JPS63178789A - Driving device of elevator - Google Patents

Driving device of elevator

Info

Publication number
JPS63178789A
JPS63178789A JP62008930A JP893087A JPS63178789A JP S63178789 A JPS63178789 A JP S63178789A JP 62008930 A JP62008930 A JP 62008930A JP 893087 A JP893087 A JP 893087A JP S63178789 A JPS63178789 A JP S63178789A
Authority
JP
Japan
Prior art keywords
phase
elevator
terminals
output
input terminal
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
Application number
JP62008930A
Other languages
Japanese (ja)
Inventor
Makoto Shimodera
誠 下寺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Elevator Engineering and Service Co Ltd
Original Assignee
Hitachi Elevator Engineering and Service Co Ltd
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.)
Filing date
Publication date
Application filed by Hitachi Elevator Engineering and Service Co Ltd filed Critical Hitachi Elevator Engineering and Service Co Ltd
Priority to JP62008930A priority Critical patent/JPS63178789A/en
Publication of JPS63178789A publication Critical patent/JPS63178789A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00Control systems of elevators in general
    • B66B1/24Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B66B1/308Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor with AC powered elevator drive

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE:To allow an elevator to be used from a single-phase AC power source, by switching the phase rotational direction of three-phase AC output in an inverter device converting the single-phase AC to the three-phase AC according to the operational direction of the elevator. CONSTITUTION:When a push-button switch 11 for descending operation is pressed, the output voltage of a rectifier 6 to rectify the single-phase AC is applied to a relay 3 for descending operation and contacts 3-4 and 3-5 will turn ON. Among the control signal input terminals 1a of an inverter 1, as a result, shortcircuit is caused across terminals t6 and t7 and across terminals t8 and t9 where the phase rotating direction of three-phase AC output of an inverter device 1 is of descending direction of the motor of an elevator. On the other hand, if a push-button switch 10 for ascending operation is pressed, then the contact 2-5 of a relay will turn ON likewise and the contact 2-4 OFF, so that the shortcircuit is caused across terminal t6 and t7 while the circuit is opened across terminals t8 and t9, where the phase rotating direction of AC output of the inverter device is of ascending operation.

Description

【発明の詳細な説明】 〈産業上の利用分野〉 本発明はエレベータの運転装置、特に仮設電源を使用し
てのエレベータの据付作業或は撤去作業を行うためのエ
レベータの運転装置に関するものである。
[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an elevator operating device, and particularly to an elevator operating device for installing or removing an elevator using a temporary power source. .

〈従来の技術〉 エレベータの新規据付作業或は経年エレベータの撤去作
業には、専用のエレベータの運転装置を使用するとその
作業を能率よく行うことが出来るので、この種のエレベ
ータの運転装置が例えば特開昭59−108671号公
報で提案されている。
<Prior art> When installing a new elevator or dismantling an old elevator, it is possible to perform the work more efficiently by using a dedicated elevator operating device. This is proposed in JP-A-59-108671.

この従来提案されているエレベータの運転装置を使用す
ると、エレベータの新規据付作業或は経年エレベータの
撤去作業を迅速に能率よく行うことが出来る。
By using this conventionally proposed elevator operating device, it is possible to quickly and efficiently install a new elevator or remove an old elevator.

しかし、従来提案されているエレベータの運転装置は、
入力電源に三相交流電源を使用しているために作業現場
に三相交流電源が供給されていないと、装置を駆動する
ことが出来ない。
However, the elevator operating devices that have been proposed so far are
Since three-phase AC power is used as the input power source, the device cannot be operated unless three-phase AC power is supplied to the work site.

〈発明が解決しようとする問題点〉 然るに、例えばエレベータの新規据付作業をする建築現
場では、作業に使用する機器や工具類はすべて単相交流
電源で駆動されるなめに、建築期間中は原則として単相
交流電源のみが設けられる。
<Problems to be solved by the invention> However, for example, at a construction site where a new elevator is being installed, all the equipment and tools used for the work are powered by single-phase AC power, and as a general rule, during the construction period, no equipment or tools are used. Only single-phase AC power is provided.

