CN204536420U - A kind of nuclear power station electric energy monitoring system - Google Patents
A kind of nuclear power station electric energy monitoring system Download PDFInfo
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- CN204536420U CN204536420U CN201520010299.9U CN201520010299U CN204536420U CN 204536420 U CN204536420 U CN 204536420U CN 201520010299 U CN201520010299 U CN 201520010299U CN 204536420 U CN204536420 U CN 204536420U
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Abstract
The utility model relates to a kind of nuclear power station electric energy monitoring system, it is characterized in that, comprising: watt-hour meter, on the electric flux output port being arranged on nuclear power station and electric flux input port; Electric energy acquisition terminal, be electrically connected with described watt-hour meter, comprise the first data storage cell of store electricity energy datum, gather nuclear power station export electric energy data at least one export acquisition terminal, Gather and input to the electric energy data of nuclear power station at least one input acquisition terminal, described output acquisition terminal and described input acquisition terminal are electrically connected with described data storage cell respectively; Acquisition workstation and testing station.The electric energy data of Duo Dui factory site nuclear power station collects and is synchronized to testing station by the utility model, statistics, the calculating of full factory electric energy information promptly and accurately can be completed at testing station, greatly save human and material resources, ensure the timely recovery of the nuclear power station electricity charge, avoid causing damage.
Description
Technical field
The utility model relates to electric energy metrical field, in particular, relates to a kind of nuclear power station electric energy monitoring system.
Background technology
At Duo Dui factory site nuclear power station, because scene is larger, electrical energy metering point is distributed more widely, in the following Fig. 1 of each plant stand electric energy metering system structure (a), (b), shown in (c), 1 (a) is out-put supply transformer station electric energy metering system, 1 (b) is the first standby power supply transformer station electric energy metering system, 1 (c) the second standby power supply transformer station electric energy metering system, in out-put supply transformer station, an electrical energy data acquisition terminal is configured with respectively in first standby power supply transformer station and the second standby power supply transformer station, each terminal independent operating uploading data are to power-management centre.Common electrical energy metering point can realize the in-site collecting of electric energy data by watt-hour meter, and by electrical energy data acquisition terminal by data upload to power-management centre, but, still the electrical energy metering point needs having part to be connected with out-put supply transformer station make a copy of electric energy data by manually reading, input electric power dispatching center carries out electric energy data statistics and accounting again, this kind of electric energy metering system cannot meet day-to-day operation requirement, has the following disadvantages:
1, existing system cannot complete statistics, the calculating of full factory electric energy information simultaneously; 2, promptly and accurately cannot check electricity with electrical network, complete charge calculation, cause generating plant economic loss.3, on-the-spot electricity is made a copy of and is added up, evaluation work to need more human and material resources to carry out.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of nuclear power station electric energy monitoring system, solve in prior art need on-the-spot electricity to make a copy of, the electric energy information of full factory cannot the problem such as to waste time and energy in management by synchronization, the statistics of electric energy data and calculating.
The technical scheme that the utility model solves the problem is: provide a kind of nuclear power station electric energy monitoring system, comprising:
Watt-hour meter, on the electric flux output port being arranged on nuclear power station and electric flux input port;
Electric energy acquisition terminal, be electrically connected with described watt-hour meter, comprise the first data storage cell of store electricity energy datum, gather nuclear power station export electric energy data at least one export acquisition terminal, Gather and input to the electric energy data of nuclear power station at least one input acquisition terminal, described output acquisition terminal and described input acquisition terminal are electrically connected with described data storage cell respectively;
Acquisition workstation, be electrically connected with described electric energy acquisition terminal, comprise the processing unit of electric energy data in the first data storage cell described in finishing analysis, store described processing unit processes result the second data storage cell, show the first display unit of described processing unit processes result;
Testing station, comprises and calculates electric flux statistical report form and the statistic unit described electric flux statistical report form exported, judge described electric energy data that electric energy acquisition terminal the gathers prewarning unit whether in threshold range.
In the nuclear power station electric energy monitoring system that the utility model provides, described nuclear power station electric energy monitoring system also comprises forward spacer assembly, and described forward spacer assembly is arranged between described acquisition workstation and described testing station.
In the nuclear power station electric energy monitoring system that the utility model provides, described acquisition workstation also includes the first data synchronisation unit, described testing station also includes the second data synchronisation unit, and described forward spacer assembly is arranged between described first data synchronisation unit and described second data synchronisation unit.
In the nuclear power station electric energy monitoring system that the utility model provides, described electric energy acquisition terminal is electrically connected with described acquisition workstation by the network switch.
