JPS59156183A - Control system for elevator - Google Patents
Control system for elevatorInfo
- Publication number
- JPS59156183A JPS59156183A JP58028786A JP2878683A JPS59156183A JP S59156183 A JPS59156183 A JP S59156183A JP 58028786 A JP58028786 A JP 58028786A JP 2878683 A JP2878683 A JP 2878683A JP S59156183 A JPS59156183 A JP S59156183A
- Authority
- JP
- Japan
- Prior art keywords
- chopper
- thyristor
- elevator
- voltage
- frequency
- 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
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/281—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices the DC motor being operated in four quadrants
- H02P7/2815—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices the DC motor being operated in four quadrants whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Elevator Control (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
Description
【発明の詳細な説明】
この発明はエレベータの制御方式に関し、特に直流電動
機をサイリスクで速度制御する際の力率改善に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an elevator control system, and more particularly to improving the power factor when controlling the speed of a DC motor using sirisk.
・第１図は従来から用いられている界磁切換型のサイリ
スクレオナード方式エレベータの制御回路構成図である
。同図においてＲ，Ｓ、Ｔは三相交流電流、工はかご、
２はロープ、３は釣り合い錘、４は綱車、５は主回路用
サイリスタ、６はＤＣＩＪアクドル、７は電動機電機子
、８Ａは主回路接触器の常開接点、８Ｂは主回路接触器
の常閉接点、９は直流制御用抵抗、ＩＯは電動機界磁、
１１゜１２は界磁制御用サイリスタ、１３はトランス、
１４は速度計発電機、１５は点弧制御回路、１６は速度
指令発生回路、１７は抵抗Ｒ，ＩＪアクドルＬおよびコ
ンデンサＣの直列接続からなる消音用フィルタである。・Figure 1 is a control circuit configuration diagram of a conventionally used field-switching type Siris-Leonard type elevator. In the same figure, R, S, and T are three-phase alternating currents,
2 is the rope, 3 is the counterweight, 4 is the sheave, 5 is the main circuit thyristor, 6 is the DCIJ axle, 7 is the motor armature, 8A is the normally open contact of the main circuit contactor, 8B is the main circuit contactor. Normally closed contact, 9 is DC control resistance, IO is motor field,
11° 12 is a field control thyristor, 13 is a transformer,
14 is a speedometer generator, 15 is an ignition control circuit, 16 is a speed command generation circuit, and 17 is a noise filter consisting of a resistor R, an IJ accelerator L, and a capacitor C connected in series.
このように構成されるエレベータは通常、カ行。Elevators configured in this way usually have two rows.
回生、上昇および下降の４象限の制御が行なわれる。同
図において前記上昇、カ行時はサイリスタ１ ’ｌを用
いて界磁ｌＯをほぼ一定に励磁し、速度制御はサイリス
タ５の位相角制御で行なう。また上昇１回生時は電動機
界磁ｌＯの励磁をサイリスタ１２によって逆方向にして
行なう。さらに下降時はこの逆となる。Control is performed in four quadrants: regeneration, raising, and lowering. In the figure, during the upward and downward movements, the field lO is excited almost constantly using the thyristor 1'l, and the speed control is performed by controlling the phase angle of the thyristor 5. Further, during the first upward regeneration, the motor field IO is excited in the opposite direction by the thyristor 12. The opposite is true when descending further.
通常、前述したエレベータの制御方式に用いられるサイ
リスタ変換器の入力力率Ｐｆは、ただし、ＶＤＣは直流
側出力電圧
ＥＡＣは交流側入力電圧の実効値で表
わされるので、ニレ゛ベータの如く低速から高速迄の繰
り返し駆動が多い場合にはその平均力率は４０〜５０チ
となって低いため大型の電源設備が必要となる。また、
第１図においてサイリスタ５で制御されたリップル電流
によって電動機電機子７から騒音が出るのを防止するた
めの消音用フィルタ１７は電源周波数の約６倍に同調し
ているが、大型のフィルタ構成が必要であった。なお、
９は非常時に常開接点８Ａを開き、常閉接点８Ｂを閉じ
ることによって直流制動をかけるための抵抗である。Normally, the input power factor Pf of the thyristor converter used in the elevator control method described above is, however, VDC is the DC side output voltage EAC is expressed by the effective value of the AC side input voltage, If there are many repeated drives up to high speeds, the average power factor will be as low as 40 to 50 inches, requiring large power supply equipment. Also,
In FIG. 1, the noise reduction filter 17 for preventing noise from the motor armature 7 due to the ripple current controlled by the thyristor 5 is tuned to about 6 times the power supply frequency, but the large filter structure is It was necessary. In addition,
9 is a resistor for applying DC braking by opening the normally open contact 8A and closing the normally closed contact 8B in an emergency.
