CN201805276U - Bus-type low-voltage control system - Google Patents

Bus-type low-voltage control system Download PDF

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Publication number
CN201805276U
CN201805276U CN2010202710337U CN201020271033U CN201805276U CN 201805276 U CN201805276 U CN 201805276U CN 2010202710337 U CN2010202710337 U CN 2010202710337U CN 201020271033 U CN201020271033 U CN 201020271033U CN 201805276 U CN201805276 U CN 201805276U
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CN
China
Prior art keywords
control
sub
bus
power
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010202710337U
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Chinese (zh)
Inventor
查赛彬
王正山
安棣
黄新宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOER (WUXI) POWER SYSTEM Co Ltd
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BOER (WUXI) POWER SYSTEM Co Ltd
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Publication date
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Priority to CN2010202710337U priority Critical patent/CN201805276U/en
Application granted granted Critical
Publication of CN201805276U publication Critical patent/CN201805276U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Abstract

The utility model provides a bus-type low-voltage control system, which comprises a plurality of sub-control systems, wherein each sub-control system is connected with a data server via a bus; the data server is connected with a host computer via a communication module; and each sub-control system comprises a transformer temperature sub-control system, a power switch sub-control system, a power compensation sub-control system, and part of or all the components in an electric motor protection sub-control system. The bus-type low-voltage control system provided by utility model has the advantages that components with communication capacity are connected with one another via adopting a standard field bus and other digital communication methods; and the partial or the whole functions in remote measurement, remote regulation, remote control and remote communication of field equipments, power grids or other controllers inside a slave station are realized via a controller or the host computer inside a master station, so that the improvement to the safe and reliable operation of power transmission and distribution equipment is guaranteed.