In the nuclear power station electric energy monitoring system that the utility model provides, described testing station also comprises the second display unit showing described electric flux statistical report form, the print unit printing described electric flux statistical report form.
In the nuclear power station electric energy monitoring system that the utility model provides, described watt-hour meter is have multi-function watt-hour meter that is meritorious, reactive energy double measure function.
In the nuclear power station electric energy monitoring system that the utility model provides, watt-hour meter comprises the active watt-hour meter of metering active energy, the wattless component watt-hour meter of metering reactive energy.
Implement the utility model, there is following beneficial effect: nuclear power station electric energy monitoring system of the present utility model, the electric energy data of Duo Dui factory site nuclear power station is collected and is synchronized to testing station, statistics, the calculating of full factory electric energy information promptly and accurately can be completed at testing station, greatly save human and material resources, ensure the timely recovery of the nuclear power station electricity charge, avoid causing damage.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 (a) shows the structured flowchart of existing out-put supply transformer station electric energy metering system;
Fig. 1 (b) shows the structured flowchart of existing first standby power supply transformer station electric energy metering system;
Fig. 1 (c) shows existing second standby power supply transformer station electric energy metering system structured flowchart;
Fig. 2 shows the logic diagram of the preferred embodiment of nuclear power station electric energy monitoring system of the present utility model;
Fig. 3 shows the logic diagram of another preferred embodiment of nuclear power station electric energy monitoring system of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Existing nuclear power station electric energy metering system electrical energy metering point is distributed more widely, the data of the electrical energy metering point of the collection some that each electrical energy data acquisition terminal is automatic or manual, and be uploaded to power-management centre, cannot realize immediately checking online accurately, the statistics of full factory electric energy information, calculating need a large amount of manually just completing.Main innovate point of the present utility model is: use the clearly demarcated nuclear power station electric energy monitoring system of level, the bottom is watt-hour meter, and middle layer is electric energy acquisition terminal, and most top layer is workstation; Watt-hour meter is distributed in each electric flux output port and the electric flux input port of nuclear power station, and the electricity of input and output is converted into digital signal; Electric energy acquisition terminal is connected with the watt-hour meter within the scope of its compass of competency, gathers electric energy data; Electric energy data carries out adding up, calculating, generating electric energy statistical report form by workstation, carries out early warning for abnormal data.
Fig. 2 shows the logic diagram of the preferred embodiment of nuclear power station electric energy monitoring system of the present utility model, and as shown in Figure 2, the nuclear power station electric energy monitoring system of the present embodiment comprises: watt-hour meter, electric energy acquisition terminal, workstation.Wherein, workstation comprises acquisition workstation, testing station.Watt-hour meter, electric energy acquisition terminal, workstation are three layers, the digital signal of collecting the input of full power station, exporting is responsible for by the watt-hour meter of the bottom, the electric energy acquisition terminal in middle layer gathers digital signal and is translated into electric energy data and stores, and the workstation of most top layer calls that electric energy data carries out adding up, calculates, early warning.The clearly demarcated system of level can the electric energy data that realize of real-time online to be collected and synchronous, saves human and material resources.
Watt-hour meter, on the electric flux output port being arranged on nuclear power station and electric flux input port.Nuclear power station itself belongs to the power house that can export electric energy, but in order to safeguard the stability of the conventional plants such as lighting installation in nuclear power station, needs to be communicated with standby power supply.In order to the digital signal of all electric flux inputs in the full power station of complete collection, output, watt-hour meter needs setting to be arranged on all electric flux output ports of nuclear power station and electric flux input port, such as electric flux input port includes Bulk Supply Substation, stand with transformer station, outer internal transmission line of electricity, nuclear power station inside by electric unit etc., electric flux output port comprises Bulk Supply Substation, interior external transmission line of electricity, grid interface etc.