このために、前述した従来提案されているエレベータの
運転装置を使用するには、建築現場に特別に三相交流電
源を設けることが必要で、取扱い上不便であった。
For this reason, in order to use the previously proposed elevator operating device described above, it is necessary to specially provide a three-phase AC power source at the construction site, which is inconvenient in handling.

本発明は、前述のような従来提案されている工レベータ
の運転装置の現状に鑑みてなされたものであり、その目
的は単相交流電源で使用可能で、通常の建築現場におい
てエレベータの本設電動機を駆動して、エレベータの据
付作業或は撤去作業を能率的に行い得るエレベータの運
転装置を提供することにある。
The present invention was made in view of the current state of the previously proposed operating devices for construction elevators as described above, and its purpose is to enable use with a single-phase AC power supply and to facilitate the actual installation of elevators at ordinary construction sites. An object of the present invention is to provide an elevator operating device that can efficiently perform elevator installation or removal work by driving an electric motor.

く問題点を解決するための手段〉 前述した目的を達成するために、本発明では単相交流電
源に接続される入力端子と三相交流出力を供給する出力
端子とを具備するインバータ装置と、前記入力端子に接
続され、エレベータの運転方向に応じて前記インバータ
装置の三相交流出力の相回転方向を切換える切換手段と
を有する構成となっている。
Means for Solving the Problems> In order to achieve the above-mentioned object, the present invention provides an inverter device comprising an input terminal connected to a single-phase AC power source and an output terminal supplying a three-phase AC output; A switching means is connected to the input terminal and switches the phase rotation direction of the three-phase AC output of the inverter device according to the operating direction of the elevator.

く作用〉 本発明では、インバータ装置の入力端子を単相交流電源
に接続し、且つ切換手段を単相交流電源に接続して、切
換手段を切換操作することによってインバータ装置の三
相交流出力の相回転方向を切換えて、エレベータの本設
電動機を駆動させてエレベータの上昇運転酸は下降運転
を行わせることが出来る。従って、三相交流電源がなく
ても単相交流電源さえあれば、エレベータの運転装置を
駆動することが出来るので、通常の建築現場で使用して
エレベータの据付作業或は撤去作業を能率よく行うこと
が出来る。
In the present invention, the input terminal of the inverter device is connected to a single-phase AC power source, the switching means is connected to the single-phase AC power source, and the switching means is operated to switch the three-phase AC output of the inverter device. By switching the phase rotation direction and driving the elevator's built-in electric motor, the elevator can be operated in an upward direction or in a downward direction. Therefore, even if you do not have a three-phase AC power supply, you can drive the elevator operating equipment with a single-phase AC power supply, so it can be used at ordinary construction sites to efficiently install or dismantle elevators. I can do it.

〈実施例〉 以下、本発明の実施例を第1図および第2図を使用して
詳細に説明する。
<Example> Hereinafter, an example of the present invention will be described in detail using FIGS. 1 and 2.

ここで、第1図は本発明の実施例の構成を示す回路図で
、第2図は本発明の実施例を使用したエレベータ据付作
業の概要を示す昇降路内正面説明図である。
Here, FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory front view of the inside of a hoistway showing an outline of elevator installation work using the embodiment of the present invention.

第1図に示すように、本発明の実施例にはインバータ装
置1が設けられ、このインバータ装置1にはナイフスイ
ッチ5を介して単相交流電源Sに接続可能な入力端子t
I、t2が具備され、さらに三相モータの巻線端子4に
接続可能な出力端子t3、t4、t5が設けられている
As shown in FIG. 1, the embodiment of the present invention is provided with an inverter device 1, which has an input terminal t connectable to a single-phase AC power source S via a knife switch 5.
I, t2, and output terminals t3, t4, t5 connectable to the winding terminals 4 of the three-phase motor.

