JP2002058161A - Power system monitoring control device and storage medium - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To improve the accuracy of power flow calculation and to enable interconnected training between power system monitoring and control devices. SOLUTION: In an electric power system monitoring and control device, an adjacent system load information creating means 194 for transmitting load information (TM) of an adjacent system to a network under its control to a network.
An adjacent system load information collecting unit 193 for receiving the load information of the adjacent system from the network, and a system setting unit 12 for setting a system state (SV, TM) from a screen.
And a power flow calculator 14 for calculating the power flow and voltage of each branch from the power system status, and realizes the power flow calculation by sharing the load status of the adjacent system via a network.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power system monitoring and control device and a storage medium that share information between systems by linking them via a network.

[0002]

2. Description of the Related Art FIG. 4 is a functional block diagram of a conventional apparatus relating to a power system monitoring and control apparatus for calculating a voltage flow.
First, the overall configuration will be described. In the figure, reference numeral 1 denotes a power system monitoring and control device, and a power system state setting screen 11;
The system includes a system setting unit 12, a calculation system state 13, a voltage flow calculation unit 14, and a voltage flow calculation result screen 15.

Next, the flow of each function will be described. The power system state set from the power system state setting screen 11 including the load state of the adjacent system is decoded by the system setting means 12 and set to the calculation system state 13. The voltage flow calculation means 14 reads the set system state from the system state 13 for calculation, performs voltage flow calculation, and stores the result in the system state 13 for calculation. The voltage flow calculation result screen 15 displays the calculation result.

FIG. 5 is a functional block diagram of a conventional apparatus relating to a power system monitoring and control apparatus for training. 5, the same reference numerals are given to the same functional parts as those in FIG. In FIG. 5, first, the overall configuration will be described. The power system monitoring and control device 1-1a has a power system state setting screen 11
System setting means 12, calculation system state 13, voltage power flow calculating means 14, system state display screen 16, scenario setting screen 17, scenario setting means 18, scenario 19, scenario generating means 191. Consists of

Next, the flow of each function will be described. As described above, the power system state set from the power system state setting screen 11 including the load state of the adjacent system is decoded by the system setting means 12 and set to the calculation system state 13. The scenario setting means 18 decodes the scenario set from the scenario setting screen 17 including the state of the adjacent system,
The contents are stored in the scenario 19.

The scenario generating means 191 updates the system state of the calculation system state 13 in accordance with the stored contents of the scenario 19, and the voltage flow calculation means 14 performs the voltage flow calculation each time, and the result is used as the calculation system state 13. Save to The system status display screen 16 displays the scenario and the result of the voltage power flow calculation.

[0007]

According to each of the above-mentioned conventional devices, a system (hereinafter, referred to as a self-controlled system) at a location where a power system monitoring and control device is installed and an adjacent system related to the self-controlled system are provided. The power system state and scenario were created, including the state. Further, in order to ascertain the state of the adjacent system, it was necessary to contact the place where the power system monitoring and control device that controls the adjacent system was installed by telephone or the like to check the state.

[0008] The present invention has been made in view of the above circumstances, and with the recent advancement in network technology, the power system monitoring and control devices connected to each other through the network to mutually transmit the state of the adjacent system to achieve a power flow. An object of the present invention is to provide a power system monitoring and control device and a storage medium capable of improving the accuracy of calculation and realizing training.

[0009]

According to a first aspect of the present invention, there is provided an electric power system monitoring and control apparatus, comprising:
M) for transmitting adjacent system load information to the network, adjacent system load information collecting means for receiving the load information of the adjacent system from the network, and setting the system state (SV, TM) from the screen. System setting means;
A voltage flow calculation unit configured to calculate a power flow and a voltage of each branch from a power system state, and realize a voltage power flow calculation by sharing a load state of the adjacent system via a network.

[0010] In claim 1, the load information of the adjacent system is requested from the adjacent system load information collecting means via the network to the power system monitoring and control device also having the adjacent system load information creating means. The adjacent system load information creating means of the power system monitoring and control device that receives the request decodes the requested load information, creates load information of the adjacent system based on the decoding result, Reply to the adjacent system load information collecting means of the device. The adjacent system load information collecting means stores the returned load information of the adjacent system in the calculation system state to solve the problem.

According to a second aspect of the present invention, in the power system monitoring and control device, the power system monitoring and control device generates a change in system state (SV, TM) based on a scenario created in advance including a state of an adjacent system. Means for generating a scenario,
Voltage power flow calculation means for calculating the power flow and voltage of each branch from the power system state, display information creation means for transmitting the power system state to the network, and display information collection for receiving the power system state from the network Means, and the state of the entire power system is shared via a network so that a plurality of power system monitoring and control devices can simultaneously realize training.

According to claim 2, the scenario generating means updates the system state of the system state for calculation in accordance with the contents of the scenario, and the voltage flow calculating means performs the voltage flow calculation each time. The result is stored in the system state for calculation, and the display information creation unit creates the state of the adjacent system as display information (SV, TM), and similarly via a network, the power system monitoring and control device including the display information collection unit , The display information (SV, TM) is transmitted. The display information collecting means solves the problem by decoding the received display information (SV, TM), creating and executing a scenario.

