CN106066628A - Power station intelligent management system - Google Patents

Power station intelligent management system Download PDF

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Publication number
CN106066628A
CN106066628A CN201610607617.9A CN201610607617A CN106066628A CN 106066628 A CN106066628 A CN 106066628A CN 201610607617 A CN201610607617 A CN 201610607617A CN 106066628 A CN106066628 A CN 106066628A
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CN
China
Prior art keywords
screen
controller
control
power station
input
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CN201610607617.9A
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Chinese (zh)
Inventor
张杨
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Chongqing Hao Yun Chi Electric Co Ltd
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Chongqing Hao Yun Chi Electric Co Ltd
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Application filed by Chongqing Hao Yun Chi Electric Co Ltd filed Critical Chongqing Hao Yun Chi Electric Co Ltd
Priority to CN201610607617.9A priority Critical patent/CN106066628A/en
Publication of CN106066628A publication Critical patent/CN106066628A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25268PLD programmable logic device

Abstract

The invention discloses a kind of power station intelligent management system; it is included headquarter surveillance center and is connected by VPN communication with this headquarter surveillance center and office is in the Zhong Kong center, power station of various places branch; the communication successively of Zhong Kong center, this power station connects station level, wall; wherein; use ethernet communication to be connected between station level with wall, and each protection measure and control unit of wall includes public LCU screen, LCU for generator set screen, route protection screen, microcomputer excitation screen, hydrodynamic governor, station-service screen, thermometric screen, sends out change sealer and alternating current-direct current screen.This invention will be distributed over the power station work on the spot equipment running status of various places and shows staff intuitively, to reduce equipment operation element amount to greatest extent, reduce human error and reduce staffing, centralized and unified management, achieve automatization's operation, reduce production and operation cost.

Description

Power station intelligent management system
Technical field
The present invention relates to a kind of power station intelligent management system, belong to Control Technique for Hydroelectric Power Plant field.
Background technology
Electric power is modernization commercial production and indispensable power capacity of living, and hydroelectric generation is of power industry Class.The situation in each power station of company, equipment, process data collection video monitoring information are limited by region and communication service is popularized The impact that degree is different, it is impossible to all Real-time Feedback is to corporate HQ, mostly relies on and periodically submits, to general headquarters, the paper manually filled in Matter form or electronic report forms mode are managed, and inefficiency and accuracy are low, and lose time and resource, for company to respectively The unified management in individual power station causes inconvenience.Especially scene occurs in that equipment fault or production link goes wrong Time, corporate HQ can not find in time, there is serious information delay, accident treatment cycle length etc. and has a strong impact on asking of operation Topic.
For realizing the production and operation management unified to each power station that company is administrative and realizing unmanned, at each Corporate HQ can realize grasping the production and operation situation in all power stations, improves company information management level and externally shows Window-shaped as, reduce production and operation cost, be badly in need of set up power station remote control administrative system.
Summary of the invention
For above-mentioned weak point of the prior art, it is desirable to provide a kind of power station intelligent management system, its Design science is reasonable, and the power station work on the spot equipment running status that will be distributed over various places shows staff intuitively, with Reduce equipment operation element amount to greatest extent, reduce human error and reduce staffing, centralized and unified management, it is achieved that from Dynamicization is runed, and reduces production and operation cost.
To achieve these goals, technical scheme: a kind of power station intelligent management system, it includes general headquarters Surveillance center and be connected by VPN communication with this headquarter surveillance center and office is in the Zhong Kong center, power station of various places branch, this electricity The communication successively of Zhan Zhongkong center connects station level, wall, and wherein, each protection measure and control unit of described wall includes public affairs With LCU screen, LCU for generator set screen, route protection screen, microcomputer excitation screen, hydrodynamic governor, station-service screen, thermometric screen, send out change sealer and Alternating current-direct current screen, this public LCU screen, LCU for generator set screen, route protection screen, microcomputer excitation screen, hydrodynamic governor, station-service screen, thermometric Screen, a change sealer and alternating current-direct current screen are connected with using ethernet communication between described station level respectively.
Further, in described headquarter surveillance center, connection has network service terminal.
Further, described power station connects in control in the heart and has several microsystem, these several microsystems and described electricity Control in standing and connect centrally through wired or wireless communication.