また、インバータ装置1には制御信号入力端子1aが設
けられ、この制御信号入力端子1aの制御端子t6およ
びt7間に接点2−5および3−5が互いに並列に接続
されている。同様にして、制御信号入力端子1aの制御
端子上8及びも9間に、接点2−4及び3−4が互いに
直列に接続されている。
Further, the inverter device 1 is provided with a control signal input terminal 1a, and contacts 2-5 and 3-5 are connected in parallel to each other between control terminals t6 and t7 of the control signal input terminal 1a. Similarly, contacts 2-4 and 3-4 are connected in series between the control terminals 8 and 9 of the control signal input terminal 1a.

これらの接点には、後述する上昇運転用リレー2及び下
降運転用リレー3が付勢されると、ON或は0FFL、
これらの接点のON −OFFに対応して、インバータ
装置1にそれぞれ対応する制御信号が入力されるように
なっている。前述の制御信号入力端子1aと接点2−4
.2−5.3−4及び3−5とが、切換手段を構成して
いる。
These contacts turn ON or 0FFL when the rising operation relay 2 and the falling operation relay 3, which will be described later, are energized.
Corresponding to the ON and OFF states of these contacts, corresponding control signals are input to the inverter device 1, respectively. The aforementioned control signal input terminal 1a and contact point 2-4
.. 2-5, 3-4 and 3-5 constitute a switching means.

インバータ装置1の入力端子t1、t2には、整流器6
の入力端子が接続され、ナイフスイッチ5を介して単相
交流電源Sが整流器6の入力端子に供給され、整流器6
の出力端子からは単相交流が整流された直流信号が得ら
れるように構成されている。この整流器6の出力端子間
には、パイロットランプ7が接続され、このパイロット
ランプ7に並列にブザー8と接点3−2の直列接続回路
が接続され、接点3−2には接点2−2が並列に接続さ
れている。
A rectifier 6 is connected to the input terminals t1 and t2 of the inverter device 1.
The input terminal of the rectifier 6 is connected, and the single-phase AC power S is supplied to the input terminal of the rectifier 6 via the knife switch 5.
The configuration is such that a direct current signal obtained by rectifying single-phase alternating current is obtained from the output terminal of. A pilot lamp 7 is connected between the output terminals of the rectifier 6, a series connection circuit of a buzzer 8 and a contact 3-2 is connected in parallel to the pilot lamp 7, and a contact 2-2 is connected to the contact 3-2. connected in parallel.

同様にして、整流器6の出力端子間には上昇運転用リレ
ー2、上昇運転用押釦スイッチ10及び接点3−1が直
列に接続され、さらに整流器6の出力端子間には下降運
転用リレー3、下降運転用押釦スイッチ11及び接点2
−1が直列に接続されている。
Similarly, a rising operation relay 2, a rising operation push button switch 10, and a contact 3-1 are connected in series between the output terminals of the rectifier 6, and a falling operation relay 3, Push button switch 11 and contact 2 for descending operation
-1 are connected in series.

さらに、整流器6の正出力端子が接点2−3を介して電
磁ブレーキ入力端子9の端子tioに接続され、この接
点2−3に並列に接点3−3が接続されている。また、
整流器6の負出力端子は電磁ブレーキ入力端子9の端子
111に接続されている。
Further, the positive output terminal of the rectifier 6 is connected to the terminal tio of the electromagnetic brake input terminal 9 via a contact 2-3, and a contact 3-3 is connected in parallel to this contact 2-3. Also,
A negative output terminal of the rectifier 6 is connected to a terminal 111 of the electromagnetic brake input terminal 9.

このような構成の本考案の実施例は、第2図に示すよう
に装置本体14と携帯可能な操作盤12部分とに分離さ
れ両者間がケーブル13で接続され、現場での使用に便
利な構造となっている。
The embodiment of the present invention having such a configuration is separated into a device body 14 and a portable operation panel 12, which are connected by a cable 13, as shown in FIG. 2, making it convenient for use on site. It has a structure.

本発明の実施例の動作を、第2図を用いて説明する。The operation of the embodiment of the present invention will be explained using FIG.

