JPH05300615A - Controller of receiving/distributing equipment - Google Patents

Abstract

PURPOSE:To simplify the constitution of a controller by a method wherein only the control items of main circuit function circuits of a switchgear which can be performed in the function circuits are controlled. CONSTITUTION:The alottments between the controls of respective main circuit function circuits and the controls of a plurality of the main circuit function circuits or of whole receiving/distributing equipment are clarified. The controls of a plurality of the main circuit function circuits or of the whole receiving/ distributing equipment are performed in a centralized manner by the one position in the row of a switchgear 1 or by a separated controller. By clarifying the control alottments of respective controllers 2 as described above, the control items whose processes from detection to treatment can not be performed in the main circuit function circuits are not included in the control items in the main circuit function circuits but are included in the control items of a controller 3 which performs the control items of a plurality of the main circuit function circuits or of the whole receiving/distributing equipment. With this constitution, the constitution of the controller can be simplified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to power receiving and distributing equipment including a switchgear and the like.

[0002]

2. Description of the Related Art A conventional example prior to the present invention will be described below with reference to the drawings. FIG. 6 is a sharing diagram of a control circuit for each main circuit function circuit in a conventional switchgear and a control device for performing a control item for a plurality of main circuit function circuits or a control item for the entire power receiving and distribution facility. In the figure, 1 is a switch gear, 2 is an individual control device for the main circuit functional circuit of the switch gear 1, and 3 is an overall control device for performing control items relating to a plurality of main circuit functional circuits or control items relating to the entire power receiving and distribution facility.

FIG. 7 is an image diagram of a conventional electric room equipment configuration. 5 is an extra high plate, 6 is an extra high voltage transformer (hereinafter referred to as extra high TR), 7 is a high voltage panel, and 8 is a power factor improving device. Condenser board (hereinafter referred to as SC board), 9 is a generator board, 30 is an extra-high monitoring board for operating / displaying the extra-high board 5, and 31 is a central supervisory control system shown in FIG. Remote station panel (hereinafter referred to as R
It is written as S board. ), 32 are RS board 31 and extra high TR6 / high pressure board 7
A cable for transmitting information between / SC panel 8 / generator panel 9 / special height monitoring panel 30, and 11 is a transmission bus to the central monitoring control device in the central monitoring control system.

FIG. 8 is a conventional power receiving and distribution facility information link diagram, and 12 is a high plate 5, a high TR 6, a high voltage plate 7, a SC plate 8,
An electric room in which the special height monitoring board 30 and the RS board 31 are arranged, 13 is a generator room in which the generator and the generator board 9 are arranged, 14 is a local substation (hereinafter referred to as local S / S), and 15 is It is a central supervisory control room where a central supervisory control device is installed.

FIG. 9 is a perspective view of a conventional switchgear, and 33a to 33e are devices arranged in front of a switchgear door, and 33a is a meter for current / power, etc.
b is a failure indicator that indicates a failure, 33c is a status indicator that indicates whether the circuit breaker is open or closed, 33d is a control switch that opens and closes the circuit breaker, and 33e is protection that determines an overcurrent / ground fault in the main circuit The relays 34a and 34b are devices arranged outside the front of the door, and each 34a is a control item for items related to main circuit functional circuits of a plurality of switch gears or items related to the entire power receiving and distribution facility. 34b is a terminal block that serves as a terminal for wiring from the current transformer / breaker, and 35 is a terminal block that is located outside the front of the door and serves as a terminal for wiring between panels. ,twenty one
Is the circuit breaker of the main circuit equipment. 36 is a current transformer.

FIG. 10 is a developed connection diagram of a conventional / standby power receiving line automatic switching control circuit as an example of control items related to the entire conventional power receiving / distributing equipment. (For example, power receiving function circuit)
It was put in the control of and placed, or divided and placed.

[0007]

Since the conventional control device for power receiving and distributing equipment is configured as described above, there are the following five problems.

[0008] The division of control of the main circuit functional circuit is not clear, and it is easy to take in control items that cannot be processed from detection to processing within the main circuit functional circuit and make them complicated.

Since the division of control of the main circuit functional circuit is not clear, a control item for a plurality of main circuit functional circuits or a control item for the entire power receiving / distributing equipment is put in the controller of the main circuit functional circuit which is most closely related. It is often difficult to standardize.

Control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution equipment require a large amount of input information from each main circuit functional circuit and a large amount of output information to each main circuit functional circuit. Between the switchgear,
Also, there are many wirings between the main circuit functional circuits.

The control items relating to a plurality of main circuit functional circuits or the control items relating to the entire power receiving / distributing equipment have a large amount of input information from each main circuit functional circuit and a large amount of output information to each main circuit functional circuit. In a control circuit with a contact such as an electromagnetic relay, the number of electromagnetic relays and the number of wirings are large, and a large space is required.

Since the central supervisory control system is constructed, an RS panel is required for each of the electric room and the local S / S, resulting in high cost.

The present invention has been made to solve the above problems, and an object thereof is to achieve the following five items.

