JP2001037228A - Voltage control apparatus - Google Patents
Voltage control apparatusInfo
- Publication number
- JP2001037228A JP2001037228A JP11204753A JP20475399A JP2001037228A JP 2001037228 A JP2001037228 A JP 2001037228A JP 11204753 A JP11204753 A JP 11204753A JP 20475399 A JP20475399 A JP 20475399A JP 2001037228 A JP2001037228 A JP 2001037228A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power saving
- transformer
- input voltage
- maximum power
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Control Of Electrical Variables (AREA)
- Ac-Ac Conversion (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、タップを切り換えて変
圧器の電圧を制御する電圧制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voltage controller for controlling a voltage of a transformer by switching taps.
【０００２】[0002]
【従来の技術】従来、タップを切り換えて変圧器の電圧
を制御する電圧制御装置は、図６〜図７に示すようなも
のであった。尚、この電圧制御装置はＸ相，Ｙ相，Ｎ相
からなる単相３線式用のものであり、以下１相分につい
て説明する。電圧制御装置の変圧器１１は一次巻線１１
ａと二次巻線１１ｂとを有し、負荷１２は二次巻線１１
ｂに直列に接続され、一次巻線１１ａが交流励磁巻線と
なっている。そして、一次巻線１１ａから複数のタップ
Ｔ１〜Ｔｎが引き出され、半導体スイッチ（以下ＳＳＲ
とする）ＳＳＲ１〜ＳＳＲｎによりタップが切り換えら
れ、入力電圧Ｖｉが印加されるようになっている。この
ＳＳＲは制御部１３により入力電圧Ｖｉを基にオン・オ
フ制御され、何れかが選択されオンするように構成され
ている。また、ＭＣ１，ＭＣ２，ＭＣ３は電磁接触器、
Ｒｘ，Ｒｙは抵抗である。2. Description of the Related Art Conventionally, a voltage control device for controlling a voltage of a transformer by switching taps is as shown in FIGS. Note that this voltage control device is for a single-phase three-wire system including an X-phase, a Y-phase, and an N-phase, and one phase will be described below. The transformer 11 of the voltage control device has a primary winding 11
a and a secondary winding 11b, and the load 12 is a secondary winding 11
b, and the primary winding 11a is an AC excitation winding. Then, a plurality of taps T1 to Tn are pulled out from the primary winding 11a, and a semiconductor switch (hereinafter, SSR)
The tap is switched by SSR1 to SSRn, and the input voltage Vi is applied. The SSR is controlled to be turned on and off by the control unit 13 based on the input voltage Vi, and one of the SSRs is selected and turned on. MC1, MC2 and MC3 are electromagnetic contactors,
Rx and Ry are resistors.
【０００３】この電圧制御装置の動作を説明すると、ｂ
接点であるＭＣ２を開き、ａ接点であるＭＣ１とＳＳＲ
１〜ＳＳＲｎの何れか一組を閉じることにより、変圧器
１１のタップＴ１〜Ｔｎの何れかに入力電圧Ｖｉを加
え、変圧器１１の二次側電圧Ｖ２を変化させることで出
力電圧Ｖｏを制御している。[0003] The operation of this voltage control device will be described.
Open the contact MC2 and connect the a-contact MC1 and SSR
The input voltage Vi is applied to any of the taps T1 to Tn of the transformer 11 by closing any one set of 1 to SSRn, and the output voltage Vo is controlled by changing the secondary voltage V2 of the transformer 11 are doing.
【０００４】尚、図３において、タップＴｎはｎの値が
大きくなるに従い変圧器１１の二次側電圧は大きくな
る。即ち、出力電圧Ｖｏは小さくなる。また、ａ接点電
磁接触器ＭＣ１を開き、ｂ接点電磁接触器ＭＣ２を閉じ
ると、一次巻線１１ａの両端が接続されて、出力電圧Ｖ
ｏは変圧器１１を介さない直送状態になる。In FIG. 3, the secondary voltage of the transformer 11 increases as the value of the tap Tn increases. That is, the output voltage Vo decreases. When the a contact magnetic contactor MC1 is opened and the b contact magnetic contactor MC2 is closed, both ends of the primary winding 11a are connected and the output voltage V
“o” is in a direct delivery state without passing through the transformer 11.
