JPS5849095A - Power source supply system to motor group - Google Patents
Power source supply system to motor groupInfo
- Publication number
- JPS5849095A JPS5849095A JP56146563A JP14656381A JPS5849095A JP S5849095 A JPS5849095 A JP S5849095A JP 56146563 A JP56146563 A JP 56146563A JP 14656381 A JP14656381 A JP 14656381A JP S5849095 A JPS5849095 A JP S5849095A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- sub
- group
- power supply
- distribution board
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は同一仕様の複数台の電動機に対する電源供給シ
ステムに係り、特に分電盤による分画１図に示す如くに
なっている。すなわち交流電源１に共通端子を接続した
分電盤２の分岐端子に、端末配線３１．３１・・・３ｎ
を介して交流電動機４１ 、４２・・・４ｍをそれぞれ
接続し、電源１の交流エネルギーを各電動機に分配供給
するものとなっている。分電盤２は主し中断器５を介し
て電源１に接続されている電源供給路を分岐部６によっ
てｎ本の分岐路１１．１２・・・７ｎに分岐し、これら
の各分岐路７７．７！・・・ｉｎに、各電動様に所定の
電源が正常に供給されているか否かを監視するための電
動機監視装置ａｘ 、ｔｉ２・・・８１＆と、各電動機
が短絡故障を生じた場合等において嶋核故障電動機への
電源供給を停止すると共に電源や他の機器へ故障が波及
しないように回路をし中断するし中断器９１，９：！・
・・９ｎとをそれぞれ一組づつ直列に介挿したものとな
っている。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power supply system for a plurality of electric motors having the same specifications, and in particular, the present invention is as shown in FIG. That is, the terminal wiring 31, 31...3n is connected to the branch terminal of the distribution board 2 whose common terminal is connected to the AC power supply 1.
The AC motors 41, 42, . The distribution board 2 mainly branches the power supply path connected to the power source 1 via the interrupter 5 into n branch paths 11, 12, . .7! ...in, a motor monitoring device ax, ti2...81& for monitoring whether the specified power is being normally supplied to each motor, and in the event of a short circuit failure in each motor, etc. Shima Nuclear Power supply to the faulty electric motor is stopped, and the circuit is interrupted to prevent the fault from spreading to the power supply or other equipment. Interrupter 91, 9:!・
...9n are inserted in series.
上記構成の従来の電源供給システムは、電動機監視装置
ｓ’ｘ、ｇｘ・・・８！１およびし中断器９ノ。The conventional power supply system with the above configuration includes motor monitoring devices s'x, gx...8!1 and interrupters 9.
９２・・・９ｎを、交流電動機４１ 、４２・・・４！
１の数つまりｎ組だけ必要とする。し九がりて、上記電
動機監視装置８１ 、８２・・・８ｎおよびし中断器９
１゜９２・・・９ｎを収納する分電盤２が大型となり、
分電盤２と交流電動機４１．４２・・・４ｎとを近接配
置することが困難であった・その結果、分電盤２と各電
動機４１ 、４２・・・４ｎとの間を接続している端未
配線３１．３２・・・３ｎの長さが長くなシ、それだけ
配線量が増大しコスト的にも不利な欠点を有してい友。92...9n, AC motors 41, 42...4!
Only the number of 1s, that is, n sets are required. Finally, the motor monitoring devices 81, 82...8n and the interrupter 9
The distribution board 2 that accommodates 1°92...9n has become larger,
It was difficult to place the distribution board 2 and the AC motors 41, 42...4n in close proximity.As a result, it was difficult to connect the distribution board 2 and each motor 41, 42...4n The length of the unwired ends 31, 32...3n is long, which increases the amount of wiring, which is disadvantageous in terms of cost.
なお、これまでは電動機監視装置８１．８２−８ｍおよ
びし中ｗｆｒ器９１．９；ｔ＝９ｍは電源供給システム
の監視保饅をはかる上で不可欠であり、その省略は不可
能であると考えられていた。Furthermore, until now, the motor monitoring device 81.82-8m and the intermediate WFR device 91.9;t=9m are indispensable for monitoring and maintaining the power supply system, and it has been considered that it is impossible to omit them. It was getting worse.
