JPH0247183B2 - - Google Patents
Info
- Publication number
- JPH0247183B2 JPH0247183B2 JP56186004A JP18600481A JPH0247183B2 JP H0247183 B2 JPH0247183 B2 JP H0247183B2 JP 56186004 A JP56186004 A JP 56186004A JP 18600481 A JP18600481 A JP 18600481A JP H0247183 B2 JPH0247183 B2 JP H0247183B2
- Authority
- JP
- Japan
- Prior art keywords
- control
- terminal control
- target value
- power system
- processing unit
- 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.)
- Expired - Lifetime
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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は電力系統を最適制御するための電力
系統の制御方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power system control method for optimally controlling a power system.
電力系統の電圧・無効電力制御は、伝送装置を
介して接続された中央演算装置と端末制御装置に
それぞれ機能を分担させて実施している。
Voltage and reactive power control of the power system is carried out by having the central processing unit and terminal control unit, which are connected via a transmission device, each share their functions.
中央演算装置は、電力系統全体の最適制御（送
電損失の最小化等）のための演算を行ない、その
演算結果にもとづき、各端末制御装置で実施すべ
き制御内容を該各端末制御装置に伝送する。 The central processing unit performs calculations for optimal control of the entire power system (minimizing power transmission loss, etc.), and based on the calculation results, transmits the control details to be performed by each terminal control device to each terminal control device. do.
一方、各端末制御装置は中央演算装置から送信
された制御内容に基づき、変圧器タツプの上げ又
は下げ、調相設備用遮断器の投入または開放の制
御等を実施し、最適制御を実現している。 On the other hand, each terminal control device controls the raising or lowering of transformer taps, closing or opening of circuit breakers for phase adjustment equipment, etc., based on the control content sent from the central processing unit, thereby achieving optimal control. There is.
この場合、中央演算装置が各端末制御装置に送
信する制御内容により直接制御方法と間接制御方
法がある。 In this case, there are direct control methods and indirect control methods depending on the control content that the central processing unit sends to each terminal control device.
直接制御方法とは変圧器タツプの上げ又は下げ
とか調相設備用遮断器の投入又は開放の制御内容
を出力することであり、各端末制御装置ではこの
制御内容を解読し、当該機器に制御出力を出す。 The direct control method is to output control details such as raising or lowering a transformer tap or closing or opening a circuit breaker for phase adjustment equipment, and each terminal control device decodes this control content and outputs control to the relevant equipment. issue.
一方、間接制御方法とは、各端末制御装置に変
電所の母線電圧，変圧器通過の無効電力の目標値
を中央制御装置に送信し、各端末制御装置で母線
電圧，変圧器通過無効電力の目標値と現在値の偏
差を常に許容範囲におさまるように、変圧器タツ
プの上げ又は下げとか調相設備用遮断器の投入又
は開放の制御出力を当該機器に出すものである。 On the other hand, in the indirect control method, each terminal control device transmits the target values of the bus voltage of the substation and the reactive power passing through the transformer to the central control device. In order to keep the deviation between the target value and the current value within the permissible range, control outputs are sent to the equipment to raise or lower the transformer tap or to close or open the circuit breaker for the phase adjustment equipment.
以下、第３図乃至第５図に基いて、上記間接制
御方法を具体的に説明する。第３図において、中
央演算装置１は上り伝送装置１ａ〜１ｃと下り伝
送装置１a′〜１c′を介して電力系統の各個所に設
けられた端末制御装置２―１〜２―３に摂続され
ている。 Hereinafter, the above indirect control method will be specifically explained based on FIGS. 3 to 5. In FIG. 3, the central processing unit 1 is connected to terminal control devices 2-1 to 2-3 installed at various locations in the power system via upstream transmission devices 1a to 1c and downstream transmission devices 1a' to 1c'. has been done.