Electric energy acquisition terminal, be electrically connected with watt-hour meter, comprise the first data storage cell of store electricity energy datum, gather nuclear power station export electric energy data at least one export acquisition terminal, Gather and input to the electric energy data of nuclear power station at least one input acquisition terminal, export acquisition terminal and input acquisition terminal be electrically connected with data storage cell respectively.The electric energy data that first data storage cell stores comprises the electric energy data that nuclear power station exports, the electric energy data being input to nuclear power station.Export the electric energy data that acquisition terminal is responsible for gathering nuclear power station output, its quantity at least one, such as, when nuclear power station is connected with many different high voltage transmission lines to export electricity, all needs to arrange one with the connectivity port of every bar high voltage transmission line and export acquisition terminal.Certainly, many different high voltage transmission lines also can be connected to same output acquisition terminal.Similar, when nuclear power station is only connected with a high voltage transmission line to export electricity, one or more also can be set and export acquisition terminal, such as, the watt-hour meter that Bulk Supply Substation, interior external transmission line of electricity are arranged exports acquisition terminal be connected with one, and grid interface exports acquisition terminal with another and is connected; Or the watt-hour meter that Bulk Supply Substation, interior external transmission line of electricity, grid interface are arranged all is connected with same output acquisition terminal.Input acquisition terminal in figure and comprise the first standby power supply acquisition terminal, the second standby power supply acquisition terminal, namely, input acquisition terminal is responsible for the electric energy data of Gather and input to nuclear power station, its quantity is also at least one, such as, when nuclear power station is connected with many different high voltage transmission lines to input electricity, the connectivity port inputting high voltage transmission line with every bar all needs to arrange one and inputs acquisition terminal.Certainly, many different input high voltage transmission lines also can be connected to same input acquisition terminal.Similar, when nuclear power station only input with one high voltage transmission line be connected to input electricity time, one or more also can be set and input acquisition terminal, such as, all electric flux input ports input acquisition terminal be connected with one, also can be connected from different multiple input acquisition terminals respectively.
Acquisition workstation, be electrically connected with electric energy acquisition terminal, comprise the processing unit of electric energy data in finishing analysis first data storage cell, the second data storage cell of storage processing unit result, the first display unit of display processing unit result.Acquisition workstation is connected with electric energy acquisition terminal communication by wireless or wired communication modes, calls electric energy data in the first data storage cell, by supporting manual, collection, breakpoint transmission automatically mode, can guarantee data integrity.Processing unit finishing analysis electric energy data, generates the electric flux form of various style, such as, can be realized by Software of Data Statistics, and this software can be existing EXCEL, MATLAB, Origin etc., also can for realizing other software of similar functions.The result of processing unit processes is stored in the second data storage cell, certainly, and all electric energy datas that the second data storage cell can also call from the first data storage cell.First display unit can be the display screen only with Presentation Function, also can be the touch-screen possessing touch control operation function, is carried out the result of display processing unit by figure, table, animation etc.
Testing station, comprises and calculates electric flux statistical report form and the statistic unit exported by electric flux statistical report form, judge electric energy data that electric energy acquisition terminal the gathers prewarning unit whether in threshold range.The electric flux statistical report form that statistic unit calculates, the electric energy data digital signal that each watt-hour meter reports be transformed is as minimum of computation unit, carry out adding, subtract, multiplication and division and presetting funtcional relationship computing, and then draw the electric flux statistical report form such as input and output electricity, the electricity charge amount of money of each electric energy acquisition terminal, whole nuclear power station.Prewarning unit sets threshold value can to each watt-hour meter, each electric energy acquisition terminal, threshold value can be various ways, such as add up according to the time, be divided into per day, Zhou Pingjun, monthly average etc., this creates the terminal the threshold ranges such as per day threshold value, all average thresholds, monthly average threshold value, when the data that each watt-hour meter, each electric energy acquisition terminal report exceed threshold range, send early warning signal and realize early warning.Early warning can by display, give the alarm the various prompting modes such as lamp, such as glimmer over the display or mark the icon of the abnormal watt-hour meter of red representative, electric energy acquisition terminal.
Fig. 3 shows the logic diagram of another preferred embodiment of nuclear power station electric energy monitoring system of the present utility model, as shown in Figure 3, the nuclear power station electric energy monitoring system of the present embodiment also comprises forward spacer assembly, forward spacer assembly is arranged between acquisition workstation and testing station, two network element that in figure, empty wire frame representation forward spacer assembly isolates.For ensureing the network security of Production Regional, forward spacer assembly is installed between acquisition workstation and monitoring station, to realize in acquisition workstation electric energy data to the one-way data transfer at monitoring station, can identify that illegal request also stops the data access and operation of exceeding one's powers, thus effectively resist the malicious sabotage to acquisition workstation and attack activity that virus, hacker etc. initiated by various forms, the safety of protection real-time closed-loop supervisory system and dispatching data network; It adopts non-network transmission mode to realize information and the resource sharing of these two workstations simultaneously, ensures the safe and stable operation of electric system, the overall security of further nuclear power station electric energy monitoring system and reliability.
In another preferred embodiment of the present utility model, acquisition workstation also includes the first data synchronisation unit, and testing station also includes the second data synchronisation unit, and forward spacer assembly is arranged between the first data synchronisation unit and the second data synchronisation unit.By installing the first data synchronisation unit in acquisition workstation, install the second data synchronisation unit in testing station, show the real-time synchronization of electric energy data in forward spacer assembly, by the display at testing station, can the form that generates of the real time inspection electric energy data the same with field electric energy acquisition workstation and acquisition workstation, ensure that and promptly and accurately obtain field electric energy information and form in testing station, save a large amount of human and material resources, substantially increase work efficiency.Preferably, testing station also comprises the second display unit of display electric flux statistical report form, prints the print unit of electric flux statistical report form, directly show electric flux statistical report form by the second display unit, directly print electric flux statistical report form by print unit.
