JPH05268735A - Load controller - Google Patents

Load controller

Info

Publication number
JPH05268735A
JPH05268735A JP4062876A JP6287692A JPH05268735A JP H05268735 A JPH05268735 A JP H05268735A JP 4062876 A JP4062876 A JP 4062876A JP 6287692 A JP6287692 A JP 6287692A JP H05268735 A JPH05268735 A JP H05268735A
Authority
JP
Japan
Prior art keywords
current
power
switch
load
master station
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.)
Granted
Application number
JP4062876A
Other languages
Japanese (ja)
Other versions
JP2726781B2 (en
Inventor
Tadashi Matsumoto
忠士 松本
Yoshiro Noguchi
好朗 野口
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4062876A priority Critical patent/JP2726781B2/en
Publication of JPH05268735A publication Critical patent/JPH05268735A/en
Application granted granted Critical
Publication of JP2726781B2 publication Critical patent/JP2726781B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To get a highly reliable load controller which can grasp the toad control with a key-station device. CONSTITUTION:This controller is equipped with a terminal device 24, which selectively opens and closes the switches 5-7 provided in the power supply paths of control-target loads 8-10, a key-station device 30, which is connected to this terminal device 24 through transmitting means 25 and 31 and a transmission path 32, and a current transformer 26, which detects the change of the current based on the on/off condition of switches 5-7, and a current change detector 27, which detects the increase and the decrease of a current, receiving the detection signal of this current transformer 26. The load control condition on the side of the key-station is checked by collating the current information from the current change detector 27 being supplied through transmission means 25 and 31 and the transmission path 32 with the current information by customers.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は電力系統に接続された
負荷を制御する負荷制御装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load control device for controlling a load connected to a power system.

【0002】[0002]

【従来の技術】図9は従来の電力系統に接続された負荷
制御装置の構成図であり、図において、1は電力系に接
続される電力線、2は電力線1に接続された取引用変成
器(電力量計を含む)、3は取引用変成器2の出力側に
設けた引込み用主開閉器、4は幹線、5,6,7はそれ
ぞれ負荷8,9,10の給電路に設けた開閉器である。
30は上記開閉器5,6,7の制御信号を出力する親局
装置であり、この親局装置30は伝送装置31、信号伝
送路(通信線)32、伝送装置25を介して端末装置2
4に接続されている。21,22,23は端末装置24
から開閉器5,6,7にそれぞれ制御信号を供給する制
御線である。
2. Description of the Related Art FIG. 9 is a block diagram of a conventional load control device connected to a power system. In the figure, 1 is a power line connected to the power system and 2 is a transformer for transaction connected to the power line 1. (Including an electricity meter) 3 is a main switch for pulling in provided on the output side of the transformer 2 for transaction, 4 is a main line, 5 and 6, 7 are provided in the power feeding paths of the loads 8, 9 and 10, respectively. It is a switch.
Reference numeral 30 denotes a master station device that outputs the control signals of the switches 5, 6, and 7. The master station device 30 has a terminal device 2 via a transmission device 31, a signal transmission path (communication line) 32, and a transmission device 25.
4 is connected. 21, 22 and 23 are terminal devices 24
Is a control line for supplying a control signal to each of the switches 5, 6, and 7.

【0003】次に動作について説明する。Next, the operation will be described.