[0013] The storage medium according to claim 3 of the present invention includes:
A storage medium storing a program for implementing a voltage flow calculation by sharing the load state of an adjacent system via a network, and transmits load information (TM) of the adjacent system to the network to be controlled by the network. And a function of realizing an adjacent system load information collecting unit for receiving the load information of the adjacent system from the network, and a system state (SV,
A computer readable program storing a function for realizing a function for realizing a system setting means for setting TM) from a screen and a function for realizing a voltage power flow calculating means for calculating a power flow and a voltage of each branch from a power system state. Storage medium.

[0014] The storage medium according to claim 4 of the present invention includes:
A storage medium storing a program for simultaneously implementing training by a plurality of power system monitoring devices by sharing the state of the entire power system via a network, based on a scenario created in advance including adjacent system states. A function of realizing scenario generation means for generating a change in system state (SV, TM); a function of realizing voltage power flow calculation means for calculating a power flow and a voltage of each branch from the power system state; A computer readable storage medium storing a program for causing a function of realizing a display information creating unit for transmitting and a function of realizing a display information collecting unit for receiving the power system state from a network. is there.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) (corresponding to [Claim 1]) FIG. 1 is a configuration diagram showing an embodiment of a power system monitoring and control device according to a first embodiment. . In FIG. 1, power system monitoring and control devices 3a to 3n are connected to a plurality of networks. The power system monitoring and control devices 3a to 3n are constituted by the same means.

FIG. 2 shows the configuration of the power system monitoring and control device 1-2a. The power system monitoring and control device 1-2a includes a power system state setting screen 11, a system setting means 12, a calculation system state 13, a voltage power flow calculation means 14, a voltage power flow calculation result screen 192, and adjacent system load information. Collection means 19
3, the adjacent system load information creating means 194, the equipment database 195, the current system state 196, and the recorded data 1
97.

Next, the operation of the figure will be described. The system setting means 12 decodes the power system state of the own control system set from the power system state setting screen 11 and sets the same to the calculation system state 13. Further, the system setting unit 12 requests the adjacent system load information collecting unit 193 to collect the load information of the adjacent system.

The adjacent system load information collecting means 193 refers to the facility database 195 and defines the node load, voltage, and branch power flow TM required for the adjacent system defined in advance.
The name is extracted, and the required TM name and the required system type (current system or past actual value) are transmitted to the other power system monitoring and control device 1-2b as an adjacent system load information collection request.

The adjacent system load information creating means 194, having received the adjacent system load information collection request, checks the received TM name against the equipment database 195 to recognize the position of the TM, and based on the system information, the current system state 196. Alternatively, a necessary TM value is retrieved from the recorded data 197, and the system type, the TM name, and the TM value are returned as adjacent system load information.

The adjacent system load information collecting means 193, having received the returned adjacent system load information, compares the adjacent system load information collection request with the received adjacent system load information, and determines a matched TM value to obtain the calculation system state 13 Save to The voltage power flow calculation means 14 calculates the set system state into the system state 13 for calculation.
, The voltage flow calculation is performed, and the result is stored in the calculation system state 13. Voltage flow calculation result screen 1
92 displays the calculation result.

According to the present embodiment, the power system monitoring and control device transmits the state of the adjacent system to each other by these operations, and reflects the state of the adjacent system to the state of the calculation system quickly and accurately, thereby calculating the power flow. Improve the accuracy and solve the problem.

(Second Embodiment) (corresponding to [Claim 2]) FIG. 3 is a configuration diagram showing a second embodiment. 3, the same functional portions as those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted. In the present embodiment, the states of adjacent systems are transmitted to each other and reflected in scenarios of other power system monitoring and control devices.

In this embodiment, each of the power system monitoring and control devices 3a to 3n is connected to a plurality of networks.
As described above, the power system monitoring and control devices 3a to 3n are configured by the same means. The components newly added in FIG. 3 are a display information creating unit 31, a display information collecting unit 32, and a facility database 33.

Next, the operation will be described. From the power system status setting screen 11, set the power system status of
It is decoded by the system setting means 12 and the system state for calculation 13
Set to The scenario setting means 18 decodes the scenario set from the scenario setting screen 17 and saves the contents in the scenario 19.

The scenario generating means 191 updates the system state of the calculation system state 13 in accordance with the contents of the stored scenario 19, and the voltage flow calculation means 14 performs the voltage flow calculation each time, and the result is used as the calculation system state 13. Save to The system status display screen 16 displays the scenario and the result of the voltage power flow calculation.

The display information creating means 31 refers to the equipment database 33 every time the calculation system status 13 is updated, and determines the SV of the switch required for the predefined adjacent system.
The name and the node load, the voltage and the TM name of the branch flow are extracted, and the required SV name, its state and T
The M name and its TM value are transmitted to other power system monitoring and control devices as display information.

