JPS6026417A - Constant power controller - Google Patents
Constant power controllerInfo
- Publication number
- JPS6026417A JPS6026417A JP58133236A JP13323683A JPS6026417A JP S6026417 A JPS6026417 A JP S6026417A JP 58133236 A JP58133236 A JP 58133236A JP 13323683 A JP13323683 A JP 13323683A JP S6026417 A JPS6026417 A JP S6026417A
- Authority
- JP
- Japan
- Prior art keywords
- power
- constant
- value
- receiving end
- current command
- 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
- Direct Current Feeding And Distribution (AREA)
- Inverter Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は直流送電系統における定電力制御装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a constant power control device in a DC power transmission system.
この発明が適用さｎる直流送電系統を第１図に示す。図
において、１，２は交流系統、３，４は交直変換器、５
，６は直流リアクトル、７，８は各法電線端に設けら扛
穴直流変圧器（ＤＣＰＴ ）である。この工うな直流送
電系統に設けら扛る従来の定電力制御装置の構成を第２
図に示す。図において、９は電力設足値を設定する設足
器、１０は割算回路を含む定電力制御回路、１１は定電
力制御回路１０の出力にエリゲートパルスを発生するゲ
ートパルス回路、である。FIG. 1 shows a DC power transmission system to which this invention is applied. In the figure, 1 and 2 are AC systems, 3 and 4 are AC/DC converters, and 5
, 6 are DC reactors, and 7 and 8 are perforated direct current transformers (DCPT) provided at the ends of each power line. The configuration of the conventional constant power control device installed in the DC power transmission system is as follows.
As shown in the figure. In the figure, numeral 9 is a setting device for setting the power setting value, numeral 10 is a constant power control circuit including a divider circuit, and numeral 11 is a gate pulse circuit that generates an eligate pulse at the output of the constant power control circuit 10. .
矢に、動作について説明する。操作員が設定器９を操作
することにより得られた電力設定値と。Explain the action of the arrow. and a power setting value obtained by an operator operating the setting device 9.
目端のＤＣＰＴ ７ 、ｃり得らｎた直流線路りの電圧
とを定電力制御回路１０に入力して両者間で割算を実行
することにエリ、電流指令値Ｉｒｅｆが得ら扛る。この
電流指令値Ｉｒｅｆをゲートパルス回路１１に入力して
適当なサイリスク点弧信号に変換し、このサイリスク点
弧信号に工って交直変換器３を制御し、直流線路りに電
流設足値通りの直流電流を流すように制御する。By inputting the DCPT 7 at the end of the eye and the voltage of the DC line obtained by n to the constant power control circuit 10 and performing division between them, the current command value Iref is obtained. This current command value Iref is input to the gate pulse circuit 11 to convert it into an appropriate Cyrisk ignition signal, and this Cyrisk ignition signal is used to control the AC/DC converter 3, so that the current value is applied to the DC line. Control the DC current to flow.
一般に、足型力制御は定電流制御の行なわれる端、つ１
り顯変換器端に設置さｎるので、上記制御にエリ制御さ
九るのは送電端電力である。Generally, foot force control is performed at the end where constant current control is performed.
Since the converter is installed at the end of the converter, it is the power at the sending end that is specifically controlled in the above control.
ところで、第１図のＡ端、Ｂ端が別の電力会社に属する
場合は１通常電力の売買及び融通電力は受電端で足義さ
ｎることが多い。従って、受電端の電力を一足に制御し
たいという要京が発生する。By the way, when ends A and B in FIG. 1 belong to different electric power companies, the buying and selling of regular power and the interchange power are often carried out at the power receiving end. Therefore, there is a need to control the power at the power receiving end in one step.
こｎに対し、従来提案されてきた装置は、第３図に示す
通り、受電端のＤＣＰＴ８にエリ得た直流電圧信号を伝
送装置１２を介して送電端に送り、送電端の定電力制御
装置に入力するものであっに０従来の装置は、以上のよ
うな構成をもつので、目端と他端との間で直流′電圧の
情報からなるアナログ信号を伝送することが必要なため
、伝送装置の容量を増器させ、高価になるという欠点が
あると共に、伝送回線が外乱にエリ中断した場合には足
型力制御が奥行不能になるという欠点があった。In contrast, conventionally proposed devices send the DC voltage signal obtained by the DCPT 8 at the power receiving end to the power transmitting end via the transmission device 12, as shown in FIG. Since the conventional device has the above configuration, it is necessary to transmit an analog signal consisting of DC voltage information between one end of the eye and the other end. This method has the disadvantage that the capacity of the device is increased and becomes expensive, and if the transmission line is interrupted due to disturbance, the foot force control becomes impossible.