【0004】電力の需給状況から負荷制御を要すること
は周知の事実であり、電力需給状況監視は発電所及び変
電所で行われている。この需給状態監視結果により、負
荷制御が必要と判定されれば電力会社の制御所または営
業所に設置された親局装置30から需要家の負荷8,9
または10を制御するために、伝送装置31、信号伝送
線32、伝送装置25を通じ、端末装置24へ開閉器
5,6または7の制御信号が伝送される。この端末装置
24は伝送された制御信号に基づいてどの負荷を制御す
るのかを判別し、対象負荷に対する開閉器5,6,また
は7を選択して開閉制御する開閉器5,6または7が開
閉制御されれば、それぞれの開閉器5,6または7に付
属している補助接点の状況を端末装置24を介して親局
装置30へ伝送し、対象負荷が制御されたことを親局装
置30で把握するものである。
It is a well-known fact that load control is required depending on the power supply and demand situation, and power supply and demand situation monitoring is performed at power plants and substations. If it is determined from the supply and demand status monitoring result that load control is required, the load of the customer 8, 9 from the master station device 30 installed in the control office or sales office of the power company
Alternatively, in order to control 10, the control signal of the switch 5, 6, or 7 is transmitted to the terminal device 24 through the transmission device 31, the signal transmission line 32, and the transmission device 25. The terminal device 24 determines which load is to be controlled based on the transmitted control signal, and selects the switch 5, 6, or 7 for the target load to perform the switching control. If controlled, the status of the auxiliary contact attached to each switch 5, 6 or 7 is transmitted to the master station device 30 via the terminal device 24, and the master station device 30 indicates that the target load has been controlled. It is something to grasp.

【0005】[0005]

【発明が解決しようとする課題】従来の負荷制御装置は
以上のように構成されているので、親局装置30は開閉
器5,6,7の開閉を監視制御できるが、負荷8,9,
10は幹線4とは別の幹線に設けられた開閉器の開閉
で、需要家側の意志で任意に制御することができるた
め、親局装置30において実際の負荷制御ができないと
いう問題点があった。この発明は上記のような問題点を
解消することを課題になされたものであり、負荷変化に
よる電気量の変化(あるいは電流変化分量または電力変
化分量)を監視し、負荷制御が行われたことを親局装置
で直接確認できる負荷制御装置を提供することを目的と
する。
Since the conventional load control device is constructed as described above, the master station device 30 can monitor and control the opening and closing of the switches 5, 6, 7 but the load 8, 9,
10 is an opening / closing of a switch provided on a trunk line different from the trunk line 4 and can be arbitrarily controlled by the side of the customer, so that there is a problem that actual load control cannot be performed in the master station device 30. It was The present invention has been made to solve the above problems, and the load control is performed by monitoring the change in the amount of electricity (or the amount of change in current or the amount of change in power) due to a change in load. It is an object of the present invention to provide a load control device capable of directly confirming with a master station device.

【0006】[0006]

【課題を解決するための手段】請求項1の発明に係る負
荷制御装置は、制御対象負荷の給電路に設けられた開閉
器と、この開閉器を選択的に開閉制御する端末装置と、
この端末装置に伝送手段を介して接続された親局装置
と、前記開閉器の入切状態に基づく電流の変化を検出す
る変流器と、この変流器の検出信号を受けて電流の増減
を検出する電流変化分検出装置とを備えたものである。
According to a first aspect of the present invention, there is provided a load control device, which includes a switch provided in a power supply path of a load to be controlled, and a terminal device for selectively opening and closing the switch.
A master station device connected to this terminal device through a transmission means, a current transformer that detects a change in current based on the on / off state of the switch, and a current increase / decrease in response to a detection signal from this current transformer. And a current change amount detection device for detecting

【0007】請求項2の発明に係る負荷制御装置は、制
御対象負荷の給電路に設けられた開閉器と、この開閉器
を選択的に開閉制御する端末装置と、この端末装置に伝
送手段を介して接続された親局装置と、前記開閉器の入
切状態に基づく電流の変化を検出する変流器および電圧
の変化を検出する変圧器と、前記変流器および前記変圧
器の検出信号を受けて電力の増減を検出する電力変化分
検出装置とを備えたものである。
According to a second aspect of the present invention, there is provided a load control device, wherein a switch provided in a power feeding path of a load to be controlled, a terminal device for selectively opening and closing the switch, and a transmission means for the terminal device. A master station device connected through the current transformer, a current transformer that detects a change in current based on an on / off state of the switch, and a transformer that detects a change in voltage, and a detection signal of the current transformer and the transformer. In response to this, an electric power change amount detecting device for detecting an increase / decrease in electric power is provided.

