(tt)が全て投入さ
れるとチョッパ装置(1) Kよる回生ブレーキ制御が
スタートする。従って従来は、第S図に示すようK。A pre-excitation current flows through the field coil (K) of the main motor. When all of the current circuit breakers (v) (to>(tt)) in the main circuit are turned on, regenerative brake control by the chopper device (1) K starts.
「ブレーキ指令1弱めスイッチオン→予備励磁スイッチ
オン」
の順序で各スイッチが投入されていた。なお。Each switch was turned on in the order of ``brake command 1 weakening switch on → pre-excitation switch on''. In addition.
第3図においては、断流器(デ)(tO)(tt)の動
作は省略した。In FIG. 3, the operation of the flow breakers (de) (tO) (tt) is omitted.
上述した従来の制御方法では、予備励磁スイッチが投入
されて予備励磁電流が流れても、その一部は弱め界磁抵
抗器側に流れてしまう。これを第6図に示す。第6図に
おいて、Iは予備励磁装置(tr)から流される予備励
磁電流であり、IRはそのうちの弱め界磁抵抗器(/J
)側に流れる電流。In the conventional control method described above, even if the pre-excitation switch is turned on and the pre-excitation current flows, a portion of it flows to the field-weakening resistor side. This is shown in FIG. In Fig. 6, I is the pre-excitation current flowing from the pre-excitation device (tr), and IR is the field weakening resistor (/J
) side.
工?は界磁コイルC−)側に流れる電流であり、実際に
界磁コイル(コ)電流れる電流ニブは、 Iy=4−
IRで示される。従って、予備励磁装置(/3)の容量
の割に主電動機電圧の励磁効率が悪くなり、特に。Engineering? is the current flowing to the field coil (C-) side, and the current nib that actually flows through the field coil (C) is Iy = 4-
Indicated by IR. Therefore, the excitation efficiency of the main motor voltage becomes poor, especially considering the capacity of the pre-excitation device (/3).
設定された界磁率が低ければ低い程1弱め界磁抵抗器の
値が低くなるため、第6図のIRが大きくなり、励磁効
率が悪くなる。このため。The lower the set field rate, the lower the value of the 1-weakening field resistor, so the IR shown in FIG. 6 becomes larger and the excitation efficiency deteriorates. For this reason.
(a) 予備励磁装置が大形になる。(a) The pre-excitation device becomes large.
(b) 界磁率が変わる毎に予備励磁装置の容量を検
討しなければならない、
等の問題点があった。(b) There were problems such as the need to consider the capacity of the pre-excitation device every time the field rate changed.
この発明は上記のような問題点を解決するためKなされ
たもので予備励磁装置の励磁効率を、ブレーキ時の界磁
率とは無関係にすると共に高い励磁効率が得られるよう
にした制御方法を得ることを目的としている。This invention was made to solve the above-mentioned problems, and provides a control method that makes the excitation efficiency of a pre-excitation device independent of the field rate during braking, and also allows high excitation efficiency to be obtained. The purpose is to
この発明に係る制御方法では、ブレーキ指令を受けて、
愼り図に示すブレーキ回路が構成された後、まず予備励
Sスイッチを投入して予備励磁電流を流し、主電動機電
圧を立上げた後に弱めスイッチを投入するようkした。In the control method according to the present invention, upon receiving a brake command,
After the brake circuit shown in the diagram was constructed, the pre-excitation S switch was first turned on to flow the pre-excitation current, and after the traction motor voltage was raised, the weakening switch was turned on.
弱めスイッチによって弱め界磁抵抗器の分流回路が構成
される前に予備励aをかけることにより、予備励磁装置
の出力電流が全て界磁コイルに流れること忙なり、効率
よく主電動機の予備助出を行なうことができる。By applying pre-excitation a before the field-weakening switch forms the shunt circuit of the field-weakening resistor, all the output current of the pre-excitation device flows to the field coil, allowing efficient pre-excitation of the traction motor. can be done.
第1図は、この発明の制御方法の操作順序を示す図であ
る。すなわち、ブレーキ指令が与えられると、まず予備
励磁スイッチを投入し、予備励$が十分なされた後に1
弱めスイッチを投入するようにした。FIG. 1 is a diagram showing the operation sequence of the control method of the present invention. That is, when a brake command is given, first the pre-excitation switch is turned on, and after the pre-excitation is sufficient, the
I turned on the weak switch.
次に、′jJ/図の操作順序にした場合の予備励磁電流
の流れを第1図に示した。第一図では、予備励磁スイッ
チ(ta)が投入された時点で弱めスイツチ(ノコ)は
開いているので、予備励磁装置(/りからの電流工は全
て界磁コイル(コ)K流れる。Next, FIG. 1 shows the flow of the pre-excitation current when the operation order is as shown in FIG. In Figure 1, the weakening switch (saw) is open when the pre-excitation switch (ta) is turned on, so all current from the pre-excitation device (/) flows through the field coil (K).