この発明は、上記のような従来のものの欠点を除去する
ためになさｎ７ｔもので、目端情報のみを用いて足型力
制御を行なえる定電力制御装置を提供することを目的と
している。The present invention was made in order to eliminate the drawbacks of the conventional devices as described above, and an object of the present invention is to provide a constant power control device that can perform foot force control using only eye corner information.
以下、この発明の一実施例を図について説明する。第４
図において、第１図〜第３図と同一符号は同−又は相当
部分を示し、１３は損算回路、１４は直流線路りの抵抗
値に相当したゲインを有する制御回路、１５は図示の極
性エリ、設定器９の電力設定値と制御回路１４の出力と
を加算する加算回路である。An embodiment of the present invention will be described below with reference to the drawings. Fourth
In the figure, the same reference numerals as in Figures 1 to 3 indicate the same or equivalent parts, 13 is a loss calculating circuit, 14 is a control circuit having a gain corresponding to the resistance value of the DC line, and 15 is the polarity shown in the figure. This is an addition circuit that adds the power setting value of the setting device 9 and the output of the control circuit 14.
仄に動作について説明する。定電力制御回路１０の出力
である電流指令値は掛算器１３に入力されて自乗値がめ
らｎる。この自乗値は、制御回路１４に入力さｎ、直流
線路りの抵抗値に相当するゲインにエリ掛けられた信号
となる。従って、制御回路１４の出力信号は送電端より
受電端１での間の送電損失に相当する情報をもつ信号で
あり、加算器１５にエリ設定器９の電力設定値と加算さ
扛る。加算器１５の出力は定電力制御装置１ｏに入力さ
れ、目端のＤＣＰＴ７からの直流電圧信号で除算されに
後、ゲートパルス回路１１に入力さ扛、点弧角が制御さ
ｆＬタゲートパルスを交直変換器３に入力する。このよ
うにして送電端の情報のみを用いて受電端の電力を指令
値通りに制御する。The operation will be briefly explained. The current command value, which is the output of the constant power control circuit 10, is input to a multiplier 13 to obtain a square value. This squared value is input to the control circuit 14 and becomes a signal multiplied by a gain corresponding to the resistance value of the DC line. Therefore, the output signal of the control circuit 14 is a signal having information corresponding to the power transmission loss between the power transmitting end and the power receiving end 1, and is added to the power setting value of the energy setting device 9 in the adder 15. The output of the adder 15 is input to the constant power control device 1o, divided by the DC voltage signal from the DCPT 7 at the end of the eye, and then input to the gate pulse circuit 11 to control the firing angle. It is input to the AC/DC converter 3. In this way, the power at the power receiving end is controlled according to the command value using only the information at the power transmitting end.
第５図はこの発明の他の実施例を示すブロック図である
。相手端、即ちＤＣＰＴ８の直流電圧信号を低迷伝送装
置１６を弁じて加算器１７に入力する。加算器１７は目
端、即ちＤＣＰＴ７の直流′電圧との差をとつに後１割
算回路１８にエリ電流指令値で割算して線路抵抗をめ、
記憶回路１９に記憶させておく。制御回路２ｏは、記憶
回路１９の出力を用いてそのゲイン＆ｉ化させて得た信
号■２Ｒを加算器１５に入力する構成としている。FIG. 5 is a block diagram showing another embodiment of the invention. A DC voltage signal from the other end, that is, the DCPT 8, is input to the adder 17 via the slump transmission device 16. The adder 17 takes the difference from the DC' voltage of the DCPT 7, and then divides it by the 1/1 divider current command value to calculate the line resistance.
It is stored in the memory circuit 19. The control circuit 2o is configured to use the output of the memory circuit 19 and input the signal 2R obtained by converting the gain to &i to the adder 15.
この工うに構成することにエリ、線路抵抗が温度により
変化してもこれに関係なく受電端の電力を制御すること
ができる。伝送装置１６については。An advantage of this configuration is that even if the line resistance changes due to temperature, the power at the receiving end can be controlled regardless of this. Regarding the transmission device 16.
低速伝送装置の１データとして送り、記憶回路１９に記
憶させることにエリ伝送容量の増大ケ防止している。By sending the data as one piece of data to the low-speed transmission device and storing it in the storage circuit 19, an increase in the transmission capacity is prevented.
以上のように、この発明に、ｃｎば、送電端情報のみ、
又は送電端に記憶されている情報のみを用いて受電端電
力を一定に制御できるように構成したので、安定な制御
が得ら；ｒｔ、、’ｚ７？１．装置が安価にできる効果
がある。As described above, in this invention, only cn, sending end information,
Alternatively, since the configuration is such that the power at the receiving end can be controlled at a constant level using only the information stored at the transmitting end, stable control can be obtained;rt,,'z7?1. This has the effect of making the device cheaper.