【0008】請求項3の発明に係る負荷制御装置は、制
御対象負荷の給電路に設けられた開閉器と、この開閉器
を選択的に開閉制御する端末装置と、この端末装置に伝
送手段を介して接続された親局装置と、前記開閉器の入
切状態に基づく電流の変化を検出する変流器と、この変
流器の検出信号を受けて電流変化分量を検出する電流値
計測装置とを備えものである。
According to a third aspect of the present invention, there is provided a load control device, wherein a switch provided in a power feeding path of a load to be controlled, a terminal device for selectively opening and closing the switch, and a transmission means for the terminal device. A master station device connected via the current transformer, a current transformer that detects a change in current based on the on / off state of the switch, and a current value measuring device that receives a detection signal of the current transformer and detects a current change amount. It is equipped with and.

【0009】請求項4の発明に係る負荷制御装置は、制
御対象負荷の給電路に設けられた開閉器と、この開閉器
を選択的に開閉制御する端末装置と、この端末装置に伝
送手段を介して接続された親局装置と、前記開閉器の入
切状態に基づく電流の変化を検出する変流器および電圧
の変化を検出する変圧器と、前記変流器および前記変圧
器の検出信号を受けて電力変化分量を検出する電力値計
測装置とを備えたものである。
According to a fourth aspect of the present invention, there is provided a load control device, wherein a switch provided in a power feeding path of a load to be controlled, a terminal device for selectively opening and closing the switch, and a transmission means for the terminal device. A master station device connected through the current transformer, a current transformer that detects a change in current based on an on / off state of the switch, and a transformer that detects a change in voltage, and a detection signal of the current transformer and the transformer. And a power value measuring device that receives the amount of change in power and detects the amount of change in power.

【0010】[0010]

【作用】請求項1の発明における負荷制御装置は、端末
装置側の電流変化分検出装置から伝送されてきた電流情
報を、また請求項2の発明における負荷制御装置は、端
末装置側の電力変化分検出装置から伝送されてきた電力
情報を親局装置側で予じめ保有している需要家別の電流
情報または電力情報と照合して負荷制御状態を確認する
ことにより、親局装置側で実際の負荷制御が確実に知る
ことができる。
The load control device according to the first aspect of the present invention uses the current information transmitted from the current change amount detection device on the terminal device side, and the load control device according to the second aspect of the invention is the power change on the terminal device side. By confirming the load control status by comparing the electric power information transmitted from the minute detection device with the current information or electric power information for each customer that the parent station device holds in advance, the parent station device side The actual load control can be known with certainty.

【0011】請求項3の発明における負荷制御装置は、
端末装置側の電流値計測装置から伝送されてきた電流変
化分量を、また請求項4の発明における負荷制御装置
は、端末装置側の電力値計測装置から伝送されてきた電
力変化分量を親局装置側の電流または電力監視画面で直
続して負荷制御状態を確認することにより、信頼できる
負荷制御を高精度に行うことができる。
According to a third aspect of the present invention, there is provided a load control device,
The current change amount transmitted from the current value measuring device on the terminal device side, and the load control device according to the invention of claim 4 uses the power change amount transmitted from the power value measuring device on the terminal device side as the master station device. By directly checking the load control state on the side current or power monitoring screen, reliable load control can be performed with high accuracy.

【0012】[0012]

【実施例】実施例1 以下、本発明の実施例1を図に基づいて説明する。Embodiment 1 Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings.

【0013】前記図9に示す従来装置と同一部分に同一
符号を付して重複説明を省略した図1において、26は
幹線4に設けた変流器、27は変流器26から出力され
た幹線4の電流変化分を検出する電流変化分検出装置で
あり、この電流変化分検出装置27は伝送装置25、信
号伝送路32、伝送装置31を介して親局装置30へ電
流情報を伝送するように構成されている。
In FIG. 1 in which the same parts as those in the conventional device shown in FIG. 9 are designated by the same reference numerals and duplicate description is omitted, 26 is a current transformer provided in the main line 4, and 27 is a current transformer 26. This is a current change amount detecting device for detecting a current change amount of the main line 4, and this current change amount detecting device 27 transmits current information to the master station device 30 via the transmission device 25, the signal transmission path 32, and the transmission device 31. Is configured.