6一 第2図は例えばエレベータの新規据付は工事現場を示し
ており、エレベータの機械室16内にはエレベータ駆動
用のモータ15が据付けられ、このモータ15の駆動で
回転するプーリを介して、昇降路内に設けた案内レール
18に沿ってロープ17が導かれ、このロー117の一
端には乗かご21が固定されている。ロー117の他端
にはつり合い錘19が固定されており、このロー117
の他端側はつり合い錘案内レール20に案内されて配設
されている。
For example, Fig. 2 shows a construction site where a new elevator is being installed.A motor 15 for driving the elevator is installed in the machine room 16 of the elevator. A rope 17 is guided along a guide rail 18 provided in the hoistway, and a car 21 is fixed to one end of the rope 117. A counterweight 19 is fixed to the other end of the row 117.
The other end is guided by a counterweight guide rail 20.

第2図の工事現場には、建築工事期間中は三相交流電源
は設けられておらず、単相交流電源のみが設けられてい
る。
The construction site shown in Figure 2 is not equipped with a three-phase AC power source during the construction period, but only with a single-phase AC power source.

そこで、本発明の実施例の装置本体14を機械室16内
に持ち込み、機械室16内に設けられている単相交流電
源Sに接続し、端子t3〜t5をモータ15の巻線端子
4に接続する。さらに、装置本体14と操作盤12間を
接続するケーブル13を、昇降路長よりも充分に長く設
定し、作業員は操作盤12を持って乗かご内に乗り込む
Therefore, the device main body 14 of the embodiment of the present invention is brought into the machine room 16, connected to the single-phase AC power supply S provided in the machine room 16, and the terminals t3 to t5 are connected to the winding terminals 4 of the motor 15. Connecting. Furthermore, the cable 13 connecting the device main body 14 and the operation panel 12 is set to be sufficiently longer than the length of the hoistway, and the worker holds the operation panel 12 and gets into the car.

この状態でナイフスイッチ5を投入すると、パイロット
ランプ7が点灯するので、作業員は操作盤12が操作可
能であることを確認することが出来る。
When the knife switch 5 is turned on in this state, the pilot lamp 7 lights up, allowing the operator to confirm that the operation panel 12 can be operated.

乗かご21に下降運転を行わせる場合には、作業員が下
降運転用押釦スイッチ11を押すと、整流器6の出力電
圧が下降運転用リレー3に印加されるので、下降運転用
リレー3が付勢される。下降運転用リレー3が付勢され
ると、接点3−4及び3−5がONとなるので、制御信
号入力端子1aの端子t6及びt7間が短絡し、また端
子上8及びt9間も短絡する。
In order to cause the car 21 to perform a descending operation, when the worker presses the descending operation push button switch 11, the output voltage of the rectifier 6 is applied to the descending operation relay 3, so that the descending operation relay 3 is activated. Forced. When the descending operation relay 3 is energized, the contacts 3-4 and 3-5 are turned on, causing a short circuit between the terminals t6 and t7 of the control signal input terminal 1a, and also a short circuit between the upper terminals 8 and t9. do.

このように制御信号入力端子1aにおいて、端子t6及
びt7間及び端子t8及びt9間が短絡すると、インバ
ータ装置1の三相交流出力の相回転方向により駆動され
るモータ15は、乗かご21を下降運転させる方向に回
転する。
In this way, when the terminals t6 and t7 and the terminals t8 and t9 are short-circuited at the control signal input terminal 1a, the motor 15 driven by the phase rotation direction of the three-phase AC output of the inverter device 1 lowers the car 21. Rotates in the direction you want it to run.

また、下降運転用リレー3が付勢されると接点3−3が
ONとなり、電磁ブレーキ入力端子9の端子tlo、t
l1間に電圧が発生するので電磁ブレーキが吸引され、
乗かご21は安全に下降運転を行う。
Further, when the descending operation relay 3 is energized, the contact 3-3 is turned on, and the terminals tlo and t of the electromagnetic brake input terminal 9 are turned on.
Since voltage is generated between l1, the electromagnetic brake is attracted,
The car 21 safely descends.