Further, described LCU for generator set screen includes what the unit main control circuit with various places branch unit was connected PLC and the data acquisition unit being connected with this PLC respectively, touch display screen, bin, I/O module, communication module, described Touch display screen, bin, I/O module, communication module to be bi-directionally connected with described PLC respectively;Described data acquisition unit defeated Go out end to be connected with the input port of described PLC, and this data acquisition unit is to every operational factor of described unit and running Ambient condition carries out Real-time Collection;One output port of described PLC is connected with the input of described unit main control circuit, its In,
Include hands automatic paralleling in described touch display screen to control touch button, manual operation control touch button, have Merit, Reactive-power control touch button, fault diagnosis split-screen display, instrument split-screen display and running simultaneous display split screen;In described PLC Include the data processing unit being connected with described data acquisition unit outfan and be bi-directionally connected with this data processing unit Hands automatic paralleling control module, manual operation control module, meritorious, Reactive-power control module, fault diagnosis processing module, instrument Data processing module, running synchronous processing module, described hands automatic paralleling controls touch button, manual operation controls touch and presses Button, outfan and described hands automatic paralleling control module, the manual operation control module of meritorious, Reactive-power control touch button, have Merit, the input correspondence of Reactive-power control module are connected;Described fault diagnosis split-screen display, instrument split-screen display and running synchronize The input of split-screen display and described fault diagnosis processing module, instrumented data processing module, running synchronous processing module defeated Go out end to be connected.
Further, described change sealer includes the unit output loop with various places branch water-power plant and main transformer The system control cpu that depressor loop is electrically connected with, this system control cpu is connected in parallel to for described unit output loop The composite voltage circuit overcurrent protection of electic protection, fast differential over current protection circuit, ratio differential is provided with main transformer loop Protection circuit, zero sequence overvoltage crowbar, overload protecting circuit, excess voltage protection, low voltage protection circuit, overclocking are protected Protection circuit and low-frequency protection circuit.
Further, described hydrodynamic governor includes hydrodynamic governor machinery and controls this hydrodynamic governor machinery The speed regulator mechanical-hydraulic cabinet of device, this speed regulator mechanical-hydraulic cabinet includes Programmable Logic Controller, to described hydrodynamic governor Guide vane Mechanical course end that guide vane in machinery is controlled, described hydrodynamic governor machinery is carried out data Gather PC frequency measurement card and displacement transducer and guide vane manual control button, guide vane indicator of opening, automatically control by Button, wherein, described PC frequency measurement card, displacement transducer outfan respectively with any two input ports of described Programmable Logic Controller It is connected;The outfan of this Programmable Logic Controller is connected with the input of described guide vane Mechanical course end;Described guide vane Manual control button, the outfan automatically controlling button are connected with another two input ports of described Programmable Logic Controller respectively; Described indicator of opening is bi-directionally connected with described Programmable Logic Controller;
Described hydrodynamic governor machinery monitored in real time by described PC frequency measurement card, displacement transducer, and believed by frequency acquisition Number, displacement signal be sent to Programmable Logic Controller, through Programmable Logic Controller process after by guide vane indicator of opening show water guide Leaf aperture, operator can carry out Non-follow control by guide vane manual control button to guide vane Mechanical course end, until it reaches Set guide vane aperture;
Button is automatically controlled, by Programmable Logic Controller automatically with frequency to setting value, by the input of PC frequency measurement card when pressing Frequency acquisition is after Programmable Logic Controller is analyzed, and guide vane Mechanical course end is revised by this Programmable Logic Controller in real time, makes Reach grid-connected frequency values.
Further, described thermometric screen includes the controller being bi-directionally connected with generator set control end and is located at this Temperature sensor on group of motors key position, this temperature sensor passes sequentially through A/D converter, comparator and described controller Connecting, this controller is connected to standard temperature bin, touch screen and alarm;
Wherein, described controller is bi-directionally connected with described standard temperature bin;The outfan of described temperature sensor with The input of A/D converter connects, and the first outfan of A/D converter is connected with the first input end of comparator, this comparator The second input be connected to the standard temperature output port of described controller, the outfan of described comparator and described controller One input connect, this controller one outfan connect described alarm input;
The signal of temperature sensor output is converted into a temperature value through A/D converter and is sent to comparator, this temperature value Compared with the standard temperature of controller input, if temperature value is less than or equal to standard temperature, comparator is to controller output the One level signal, controller exports silence signal, alarm not alarm to alarm;If temperature value is more than standard temperature Degree, comparator exports second electrical level signal to controller, and controller triggers signal, alarm alarm to alarm output;
Second outfan of described A/D converter is connected with the temperature situation maker input in controller, this temperature The outfan of situation maker is connected with an input of touch screen;Another of the outfan of this touch screen and described controller is defeated Enter end to connect.