端末制御装置２―１〜２―３は、それぞれ当該
の変電所で測定された母線電圧、ブランチの有効
電力、無効電力等、系統の運用状態を表わすデー
タと、変圧器のタツプ位置、調相設備のオン又は
オフ状態、ブランチに接続された遮断器のオン又
はオフ状態等、系統の構成状態を表わすデータを
上り伝送装置１ａ〜１ｃを介して中央演算装置１
に伝送する。 The terminal control devices 2-1 to 2-3 each receive data representing the operational status of the system, such as bus voltage, branch active power, and reactive power measured at the relevant substation, as well as transformer tap positions and phase adjustment data. Data representing the configuration state of the system, such as the on or off state of equipment and the on or off state of circuit breakers connected to branches, is sent to the central processing unit 1 via upstream transmission devices 1a to 1c.
to be transmitted.
中央演算装置１はこれらのデータにより電圧、
無効電力、有効電力、損失等を算出し、系統全体
の最適制御をするための目標値を決定し、第３図
に示すように各時刻t1，t2，…に下り伝送装置１
a′〜１c′を介して各端末制御装置２―１〜２―３
に送る。 Based on these data, the central processing unit 1 calculates the voltage,
It calculates reactive power, active power, loss, etc., determines target values for optimal control of the entire system, and transmits the downlink transmission equipment 1 at each time t 1 , t 2 , . . . as shown in Fig. 3.
Each terminal control device 2-1 to 2-3 via a' to 1c'
send to
各端末制御装置２―１〜２―３は、それぞれに
おいて受信した目標値と現在の電圧及び無効電力
のデータとを比較し、その間の偏差をなくすよう
に、第２図に示すようなパターンに従つて制御を
行なう。即ち、調相設備（SC，SR）をオン（投
入）又はオフ（（開放）し、変圧器のタツプ
（LRT）を上げ又は下げの制御をする。なお、第
２図において、ΔVは電圧の偏差、ΔQは無効電
力の偏差である。 Each terminal control device 2-1 to 2-3 compares the received target value with the current voltage and reactive power data, and creates a pattern as shown in FIG. 2 to eliminate deviations between them. Therefore, control is performed. In other words, the phase modifier equipment (SC, SR) is turned on or off (opened) to control the transformer tap (LRT) to be raised or lowered. In Fig. 2, ΔV is the voltage The deviation, ΔQ, is the deviation of reactive power.
従来の電力系統の制御方法には以上のように２
つの制御方法があるが、前者の直接制御方法は中
央演算装置の演算周期を系統の負荷変動速度に比
較して十分短かくすれば、制御の追従性は良好と
なるが、高性能な中央演算装置が必要となり高価
となること、また中央演算装置又は伝送装置が故
障等によりダウンした場合には、各端末制御装置
が制御内容を受信できないため制御不能となると
いう問題点がある。
There are two conventional power system control methods as described above.
There are two types of control methods, but the former direct control method provides good control followability if the calculation cycle of the central processing unit is made sufficiently short compared to the load fluctuation speed of the system. There are problems in that a device is required and is expensive, and that if the central processing unit or transmission device goes down due to a failure or the like, each terminal control device cannot receive the control contents and becomes uncontrollable.
また、後者の間接制御方法では中央制御装置又
は伝送装置が故障等によりダウンしても各端末制
御装置の目標値を用いて制御を継続することがで
き、システムの信頼性が良く、中央演算装置は安
価なものが使用できるが、制御の追従性が劣ると
いう問題点がある。 In addition, with the latter indirect control method, even if the central control device or transmission device goes down due to a failure, control can be continued using the target values of each terminal control device, and the system has good reliability. An inexpensive one can be used, but the problem is that the control followability is poor.
この発明は上記のような従来の問題点を解消す
るためになされたもので、直接制御方法の追従性
の良さと間接制御方法のシステム信頼性の良さと
経済的である長所を組合せて、電力系統の最適制
御を実現する電力系統の制御方法を提供すること
を目的とする。 This invention was made to solve the above-mentioned conventional problems, and combines the good followability of the direct control method and the good system reliability and economical advantages of the indirect control method. The purpose of this study is to provide a power system control method that achieves optimal system control.