本発明はこのような事情に基いてなされたもかり得ると
共に、電動機接続用の端未配線を短かくでき必要配線量
を削減できる電動機群への電源供給システムを提供する
ことにある。The present invention has been made based on the above-mentioned circumstances, and an object of the present invention is to provide a power supply system for a group of electric motors that can shorten the unwired ends for connecting the electric motors and reduce the amount of necessary wiring.
上記目的を達成すべく、本発明は電源に接続された主分
電盤によって電源供給路を複数の第１の分岐路に分岐し
、この分岐された各第１の分岐路にそれぞれ接続された
副分電盤によって上記各第１の分岐路をさらに複数の第
２の分岐路にそれぞれ分岐し、これら各第２の分岐路に
そ九ぞれ接続された電動機に対し電源供給を行なうと共
に、上記各副分電盤におけるｔＸｌの分岐路に設けた電
動機監視装置によって各分電盤に連らなっている各電動
機群の運転状態を一括して監視し、上記監視装置と共に
上記第１の分岐路に設けられている副しゃ断器によって
電動機群等に異常が生じた場合、当峡異常電動機群が連
らなっている第１０分岐路を開放するようにしたもので
あり、システムとしての監視保膜機能を損なわずに電源
供給設備の簡略化をはか以下、本発明の一実施例につき
第２図を参照して説明する。In order to achieve the above object, the present invention branches a power supply path into a plurality of first branch paths by a main distribution board connected to a power source, and connects to each of the branched first branch paths. Each of the first branching paths is further branched into a plurality of second branching paths by a sub-distribution board, and power is supplied to electric motors connected to each of these second branching paths, and The operating status of each motor group connected to each distribution board is collectively monitored by a motor monitoring device installed in the branch path of tXl in each sub-distribution board, and together with the monitoring device, the motor monitoring device installed in the branch path of tXl in the first branch If an abnormality occurs in the motor group etc. due to the sub-breaker installed in the gorge, the 10th branch road where the abnormal motor group is connected will be opened. Hereinafter, an embodiment of the present invention will be described with reference to FIG. 2 to simplify the power supply equipment without impairing the membrane function.
第２図において、１１は商用交流電源であ夛、この電源
１１には主分電盤１２が接続されている。この主分電盤
１２は、主し中断器ＩＪを介して電源１１に接続された
主電源供給路１４を、分岐部Ｊ−１によって複数の第１
０分岐路１６１゜１６２・・・１ｔｔｙａＫ分岐してい
る。これら各第１の分岐路１６１，１６２・・・１６勤
には、それぞれ副分電盤１１１．１１２・・・１１ｎが
接続されている。上記副分電盤１７１．Ｉｒ２・−１１
ｍは、各第１の分岐路１６１．１６１−１６ｎＫ電動機
監視装置１８１．１１１１・・・ｊａｍを介挿すると共
に、これら各監視装置１８１．１８２・・・Ｉｌｊｍと
直列に副し中断器１９１゜１９２・・・１９鳳をそれヤ
れ接続し、かつ上記各第１の分岐路１６１．１６１・−
１６ｍを分岐部：ＩＯＪ、２０２・・・２０ｎによりて
さらに複数の第２の分岐路Ｌ７゜Ｌ２・・・Ｌｍにそれ
ぞれ分岐している。上記各第２の分岐路ＬＪ、ＬＪ・・
・ＬｍＫはそれぞれ交流電動機Ｍｌ、Ｍ２・・・Ｍｍが
接続されている。すなわち第２分岐路群２１１．２１２
・・・２１ｎ・にはそれぞれ交流電動機群２２１．２２
２・・・２２Ｉが接続されている０上記各電動機群２２
１，２２２・・・２２ｍの電動機台数は全台数の１０％
以下にしである。たとえば全台数が１０００台である場
合には１０〜１００台程度とする。また各電動機は同一
仕様のもので故障率が年間を通じ、１−以下のものを選
定しである〇
ところで前記各副分電盤１７１．１ｒ２・・・１７ｎに
それぞれ設置しである電動機監視装置１８１゜１８２・
・・１８胞は、各電動機群２２１，２２１・・・２２１
１に対し電源が正常に供給されているか否かを常時監視
し、異常が生じた場合には各副分電盤ごとに設置されて
いる応動機器ｘｓｘ、ｘｓｚ・・・２３ｍを作動させて
ランプ表示、警報音発生等を行なうと共Ｋ、必要に応じ
てし中断器１１１．１９１・・・１９！１を引外して各
電動機群への電力供給を断つものとなりている◇また各
副分電盤１１１．１１１・・・ｌｒｎにそれぞれ設置さ
れている則し中断器１９１．１９２・・・１９ｎｌｊ、
、上記し光動作を行なうほか、各電動機群２２１，２１
１・・・２２ｍ＃）るいは第２の分岐路Ｌ１〜Ｌｍ間に
短絡故障が生じた場合に自動的に開路し、尚該故障電動
機群等への電源供給を断つと共に、上記故障が電源１１
や他の健全な電動機群さらＫは分電盤設備等に悪影蕃を
与えないように保護する機能を４っている。In FIG. 2, 11 is a commercial AC power supply, and a main distribution board 12 is connected to this power supply 11. This main distribution board 12 connects the main power supply path 14 connected to the power supply 11 via the main interrupter IJ to a plurality of first