Further, described temperature sensor includes corresponding with the generating set iron core on described generating set The second temperature sensor that one temperature sensor is corresponding with the generating set coil on described generating set and described generating The three-temperature sensor that power bearing shell on unit is corresponding;Described comparator include respectively with described first temperature sensing The first comparator that device, the second temperature sensor, three-temperature sensor correspondence are connected, the second comparator, the 3rd comparator.
Further, described controller is also associated with data input output ports, this data input output ports and control Device is bi-directionally connected, and controller can be connected with external equipment or datatron by this data input output ports, and carries out with it Mutually data transmission.
Further, described controller is the PLC single-chip microcomputer being integrated with described temperature situation maker.
Beneficial effects of the present invention: design science is reasonable, the power station work on the spot equipment that will be distributed over various places runs shape State shows staff intuitively, to reduce equipment operation element amount to greatest extent, reduces human error and reduces personnel Establishment, centralized and unified management, it is achieved that automatization's operation, reduce production and operation cost.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch of the present invention;
Fig. 2 is the structural representation sketch of LCU for generator set screen in Fig. 1;
Fig. 3 is the inner function module simplified schematic diagram of PLC in Fig. 2;
Fig. 4 is the structural representation sketch sending out change sealer in Fig. 1;
Fig. 5 is the structural representation sketch of hydrodynamic governor in Fig. 1;
Fig. 6 is the structural representation sketch of thermometric screen in Fig. 1.
Detailed description of the invention
The present invention is further described below in conjunction with specific embodiment and accompanying drawing.
One power station intelligent management system as described in Figure 1, it includes headquarter surveillance center 9 and monitors with these general headquarters Center 9 is connected by VPN communication and office is in the Zhong Kong center, power station 10 of various places branch, Zhong Kong center, this power station 10 communication successively Connecting and have station level 11, wall, wherein, each protection measure and control unit of this wall includes public LCU screen 12, LCU for generator set Screen 13, route protection screen 14, microcomputer excitation screen 15, hydrodynamic governor 16, station-service screen 17, thermometric screen 18, send out change sealer 19 and Alternating current-direct current screen 20, this public LCU screen 12, LCU for generator set screen 13, route protection screen 14, microcomputer excitation screen 15, hydrodynamic governor 16, Station-service screen 17, thermometric screen 18, a change sealer 19 and alternating current-direct current screen 20 respectively and use ethernet communication even between station level 11 Connect.
This invention design science is reasonable, and the power station work on the spot equipment running status that will be distributed over various places is shown intuitively To staff, to reduce equipment operation element amount to greatest extent, reduce human error and reduce staffing, centralized and unified Management, it is achieved that automatization's operation, reduces production and operation cost.Realized power station by the communication network such as VPN, Ethernet Unified monitoring and Based Intelligent Control management, in headquarter surveillance center 9 connect have network service terminal 8, it is simple to operator or prison Control person's remote dialogue.
Carry out data exchange by the cascade dispatching system between station level 11, wall, it is achieved remotely monitor, and use Distributed Computerized monitor system, possesses perfect communication function, accomplishes system resource, data sharing, operation efficiently, in real time, Complete function, and communication protocol meets automatization's requirement of dispatching patcher.
Specifically, public LCU screen 12, LCU for generator set screen 13, route protection screen 14, microcomputer excitation screen 15, hydrodynamic governor 16, station-service screen 17, thermometric screen 18, a change sealer 19 and alternating current-direct current screen 20 all include data acquisition module such as to sense Device, video camera etc. and each unit intelligent control module, touch screen, for controlling the intelligent monitoring of each unit and intelligent remote. And Zhong Kong center, power station 10 protection measure and control unit of each unit provides the communication tools such as Ethernet unify in control monitoring and Based Intelligent Control, automaticity is high, and is truly realized remote automation control operation.
Zhong Kong center, power station 10 includes holding concurrently database server in an operation element station, has basic in operation element station Software kit etc., for the monitoring in whole power station and remotely controlling, at least need that there is data acquisition and procession, safety fortune Row monitors, controls in real time and adjust, monitor log and report, sequence of events recording, emergency review and correlative record, normally grasp Coach and accident treatment Operating Guideline, data communication, screen show and the function such as video monitoring.On Zhong Kong center, power station 10 It is provided with telecommunication port 22, for more telecommunication such as VPN or network communication etc..