【０００５】この直送状態において、一定時間入力電圧
を監視し、入力電圧値＞設定電圧値＋第一節電電圧幅で
あった場合に、第一節電タップに切り換え、更にそのタ
ップで一定時間入力電圧を監視し、入力電圧値＞設定電
圧値＋第二節電電圧幅であった場合に、第二節電タップ
に切り換えていた。In this direct sending state, the input voltage is monitored for a certain period of time. Was monitored, and when the input voltage value> the set voltage value + the second power saving voltage width, it was switched to the second power saving tap.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上記従来
の電圧制御装置によると、入力電圧が安定して、入力電
圧値＞設定電圧値＋最大節電電圧幅であっても、順番に
タップを切り換えていくために、タップ毎に一定時間入
力電圧を監視しなければならず、その間節電効果が低く
なるという欠点があった。However, according to the above-described conventional voltage control device, the input voltage is stabilized, and the taps are sequentially switched even if the input voltage value> the set voltage value + the maximum power saving voltage width. Therefore, the input voltage must be monitored for a certain time for each tap, and the power saving effect is reduced during that time.
【０００７】[0007]
【課題を解決するための手段】上記従来の電圧制御装置
の問題点に鑑み、本発明の目的は、短時間で最大の節電
効果が得られるように制御する電圧制御装置を提供する
もので、変圧器の交流励磁巻線に複数のタップを設ける
と共に、そのタップを半導体スイッチにより切り換え可
能に構成し、制御部による制御手段により前記半導体ス
イッチのオン・オフを制御して出力電圧を変化させる電
圧制御装置において、直送状態における入力電圧値によ
り、最大の節電効果が得られるタップを選択して、切り
換えることである。SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional voltage control device, an object of the present invention is to provide a voltage control device for controlling so as to obtain a maximum power saving effect in a short time. A plurality of taps are provided on the AC excitation winding of the transformer, and the taps are configured to be switchable by a semiconductor switch, and a control unit controls ON / OFF of the semiconductor switch to change an output voltage. In the control device, the tap that provides the maximum power saving effect is selected and switched according to the input voltage value in the direct transmission state.
【０００８】[0008]
【発明の実施の形態】電圧制御装置は、直送状態におけ
る入力電圧値により節電効果が最大になるタップを選択
し、切り換える。DESCRIPTION OF THE PREFERRED EMBODIMENTS A voltage control device selects and switches a tap that maximizes a power saving effect according to an input voltage value in a direct transmission state.
【０００９】[0009]
【実施例】本発明に係る電圧制御装置の一実施例を図１
〜図４に示す。以下これらの図面に基づいて本発明を説
明する。FIG. 1 shows an embodiment of a voltage control apparatus according to the present invention.
4 to FIG. Hereinafter, the present invention will be described with reference to these drawings.
【００１０】この電圧制御装置はＸ相，Ｙ相，Ｎ相から
なる単相３線式用のものであり、以下１相分について説
明する。電圧制御装置の変圧器１は一次巻線１ａと二次
巻線１ｂとを有し、負荷２は二次巻線１ｂに直列に接続
され、一次巻線１ａが交流励磁巻線となっている。そし
て、一次巻線１ａから複数のタップＴ１〜Ｔｎが引き出
され、半導体スイッチ（以下ＳＳＲとする）ＳＳＲ１〜
ＳＳＲｎによりタップが切り換えられ、入力電圧Ｖｉが
印加されるようになっている。このＳＳＲは制御部１３
により入力電圧Ｖｉを基に制御され、何れかが選択され
オンするように構成されている。また、ＭＣ１，ＭＣ
２，ＭＣ３は電磁接触器、Ｒｘ，Ｒｙは抵抗で、制御部
３は電磁接触器ＭＣ１，ＭＣ２のオン信号出力中の電磁
接触器ＭＣ１またはＭＣ２の補助接点のオフ信号を監視
する。This voltage control device is for a single-phase three-wire system composed of an X-phase, a Y-phase, and an N-phase. One phase will be described below. The transformer 1 of the voltage control device has a primary winding 1a and a secondary winding 1b, a load 2 is connected in series to the secondary winding 1b, and the primary winding 1a is an AC excitation winding. . Then, a plurality of taps T1 to Tn are pulled out from the primary winding 1a, and semiconductor switches (hereinafter, referred to as SSR) SSR1 to SSR1 are provided.