〔課題を解決するための手段〕
この発明に係る電力系統の制御方法は、複数の
端末制御装置からのデータを上り伝送装置を介し
て中央演算装置に伝送し、中央演算装置は受信し
たデータにより電力系統の最適制御のための目標
値と上記各端末制御装置において実行すべき直接
制御内容を決定して下り伝送装置を介して該各端
末制御装置に伝送し、上記各端末制御装置は受信
した直接制御内容に従つて電力系統の各部に配置
された各種の電気機器を制御するとともに上記目
標値と該電気機器に関する現在のデータとの間の
偏差を最小とするように該電気機器を制御するも
のである。[Means for Solving the Problems] A power system control method according to the present invention transmits data from a plurality of terminal control devices to a central processing unit via an uplink transmission device, and the central processing unit performs control based on the received data. Determine target values for optimal control of the power system and direct control contents to be executed in each of the terminal control devices, transmit them to each of the terminal control devices via the downlink transmission device, and each of the terminal control devices receive the information. Control various electrical devices located in each part of the power system according to direct control contents, and control the electrical devices so as to minimize the deviation between the target value and the current data regarding the electrical devices. It is something.
この発明の制御方法は、中央演算装置におい
て、各端末制御装置で実行する直接制御内容と目
標値を決定し、各端末制御装置は中央演算装置か
ら伝送された直接制御内容に従つて電気機器を制
御することにより、制御の追従性がよく、目標値
と電気機器に関する現在のデータとの間の偏差を
最小とするように制御することにより、安価な中
央演算装置を用いて、システムの信頼性を向上す
ることができる。
In the control method of the present invention, the central processing unit determines the direct control content and target value to be executed by each terminal control unit, and each terminal control unit controls electrical equipment according to the direct control content transmitted from the central processing unit. By controlling the control so that the control has good followability and minimizes the deviation between the target value and the current data regarding the electrical equipment, system reliability can be improved using an inexpensive central processing unit. can be improved.
以下、この発明の一実施例を第１図に示すフロ
ーチヤートについて説明する。中央演算装置１と
端末制御装置２―１〜２―３が制御を開始する
と、まず、各端末制御装置２―１〜２―３は、系
統構成状態、系統運用状態データ上り伝送装置１
ａ〜１ｃを介して中央演算装置１に伝送する（ス
テツプST１）。
An embodiment of the present invention will be described below with reference to the flowchart shown in FIG. When the central processing unit 1 and the terminal control devices 2-1 to 2-3 start control, each terminal control device 2-1 to 2-3 first transmits system configuration state and system operation state data to the uplink transmission device 1.
It is transmitted to the central processing unit 1 via a to 1c (step ST1).
中央演算装置１は受信データに基いて、電力系
統全体を最適制御するための各端末制御装置２―
１〜２―３の目標値を計算し（ステツプST２）、
この目標値を実現するための各端末制御装置２―
１〜２―３の直接制御内容（二値指令）つまり変
圧器タツプの上げ／下げ、調相設備用遮断器の投
入／開放を決定し（ステツプST３）、このステツ
プST２，ST３の動作を繰返すとともに上記の目
標値と直接制御内容（二値指令）を、第２図に示
すようなタイミングで下り伝送装置１a′〜１c′を
介して各端末制御装置に伝送する。 The central processing unit 1 controls each terminal control device 2 for optimally controlling the entire power system based on the received data.
Calculate the target values of 1 to 2-3 (step ST2),
Each terminal control device 2- to realize this target value
Determine the direct control contents (binary commands) of 1 to 2-3, that is, raising/lowering the transformer tap and closing/opening the circuit breaker for phase adjustment equipment (step ST3), and repeat the operations of steps ST2 and ST3. At the same time, the above-mentioned target value and direct control contents (binary commands) are transmitted to each terminal control device via the downlink transmission devices 1a' to 1c' at the timing shown in FIG.