Zhong Kong center, power station 10 connects and has several microsystem 21, these several microsystems 21 and Zhong Kong center, power station 10 are connected by wired or wireless communication, and the most wireless WIFI, bluetooth, microwave or netting twine etc., for different monitoring unit Or the packet in region, use multiple stage microsystem 21 to carry out specific aim monitoring and Based Intelligent Control, improve the standard that whole system is run Really property.
As shown in Figure 2,3, the unit main control circuit 130 that LCU for generator set screen 13 includes with various places branch unit is connected PLC131 and the data acquisition unit 132 being connected with this PLC131 respectively, touch display screen 133, bin 134, I/O Module 135, communication module 136, described touch display screen 133, bin 134, I/O module 135, communication module 136 respectively with PLC131 is bi-directionally connected;The outfan of data acquisition unit 132 is connected with the input port of PLC131, and this data acquisition list Unit 132 carries out Real-time Collection to every operational factor and the environment of operation state of unit;One output port of PLC131 and unit The input of main control circuit 130 is connected, wherein,
Include hands automatic paralleling in touching display screen 133 and control touch button 1331, manual operation control touch button 1332, meritorious, Reactive-power control touch button 1333, fault diagnosis split-screen display 1334, instrument split-screen display 1335 and running are same Step split-screen display 1336;The data processing unit being connected with described data acquisition unit 132 outfan is included in PLC131 1310 and be bi-directionally connected with this data processing unit 1310 hands automatic paralleling control module 1311, manual operation control module 1312, meritorious, Reactive-power control module 1313, fault diagnosis processing module 1314, instrumented data processing module 1315, running synchronize Processing module 1316, hands automatic paralleling controls touch button 1331, manual operation controls touch button 1332, meritorious, idle tune Outfan and the hands automatic paralleling control module 1311 of joint touch button 1333, manual operation control module 1312, gain merit, idle The input correspondence of adjustment module 1313 is connected;Fault diagnosis split-screen display 1334, instrument split-screen display 1335 and running are same The input of step split-screen display 1336 and fault diagnosis processing module 1314, instrumented data processing module 1315, the synchronization place of running The outfan of reason module 1316 is connected.
This LCU for generator set screen 13 simple in construction, joins for the turbine-generator units in power station and auxiliary device thereof, electromotor The electricity key area such as equipment is monitored, and realize intelligent start/stop, regulate, the function such as diagnosis, to ensure the peace in whole power station Full work production.
By data acquisition unit 132 to the turbine-generator units in power station and auxiliary device thereof or electromotor controller switching equipment Carrying out real-time data acquisition Deng unit, such as unit operates each supplemental characteristic, can use sensor, instrument, shooting is first-class carries out Directly gather.The data gathered input is carried out Treatment Analysis to data processing unit 1310, returns by data acquisition unit 132 Class, then carried out transferring use by each functional module, such as, fault diagnosis processing module 1314, according to the data gathered and thing The data being first stored in PLC131 are compared, diagnosable go out whole unit operation whether break down, and finally touching Touch in the fault diagnosis split-screen display 1334 in display screen 133 and show;Same, instrumented data processing module 1315, fortune Make after synchronous processing module 1316 can process according to each collection data in instrument split-screen display 1335 and running simultaneous display Split screen 1336 shows, in order to ensure that this instrumented data processing module 1315, running synchronous processing module 1316 are to respectively adopting The correct process of collection data, is respectively provided with coded treatment in instrumented data processing module 1315, running synchronous processing module 1316 Module.Distinguishingly, running synchronous processing module 1316 can use process monitored picture to synchronize as running, it is possible to uses analog machine Each collection data are converted into analog quantity by group operating state, then carry out real-time dynamic monitoring on simulation unit and show.Hands is automatic Concurrent control module 1311, manual operation control module 1312, meritorious, Reactive-power control module 1313 are for automatic to the hands of unit The control same period, startup-shutdown Based Intelligent Control, meritorious, Reactive-power control etc..
Finally, data processing unit 1310 is all bi-directionally connected with bin 14, I/O module 135, communication module 136 respectively, One output port of this data processing unit is connected with unit main control circuit 10.By bin 134 to each collection data And process information, operation control letter, diagnosis process etc. store effectively, short range can be carried out by I/O module 135, pass through Communication module 136 carries out remote data transmission, or carries out intelligence short range, remotely controls, in such as this example by Ethernet with Station level 11 communication connects.