0 branch road 161°162...1ttyaK branches. Sub-distribution boards 111, 112, . . . 11n are connected to each of these first branch paths 161, 162, . The above sub-distribution board 171. Ir2・-11
m inserts each of the first branch paths 161.161-16nK motor monitoring devices 181.1111...jam, and is auxiliary in series with each of these monitoring devices 181.182...Iljm, and an interrupter 191°. 192...19 Otori are connected to each other, and each of the above-mentioned first branch roads 161, 161, -
16m is further branched into a plurality of second branch paths L7°L2...Lm by branch portions: IOJ, 202...20n, respectively. Each of the above second branch roads LJ, LJ...
・LmK is connected to AC motors Ml, M2, . . . Mm, respectively. That is, the second branch road group 211.212
...21n and AC motor groups 221 and 22, respectively.
2... Each of the above electric motor groups 22 to which 22I is connected
The number of 1,222...22m electric motors is 10% of the total number.
It is below. For example, if the total number is 1000, the number is about 10 to 100. In addition, each electric motor has the same specifications and has a failure rate of 1- or less throughout the year.゜182・
...18 cells are each motor group 221, 221...221
We constantly monitor whether power is being supplied normally to 1, and if an abnormality occurs, the response equipment xsx, xsz...23m installed in each sub-distribution board is activated to Displays, alarm sounds, etc. are displayed, and if necessary, the interrupters 111, 191...19!1 are tripped to cut off the power supply to each motor group. Interrupters 191, 192... 19nlj installed on the power boards 111, 111...lrn, respectively,
, in addition to performing the optical operation described above, each electric motor group 221, 21
1...22m#) or when a short-circuit failure occurs between the second branch path L1 and Lm, the circuit will be automatically opened, and the power supply to the failed electric motor group, etc. will be cut off. 11
The electric motors and other healthy electric motors have four functions to protect them from adverse effects on distribution board equipment, etc.
本システムは上記の如く構成されているので次のような
作用効果を奏する。通常は電源１ノ、主分電盤１２、副
分電盤１ ？ １−ｆＩ Ｆ’ｓ、電動機群２２１〜２
２ｎの経路で電源が供給される。そして一つの電動機走
とえば２２１のＭＩＫ異常が生じると、この電動機が属
している電動機群すなわち２２１に対応設置されている
副分電盤１１１の電動機監視装＠ＺＳＺが作動し、応動
機器２３ノを作動させる。したが９て、副分電盤１７１
のランプ表示あるいは警報音発生等によって電動機群２
２１０−ずれかの電動機ＫＡ常を生じたことが運転員等
に報知される。また上記異常が過大である場合側し中断
器１９１が引外され、電動機群２２１への電源供給が断
たれる。Since this system is configured as described above, it has the following effects. Normally there is 1 power supply, 12 main distribution boards, and 1 sub distribution board? 1-fI F's, motor group 221-2
Power is supplied through a 2n path. When a MIK abnormality occurs in one motor running, for example, 221, the motor monitoring system @ZSZ of the sub distribution board 111 installed corresponding to the motor group to which this motor belongs, ie, 221, is activated, and the response equipment 23 is activated. Activate. However, the sub-distribution board 171
Motor group 2 is activated by the lamp display or alarm sound.