【0014】次ぎに動作について説明する。図1におい
て、親局装置30より負荷8を開閉器5により切制御す
る制御信号を出力すると、この制御信号が伝送装置3
1、信号伝送路32、伝送装置25を介して供給された
端末装置24は開閉器5の切動作を行い、その補助接点
(図示せず)が切状態になったことにより、開閉器5の
切状態を把握する。また、開閉器5が切動作を行なった
ことにより、幹線4に流れる電流が減少するが、この電
流減少を変流器26を介して電流変化分検出装置27で
検出する。この場合、電流減少の場合は“−1”の符号
(電流増加の場合は“+1”の符号)を、開閉器5の状
態信号(入りの場合は“1”、切りの場合は“0”の符
号)と合わせて、伝送装置25で編集し、信号伝送路3
2、伝送装置31を介して親局装置30へ伝送する。
Next, the operation will be described. In FIG. 1, when a control signal for controlling the load 8 to be switched off by the switch 5 is output from the master station device 30, this control signal is transmitted to the transmission device 3
1, the terminal device 24 supplied via the signal transmission path 32 and the transmission device 25 performs the disconnecting operation of the switch 5, and the auxiliary contact (not shown) is in the disconnection state. Know the cut state. Further, the current flowing through the main line 4 decreases due to the switching operation of the switch 5, and this current decrease is detected by the current change detecting device 27 via the current transformer 26. In this case, the sign of "-1" (the sign of "+1" when the current increases) when the current decreases, the status signal of the switch 5 ("1" when the switch is ON, "0" when the switch is OFF) Code) and edited by the transmission device 25, and the signal transmission line 3
2. Transmit to the master station device 30 via the transmission device 31.

【0015】親局装置30では伝送されたきた電流情報
を、予め保有させている図2に示すような需要家別の電
流情報であるデータベース(需要家名、開閉器NO、負
荷名、負荷容量等)と照合し、開閉器5の制御により負
荷8が制御されたことを把握し、間接的に負荷制御状態
を知ることができる。
In the master station device 30, the transmitted current information is stored in advance as a database of current information for each customer as shown in FIG. 2 (customer name, switch NO, load name, load capacity). Etc.), the load 8 is controlled by the control of the switch 5, and the load control state can be indirectly known.

【0016】即ち、図1において、負荷8,9および1
0に対し、親局装置30の需要家のデータベースを図2
の負荷NO.1,2および3と登録しておき、図1にお
いて負荷8の切制御が開閉器5の切制御で行なわれる
と、図2の負荷NO.1の負荷電流I1 (A)は0
(A)へ減少する。この状態変化を図1の電流変化分検
出装置27で検出する。本実施例では電流変化が減少の
ケースであるので“−1”を親局装置30へ送信する。
この場合、親局装置側では負荷NO.1のI1 が「0」
になったことを計算し、負荷制御を行なった結果による
変化分情報を一点づつ把握し、制御結果の確認を行うこ
とが可能となり、いわゆる“空打ち”がなくなり、真の
負荷制御が行なえることになる。
That is, in FIG. 1, loads 8, 9 and 1
0, the database of the consumer of the master station device 30 is shown in FIG.
Load NO. 1, 2 and 3 are registered, and the load 8 is controlled to be switched off by the switch 5 in FIG. The load current I1 (A) of 1 is 0
Reduce to (A). This state change is detected by the current change amount detection device 27 of FIG. In this embodiment, since the change in current is a case of decrease, “−1” is transmitted to the master station device 30.
In this case, the load NO. I1 of 1 is "0"
It is possible to check that the control result is calculated and to grasp the change information by the result of load control one by one, and to confirm the control result. It will be.

【0017】実施例2 図3は前記図1に示す実施例1の装置と同一部分に同一
符号を付して重複説明を省略した実施例2を示すブロッ
ク図である。図3において、28は変圧器、29は変流
器26から電流値変化を、変圧器28から電圧値変化を
それぞれ入力する電力変化分検出装置である。
Second Embodiment FIG. 3 is a block diagram showing a second embodiment in which the same parts as those of the apparatus of the first embodiment shown in FIG. In FIG. 3, 28 is a transformer, and 29 is a power change detecting device for inputting a current value change from the current transformer 26 and a voltage value change from the transformer 28, respectively.