また、第2図に示す弱めスイッチ(ノコ)、予備励磁ス
イッチ(ハリを第1図に示す順序で投入させる劃−回路
の一例を第3図に示した。同図において、(デa)(z
(7a)(//a)はそれぞれ第り図に示した主回路の
断流器(q)(io)(tt)の投入コイル、(9b)
(lOb)(//b)はそれぞれの連動a接点、(lコ
ミ)は弱めスイッチ(ノコ)の投入コイル、(1コb)
はその遅wJa接点、(z4(a)は予備励磁スイッチ
(ハ0の投入コイル、 (/111))はその連動a接
点、(/4)は第参図に示すブレーキ時の主回路を構成
するための制動転換器(図示しない)の連動接点で、ブ
レーキ側に転換した時に閉路する。(/7)はブレーキ
指令が与えられてから所定時間経過後に、開路する連動
す接点(この連動す接点の投入コイルは図示しない)で
、界磁電流が所定値以上になると予備励磁を切るために
働く。なお、(1g)はブレーキ指令で加圧されるブレ
ーキ指令線、(lデ)は電源線である。In addition, an example of a cutting circuit that turns on the weakening switch (saw) shown in FIG. 2 and the preliminary excitation switch (saw) shown in FIG. z
(7a) (//a) are the closing coils of the main circuit breakers (q), (io), and (tt) shown in the diagram, respectively, and (9b)
(lOb) (//b) are each interlocking a contact, (lcomi) is the closing coil of the weakening switch (saw), (1 piece b)
is its slow wJa contact, (z4(a) is the pre-excitation switch (ha0 closing coil), (/111) is its interlocking a contact, (/4) constitutes the main circuit during braking as shown in the figure below. (/7) is an interlocking contact of a brake converter (not shown) that closes when the brake switch is switched to the brake side. The closing coil of the contact (not shown) works to cut off the pre-excitation when the field current exceeds a predetermined value. Note that (1g) is the brake command line that is pressurized by the brake command, and (lde) is the power supply line. It is a line.
第3図において、ブレーキ指令によりブレーキ指令11
1(/l>が加圧されると、制動転換器がブレーキ側に
転換したことを条件k、制動転換器の連動接点(/A)
が閉じ、予備励磁スイッチ(ta)の投入コイル(zl
a)が励磁され、第弘図の主回路の予備励磁スイッチ(
ie)が投入されることにより、予備励磁が全界磁状態
で行われる。次に、予備励Sスイッチ(ハ0の連動a接
点(tab)が閉 ゛じたこと釦より、主回路の断流
5(9)の投入コイル(9a)が励磁され、断流器(9
)が投入される。次に、断流器(9)の連動a接点(9
b)が閉じること忙より。In Fig. 3, the brake command 11 is caused by the brake command.
When 1 (/l> is pressurized, the brake converter switches to the brake side. k, the interlocking contact of the brake converter (/A)
is closed, and the closing coil (zl) of the pre-excitation switch (ta) is closed.
a) is energized, and the pre-excitation switch (
ie), pre-excitation is performed in a full field state. Next, when the interlocking A contact (tab) of the pre-excitation S switch (C0) is closed, the closing coil (9a) of the current interrupter 5 (9) in the main circuit is energized, and the current interrupter (9) is energized.
) is inserted. Next, the interlocking a contact (9) of the current interrupter (9)
b) is busy closing.
主回路の弱めスイッチ(ノコ)および断流器(/Q)の
それぞれの投入コイル(tea)が励磁され1弱めスイ
ッチ(ノコ)および断流器(10)が投入され。The closing coils (tea) of the main circuit weakening switch (saw) and current interrupter (/Q) are energized, and the first weakening switch (saw) and current interrupter (10) are turned on.
分流回路が形成される。なお、連動す接点(1り)は上
述したように、界磁電流が所定値以上になると・開放さ
れるため、その時点で予備励磁スイッチ(/4I)の投
入コイル(/la)は消磁され、予備励磁スイッチ(t
a)が開放される。これによってその連動a接点(ta
b)が開放されるが、この連動a接点(tab)には1
弱めスイッチ(ノコ)の連動a接点(lコb)が直列に
接続されているため、断流器fflの投入コイル(9a
)は励磁されつづける。A shunt circuit is formed. As mentioned above, the interlocking contact (1) is opened when the field current exceeds a predetermined value, so at that point the closing coil (/la) of the pre-excitation switch (/4I) is demagnetized. , pre-excitation switch (t
a) is released. This causes the interlocking a contact (ta
b) is opened, but this interlocking a contact (tab) has 1
Since the interlocking A contacts (L and B) of the weakening switch (saw) are connected in series, the closing coil (9a
) continues to be excited.