Control items that cannot be detected and processed in the main circuit functional circuit are not taken into individual control devices, and control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution facility are not included. Take it into the control device.

Control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution equipment are assigned to a dedicated control device, not to a control device of a main circuit functional circuit which is closely related.

It is possible to reduce the number of wires between the switch gears and the main circuit functional circuits related to the control items related to the plurality of main circuit functional circuits or the control items related to the entire power receiving and distribution equipment.

A space is saved for a control circuit that performs control items related to a plurality of main circuit function circuits or control items related to the entire power receiving and distribution equipment.

To configure the central supervisory control system,
The electrical room and the RS board for each local S / S are omitted.

[0019]

The control of the power receiving / distributing equipment according to the present invention is divided into control for each main circuit functional circuit, control for a plurality of main circuit functional circuits, or sharing of control for the entire power receiving / distributing equipment. Clarification is made so that control relating to a plurality of main circuit functional circuits or control relating to the entire power receiving / distributing equipment is centralized at one location in the switchgear arrangement or at a separate control panel.

Also, a control circuit for each main circuit functional circuit,
Multiplex transmission was used for the information transmission between the control circuits that are carried out intensively, and a PC with a multiplex transmission function was used for the control circuit which was carried out intensively.

[0021]

In the control of the power receiving / distributing equipment according to the present invention, by clarifying the control allocation of each control device, a plurality of control items which cannot be detected and processed in the main circuit functional circuit are not taken in, and a plurality of control items are not incorporated. It can be incorporated into a control device that performs a control item for the main circuit functional circuit or a control item for the entire power receiving and distribution facility.

In addition, control items relating to a plurality of main circuit functional circuits or control items relating to the entire power receiving / distributing equipment are intensively implemented at one location in the switchgear arrangement or at a separate control panel. Thus, it is possible to prevent a plurality of control items related to the main circuit function circuit or control items related to the entire power receiving and distribution facility from being included in the control of the main circuit function circuit which is closely related.

Further, the multiplex transmission is used for the information transmission between the individual control device for each main circuit function control device and the centralized control device, and the centralized control device is provided with the multiplex transmission function. Programmable controller (hereinafter,
By using PC), it is possible to reduce the number of wires between the switch gears related to the control items to be intensively executed and between the main circuit function circuits, and to perform the control items to be intensively executed. The equipment space can be saved, and the electric room and local S /
The RS board for each S can be omitted.

[0024]

EXAMPLES Example 1. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sharing diagram of a control circuit for each main circuit function circuit in a switchgear according to the present invention and a control device for performing a control item for a plurality of main circuit function circuits or a control item for the entire power receiving and distribution facility. , 1 is a switchgear, 2 is an individual control device for the main circuit functional circuit, 3
Is a control device that performs control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution facility.

FIG. 2 is an image diagram of an electric room equipment configuration to which the present invention is applied, and 4 is a monitor accommodating an overall control device 3 for performing control items relating to a plurality of main circuit functional circuits or control items relating to the entire power receiving and distribution facility. Control board, 5 is an extra high board,
6 is extra high TR, 7 high-voltage board, 8 SC board, 9 generator board,
10 is a transmission bus for transmitting input / output information from the overall control device 3 that performs control items related to a plurality of main circuit function circuits or control items related to the entire power receiving and distribution equipment to the individual control device 2 of the main circuit function circuits, and 11 is a central supervisory control It is the transmission bus to the central supervisory controller in the system. The overall control device 3 that performs control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution facility has a P with a multiplex transmission function.
I am using C.

FIG. 3 is a power distribution equipment information link diagram to which the present invention is applied, and 12 is an electric room in which the monitoring control board 4, the special high board 5, the special high voltage transformer 6, the high voltage board 7 and the SC board 8 are arranged. , 13 is a generator room in which the generator and the generator panel 9 are arranged, and 14 is a local S
/ S, 15 is a central supervisory control room in which a central supervisory control device is arranged.

FIG. 4 is a perspective view of a switchgear to which the present invention is applied. 16 is a wiring module for wiring / branching between boards, 17 is a control / protection / measurement function of a main circuit functional circuit, and a plurality of main circuits. A control / protection / measurement module 18 having a transmission slave station function for transmitting information to and from the overall control device 3 that performs control items related to functional circuits or control items related to entire power receiving and distribution equipment. An operation / display module to be performed, 19 is a sensing unit of the current sensor, 20 is a processing unit of the current sensor, and 21 is a circuit breaker of the main circuit device.

FIG. 5 is an image diagram of each control module including a wiring system in the switchgear main circuit functional circuit to which the present invention is applied. The transmission bus 10 is connected to the control / protection / measurement module 17 via the wiring module 16. To be done.

Example 2. Example 1. Then, the multiplex transmission is used as a means for transmitting the input / output information from the overall control device 3 that performs the control items related to the plurality of main circuit function circuits or the control items related to the entire power receiving and distribution equipment to the individual control 2 of the main circuit function circuits. , If you don't use multiplex here,
Other than the number of wiring steps or the wiring space, the above-mentioned first embodiment is used. Has the same effect as.