【0018】図3において、負荷8,9または10は、
前記実施例1と同様、開閉器5,6または7で制御され
るが、負荷制御された結果による電力の増減を電力変化
分検出装置29で検出し、電力増加の場合は+1を、電
力減少の場合は−1を親局装置30へ送信する。
In FIG. 3, the load 8, 9 or 10 is
Similar to the first embodiment, it is controlled by the switches 5, 6 or 7, but the increase / decrease in power due to the result of load control is detected by the power change amount detection device 29, and in the case of power increase, +1 is applied and power decrease In the case of, -1 is transmitted to the master station device 30.

【0019】親局装置30には、予め需要家毎に電力情
報であるデータベースを図4に示すように保有させてお
き、このデータベースと送信されてくる電力情報とを照
合して負荷制御結果を確認することが可能となり、実施
例1と同様の結果を奏する。実施例3 図5は前記図1に示す実施例1の装置と同一部分に同一
符号を付して重複説明を省略した実施例3を示すブロッ
ク図である。図5において、33は電流値計測装置であ
り、負荷8,9および10が制御されれば、その負荷量
に応じた電流をそのまま計測するものであり、計測され
た電流変化分量情報は伝送装置25、信号伝送路32、
伝送装置31を介して親局装置30へ送信される。
The master station device 30 holds a database of power information for each customer in advance as shown in FIG. 4, and collates this database with the transmitted power information to obtain a load control result. It becomes possible to confirm, and the same results as in Example 1 are obtained. Third Embodiment FIG. 5 is a block diagram showing a third embodiment in which the same parts as those of the device of the first embodiment shown in FIG. In FIG. 5, reference numeral 33 is a current value measuring device, which directly measures the current corresponding to the load amount when the loads 8, 9 and 10 are controlled, and the measured current change amount information is transmitted by the transmission device. 25, signal transmission path 32,
It is transmitted to the master station device 30 via the transmission device 31.

【0020】親局装置30には、図6に示すような電流
監視画面が用意されており、需要家側から収集された電
流変化分量情報により画面が更新され、負荷制御状況が
直読可能となっている。
The master station device 30 is provided with a current monitoring screen as shown in FIG. 6, and the screen is updated with the current change amount information collected from the customer side, so that the load control status can be read directly. ing.

【0021】図6に示す電流監視画面において、t0 〜
t1 の時刻においては、図5における負荷8,9および
10(データベース上の負荷名称L1 ,L2 およびL3
)がすべて入の状態であり、負荷電流はそれぞれI1
,I2 およびI3 であったが、時刻t1 において負荷
8(負荷名称L1 )を切制御されると、負荷電流はI1
+I2 +I3 からI2 +I3 と変化する。この電流値の
変化を親局装置30で直接把握することができる。この
結果、制御結果が正しく確認可能となり、上記実施例と
同等以上の効果を奏する。
On the current monitor screen shown in FIG.
At time t1, the loads 8, 9 and 10 (load names L1, L2 and L3 on the database) in FIG.
) Are all on, and the load current is I1
, I2 and I3, but when the load 8 (load name L1) is controlled to be off at time t1, the load current is I1.
It changes from + I2 + I3 to I2 + I3. The change in the current value can be directly grasped by the master station device 30. As a result, the control result can be correctly confirmed, and an effect equal to or higher than that of the above-described embodiment can be obtained.