各端末制御装置２―１〜２―３は、第１段階と
して受信した二値指令により指定された電気機器
が変圧器、調相設備用遮断器等のいずれであるか
を解読して、その電気機器をその制御形態に応じ
て、即ち変圧器の場合はタツプの切替、遮断器の
場合はオン又はオフを実行する（ステツプST
４）。 As a first step, each terminal control device 2-1 to 2-3 decodes whether the electrical equipment specified by the received binary command is a transformer, a circuit breaker for phase adjustment equipment, etc. Electrical equipment is controlled according to its control mode, i.e., switching taps in the case of transformers, turning on or off in the case of circuit breakers (step ST
4).
次いで、目標値の制御周期であるか否かを判断
し（ステツプST５）、NOであればステツプST
１に戻り、YESであれば、目標値逸脱をチエツ
クし、制御内容を決定し、受信した目標値と現在
のデータとを比較してその間の偏差をなくすよう
に、第２図に示すパターンに従つて次の時刻の受
信で目標値及び指令が更新されるまで変圧器タツ
プまたは調相設備の制御を遂行する（ステツプ
ST６）。 Next, it is determined whether or not it is the target value control cycle (step ST5), and if NO, step ST
Return to step 1, and if YES, check the target value deviation, determine the control content, compare the received target value and the current data, and follow the pattern shown in Figure 2 to eliminate the deviation between them. Therefore, the control of the transformer tap or phase modifier is performed until the target value and command are updated at the next time reception (step
ST6).
もし、中央演算装置１又は伝送路１ａ〜１ｃ上
に一時的な故障があつても端末制御装置２―１〜
２―３は、その間最後に与えられた目標値に従つ
て制御を実行するのでバツクアツプ機能も有する
ことが明らかである。 Even if there is a temporary failure on the central processing unit 1 or the transmission lines 1a to 1c, the terminal control devices 2-1 to
2-3 obviously also has a backup function since it executes control according to the last given target value during that time.
なお、端末制御装置は３台に限定されず、それ
以上の台数であつてもよい。 Note that the number of terminal control devices is not limited to three, and may be more than three.
以上のように、この発明によれば、中央演算装
置は電力系統全体を最適制御するための各端末制
御装置の目標値を計算するとともに該目標値を実
現するための各端末制御装置の直接制御内容（二
値指令）を決定して該各端末制御装置に伝送し、
上記各端末制御装置は受信した直接制御内容に応
じて電気機器を制御するので、電力系統の最適制
御を得るための制御の追従性がよい。また、受信
した目標値と電気機器に関する現在のデータとの
偏差を最小とするように電気機器を制御するの
で、バツクアツプ機能を有することになり、シス
テムの信頼性が向上する等の効果がある。
As described above, according to the present invention, the central processing unit calculates the target value of each terminal control device for optimally controlling the entire power system, and also directly controls each terminal control device to realize the target value. Determine the content (binary command) and transmit it to each terminal control device,
Since each of the above-mentioned terminal control devices controls the electric equipment according to the received direct control contents, the followability of control for obtaining optimal control of the power system is good. Furthermore, since the electrical equipment is controlled to minimize the deviation between the received target value and the current data regarding the electrical equipment, it has a backup function, which has the effect of improving the reliability of the system.