したがって、この発明は前述の問題点を解消するために
なされたものであり、その目的は、力率を改善させると
ともにフィルタ構造を小型化させ、小型で高力率を可能
にしたエレベータの制御方式を提供することにある。Therefore, this invention was made in order to solve the above-mentioned problems, and its purpose is to improve the power factor and reduce the size of the filter structure, thereby providing an elevator control system that enables a small size and a high power factor. Our goal is to provide the following.
以下図面を用いてこの発明の実施例を詳細に説明する。Embodiments of the present invention will be described in detail below with reference to the drawings.
第２図はこの発明によるエレベータの制御方式の一実施
例を説明するための回路構成図である。FIG. 2 is a circuit configuration diagram for explaining one embodiment of the elevator control method according to the present invention.
同図において、第１図と同一符号は同一部分を表わし、
サイリスタ５の両端部にはＤＣリアクトル６を介してコ
ンデンサ１８が直列接続され、またこのＧＣＩＪアクド
ル６と電動機電機子７の間には数Ｋ Ｈｚ以上のチョッ
パ周波数を有するチョッパ１９が接続され、さらにこの
電動機電機子７０両端部にはチョッパ１９がオフモード
時に電動機電機子７に流れる電流のオフ防止用のフライ
ホイールダイオード２ｏが接続されている。また上記以
外の構成は第１図に示したものと同様であるのでその説
明を省略する。In the figure, the same symbols as in Figure 1 represent the same parts,
A capacitor 18 is connected in series to both ends of the thyristor 5 via a DC reactor 6, and a chopper 19 having a chopper frequency of several KHz or more is connected between the GCIJ accelerator 6 and the motor armature 7. A flywheel diode 2o for preventing the current flowing through the motor armature 7 from turning off when the chopper 19 is in the off mode is connected to both ends of the motor armature 70. Further, since the configuration other than the above is the same as that shown in FIG. 1, the explanation thereof will be omitted.
このような構成において、サイリスタ５は位相角制御を
ほとんど行なわず、直流出方電圧のみをほぼ一定値に保
持させ、コンデンサ１８の両端の電圧は点弧制御回路１
５にフィードバックされ、回生モード時に電圧が上昇す
ると、サイリスタ５が制御されて回生きれるようになる
。また、チョッパ１９は電動機電機子７に流れるｒ電圧
、電流がエレベータの速度指令値にしたがってチョッパ
制御される。また、この場合、チョッパ１９のチョッパ
周波数を数ＫＨ’ｚ以上に設定しておくことに゛よって
、電動機電機子７に流れるリップル電流の周波数が可聴
周波数外となり、第１図で示したフィルタ１７を不要と
するととができる。In such a configuration, the thyristor 5 hardly performs phase angle control, and only the DC forward voltage is held at a substantially constant value, and the voltage across the capacitor 18 is controlled by the ignition control circuit 1.
5 and when the voltage increases during regeneration mode, the thyristor 5 is controlled to enable regeneration. Further, in the chopper 19, the voltage and current flowing through the motor armature 7 are chopper-controlled in accordance with the elevator speed command value. In addition, in this case, by setting the chopper frequency of the chopper 19 to several KHz or more, the frequency of the ripple current flowing through the motor armature 7 becomes outside the audible frequency, and the filter 17 shown in FIG. If you make it unnecessary, you can do it.
以上説明したようにこの発明によれば、サイリスタレオ
ナードの後にチョッパを接続することによって、力率を
改善することが出来、電源設備容量が少なくて済むとと
もに、チョッパ周波数を高くすることでフィルタが小さ
くて済むことないしは不要とすることができるという効
果が得られる。As explained above, according to the present invention, by connecting a chopper after the thyristor Leonard, the power factor can be improved, the power supply equipment capacity can be reduced, and the filter can be made smaller by increasing the chopper frequency. This has the advantage that it can be avoided or even become unnecessary.