【0022】実施例4 図7は前記図1に示す実施例1の装置と同一部分に同一
符号を付して重複説明を省略した実施例4を示すブロッ
ク図である。図7において、34は変流器26から電流
値と変成器28から電圧値を入力する電力値計測装置で
あり、負荷8,9および10が制御されれば、これに応
じた電力値を計測し、この計測した電力値を伝送装置2
5、信号伝送路32、伝送装置31を介して親局装置3
0へ送信する。
Fourth Embodiment FIG. 7 is a block diagram showing a fourth embodiment in which the same parts as those of the device of the first embodiment shown in FIG. In FIG. 7, reference numeral 34 is a power value measuring device for inputting a current value from the current transformer 26 and a voltage value from the transformer 28. If the loads 8, 9 and 10 are controlled, the power value corresponding to this is measured. Then, the measured power value is transmitted to the transmission device 2
5, the signal transmission path 32, and the transmission device 31, the master station device 3
Send to 0.

【0023】親局装置30には、図8に示すような電力
監視画面が用意されており、需要家より収集された電力
変化分量情報により画面が更新され、負荷制御状況が電
力値として直読可能となっている。
A power monitoring screen as shown in FIG. 8 is prepared for the master station device 30, and the screen is updated by the power change amount information collected from the customer so that the load control status can be directly read as a power value. Has become.

【0024】図8に示す電力監視画面において、時刻t
0 〜t1 までは、図7における負荷8,9および10が
すべて入の状態であり、負荷の電力値はそれぞれP1 +
P2+P3 であったが、時刻t1 において負荷8(電力
値P1 )が切制御されると、負荷電力値はP2 +P3 と
変化する。この電力値の変化状況を親局装置30で直接
監視することが可能となる。この結果、電力系統全体か
ら要求される負荷制御量(電力値)と同一単値でその数
値(電力値)を把握することができ、上記実施例と同等
以上の効果を奏する。
On the power monitoring screen shown in FIG. 8, time t
From 0 to t1, the loads 8, 9 and 10 in FIG. 7 are all on, and the power values of the loads are P1 +
Although P2 + P3, the load power value changes to P2 + P3 when the load 8 (power value P1) is cut off at time t1. It becomes possible for the master station device 30 to directly monitor the change status of the power value. As a result, the numerical value (electric power value) can be grasped with the same single value as the load control amount (electric power value) required from the entire electric power system, and an effect equal to or more than that of the above-mentioned embodiment is obtained.

【0025】[0025]

【発明の効果】以上のように、請求項1または請求項2
の発明によれば、負荷制御を行うに当って、制御対象負
荷に設けられた開閉器の入切状態の監視の他に、制御結
果として生ずる電流または電力の変化を親局装置側で予
じめ保有している需要家別の電流情報または電力情報と
照合して、負荷制御状態を確認するように構成したの
で、負荷制御が確実なものとなる。
As described above, the first or second aspect of the present invention is provided.
According to the invention, in performing the load control, in addition to monitoring the on / off state of the switch provided in the load to be controlled, the change in current or power resulting from the control is predicted on the master station device side. Therefore, the load control is ensured because the load control state is confirmed by collating with the current information or power information for each customer.

【0026】また、請求項3または請求項4の発明によ
れば、制御対象負荷に設けられた開閉器の入切状態の監
視の他に、制御結果として生ずる電流変化分量または電
力変化分量を親局装置側の電流または電力監視画面で監
視するように構成したので、信頼できる精度の高い負荷
制御装置が得られるという効果がある。
Further, according to the invention of claim 3 or 4, in addition to the monitoring of the on / off state of the switch provided in the load to be controlled, the amount of current change or the amount of power change produced as a result of control is monitored. Since it is configured to monitor the current or power monitoring screen on the station device side, there is an effect that a reliable and highly accurate load control device can be obtained.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明における負荷制御装置の実施例1を示
すブロック図である。
FIG. 1 is a block diagram showing a first embodiment of a load control device according to the present invention.

【図2】実施例1の親局装置に設けられたデータベース
および制御結果のデータ対応説明図である。
FIG. 2 is an explanatory diagram of data correspondence of a database and a control result provided in the master station device of the first embodiment.

【図3】この発明における負荷制御装置の実施例2を示
すブロック図である。
FIG. 3 is a block diagram showing a second embodiment of the load control device according to the present invention.

【図4】実施例2の親局装置に設けられたデータベース
および制御結果のデータ対応説明図である。
FIG. 4 is an explanatory diagram of data correspondence of a database and a control result provided in the master station device according to the second embodiment.