210 - An operator or the like is notified that one of the electric motors has failed. Further, if the abnormality is excessive, the interrupter 191 is tripped, and the power supply to the motor group 221 is cut off.
一方、上記故障が電動機自体の短絡事故あるいは端末配
線である第２の分岐路Ｌｌｓ−Ｌｍの短絡事故である場
合には、副し中断器１９１が自動的に開路する。し友が
って＃！１の分岐路１６１が開放され、分岐路群２１１
を介しての電源供給が停止され・ると共に、電源１１あ
るいは他の副分電盤さらには電動機群に対しての悪影響
が防止される。On the other hand, if the above-mentioned failure is a short-circuit accident in the motor itself or a short-circuit accident in the second branch line Lls-Lm, which is the terminal wiring, the sub-interrupter 191 automatically opens. Friends #! 1 branch road 161 is opened, branch road group 211
At the same time, the power supply via the power source 11 is stopped, and an adverse effect on the power source 11 or other sub-distribution boards as well as the motor group is prevented.
上記動作において明らかな如く、本システムにおいてｆ
ｉ１台の電動機に故障が生じると、その故障電動機が属
している一群の電動機群への電源供給が一斎に停止され
ることになる・しかるに各電動機群２２１．２２１・・
・２２１１の電動機台数は全体の１０％以下に制限され
ているため、システム全体に与える影響度は最大で１０
Ｓ、平米のものに比べて１／１０以下になる。したがっ
て各副分電＠ｘｙｚ、１ｖｚ−・・ｌｒｍおよび主分電
盤で必要とする設備の総量もほぼｌ／１０以下となる。As is clear from the above operation, in this system f
i When a failure occurs in one electric motor, the power supply to the group of electric motors to which the failed electric motor belongs will be immediately stopped. However, each electric motor group 221, 221, etc.
・Since the number of 2211 motors is limited to less than 10% of the total, the maximum impact on the entire system is 10%.
S, it will be less than 1/10 of the square meter. Therefore, the total amount of equipment required for each sub distribution @xyz, 1vz-...lrm and the main distribution board is also approximately 1/10 or less.
しかも各副分電盤１７１・１１２・・・１７１１の規模
が従来の分電盤の規模に比べて著しく小さくなるので、
副分電盤１１１．ＩＦ５・・・ＪＦｎを電動機群２２１
．２２１・・・ｚｘｒ＊Ｉｌｃ近接設置することが可能
になる。このため、副分電盤と電動機群との間を接続し
ている端末配線すなわち各分岐路群２１１゜２１２・・
・２１鳳の長さを短縮でき総記線量を大幅に削減できる
。Moreover, since the scale of each sub-distribution board 171, 112...1711 is significantly smaller than the scale of a conventional distribution board,
Sub distribution board 111. IF5...JFn as motor group 221
．． 221...zxr*Ilc can be installed nearby. For this reason, the terminal wiring connecting between the sub distribution board and the motor group, that is, each branch path group 211, 212...
・The length of 21-oh can be shortened and the total radiation dose can be significantly reduced.