As shown in Figure 4, send out change sealer 19 and include the unit output loop 191 with various places branch water-power plant and main The system control cpu 190 that transformer circuit 192 is electrically connected with, this system control cpu 190 is connected in parallel to for unit Output loop 191 and main transformer loop 192 provide the composite voltage circuit overcurrent protection 195 of electic protection, differential quick-break Protection circuit 196, ratio differential protection circuit 197, zero sequence overvoltage crowbar 198, overload protecting circuit 199, overvoltage Protection circuit 200, low voltage protection circuit 201, overclock protection circuit 202 and low-frequency protection circuit 203.
Remote communication module (not shown) it is connected to, for being connected with station level 11 communication on this system control cpu 190.Logical Cross system control cpu intelligent allocation composite voltage circuit overcurrent protection 195, fast differential over current protection circuit 196, ratio differential guarantor Protection circuit 197, zero sequence overvoltage crowbar 198, overload protecting circuit 199, excess voltage protection 200, under-voltage protection Circuit 201, overclock protection circuit 202 and low-frequency protection circuit 203 etc., for whole power station unit output loop and main transformer Loop provides complete electic protection, eliminates safe hidden trouble, practical convenient.
Specifically, composite voltage circuit overcurrent protection 195, fast differential over current protection circuit 196, ratio differential protection circuit 197, zero sequence overvoltage crowbar 198, overload protecting circuit 199, excess voltage protection 200, low voltage protection circuit 201, overclock protection circuit 202 and low-frequency protection circuit 203, above single circuit structure itself belongs to prior art protection electricity Road, at this, function and the principle of each protection circuit illustrate the most one by one, and this structure is mainly whole by system control cpu 190 Close each protection circuit, to realize the unit output loop of whole water-power plant and main transformer loop are provided complete electric Protection, very useful, and Function Integration Mechanism, it is easy to unified management and configuration.
Finally, system control cpu 190 has communication port 193, be used for and external equipment or intelligent control device Carry out telecommunication use, to realize remotely controlling and call of later stage;System control cpu 190 connects and has bin 194, For data such as the running daily records of service data and whole sealer that stores whole water-power plant, in order to follow-up accomplishing can be looked into And safeguard.
As it is shown in figure 5, hydrodynamic governor 16 includes hydrodynamic governor machinery and controls this hydrodynamic governor machinery The speed regulator mechanical-hydraulic cabinet of device, this speed regulator mechanical-hydraulic cabinet includes Programmable Logic Controller 160, to hydrodynamic governor machine Guide vane Mechanical course end 162 that guide vane in tool device is controlled, hydrodynamic governor machinery is carried out data acquisition The PC frequency measurement card 163 of collection and displacement transducer 164 and guide vane manual control button 166, guide vane indicator of opening 167, from Dynamic control knob 168, wherein, PC frequency measurement card 163, displacement transducer 164 outfan respectively with the appointing of Programmable Logic Controller 160 Two input ports of anticipating are connected;The outfan of this Programmable Logic Controller 160 is connected with the input of guide vane Mechanical course end 162 Connect;Guide vane manual control button 166, automatically control the outfan of button 168 another two defeated with Programmable Logic Controller 160 respectively Inbound port is connected;Indicator of opening 167 is bi-directionally connected with Programmable Logic Controller 160;
Hydrodynamic governor machinery monitored in real time by PC frequency measurement card 163, displacement transducer 164, and by frequency acquisition signal, Displacement signal is sent to Programmable Logic Controller 160, is shown by guide vane indicator of opening 167 after Programmable Logic Controller 160 processes Showing guide vane aperture, guide vane Mechanical course end 162 manually can be controlled by operator by guide vane manual control button 166 System, until it reaches set guide vane aperture;
Button 168 is automatically controlled, by Programmable Logic Controller 160 automatically with frequency is to setting value, by PC frequency measurement card when pressing The frequency acquisition of 163 inputs is after Programmable Logic Controller 160 is analyzed, and this Programmable Logic Controller 160 is to guide vane Mechanical course end 162 revise in real time, make up to grid-connected frequency values.
Speed regulator mechanical-hydraulic cabinet also includes emergency stop button 161 and touch screen 165, this emergency stop button 161 Outfan be connected with an input port of Programmable Logic Controller 160, either at automatic operating still under manual operating mode Run, when unit is overrun or serious electrically and mechanically fault occurs, it is necessary to during emergency shutdown, press this emergency stop button 161, Programmable Logic Controller 160 automatically controls complete machine and shuts down.And touch screen 165 and Programmable Logic Controller 160 are bi-directionally connected, it is used for Show whole device operating state and carry out human computer conversation.