第１図は本発明の対象となる直流送電系統を示す図、第
２図及び第３図は従来の定電力制御装置を示すブロック
図、第４図は本発明の定電力制御装置の第１の実施例を
示すブロック図、第５図は本発明の定電力制御装置の第
２の実施例を示すブロック図。
１．２・・−交流系統、３，４・・・交直変換器、５゜
６・・・直流リアクトル、７．８・・・ＤＣＰＴ、９・
・・設定器、１０・−・足型力制御回路、１１・・・ゲ
ートパルス回路、１２．１６・・・伝送装置、１３・・
・掛算回路、１４．２０・・・制御回路、１５．１７・
・・加算器、１８・・・割算器、１９・・・記憶回路。
なお、図中同一符号は同−又は相当部分を示す。
代理人 大 岩 増 雄
第 １ 図
第 ２ 図
８３図
第 ４ 図Fig. 1 is a diagram showing a DC power transmission system to which the present invention is applied, Figs. 2 and 3 are block diagrams showing a conventional constant power control device, and Fig. 4 is a diagram showing a first constant power control device of the present invention. FIG. 5 is a block diagram showing a second embodiment of the constant power control device of the present invention. 1.2...-AC system, 3,4...AC/DC converter, 5゜6...DC reactor, 7.8...DCPT, 9.
... Setting device, 10... Foot force control circuit, 11... Gate pulse circuit, 12.16... Transmission device, 13...
・Multiplication circuit, 14.20...Control circuit, 15.17・
... Adder, 18... Divider, 19... Memory circuit. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent Masuo Oiwa Figure 1 Figure 2 Figure 83 Figure 4
Claims (2)
らの送電電力な制御する定電力制御装置において、上記
受電端と送電端との間を接続する送電線の抵抗値に対応
したゲインにエリ電流指令値の自乗値のゲインを制御す
るゲイン制御回路と、このゲイン回路の出力にエリ所足
の電流設定値を補正する加算器と、この加算器の出力と
上記受電端から検出された直流電圧との間の比から上記
電流指令値を得る定電流制御回路とを備え、上記電流指
令値にエリ上記送電端の送電電力を制御するようにした
定電力制御装置。(1) In a constant power control device that controls the power transmitted from the power transmitting end so that the received power at the power receiving end is a predetermined value, A gain control circuit that controls the gain of the square value of the current command value in the gain, an adder that corrects the required current setting value in the output of this gain circuit, and detection from the output of this adder and the above power receiving end. and a constant current control circuit that obtains the current command value from the ratio between the current command value and the DC voltage, the constant power control device controlling the transmitted power at the power transmission end based on the current command value.
らの送電電力な制御する定電力制御装置において、上記
送電端と受電端との間の電圧差から上記送電端と受電端
との間を接続する送電線の抵抗値乞算出し、保持する演
算回路と、上記抵抗値により電流指令値の自乗値のゲイ
ンを制御するゲイン制御回路と、このゲイン回路の出力
により所足の電流設定値を補正する加算器と、この加算
器の出力と上記受電端から検出さ扛た直流電圧との間の
比から上記電流指令値を得る定電流制御回路とを備え、
上記電流指令値にエリ上記送電端の送電電力を制御する
ようにした定電力制御装置。(2) In a constant power control device that controls the power transmitted from the power transmitting end so that the power received at the power receiving end is a predetermined value, the voltage difference between the power transmitting end and the power receiving end is determined based on the voltage difference between the power transmitting end and the power receiving end. an arithmetic circuit that calculates and holds the resistance value of the power transmission line connecting between the comprising an adder that corrects the set value, and a constant current control circuit that obtains the current command value from the ratio between the output of the adder and the DC voltage detected from the power receiving end,
A constant power control device configured to control the transmitted power at the power transmission end to the current command value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58133236A JPS6026417A (en) | 1983-07-19 | 1983-07-19 | Constant power controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58133236A JPS6026417A (en) | 1983-07-19 | 1983-07-19 | Constant power controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6026417A true JPS6026417A (en) | 1985-02-09 |
Family
ID=15099889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58133236A Pending JPS6026417A (en) | 1983-07-19 | 1983-07-19 | Constant power controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6026417A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04264142A (en) * | 1991-02-19 | 1992-09-18 | Nippon Zeon Co Ltd | Foamable epoxy resin composition |
| US6521706B1 (en) | 1998-01-12 | 2003-02-18 | Ppg Industries Ohio, Inc. | Composition of epoxy polymer, thermoplastic polymer, rubber particles and curing agent |
-
1983
- 1983-07-19 JP JP58133236A patent/JPS6026417A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04264142A (en) * | 1991-02-19 | 1992-09-18 | Nippon Zeon Co Ltd | Foamable epoxy resin composition |
| US6521706B1 (en) | 1998-01-12 | 2003-02-18 | Ppg Industries Ohio, Inc. | Composition of epoxy polymer, thermoplastic polymer, rubber particles and curing agent |
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