次に乗かご21に上昇運転を行わせる場合には、作業員
が上昇運転用押釦スイッチ10を押すと、整流器6の出
力電圧が上昇運転用リレー2に印加されるので、上昇運
転用リレー2が付勢される。
Next, when the car 21 is to perform an upward operation, when the worker presses the upward operation push button switch 10, the output voltage of the rectifier 6 is applied to the upward operation relay 2. is energized.

上昇運転用リレー2が付勢されると、接点2−5がON
となり接点2−4がOFFとなる。
When relay 2 for upward operation is energized, contact 2-5 turns ON.
As a result, contact 2-4 turns OFF.

従って、制御信号入力端子1aの端子t6、’t7間が
短絡され、端子t8、t9間が開放状態となる。このよ
うに制御信号入力端子1aにおいて、端子t6、t7間
が短絡され端子t8、t1間が開放状態となると、イン
バータ装置1の三相交流出力の相回転方向により駆動さ
れるモータ15は、乗かご21を上昇運転させる方向に
回転する。
Therefore, the terminals t6 and 't7 of the control signal input terminal 1a are short-circuited, and the terminals t8 and t9 are opened. In this way, in the control signal input terminal 1a, when the terminals t6 and t7 are short-circuited and the terminals t8 and t1 are opened, the motor 15 driven by the phase rotation direction of the three-phase AC output of the inverter device 1 is The car 21 is rotated in the direction of upward operation.

この場合、上昇運転用リレー2が付勢されると接点2−
3がONとなり、電磁ブレーキ入力端子9の端子tlo
、tl1間に電圧が発生するので電磁ブレーキが吸引さ
れ、乗がご21は安全に上昇運転を行う。
In this case, when the upward operation relay 2 is energized, the contact 2-
3 becomes ON, and the terminal tlo of the electromagnetic brake input terminal 9
, tl1, the electromagnetic brake is attracted, and the car 21 safely performs upward operation.

一9= なお、下降運転及び上昇運転いずれの場合にも接点3−
2或は接点2−2がONとなるので、ブザー8に電圧が
印加されてブザー8が作動し、建築工事現場で作業中の
他の作業員にエレベータが運転中であるとの通報が行わ
れるのて、作業の安全性が確保される。また、接点2−
1及び3−1は、各運転方向における安全インターロッ
クの機能をはたしている。
-9 = In addition, contact 3- is used in both descending and ascending operations.
2 or contact 2-2 is turned ON, voltage is applied to the buzzer 8, the buzzer 8 is activated, and other workers working at the construction site are notified that the elevator is in operation. The safety of the work is ensured. In addition, contact 2-
1 and 3-1 serve as a safety interlock in each driving direction.

このようにして、単相交流電源さえあれば建築作業現場
でエレベータの本設用のモータ15を駆動させて、乗か
ご21の運転試験及びこれに伴う調整作業を行うことが
出来る。装置も装置本体14と操作盤12とに分離され
ており、携帯可能な操作盤12のみを乗かご21に持ち
込んで、簡単且つ能率的にエレベータの運転を行わせる
ことが可能である。
In this way, as long as a single-phase AC power source is available, the motor 15 for the main installation of the elevator can be driven at the construction work site, and the operation test of the car 21 and the accompanying adjustment work can be performed. The device is also separated into a device main body 14 and an operation panel 12, and it is possible to carry only the portable operation panel 12 into the car 21 and operate the elevator easily and efficiently.

従って、三相交流電源の取り付けを待たずに、建築現場
に設けられる単相交流電源を使用することにより、建築
作業と平行してエレベータの据付作業或は撤去作業を効
率的に行うことが出来る。
Therefore, by using the single-phase AC power supply installed at the construction site without waiting for the installation of the three-phase AC power supply, elevator installation or removal work can be carried out efficiently in parallel with the construction work. .