In another preferred embodiment of the present utility model, electric energy acquisition terminal is electrically connected with acquisition workstation by the network switch.Because acquisition workstation is connected with electric energy acquisition terminal communication by wireless or wired communication modes, call electric energy data in the first data storage cell, by the interconnection effect between Ethernet or Fast Ethernet, the network switch realizes comprising the function of physics addressing, network topology structure, error-checking, frame sequence and flow control as the bridge connected.Certainly, the network switch can also comprise supports the high speed connectivity port of Fast Ethernet or FDDI etc., provides additional bandwidth for other switch in interconnection network or for the server key that bandwidth usage is large.
In another preferred embodiment of the present utility model, watt-hour meter is have multi-function watt-hour meter that is meritorious, reactive energy double measure function.Can in transfer process at electric energy, the electric energy consumed is active energy.And the ammeter recording this electric energy is power electric meter.Some electrical installation first must set up a kind of environment of conversion when making energy conversion, as: motor, transformer etc. first will set up a magnetic field could make energy conversion, and also some electrical installation first will set up an electric field could make energy conversion.And the electric energy set up needed for magnetic field and electric field is all reactive energy, the ammeter recording this electric energy is Reactive power meter.In order to accurate recording active energy and reactive energy, use multi-function watt-hour meter.Certainly, watt-hour meter also can comprise the active watt-hour meter of metering active energy, the wattless component watt-hour meter of metering reactive energy, by both electric flux records respectively, ensures the complete and accurate of data.
Claims (7)
1. a nuclear power station electric energy monitoring system, is characterized in that, comprising:
Watt-hour meter, on the electric flux output port being arranged on nuclear power station and electric flux input port;
Electric energy acquisition terminal, be electrically connected with described watt-hour meter, comprise the first data storage cell of store electricity energy datum, gather nuclear power station export electric energy data at least one export acquisition terminal, Gather and input to the electric energy data of nuclear power station at least one input acquisition terminal, described output acquisition terminal and described input acquisition terminal are electrically connected with described data storage cell respectively;
Acquisition workstation, be electrically connected with described electric energy acquisition terminal, comprise the processing unit of electric energy data in the first data storage cell described in finishing analysis, store described processing unit processes result the second data storage cell, show the first display unit of described processing unit processes result;
Testing station, comprises and calculates electric flux statistical report form and the statistic unit described electric flux statistical report form exported, judge described electric energy data that electric energy acquisition terminal the gathers prewarning unit whether in threshold range.
2. nuclear power station electric energy monitoring system according to claim 1, is characterized in that, described nuclear power station electric energy monitoring system also comprises forward spacer assembly, and described forward spacer assembly is arranged between described acquisition workstation and described testing station.
3. nuclear power station electric energy monitoring system according to claim 2, it is characterized in that, described acquisition workstation also includes the first data synchronisation unit, described testing station also includes the second data synchronisation unit, and described forward spacer assembly is arranged between described first data synchronisation unit and described second data synchronisation unit.
4. nuclear power station electric energy monitoring system according to claim 1, is characterized in that, described electric energy acquisition terminal is electrically connected with described acquisition workstation by the network switch.
5. nuclear power station electric energy monitoring system according to claim 1, is characterized in that, described testing station also comprises the second display unit showing described electric flux statistical report form, the print unit printing described electric flux statistical report form.
6. nuclear power station electric energy monitoring system according to claim 1, is characterized in that, described watt-hour meter is have multi-function watt-hour meter that is meritorious, reactive energy double measure function.
7. nuclear power station electric energy monitoring system according to claim 1, is characterized in that, watt-hour meter comprises the active watt-hour meter of metering active energy, the wattless component watt-hour meter of metering reactive energy.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569578B (en) * | 2015-01-04 | 2018-01-23 | 阳江核电有限公司 | A kind of nuclear power station electric energy monitoring system |
| CN110489399A (en) * | 2019-08-23 | 2019-11-22 | 山东钢铁股份有限公司 | Power scheduling electricity automated management system and method |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569578B (en) * | 2015-01-04 | 2018-01-23 | 阳江核电有限公司 | A kind of nuclear power station electric energy monitoring system |
| CN110489399A (en) * | 2019-08-23 | 2019-11-22 | 山东钢铁股份有限公司 | Power scheduling electricity automated management system and method |
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