【図5】この発明における負荷制御装置の実施例3を示
すブロック図である。
FIG. 5 is a block diagram showing a third embodiment of the load control device according to the present invention.

【図6】実施例3の親局装置における電流監視画面図で
ある。
FIG. 6 is a current monitoring screen view of the master station device according to the third embodiment.

【図7】この発明における負荷制御装置の実施例4を示
すブロック図である。
FIG. 7 is a block diagram showing a fourth embodiment of the load control device according to the present invention.

【図8】実施例4の親局装置における電力監視画面図で
ある。
FIG. 8 is a power monitoring screen view of the master station device according to the fourth embodiment.

【図9】従来の負荷制御装置を示すブロック図である。FIG. 9 is a block diagram showing a conventional load control device.

【符号の説明】[Explanation of symbols]

5〜7 開閉器 8〜10 負荷 24 端末装置 25 伝送装置(伝送手段) 26 変流器 27 電流変化分検出装置 28 変圧器 29 電力変化分検出装置 30 親局装置 31 伝送装置(伝送手段) 32 信号伝送路(伝送手段) 33 電流値計測装置 34 電力値計測装置 5-7 Switch 8-10 Load 24 Terminal device 25 Transmission device (transmission means) 26 Current transformer 27 Current change detection device 28 Transformer 29 Power change detection device 30 Master station device 31 Transmission device (transmission means) 32 Signal transmission line (transmission means) 33 Current value measuring device 34 Electric power value measuring device

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 制御対象負荷の給電路に設けられた開閉
器と、この開閉器を選択的に開閉制御する端末装置と、
この端末装置に伝送手段を介して接続された親局装置
と、前記開閉器の入切状態に基づく電流の変化を検出す
る変流器と、この変流器の検出信号を受けて電流の増減
を検出する電流変化分検出装置とを備え、前記伝送手段
を介して供給された前記電流変化分検出装置からの電流
情報を予じめ保有している需要家別の電流情報と照合し
て前記親局装置側で負荷制御状態を確認することを特徴
とする負荷制御装置。
1. A switch provided in a power supply path of a load to be controlled, and a terminal device for selectively opening and closing the switch,
A master station device connected to this terminal device through a transmission means, a current transformer that detects a change in current based on the on / off state of the switch, and a current increase / decrease in response to a detection signal from this current transformer. And a current change amount detection device for detecting the current change amount detection device, and the current information from the current change amount detection device supplied via the transmission means is collated with the current information for each customer who holds the current information. A load control device characterized in that the master station device confirms the load control status.
【請求項2】 制御対象負荷の給電路に設けられた開閉
器と、この開閉器を選択的に開閉制御する端末装置と、
この端末装置に伝送手段を介して接続された親局装置
と、前記開閉器の入切状態に基づく電流の変化を検出す
る変流器および電圧の変化を検出する変圧器と、前記変
流器および前記変圧器の検出信号を受けて電力の増減を
検出する電力変化分検出装置とを備え、前記伝送手段を
介して供給された前記電力変化分検出装置からの電力情
報を予じめ保有している需要家別の電力情報と照合して
前記親局装置側で負荷制御状態を確認することを特徴と
する負荷制御装置。
2. A switch provided in a power supply path of a load to be controlled, and a terminal device for selectively opening and closing the switch,
A master station device connected to this terminal device through a transmission means, a current transformer that detects a change in current based on an on / off state of the switch and a transformer that detects a change in voltage, and the current transformer. And a power change amount detection device that detects an increase or decrease in power in response to a detection signal from the transformer, and holds in advance the power information from the power change amount detection device supplied through the transmission means. The load control device is characterized in that the load control state is confirmed on the side of the master station device by collating with the power information for each consumer.
【請求項3】 制御対象負荷の給電路に設けられた開閉
器と、この開閉器を選択的に開閉制御する端末装置と、
この端末装置に伝送手段を介して接続された親局装置
と、前記開閉器の入切状態に基づく電流の変化を検出す
る変流器と、この変流器の検出信号を受けて電流変化分
量を検出する電流値計測装置とを備え、前記伝送手段を
介して供給された前記電流値計測装置からの電流変化分
量情報を前記親局装置側の電流監視画面で直続して負荷
制御状態を確認することを特徴とする負荷制御装置。
3. A switch provided in a power supply path of a load to be controlled, and a terminal device for selectively opening and closing the switch,
A master station device connected to this terminal device through a transmission means, a current transformer that detects a change in current based on the on / off state of the switch, and a current change amount in response to a detection signal of this current transformer. And a current value measuring device for detecting the current change amount information from the current value measuring device supplied via the transmission means, and the load control state is directly connected to the current monitoring screen of the master station device side. A load control device characterized by confirming.
【請求項4】 制御対象負荷の給電路に設けられた開閉
器と、この開閉器を選択的に開閉制御する端末装置と、
この端末装置に伝送手段を介して接続された親局装置
と、前記開閉器の入切状態に基づく電流の変化を検出す
る変流器および電圧の変化を検出する変圧器と、前記変
流器および前記変圧器の検出信号を受けて電力変化分量
を検出する電力値計測装置とを備え、前記伝送手段を介
して供給された前記電力値計測検出装置からの電力変化
分量情報を前記親局装置側の電力監視画面で直続して負
荷制御状態を確認することを特徴とする負荷制御装置。
4. A switch provided in a power supply path of a load to be controlled, and a terminal device for selectively opening and closing the switch.
A master station device connected to this terminal device through a transmission means, a current transformer that detects a change in current based on an on / off state of the switch and a transformer that detects a change in voltage, and the current transformer. And a power value measuring device that receives a detection signal of the transformer to detect a power change amount, and the master station device receives the power change amount information from the power value measuring and detecting device supplied via the transmission means. A load control device characterized by directly checking the load control status on the power monitoring screen on the side.
JP4062876A 1992-03-19 1992-03-19 Load control device Expired - Fee Related JP2726781B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4062876A JP2726781B2 (en) 1992-03-19 1992-03-19 Load control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4062876A JP2726781B2 (en) 1992-03-19 1992-03-19 Load control device