= 10− 〈発明の効果〉 本発明のエレベータの運転装置によると、建築現場の単
相交流電源を使用してエレベータの本体を駆動させて、
エレベータの運転及びこれに伴う各種の調整作業及び試
験作業を行うことが回部であり、建築作業に平行したエ
レベータの据付或は交換作業を効率的に行って作業期間
を大幅に短縮することが出来る。
= 10- <Effects of the Invention> According to the elevator operating device of the present invention, the main body of the elevator is driven using the single-phase AC power source at the construction site,
The rotation department is responsible for operating elevators and carrying out various adjustment and testing work associated with this, and can greatly shorten the work period by efficiently performing elevator installation or replacement work in parallel with construction work. I can do it.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の実施例の構成を示す回路図、第2図は
本発明の実施例を使用したエレベータ据付作業の概要を
示す昇降路内正面説明図である。 1・・・・・・インバータ装置、1a・・・・・・制御
信号入力端子、2・・・・・・上昇運転用リレー、3・
・・・・・下降運転用リレー、4・・・・・・巻線端子
、5・・・・・ナイフスイッチ、6・・・・・・整流器
、7・・・・・・パイロットランプ、8・・・・・・ブ
ザー、9・・・・・・電磁ブレーキ入力端子、10・・
・・・・上昇運転用押釦スイッチ、11・・・・・・下
降通販用押釦スイッチ。 第2し l :イーバー’5’MlIt       6 :許
j毘器2 :、、l:昇jlNI’AすL−7:/l’
イDットラ二7゜3:下脚運転m1几−8ニアT− 4:看I東夕昂子        9:電磁7L−キ入
カ端子5 :ナイフXイワナ
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory front view of the inside of a hoistway showing an overview of elevator installation work using the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Inverter device, 1a... Control signal input terminal, 2... Relay for upward operation, 3...
... Relay for descending operation, 4 ... Winding terminal, 5 ... Knife switch, 6 ... Rectifier, 7 ... Pilot lamp, 8 ...Buzzer, 9...Electromagnetic brake input terminal, 10...
...Push button switch for upward operation, 11...Push button switch for downward mail order. 2nd Shil: Eiber '5' MlIt 6: Yujkiki 2:,,l: Ascending jlNI'Asu L-7:/l'
7゜3: Lower leg operation m1 几-8 near T- 4: View I Toyu Akiko 9: Electromagnetic 7L-key input terminal 5: Knife X char

Claims (1)

【特許請求の範囲】[Claims] 単相交流電源に接続される入力端子と三相交流出力を供
給する出力端子とを具備するインバータ装置と、前記入
力端子に接続され、エレベータの運転方向に応じて前記
インバータ装置の三相交流出力の相回転方向を切換える
切換手段とを有することを特徴とするエレベータの運転
装置。
an inverter device comprising an input terminal connected to a single-phase AC power source and an output terminal supplying a three-phase AC output; and a three-phase AC output of the inverter device connected to the input terminal and depending on the operating direction of the elevator. 1. A driving device for an elevator, comprising: switching means for switching the direction of phase rotation of the elevator.
JP62008930A 1987-01-20 1987-01-20 Driving device of elevator Pending JPS63178789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62008930A JPS63178789A (en) 1987-01-20 1987-01-20 Driving device of elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62008930A JPS63178789A (en) 1987-01-20 1987-01-20 Driving device of elevator

Publications (1)

Publication Number Publication Date
JPS63178789A true JPS63178789A (en) 1988-07-22

Family

ID=11706377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62008930A Pending JPS63178789A (en) 1987-01-20 1987-01-20 Driving device of elevator

Country Status (1)

Country Link
JP (1) JPS63178789A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2358623A1 (en) * 2008-11-21 2011-08-24 Otis Elevator Company Operation of a three-phase regenerative drive from mixed dc and single phase ac power sources

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2358623A1 (en) * 2008-11-21 2011-08-24 Otis Elevator Company Operation of a three-phase regenerative drive from mixed dc and single phase ac power sources
JP2012509655A (en) * 2008-11-21 2012-04-19 オーチス エレベータ カンパニー Operation of three-phase regenerative drive from mixed DC power and single-phase AC power
US8629637B2 (en) 2008-11-21 2014-01-14 Otis Elevator Company Operation of a three-phase regenerative drive from mixed DC and single phase AC power sources
EP2358623A4 (en) * 2008-11-21 2014-11-05 Otis Elevator Co Operation of a three-phase regenerative drive from mixed dc and single phase ac power sources

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