As shown in Figure 6, thermometric screen 18 includes the controller 185 being bi-directionally connected with generator set control end 181 and is located at Temperature sensor on this generating set key position, this temperature sensor pass sequentially through A/D converter 183, comparator 184 with Controller 185 connects, and this controller 185 is connected to standard temperature bin 186, touch screen 187 and alarm 188;
Wherein, controller 185 is bi-directionally connected with standard temperature bin 186;The outfan of temperature sensor is changed with A/D The input of device 183 connects, and the first outfan of A/D converter 183 is connected with the first input end of comparator 184, and this compares Second input of device 184 is connected to the standard temperature output port of controller 185, the outfan of comparator 184 and controller One input of 185 connects, and an outfan of this controller 185 connects the input of alarm 188;
The signal of temperature sensor output is converted into a temperature value through A/D converter 183 and is sent to comparator 184, should Temperature value is compared with the standard temperature that controller 185 inputs, if temperature value is less than or equal to standard temperature, comparator 184 to Controller 185 exports the first level signal, and controller 185 exports silence signal to alarm 188, and alarm 188 is not warned Report;If temperature value is more than standard temperature, comparator 184 exports second electrical level signal to controller 185, and controller 185 is to report Alert device 188 output triggers signal, alarm 188 alarm;
Second outfan of A/D converter 183 is connected with temperature situation maker 1800 input in controller 185, The outfan of this temperature situation maker 1800 is connected with an input of touch screen 187;The outfan of this touch screen 187 and control Another input of device 185 processed connects.
Controller 185 is the PLC single-chip microcomputer being integrated with temperature situation maker 1800.Passed by this controller 185, temperature Sensor, A/D converter 183, comparator 184, standard temperature bin 186, touch screen 187 and alarm 188 carry out organic whole Closing, each key position of generating set for power station carries out real time temperature monitoring, and surpasses for these temperature monitoring data The application such as temperature warning, disorderly closedown, exchange data, to ensure that the safety work of generating set produces.
Temperature sensor include first temperature sensor 1 corresponding with the generating set iron core 2 on generating set and Corresponding the second temperature sensor 3 of generating set coil 4 on generating set is relative with the power bearing shell 6 on generating set The three-temperature sensor 5 answered;Comparator 184 include respectively with described first temperature sensor the 1, second temperature sensor 3, The first comparator that three-temperature sensor 5 correspondence is connected, the second comparator, the 3rd comparator.During use, A/D converter 183 can also be respectively provided with the first A/D converter, the second A/D converter and the 3rd A/D converter, the i.e. first temperature sensor 1 Being connected by the first A/D converter and the first comparator, the second temperature sensor 3 is by the second A/D converter and the second ratio Relatively device is connected, and three-temperature sensor 5 is connected by the 3rd A/D converter and the 3rd comparator, by being separately provided, makes Must for the temperature of the iron core of generating set, coil and three key positions of power bearing shell respectively by the first comparator, second Comparator, the 3rd comparator, compared with corresponding standard temperature, draw different comparative results, finally, can pass through alarm 188 relative set become three, i.e. the fault for different key positions is chosen different alarms and reported to the police, and then can pass through Alarm 188 is directly found out corresponding trouble location and is keeped in repair, convenient and swift.
Controller 185 is also associated with data input output ports 189, this data input output ports 189 and controller 185 Being bi-directionally connected, controller 185 can be connected with external equipment or datatron by this data input output ports 189, and and its Carry out mutual data transmission.
During use, except carry out fault alarm and investigation in addition to, also can:
Corresponding temperature signal is converted to digital signal and sends to temperature situation maker 1800 by A/D converter 183, Temperature situation maker 1800 generates the such as situation map such as curve, column by the continuous temperature signal of certain period of time, then Touch screen 187 shows, facilitates operator to supervise;
Generator set control end 200 can directly be carried out operating control by operator by touch screen 187;Meanwhile, also may be used By touch screen 187, the standard temperature in standard temperature bin 186 is adjusted, to adapt to Various Seasonal, varying environment Under use;
Finally, whole thermometric screen also can carry out immediate data with external equipment or datatron and be connected transmission, carries out other Functional module extends or machine machine interjob.