なお、本発明者らの研究結果によれば、各電動機群２２
１．２２２・・・２２ｎの一群中の電動機台数が全体の
台数の１０％以上になると、設備の節減効果よりもシス
テムの機能低下によるデメリ、トが大となる口したがっ
て、一群中の電動機台数は１０９ｂ以下に制限すること
が望しい・なお、本発明は上述した一実施例に限定され
るも２のではない。たとえば前記実施例では交流電源を
交−流電動機群に供給する場合について説明したが直流
電源を直流電動機に供給する場合にも適用できる。ま九
前記＊施例では各副分電盤に連らなる各電動機群２２１
．２２２−・・ＪＪＩＩの電動機数を一律にｍ個とした
場合を示したが、全電動機台数の１０％以下であること
、各副分電盤の容量以下であることを条件に任意に設定
可能であるのは勿論である。このほか本発明の要旨を変
えない範囲で種々変形実施できるのは勿論である。According to the research results of the present inventors, each motor group 22
1. If the number of motors in a group of 222...22n exceeds 10% of the total number of motors, the disadvantages due to decreased system functionality will be greater than the savings in equipment. Therefore, the number of motors in a group It is desirable to limit it to 109b or less. Note that the present invention is not limited to the above-mentioned embodiment. For example, in the embodiment described above, a case has been described in which AC power is supplied to a group of AC motors, but the present invention can also be applied to a case where DC power is supplied to a DC motor. In the above *example, each motor group 221 connected to each sub-distribution board
．． 222-...The case where the number of JJII motors is uniformly m is shown, but it can be arbitrarily set as long as it is 10% or less of the total number of motors and the capacity of each sub-distribution board is below. Of course it is. Of course, various other modifications can be made without departing from the gist of the present invention.
分岐路に分岐し、これらの６第１の分岐路にそれぞれ接
続された副分電盤によって上記６第１の分岐路をさらに
複数の第２の分岐路にそｎぞれ分岐し、これら６第２の
分岐路にそｎぞｆ′Ｌ接続された電動機へ電源供給を行
なうと共に、上記各副分電盤における第１の分岐路に設
は走電動機監視装置によりて各副分電盤に連らなってい
る各電動機群の運転状態を一括して監視し、上記監視装
置と共に上記第１の分岐路に設けた副し中断器によって
上記電動機群に異常が生じた場合、当該異常電動機群が
連らなりている第１の分岐路を開放するように構成した
ものである。The above six first branch roads are further branched into a plurality of second branch roads by means of sub-distribution boards respectively connected to these six first branch roads. In addition to supplying power to the electric motors connected to the second branch, a running motor monitoring device installed in the first branch in each sub-distribution board is connected to each sub-distribution board. The operating status of each series of electric motor groups is collectively monitored, and when an abnormality occurs in the electric motor group, the abnormal motor group is The structure is such that the first branch road in which the two branches are connected is opened.
したがって本発明によれば、各副分電盤ごとに設けられ
た電動機監視装置および副し中断器によりて、各副分電
盤に連らなりている各電動機群ごとの異常監視および異
常時の電路開放が個別に乃なわれるので、システム全ｍ
テ（Ｄ監視保護機能を損なわずにすむ◎しかも上記電動
機監視装置および電路し中断器は副分電盤数つまり主分
電盤により分岐された第１の分岐路数だけあればよく、
各電動機ごとに設ける必要がないので、従来のシステム
に比べて電源供給設備を著しく簡略化できる＠また副分
電盤が小形化される仁とＫよ）副分電盤と電動機群とを
接続する端末配線を短縮でき、必要配線量を著しく削減
できる。仁のように本発明によれば従来にない格別の利
点を有する電動機群への電源供給システムを提供できる
。Therefore, according to the present invention, the motor monitoring device and the sub-interrupter provided for each sub-distribution board are used to monitor abnormalities in each group of motors connected to each sub-distribution board, and to detect abnormalities in the event of an abnormality. Since the electrical circuits are opened individually, the entire system
(D) No need to impair the monitoring protection function ◎Moreover, the number of the motor monitoring devices and circuit interrupters required is the same as the number of sub-distribution boards, that is, the number of first branch circuits branched off by the main distribution board,
Since there is no need to install one for each motor, the power supply equipment can be significantly simplified compared to conventional systems (@Jin and K, where the sub-distribution board is smaller) Connect the sub-distribution board and the motor group The amount of wiring required can be significantly reduced. According to the present invention, it is possible to provide a power supply system for a group of electric motors that has particular advantages not seen in the past.