The tap is switched by SSRn, and the input voltage Vi is applied. This SSR is stored in the control unit 13
Is controlled based on the input voltage Vi, and any one is selected and turned on. MC1, MC
2, MC3 is an electromagnetic contactor, Rx and Ry are resistors, and the control unit 3 monitors the OFF signal of the auxiliary contact of the electromagnetic contactor MC1 or MC2 during the ON signal output of the electromagnetic contactors MC1 and MC2.
【００１１】この電圧制御装置の動作を説明すると、ｂ
接点であるＭＣ２を開き、ａ接点であるＭＣ１とＳＳＲ
１〜ＳＳＲｎの何れか一組を閉じることにより、変圧器
１のタップＴ１〜Ｔｎの何れかに入力電圧Ｖｉを加え、
変圧器１の二次側電圧Ｖ２を変化させることで出力電圧
Ｖｏを制御している。The operation of this voltage control device will be described.
Open the contact MC2 and connect the a-contact MC1 and SSR
1 to SSRn, the input voltage Vi is applied to any of the taps T1 to Tn of the transformer 1,
The output voltage Vo is controlled by changing the secondary voltage V2 of the transformer 1.
【００１２】尚、図１において、タップＴｎはｎの値が
大きくなるに従い変圧器１の二次側電圧は大きくなる。
即ち、出力電圧Ｖｏは小さくなる。また、ａ接点電磁接
触器ＭＣ１を開き、ｂ接点電磁接触器ＭＣ２を閉じる
と、一次巻線１ａの両端が接続されて、出力電圧Ｖｏは
変圧器１を介さない直送状態になる。In FIG. 1, the secondary voltage of the transformer 1 increases as the value of the tap Tn increases.
That is, the output voltage Vo decreases. When the a contact magnetic contactor MC1 is opened and the b contact magnetic contactor MC2 is closed, both ends of the primary winding 1a are connected, and the output voltage Vo is in a direct sending state without passing through the transformer 1.
【００１３】電圧制御装置は、直送状態における入力電
圧値により節電効果が最大になるタップを選択し、切り
換える。The voltage controller selects and switches a tap that maximizes the power saving effect according to the input voltage value in the direct transmission state.
【００１４】直送状態における入力電圧値を一定時間監
視する間に、 入力電圧値＞設定電圧値＋最大節電電圧幅の状態が継
続した場合、直送状態から他の節電状態に移行せず、直
接最大節電状態に移行する。 入力電圧値＞設定電圧値＋第一節電電圧幅の状態が継
続した場合、直送状態から他の節電状態に移行せず、直
接第一節電状態に移行する。 入力電圧値＞設定電圧値＋第二節電電圧幅の状態が継
続した場合、直送状態から他の節電状態に移行せず、直
接第二節電状態に移行する。 以下同様に第三、第四・・・というように節電タップ
の数だけ制御する。If the input voltage value> the set voltage value + the maximum power saving voltage width continues while monitoring the input voltage value in the direct sending state for a certain period of time, the direct sending state does not shift to another power saving state and the maximum Shift to power saving state. When the state of “input voltage value> set voltage value + first power saving voltage width” continues, the state directly shifts to the first power saving state without shifting to another power saving state from the direct sending state. When the state of “input voltage value> set voltage value + second power saving voltage width” continues, the state directly shifts to the second power saving state without shifting to another power saving state from the direct sending state. In the same manner, control is performed by the number of power saving taps, such as third, fourth, and so on.