第１図はこの発明による電力系統の制御方法を
説明するフローチヤート、第２図はその制御方法
を実施するタイミング図、第３図は中央演算装置
と各端末制御装置の接続関係を示すブロツク図、
第４図は電力系統の電気機器を制御するパターン
図、第５図は従来の電力系統の制御方法を実施す
るタイミング図である。
１は中央演算装置、１ａ〜１ｃは上り伝送装
置、１a′〜１c′は下り伝送装置、２―１〜２―３
は端末制御装置。なお、図中、同一符号は同一ま
たは相当部分を示す。
Fig. 1 is a flowchart explaining the power system control method according to the present invention, Fig. 2 is a timing diagram for implementing the control method, and Fig. 3 is a block diagram showing the connection relationship between the central processing unit and each terminal control device. ,
FIG. 4 is a pattern diagram for controlling electrical equipment in a power system, and FIG. 5 is a timing diagram for implementing a conventional power system control method. 1 is a central processing unit, 1a to 1c are uplink transmission devices, 1a' to 1c' are downlink transmission devices, 2-1 to 2-3
is a terminal control device. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
装置から上り伝送装置を介して系統構成状態，系
統運用状態のデータを中央演算装置に伝送し、前
記中央演算装置は受信したデータに基いて、電力
系統全体を最適制御するための前記各端末制御装
置の目標値を計算するとともに該目標値を実現す
るための該各端末制御装置の直接制御内容を決定
して該目標値および該直接制御内容を下り伝送装
置を介して前記各端末制御装置に伝送し、前記各
端末制御装置は受信した前記直接制御内容により
前記電力系統の各種の電気機器を制御し、次いで
受信した前記目標値と前記電気機器に関する現在
のデータとの偏差を最小とするように前記電気機
器を制御することを特徴とする電力系統の制御方
法。1. Data on the system configuration state and system operation state is transmitted from a plurality of terminal control devices arranged in each part of the power system to a central processing unit via an uplink transmission device, and the central processing unit, based on the received data, Calculate a target value for each terminal control device to optimally control the entire power system, determine the direct control content of each terminal control device to realize the target value, and determine the target value and the direct control content. is transmitted to each of the terminal control devices via a downlink transmission device, and each of the terminal control devices controls various electrical devices in the power system based on the received direct control content, and then transmits the received target value and the electricity A method for controlling an electric power system, comprising controlling the electrical equipment so as to minimize deviation from current data regarding the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56186004A JPS5886831A (en) | 1981-11-18 | 1981-11-18 | Power system control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56186004A JPS5886831A (en) | 1981-11-18 | 1981-11-18 | Power system control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5886831A JPS5886831A (en) | 1983-05-24 |
| JPH0247183B2 true JPH0247183B2 (en) | 1990-10-18 |
Family
ID=16180678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56186004A Granted JPS5886831A (en) | 1981-11-18 | 1981-11-18 | Power system control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5886831A (en) |
-
1981
- 1981-11-18 JP JP56186004A patent/JPS5886831A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5886831A (en) | 1983-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9973004B2 (en) | Change of current return path in a bipole power transmission system | |
| US20030185150A1 (en) | Monitoring and control system | |
| EP0129250B2 (en) | Converter control system | |
| CN114188947A (en) | Electrified loop closing system of 10kV distribution line and control method thereof | |
| Graf | Real time application of an optimal power flow algorithm for reactive power allocation of the RWE energy control center | |
| JP3761630B2 (en) | Automatic power factor adjuster | |
| JP3099978B2 (en) | Power relay for grid connection | |
| JPH0531763B2 (en) | ||
| US2292844A (en) | Regulating system | |
| JPH0332289B2 (en) | ||
| CN117293910B (en) | Power supply quality regulation and control method and system for low-voltage power generation vehicle | |
| JP2002262459A (en) | Power receiving installation | |
| JP3669043B2 (en) | Hydropower plant control equipment | |
| JPH0284021A (en) | Peak-cut power supply system | |
| JPH0349531A (en) | Switching, cutting-off and returning method for low voltage side load of transformer | |
| WO2012053934A1 (en) | System for controlling electrical power generation | |
| JPH0746763A (en) | Reactive power regulator | |
| JPH0419783B2 (en) | ||
| JPS6244028A (en) | Voltage/reactive power controller | |
| CN121584726A (en) | A method for black-starting multiple parallel units of an energy storage system and a system for black-starting multiple parallel units. | |
| JPH01148075A (en) | inverter device | |
| JPH07194009A (en) | Synchronous machine operation controller | |
| CN113783292A (en) | Method for realizing multi-path parallel switching of parallel controller | |
| JPH02273035A (en) | System voltage regulator | |
| de Graaff et al. | Flexible framework for the operation of distribution networks: synchronizing and connecting grid areas using multi back‐to‐back converters |