Example 3. Example 1. Then, a PC was used for the overall control device 3 that performs control items related to a plurality of main circuit functional circuits or control items related to the entire power receiving and distribution facility.
When the PC is not used, the cost of each control device, the number of assembling steps, and the mounting space other than those in the above-described Embodiment 1. Has the same effect as.

Example 4. Example 1. Then, a PC with a multiplex transmission function was used for the overall control device 3 that performs a control item for a plurality of main circuit functional circuits or a control item for the entire power receiving and distribution equipment. However, if a PC with a multiplex transmission function is not used here, In the above-mentioned Example 1 except the wiring man-hours or the wiring space. Has the same effect as.

[0032]

As described above, according to the present invention, since the division of the control device is clarified, the control items for which detection to processing cannot be executed in the main circuit functional circuit are not taken into the individual control device, Since the control items relating to a plurality of main circuit functional circuits or the control items relating to the entire power receiving and distribution facility are incorporated into the overall control device, the control device configuration can be simplified.

In addition, control items relating to a plurality of main circuit functional circuits or control items relating to the entire power receiving / distributing equipment are centrally provided in one place in the switchgear arrangement or in an overall control device provided in a separate control panel. By doing so, control items related to multiple main circuit functional circuits, or
Since the control items related to the entire power receiving and distribution facility are not included in the individual control device of the main circuit functional circuit which is closely related, the configuration of the individual control device can be simplified.

Further, since the multiplex transmission is used for the information transmission between the individual control device for each main circuit function circuit and the central control device, the switchgear related to the control item to be centrally executed. There is an effect that it is possible to reduce the number of wires between the main circuit and the functional circuits.

Further, since the PC is used as the overall control device, there is an effect that it is possible to realize a compact overall control device for performing control items to be intensively implemented.

In addition, a P with a multiplex transmission function is provided in the overall control device.
By using C, there is an effect that the electric room and the RS panel for each local S / S for constructing the central supervisory control system can be omitted.

[Brief description of drawings]

FIG. 1 is a sharing diagram of a control device that controls control items or power receiving and distribution equipment relating to a plurality of main circuit functional circuits of the present invention.

FIG. 2 is a configuration image diagram of a power receiving and distributing facility device to which the present invention is applied.

FIG. 3 is an information link diagram of power reception and distribution equipment to which the present invention is applied.

FIG. 4 is a perspective view of a switchgear to which the present invention is applied.

FIG. 5 is a perspective view of each control module including a wiring system in a switchgear main circuit functional circuit to which the present invention is applied.

FIG. 6 is a sharing diagram of a control device that controls a conventional power receiving and distributing facility.

FIG. 7 is a configuration image diagram of a conventional power distribution equipment.

FIG. 8 is an information link diagram of a conventional power receiving / distributing facility.

FIG. 9 is a perspective view of a conventional switchgear.

FIG. 10 is a developed connection diagram showing an example of control items (normal / standby power receiving line automatic switching control circuit) related to the entire conventional power receiving and distributing facility.

[Explanation of symbols]

 1 Switchgear 2 Individual control device 3 Overall control device 4 Monitoring control panel housing the overall control device 10 Transmission bus

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takafumi Onishi Takafumi Onishi 8 Horai-cho, Marugame City Marugame Plant, Mitsubishi Electric Co., Ltd. (72) Tetsuji Kobayashi 8 Horai-cho Marugame City, Marugame Plant, Mitsubishi Electric Corporation

Claims (5)

[Claims] 1. A control device for power receiving and distributing equipment, wherein in controlling power receiving and distributing equipment, control of a main circuit functional circuit of a switchgear is limited to items that can be carried out from detection to processing in the functional circuit. .. 2. In control of power distribution equipment, control of a main circuit functional circuit of a switchgear is limited to items that can be carried out from detection to processing within the functional circuit, and between main circuit functional circuits of a plurality of switchgears. The control device for power receiving and distributing equipment is characterized in that the control items relating to the power receiving and distributing equipment or the control items relating to the entire power receiving and distribution equipment are intensively implemented at one place in the switchgear arrangement or at a separate control panel. 3. The control device for power distribution equipment according to claim 2, wherein the control circuit of the main circuit function circuit of the switchgear and the main circuit function circuit of a plurality of switchgears that are centrally implemented are connected. A control device for power distribution equipment, wherein multiplex transmission is used as information transmission means of a control circuit for an item or an item relating to the entire power distribution equipment. 4. The control device for power distribution equipment according to claim 2 or claim 3, wherein the items related to the main circuit functional circuits of a plurality of switch gears to be centrally implemented, or the entire power distribution equipment. A control device for power receiving and distribution equipment, characterized in that a programmable controller is used to control the items related to. 5. The control device for power distribution equipment according to claim 4, wherein items related to main circuit functional circuits of a plurality of switch gears to be collectively implemented or items related to entire power distribution equipment are provided. A control device for power receiving and distributing equipment, which is controlled by a programmable controller and is used as a terminal of a central supervisory control system.