【００１５】[0015]
【発明の効果】以上説明したように本発明に係る電圧制
御装置は、変圧器の交流励磁巻線に複数のタップを設け
ると共に、そのタップを半導体スイッチにより切り換え
可能に構成し、制御部による制御手段により前記半導体
スイッチのオン・オフを制御して出力電圧を変化させる
電圧制御装置において、直送状態における入力電圧値に
より、最大の節電効果が得られるタップを選択して、切
り換えることによって、短時間で最大の節電効果が得ら
れるように制御できるという効果がある。As described above, the voltage control device according to the present invention is provided with a plurality of taps on the AC excitation winding of the transformer, and the taps can be switched by a semiconductor switch. Means for controlling the on / off of the semiconductor switch by means to change an output voltage. Thus, there is an effect that control can be performed so as to obtain the maximum power saving effect.
【図１】本発明に係る電圧制御装置の回路図である。FIG. 1 is a circuit diagram of a voltage control device according to the present invention.
【図２】本発明に係る電圧制御装置のフローチャートで
ある。FIG. 2 is a flowchart of the voltage control device according to the present invention.
【図３】本発明に係る電圧制御装置の電圧制御状態の説
明図である。FIG. 3 is an explanatory diagram of a voltage control state of the voltage control device according to the present invention.
【図４】本発明に係る電圧制御装置の電圧制御状態の説
明図である。FIG. 4 is an explanatory diagram of a voltage control state of the voltage control device according to the present invention.
【図５】従来の電圧制御装置の回路図である。FIG. 5 is a circuit diagram of a conventional voltage control device.
【図６】従来の電圧制御装置の電圧制御状態の説明図で
ある。FIG. 6 is an explanatory diagram of a voltage control state of a conventional voltage control device.
１ 変圧器 １ａ 一次巻線 １ｂ 二次巻線 ２ 負荷 ３ 制御部 ＳＳＲ 半導体スイッチ DESCRIPTION OF SYMBOLS 1 Transformer 1a Primary winding 1b Secondary winding 2 Load 3 Control part SSR Semiconductor switch
Claims (1)
設けると共に、そのタップを半導体スイッチにより切り
換え可能に構成し、制御部による制御手段により前記半
導体スイッチのオン・オフを制御して出力電圧を変化さ
せる電圧制御装置において、直送状態における入力電圧
値により、最大の節電効果が得られるタップを選択し
て、切り換えることを特徴とする電圧制御装置。A transformer is provided with a plurality of taps on an AC exciting winding thereof, and the taps can be switched by a semiconductor switch. On / off of the semiconductor switch is controlled by a control means by a control unit and output. A voltage control device for changing a voltage, wherein a tap that provides a maximum power saving effect is selected and switched according to an input voltage value in a direct transmission state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11204753A JP2001037228A (en) | 1999-07-19 | 1999-07-19 | Voltage control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11204753A JP2001037228A (en) | 1999-07-19 | 1999-07-19 | Voltage control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001037228A true JP2001037228A (en) | 2001-02-09 |
Family
ID=16495781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11204753A Pending JP2001037228A (en) | 1999-07-19 | 1999-07-19 | Voltage control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001037228A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594065B (en) * | 2009-07-01 | 2012-05-09 | 孙毅彪 | Intelligent secondary controllable contact wind energy absorber |
| CN101594062B (en) * | 2009-07-01 | 2012-05-09 | 孙毅彪 | Intelligent secondary controllable non-contact wind energy absorber |
-
1999
- 1999-07-19 JP JP11204753A patent/JP2001037228A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594065B (en) * | 2009-07-01 | 2012-05-09 | 孙毅彪 | Intelligent secondary controllable contact wind energy absorber |
| CN101594062B (en) * | 2009-07-01 | 2012-05-09 | 孙毅彪 | Intelligent secondary controllable non-contact wind energy absorber |
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