Publications (2)

Publication Number Publication Date
JPH05268735A true JPH05268735A (en) 1993-10-15
JP2726781B2 JP2726781B2 (en) 1998-03-11

Family

ID=13212912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4062876A Expired - Fee Related JP2726781B2 (en) 1992-03-19 1992-03-19 Load control device

Country Status (1)

Country Link
JP (1) JP2726781B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289868A (en) * 1988-09-28 1990-03-29 Honda Motor Co Ltd Swash plate type hydraulic device
JP2012516133A (en) * 2009-01-26 2012-07-12 ジュネーブ クリーンテック インコーポレイテッド Energy monitoring device, identification method and generation method
JP2013102610A (en) * 2011-11-08 2013-05-23 Nippon Telegr & Teleph Corp <Ntt> Wide-area power failure prevention method and wide-area power failure prevention system
JP2014510508A (en) * 2011-02-23 2014-04-24 レスポンシブロード リミテッド Virtual power plant
WO2017018344A1 (en) * 2015-07-29 2017-02-02 京セラ株式会社 Communication device and communication method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289868A (en) * 1988-09-28 1990-03-29 Honda Motor Co Ltd Swash plate type hydraulic device
JP2012516133A (en) * 2009-01-26 2012-07-12 ジュネーブ クリーンテック インコーポレイテッド Energy monitoring device, identification method and generation method
JP2014510508A (en) * 2011-02-23 2014-04-24 レスポンシブロード リミテッド Virtual power plant
JP2013102610A (en) * 2011-11-08 2013-05-23 Nippon Telegr & Teleph Corp <Ntt> Wide-area power failure prevention method and wide-area power failure prevention system
WO2017018344A1 (en) * 2015-07-29 2017-02-02 京セラ株式会社 Communication device and communication method
JPWO2017018344A1 (en) * 2015-07-29 2018-04-26 京セラ株式会社 Communication apparatus and communication method

Also Published As

Publication number Publication date
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