なお、前述した実施例においては、界磁切りかえ型で説
明したが、この発明は界磁電流の方向を切りかえないデ
ュアルコントロール型に適用しても同様の効果が得られ
ることは勿論である。ただし、界磁切りかえ型の場合、
主回路の電流方向が一定となるのでチョッパが一組で済
むので、本方式は界磁切りかえ型に最適である。In the above-mentioned embodiments, the field switching type was explained, but it goes without saying that the same effect can be obtained even if the present invention is applied to a dual control type in which the direction of the field current is not switched. However, in the case of field switching type,
Since the current direction in the main circuit is constant, only one set of choppers is required, so this method is ideal for field switching type.
ｉＥＩ図は従来のエレベータの制御回路の一例を示すブ
ロック図、第２図は本発明によるエレベータの制御方式
に係わる制御回路の一例を示すブロック図である。
■・・・・・・かご、２・・・・・・ロープ、３・・団
・釣り合い錘、４・・・・・・綱車、５・・川・サイリ
スタ、６・・・・・・ＤＣリアクトル、７・・・・・・
電動機電機子、８Ａ・・・・・・常開接点、８Ｂ・・・
・・・常閉接点、９・・・・・・直流制動用抵抗、ｉ。
・・・・・・電動機界磁、１１．１２・・・・・・界磁
制御用サイリスタ、工３・・・・・・トランス、１４・
・団・速度計発電機、１５・・・・・・点弧制御回路、
１６・・・山速度指令発生装置、１７・・・・・・消音
用フィルタ、１８・旧・・コンデンサ、１９・・・・・
・チョッパ、２ｏ・・・・・・フライホイールダイオー
ド。
なお、図中同一部分または相当部分は同一符合により示
す。
代理人 葛 野 信 −（ほか１名）FIG. iEI is a block diagram showing an example of a conventional elevator control circuit, and FIG. 2 is a block diagram showing an example of a control circuit related to the elevator control method according to the present invention. ■・・・basket, 2...rope, 3...group/counterweight, 4...sheave, 5...river/thyristor, 6... DC reactor, 7...
Motor armature, 8A... Normally open contact, 8B...
... Normally closed contact, 9 ... DC braking resistance, i. ......Motor field, 11.12...Thyristor for field control, Engineering 3...Transformer, 14.
・Group・Speedometer generator, 15...Ignition control circuit,
16... Mountain speed command generator, 17... Silence filter, 18... Old capacitor, 19...
・Chopper, 2o...Flywheel diode. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals. Agent Shin Kuzuno - (1 other person)
Claims (1)
と、前記電動機界磁を制御する第２のサイリスタ変換器
とを備えた界磁制御方式エレベータの制御方式において
、前記第１のサイリスタと電機子との間にチョッパを接
続し、前記エレベータの運転モードに対応してチョッパ
制御させることを特徴としたエレベータの制御方式。In a control method for a field-controlled elevator comprising a first thyristor multi-converter that controls an armature of a DC motor and a second thyristor converter that controls a field of the motor, the first thyristor and the armature A control system for an elevator, characterized in that a chopper is connected between the elevator and the elevator, and the chopper is controlled in accordance with the operation mode of the elevator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58028786A JPS59156183A (en) | 1983-02-23 | 1983-02-23 | Control system for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58028786A JPS59156183A (en) | 1983-02-23 | 1983-02-23 | Control system for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59156183A true JPS59156183A (en) | 1984-09-05 |
Family
ID=12258103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58028786A Pending JPS59156183A (en) | 1983-02-23 | 1983-02-23 | Control system for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61210885A (en) * | 1985-03-13 | 1986-09-19 | Rengo Co Ltd | Power source circuit for driving motor |
| CN104210909A (en) * | 2014-08-22 | 2014-12-17 | 上海吉亿电机有限公司 | Load controller for elevator and frequency converter for elevator |
-
1983
- 1983-02-23 JP JP58028786A patent/JPS59156183A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61210885A (en) * | 1985-03-13 | 1986-09-19 | Rengo Co Ltd | Power source circuit for driving motor |
| CN104210909A (en) * | 2014-08-22 | 2014-12-17 | 上海吉亿电机有限公司 | Load controller for elevator and frequency converter for elevator |
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