第１図は従来の電源供給システムを示す回路図％第２図
社本発明の電源供給システムの構成を示す回路図である
。
１１・・・交流電源、１２・・・主分電盤、１３川生じ
中断器・１４・・・主電源供給路、１５・・・分岐部、
１６１〜１６ ｍ−第１の分岐路、１７１〜１７ｎ・・
・副分電盤１ ノ８１〜１８ｎ・・・電動機監視装置、
１９１〜１９ｍ・−・副し中断器、２０１〜２０ｒｓ・
・・分岐部、７１１〜ｘ １ ｎ・−１８２の分岐路群
、２２１〜２７ ｍ ”・電動機群、Ｌ１〜Ｌｍ・・・
第２の分岐路、Ｍ１〜Ｍ ｍ ”・交流電動機、２３１
〜ＪＪｎ・・・応動機器。FIG. 1 is a circuit diagram showing a conventional power supply system; FIG. 2 is a circuit diagram showing the configuration of a power supply system according to the present invention. 11... AC power supply, 12... Main distribution board, 13 River interrupter, 14... Main power supply path, 15... Branch part,
161~16m-first branch road, 171~17n...
・Sub-distribution board 1 No. 81 to 18n...Motor monitoring device,
191~19m---Sub-interrupter, 201~20rs・
・Branch section, 711~x1n・-182 branch road group, 221~27 m''・Electric motor group, L1~Lm...
Second branch road, M1-M m”/AC motor, 231
~JJn...Response equipment.
Claims (1)
数のＭｌの分岐路に分岐する主分電盤と、この主分電盤
により分岐された各Ｋｌの分岐路にそれぞれ接続され上
記各画１の分岐路をさらに複数の纂２の分岐路へそれぞ
れ分岐する副分電盤と、これら各副分電盤により分岐さ
れた各画２の分岐路にそれぞれ接続され電源を供給され
る電動機と、前記各剛分電１１Ｋかける［１の分岐路に
設けられ上記各副分電盤に連らなっている各電動機群の
運転状態を一括して監視する電動機監視装置と、この監
視装置と共に上記第１の分岐路に設けられ上記電動機群
等に異常が生じ九場合当該異常電動機群が連らなうてい
る第１の分岐路を開放する副し中断器とを具備したこと
を特徴とする電動機群への電源供給システム。 （２）各副分電盤にそれぞれ連らなりている各電動機群
は、その台数を全電動機台数の１０％以下に制限されて
いることを特徴とする特許請求の範囲第（１）項記載の
電動機群への電源供給システム。[Claims] (]) A power supply, a main distribution board connected to the power supply and branching the power supply path into a plurality of Ml branching paths, and each Kl branching path branched by the main distribution board. A sub-distribution board that is connected to each of the above-mentioned sub-distribution boards and further branches the branch paths of each of the above-mentioned plots 1 to branch routes of a plurality of clusters 2; A motor monitoring device that collectively monitors the operating status of the electric motor to which power is supplied and each group of electric motors installed in the branch path of each of the rigid electric distribution units 11K and connected to each of the sub-distribution boards. and an auxiliary interrupter installed in the first branch road together with the monitoring device to open the first branch road to which the abnormal motor group is connected in the event that an abnormality occurs in the motor group, etc. A power supply system for a group of electric motors. (2) Claim (1) characterized in that the number of each motor group connected to each sub-distribution board is limited to 10% or less of the total number of motors. A power supply system for a group of electric motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56146563A JPS5849095A (en) | 1981-09-17 | 1981-09-17 | Power source supply system to motor group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56146563A JPS5849095A (en) | 1981-09-17 | 1981-09-17 | Power source supply system to motor group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5849095A true JPS5849095A (en) | 1983-03-23 |
Family
ID=15410501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56146563A Pending JPS5849095A (en) | 1981-09-17 | 1981-09-17 | Power source supply system to motor group |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2399239A (en) * | 2003-03-06 | 2004-09-08 | Tamagawa Seiki Co Ltd | Servo motors with built in drive circuits |
-
1981
- 1981-09-17 JP JP56146563A patent/JPS5849095A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2399239A (en) * | 2003-03-06 | 2004-09-08 | Tamagawa Seiki Co Ltd | Servo motors with built in drive circuits |
| GB2399239B (en) * | 2003-03-06 | 2005-02-09 | Tamagawa Seiki Co Ltd | Method of driving a servo motor with a built-in drive circuit |
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