次に、断流器(lO)の連動a接点(tab)が閉じた
ことくより、主回路の断流器(//)の投入コイル(/
/a)が励磁され、断流器(11)が投入される。すな
わち、断流器は(?)→(10)→(//)の順番で投
入される。そして、断流器(/l)が投入されたことに
よって、その連動a接点(/lb)が閉じ、これと同時
にチョッパートスタート指令が与えられて、チョッパ装
置(44>による回生ブレーキ制御が行われることにな
る。Next, since the linked A contact (TAB) of the current interrupter (IO) is closed, the closing coil (//) of the current interrupter (//) in the main circuit is closed.
/a) is excited and the current interrupter (11) is turned on. That is, the flow breakers are turned on in the order of (?) → (10) → (//). When the flow interrupter (/l) is turned on, its linked a contact (/lb) is closed, and at the same time, a chopper start command is given, and regenerative brake control is performed by the chopper device (44>). You will be killed.
以上のように、この発明による制御方法においては1回
生ブレーキの弱めスイッチを投入する前に予備励磁をか
けるようKしたので、予備励磁の効率が向上し、予備励
磁装・童の容量を小さくでき、また予備励磁装置の容量
が界磁率に左右されないので、予励装置を標準化できる
ので、装置が安価でより効率のよい制御方法が得られる
という効果が得られる。As described above, in the control method according to the present invention, pre-excitation is applied before turning on the weakening switch of the first regenerative brake, so the efficiency of pre-excitation is improved and the capacity of the pre-excitation device/child can be reduced. Furthermore, since the capacity of the pre-excitation device is not affected by the field rate, the pre-excitation device can be standardized, resulting in the advantage that the device is inexpensive and a more efficient control method can be obtained.
第1図はこの発明による制御方法のシーケンスを示す図
、第一図はこの発明による制御方法の説明のための図、
第3図はこの発明の制御方法を実施するための制御回路
の一例を示す回路図、第9図はこの発明が適用される回
生ブレーキ時の主回路のつなぎ図、第3図は従来の制御
方法のシーケンスを示す図、第6図は第3図の従来の制
御方法の説明のための回路図である。
図において、(1コ)は弱めスイッチ、(7,7)は弱
め界磁抵抗器、(ta)は予備励磁スイッチ、(/j)
は予備励磁装置である。
なお、各図中、同一符号は同−又は相当部分を示す。
帛1図
氾4図FIG. 1 is a diagram showing the sequence of the control method according to the present invention, FIG. 1 is a diagram for explaining the control method according to the present invention,
Fig. 3 is a circuit diagram showing an example of a control circuit for carrying out the control method of the present invention, Fig. 9 is a connection diagram of the main circuit during regenerative braking to which this invention is applied, and Fig. 3 is a conventional control circuit. A diagram showing the sequence of the method, FIG. 6 is a circuit diagram for explaining the conventional control method of FIG. 3. In the figure, (1) is a weakening switch, (7, 7) is a field weakening resistor, (ta) is a pre-excitation switch, (/j)
is a pre-excitation device. In each figure, the same reference numerals indicate the same or corresponding parts. Figure 1 Flood Figure 4
Claims (1)
置および予備励磁スイッチが直列接続されてなる予備励
磁手段と、前記界磁コイルに並列接続され弱め界磁抵抗
器および弱めスイッチが直列接続されてなる分流回路と
を備えたチョッパ制御車において、 ブレーキ指令が与えられると、前記予備励磁スイッチを
投入して前記予備励磁電流を流し、主電動機電圧を立上
がらせてから前記弱めスイッチを投入して所定の弱め界
磁率で回生ブレーキ制御をスタートさせることを特徴と
する電気車制御方法。[Scope of Claims] Pre-excitation means comprising a pre-excitation device and a pre-excitation switch connected in series to supply a pre-excitation current to a field coil of a main motor, a field-weakening resistor and a pre-excitation switch connected in parallel to the field coil; In a chopper-controlled vehicle equipped with a shunt circuit in which weakening switches are connected in series, when a brake command is given, the pre-excitation switch is turned on to flow the pre-excitation current, and the main motor voltage is started up. An electric vehicle control method characterized in that the weakening switch is turned on to start regenerative brake control at a predetermined field weakening rate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6203685A JPS61224804A (en) | 1985-03-28 | 1985-03-28 | Controlling method for electric railcar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6203685A JPS61224804A (en) | 1985-03-28 | 1985-03-28 | Controlling method for electric railcar |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61224804A true JPS61224804A (en) | 1986-10-06 |
Family
ID=13188534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6203685A Pending JPS61224804A (en) | 1985-03-28 | 1985-03-28 | Controlling method for electric railcar |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61224804A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014143920A (en) * | 2010-08-23 | 2014-08-07 | Toshiba Schneider Inverter Corp | Inverter device |
-
1985
- 1985-03-28 JP JP6203685A patent/JPS61224804A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014143920A (en) * | 2010-08-23 | 2014-08-07 | Toshiba Schneider Inverter Corp | Inverter device |
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