The display information collecting means 32 having received the display device checks the received SV name against the equipment database 33 to recognize the position of the SV, and registers the SV name and its state in the scenario 19. Further, the display information collecting means 32 checks the received TM name against the equipment database 33 to recognize the position of the TM, and registers the TM name and its TM value in the scenario 19.

According to the present embodiment, the states of adjacent systems are transmitted to each other in each power system monitoring and control device, and changes in the adjacent system are reflected in real time to the scenarios of other power system monitoring and control devices. Therefore, joint training is possible with the power system monitoring and control device.

The method described in each of the above descriptions is as follows.
As a program that can be executed by a computer, for example, the program can be written in a storage medium such as a magnetic disk, an optical disk, or a semiconductor memory and applied to various devices, or transmitted to a communication medium and applied to various devices. Also, a computer that implements these processes reads the program stored in the storage medium, and executes the above-described processing by controlling the operation of the program.

[0030]

As described above, according to the present invention, the state of the adjacent system is mutually transmitted between the power system monitoring and control devices connected by the network, so that the accuracy of the power flow calculation is improved only. Alternatively, it is possible to realize training that is interconnected between the power system monitoring and control devices.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a power system monitoring and control device according to the present invention.

FIG. 2 is a functional block diagram of the power system monitoring and control device according to the first embodiment.

FIG. 3 is a functional block diagram of a power system monitoring and control device according to a second embodiment.

FIG. 4 is a functional block diagram of a power system monitoring and control device for explaining a conventional technique.

FIG. 5 is a functional block diagram of a power system monitoring and control device for explaining another conventional technique.

[Explanation of symbols]

 1, 1-1a, 1-2a, 1-3a Power system monitoring and control device 3a to 3n Power system monitoring and control device 11 Power system state setting screen 12 System setting means 13 System state for calculation 14 Voltage flow calculation means 15 Voltage flow calculation Result screen 16 System status display screen 17 Scenario setting screen 18 Scenario setting means 19 Scenario 31 Display information creating means 32 Display information collecting means 33 Equipment database 191 Scenario generating means 192 Voltage power flow calculation result screen 193 Adjacent system load information collecting means 194 Adjacent system Load information creation means 195 Equipment database 196 Current system status 197 Recorded data

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masashi Hayasaka 1 Toshiba-cho, Fuchu-shi, Tokyo Tokyo, Japan Inside the Fuchu Office, Toshiba (72) Inventor Tetsuji Inoue 1 Toshiba-cho, Fuchu-shi, Tokyo, Fuchu Office, Toshiba Corporation ( 72) Inventor Hideo Kusano 1-1-1, Shibaura, Minato-ku, Tokyo F-term in the head office of Toshiba Corporation 5G066 AA01 AA09 AA20 AE03 AE07 AE09 5K048 BA21 CA11 DC04 EA21 EB08 FC01 GB08

Claims (4)

[Claims] 1. An electric power system monitoring and control device, an adjacent system load information generating means for transmitting load information (TM) of an adjacent system to a network under its control to a network, and transmitting the load information of the adjacent system from the network. An adjacent system load information collecting means for receiving the data, and a system status (SV, T
M) from the screen, and voltage flow calculation means for calculating the flow and voltage of each branch from the state of the power system, and sharing the load state of the adjacent system via a network. A power system monitoring and control device for realizing power flow calculation. 2. A power system monitoring and control device, a scenario generating means for generating a system state (SV, TM) change based on a scenario created in advance including a state of an adjacent system, a power flow of each branch based on the power system state, and Voltage power flow calculating means for calculating a voltage, display information creating means for transmitting the power system state to a network, and display information collecting means for receiving the power system state from a network; A power system monitoring and control device characterized in that a plurality of power system monitoring and control devices realize training simultaneously by sharing the state of the system via a network. 3. A storage medium storing a program for realizing a voltage flow calculation by sharing a load state of an adjacent system via a network, wherein a load information (TM) of the adjacent system with respect to a system under its control. A function of implementing an adjacent system load information creating unit for transmitting the network to the network, and a function of implementing an adjacent system load information collecting unit for receiving the load information of the adjacent system from the network,
A program for realizing a function for realizing a system setting means for setting a system state (SV, TM) from a screen and a function for realizing a voltage flow calculating means for calculating a power flow and a voltage of each branch from a power system state are provided. A stored computer-readable storage medium. 4. A storage medium storing a program for realizing training simultaneously by a plurality of power system monitoring devices by sharing the state of the entire power system via a network, the program being created in advance including the state of an adjacent system. A function of realizing a scenario generating means for generating a change in system state (SV, TM) based on the scenario, a function of realizing a voltage flow calculating means for calculating a power flow and a voltage of each branch from the power system state, and A computer-readable program storing a program for causing a function of realizing a display information creating unit for transmitting a system state to a network and a function of implementing a display information collecting unit for receiving the power system state from a network Possible storage medium.