Finally, the controller 180 of the Programmable Logic Controller 160 of hydrodynamic governor, thermometric screen is all connected to telecommunication mould Block (not shown), for being connected with station level 11 communication.
The technical scheme provided the embodiment of the present invention above is described in detail, specific case used herein Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help to understand this The principle of inventive embodiments;Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party All will change in formula and range of application, in sum, this specification content should not be construed as limitation of the present invention.

Claims (10)

1. a power station intelligent management system, it is characterised in that: include headquarter surveillance center (9) and monitor with these general headquarters Center (9) is connected by VPN communication and office depends in the Zhong Kong center, power station (10) of various places branch, Zhong Kong center, this power station (10) Secondary communication connects station level (11), wall, and wherein, each protection measure and control unit of described wall includes public LCU screen (12), LCU for generator set screen (13), route protection screen (14), microcomputer excitation screen (15), hydrodynamic governor (16), station-service screen (17), survey Wen Ping (18), change sealer (19) and alternating current-direct current screen (20), this public LCU screen (12), LCU for generator set screen (13), route protection Screen (14), microcomputer excitation screen (15), hydrodynamic governor (16), station-service screen (17), thermometric screen (18), a change sealer (19) and friendship Direct current cabinet (20) is connected with using ethernet communication between described station level (11) respectively.
Power station the most according to claim 1 intelligent management system, it is characterised in that: in described headquarter surveillance center (9) Connect and have network service terminal (8).
Power station the most according to claim 1 intelligent management system, it is characterised in that: on Zhong Kong center, described power station (10) Connecting and have several microsystem (21), these several microsystems (21) and Zhong Kong center, described power station (10) are by wired or wireless Communication connection.
4. according to the power station intelligent management system described in claim 1 or 3, it is characterised in that: described LCU for generator set screen (13) is wrapped Include PLC (131) that the unit main control circuit (130) with various places branch unit is connected and respectively with this PLC (131) phase The data acquisition unit (132) of connection, touch display screen (133), bin (134), I/O module (135), communication module (136), described touch display screen (133), bin (134), I/O module (135), communication module (136) respectively with described PLC (131) it is bi-directionally connected;The outfan of described data acquisition unit (132) is connected with the input port of described PLC (131), and This data acquisition unit (132) carries out Real-time Collection to every operational factor and the environment of operation state of described unit;Described PLC (131) a output port is connected with the input of described unit main control circuit (130), wherein,
Include hands automatic paralleling in described touch display screen (133) and control touch button (1331), manual operation control touch Button (1332), meritorious, Reactive-power control touch button (1333), fault diagnosis split-screen display (1334), instrument split-screen display (1335) and running simultaneous display split screen (1336);Include defeated with described data acquisition unit (132) in described PLC (131) Go out the data processing unit (1310) that end is connected and the hands automatic paralleling control being bi-directionally connected with this data processing unit (1310) Molding block (1311), manual operation control module (1312), meritorious, Reactive-power control module (1313), fault diagnosis processing module (1314), instrumented data processing module (1315), running synchronous processing module (1316), described hands automatic paralleling control touch press Button (1331), manual operation control touch button (1332), meritorious, Reactive-power control touch button (1333) outfan with described Hands automatic paralleling control module (1311), manual operation control module (1312), meritorious, the input of Reactive-power control module (1313) End correspondence is connected;Described fault diagnosis split-screen display (1334), instrument split-screen display (1335) and running simultaneous display split screen (1336) input and described fault diagnosis processing module (1314), instrumented data processing module (1315), the synchronization place of running The outfan of reason module (1316) is connected.
5. according to the power station intelligent management system described in claim 1 or 3, it is characterised in that: described change sealer (19) Include the unit output loop (191) with various places branch water-power plant and CPU that main transformer loop (192) are electrically connected with Control system (190), this system control cpu (190) is connected in parallel to for described unit output loop (191) and main transformer Depressor loop (192) provide the composite voltage circuit overcurrent protection (195) of electic protection, fast differential over current protection circuit (196), Ratio differential protection circuit (197), zero sequence overvoltage crowbar (198), overload protecting circuit (199), overvoltage protection electricity Road (200), low voltage protection circuit (201), overclock protection circuit (202) and low-frequency protection circuit (203).
6. according to the power station intelligent management system described in claim 1 or 3, it is characterised in that: described hydrodynamic governor (16) Include hydrodynamic governor machinery and control the speed regulator mechanical-hydraulic cabinet of this hydrodynamic governor machinery, this speed regulator Mechanical-hydraulic cabinet includes Programmable Logic Controller (160), is controlled the guide vane in described hydrodynamic governor machinery Guide vane Mechanical course end (162), described hydrodynamic governor machinery is carried out data acquisition PC frequency measurement card (163) and Displacement transducer (164) and guide vane manual control button (166), guide vane indicator of opening (167), automatically control button (168), wherein, described PC frequency measurement card (163), displacement transducer (164) outfan respectively with described Programmable Logic Controller (160) any two input ports are connected;The outfan of this Programmable Logic Controller (160) and described guide vane Mechanical course end (162) input is connected;Described guide vane manual control button (166), automatically control the outfan of button (168) respectively It is connected with another two input ports of described Programmable Logic Controller (160);Described indicator of opening (167) and described programmable control Device processed (160) is bi-directionally connected;
Described hydrodynamic governor machinery monitored in real time by described PC frequency measurement card (163), displacement transducer (164), and will gather Frequency signal, displacement signal are sent to Programmable Logic Controller (160), are opened by guide vane after Programmable Logic Controller (160) processes Degree indicator (167) display guide vane aperture, operator can be by guide vane manual control button (166) to guide vane machinery control End processed (162) carries out Non-follow control, until it reaches set guide vane aperture;
Button (168) is automatically controlled, by Programmable Logic Controller (160) automatically with frequency is to setting value, by PC frequency measurement card when pressing (163) frequency acquisition inputted is after Programmable Logic Controller (160) is analyzed, and this Programmable Logic Controller (160) is to guide vane machinery Control end (162) to revise in real time, make up to grid-connected frequency values.
7. according to the power station intelligent management system described in claim 1 or 3, it is characterised in that: described thermometric screen (18) includes There is the controller (185) being bi-directionally connected with generator set control end (181) and be located at the temperature on this generating set key position Sensor, this temperature sensor passes sequentially through A/D converter (183), comparator (184) is connected with described controller (185), should Controller (185) is connected to standard temperature bin (186), touch screen (187) and alarm (188);
Wherein, described controller (185) is bi-directionally connected with described standard temperature bin (186);Described temperature sensor defeated Go out end to be connected with the input of A/D converter (183), the of the first outfan of A/D converter (183) and comparator (184) One input connects, and second input of this comparator (184) is connected to the standard temperature outfan of described controller (185) Mouthful, the outfan of described comparator (184) is connected with an input of described controller (185), and the one of this controller (185) is defeated Go out end and connect the input of described alarm (188);
The signal of temperature sensor output is converted into a temperature value through A/D converter (183) and is sent to comparator (184), should Temperature value is compared with the standard temperature that controller (185) inputs, if temperature value is less than or equal to standard temperature, comparator (184) exporting the first level signal to controller (185), controller (185) exports silence signal to alarm (188), Alarm (188) not alarm;If temperature value is more than standard temperature, comparator (184) exports second electrical level to controller (185) Signal, controller (185) triggers signal, alarm (188) alarm to alarm (188) output;
Second outfan of described A/D converter (183) and temperature situation maker (1800) input in controller (185) Connecting, the outfan of this temperature situation maker (1800) is connected with an input of touch screen (187);This touch screen (187) Outfan be connected with another input of described controller (185).
Power station the most according to claim 7 intelligent management system, it is characterised in that: described temperature sensor include with Sending out in the first temperature sensor (1) that generating set iron core (2) on described generating set is corresponding and described generating set Corresponding the second temperature sensor (3) of group of motors coil (4) is corresponding with the power bearing shell (6) on described generating set Three-temperature sensor (5);Described comparator (184) includes and passes with described first temperature sensor (1), the second temperature respectively The first comparator that sensor (3), three-temperature sensor (5) correspondence are connected, the second comparator, the 3rd comparator.
Power station the most according to claim 7 intelligent management system, it is characterised in that: described controller (185) is also connected with Data input output ports (189), this data input output ports (189) is had to be bi-directionally connected with controller (185), controller (185) can be connected with external equipment or datatron by this data input output ports (189), and carry out mutual data with it Transmission.
Power station the most according to claim 7 intelligent management system, it is characterised in that: described controller (185) is integrated There is the PLC single-chip microcomputer of described temperature situation maker (1800).
CN201610607617.9A 2016-07-28 2016-07-28 Power station intelligent management system Pending CN106066628A (en)

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