Description

The bus-type low voltage control system
Technical field
The utility model relates to a kind of low voltage control system structure that is used for the bus-type of distribution system.
Background technology
Along with the continuous development of power industry, the data volume transmission of distribution system, Long-distance Control, trouble hunting etc. are had higher requirement.Some intelligentized electric elements increase on the market, and function is gradually improved, and make the bus-type low voltage control system become possibility.
The bus-type low-voltage complete switch equipment is applicable in the distribution system usefulness as power distribution, conversion and Motor Control.At present the form of the bus type structure that adopts at low-voltage complete switch equipment is fewer, is unfavorable for carrying out unified flexibly control.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of bus-type low voltage control system is provided, and is a kind of bus-type low-voltage complete switch equipment, can utilize host computer to unify control.
The technical scheme that provides according to the utility model; described bus-type low voltage control system comprises a plurality of sub-control systems; each sub-control system connects data server by bus; described data server connects host computer by communication module, described sub-control system comprise in transformer temperature sub-control system, mains switch sub-control system, power back-off sub-control system and the motor protection sub-control system partly or entirely.
Described transformer temperature sub-control system comprises: mounting temperature sensor on transformer, the output of temperature sensor connects temperature controller, the output of temperature controller is connected in transformer other blower fan and heater, and the simultaneous temperature controller is connected with described data server.
Described mains switch sub-control system comprises: the combined floodgate that the power control switch circuit breaker is drawn is connected the signals collecting control instrument with switching winding, power control switch breaker signal output connects analog multichannel switch, on the circuit of circuit breaker output, current transformer is installed, the output of current transformer is connected analog multichannel switch by signal amplifier with filter circuit, described analog multichannel switch is connected to described signals collecting control instrument by the A/D signal converter again, and the signals collecting control instrument is connected with described data server.
The utility model has the advantages that: adopt the fieldbus of standard and the components and parts that other digital communication modes will have ability to communicate to be connected with each other, can realize part or all of function in the remote measurement, remote regulating, remote control, remote signalling to field apparatus, electrical network or other controllers (slave station) etc. by controller or host computer (main website), for improving the power transmission and transforming equipment safe operation and the raising reliability provides assurance.
Description of drawings
Fig. 1 is the utility model general structure schematic diagram.
Fig. 2 is the utility model circuit breaker control schematic diagram.
Embodiment
Native system adopts the intelligent breaker built-in intelligent controller of band communication function to have function one such as protection, warning, measurement, maintenance, operational management when selecting the circuit breaker controlling schemes, various parameters are online adjustable, and adopt the function of electronic control, make it to reach remote measurement, remote regulating, remote control, remote signalling, and of the collection of various signals by intelligence instrument, send in the database server with multimode fiber by communication interface, be connected to the control that reaches bus in the host computer with communication module in affirmation through database address; Select each quasi-controller just can reach basic function and optional function in native system as required, the parameters of intelligent circuit breaker and instrument all can be read by host computer, and it is controlled comprehensively to reach operation; The quality of power supply and device data transparence; Power failure, emergency stop valve trip, failure cause can be analyzed.When the needs certainty of measurement reaches 0.5 grade when requiring, adopt the current with high accuracy instrument transformer to measure as the instrument of measuring.
Native system is sensor installation when adopting transformer, after according to variation of temperature the variations in temperature that passes to being discerned signal by temperature controller, send in the database server with multimode fiber by communication interface, be connected to the control that reaches bus in the host computer with communication module in affirmation through the database server address.
On the Motor Control of bus-type, can adopt frequency converter or motor protection sub-control system; realize control remote measurement, remote regulating, remote control, remote signalling; on motor protection controller, have functions such as electric parameter monitoring, electric quantity monitoring, the input of variable connector amount; adopt smart instrumentation to control; finish the control of loop other parts and the collection of switching value with the I/O module again; motor adopts special-purpose software to realize the interlocked control of each motor, sequential control requirement.Various data send in the database server with multimode fiber by communication interface by smart instrumentation, are connected to the control that reaches bus in the host computer with communication module in the affirmation through the database server address.
In power control, adopt intelligentized power back-off controller.Can detect active power, reactive power, frequency, power factor, apparent power, by intelligentized capacitance compensation controller, after by intelligence instrument data being handled again, various data are passed through smart instrumentation, send in the database server with multimode fiber by communication interface, be connected to the control that reaches bus in the host computer with communication module in affirmation through the database server address.
The whole communication system of native system is to be formed by connecting by particular communication circuit and these smart machines by host computer.But host computer obtains the work on the spot state and the parameter of whole bus cabinet by the communication equipment that reads these scenes, and with these data instant playbacks on the user interface for user inquiring, and use the element networking of adopting the identical standard agreement.
Below in conjunction with a description of drawings embodiment of the present utility model.
As shown in Figure 1: this bus-type low voltage control system comprises a plurality of sub-control systems; each sub-control system connects data server 6 by bus; described data server 6 connects host computer 8 by communication module 7, and described sub-control system comprises transformer temperature sub-control system, mains switch sub-control system, power back-off sub-control system and motor protection sub-control system.Data server adopts DELL PowerEdge 860 servers.
Described transformer temperature sub-control system comprises: mounting temperature sensor 2 on transformer 1, be input in the temperature controlling device 3 by temperature sensor 2 according to transformer 1 variations in temperature, in temperature controller 3, preestablished temperature range in advance, when temperature surpasses design temperature,, open fan starting and lower the temperature by temperature controller 3 output signals; When temperature was lower than design temperature, temperature controller 3 output signals were opened heater, and when temperature reached the control temperature, temperature controller 3 just can cut off the switch heater and quit work.Temperature controller 3 various signals are transferred on the database server 6 again, by database server 6 signal is transferred to by communication module 7 and carries out centralized control on the host computer 8, just can check the state of transformer 1, when overtemperature takes place transformer 1, just can send alarm signal, so that handle.
Described power back-off sub-control system comprises that the power back-off controller 10 and first smart instrumentation, 11, the first smart instrumentations 11 that are connected are connected with data server 6.To the power on the circuit by adopting power back-off, compensate with electric capacity, and employing power back-off controller 10, power by 10 pairs of circuits of power back-off controller is controlled, can automatically power not reached when requiring and compensate automatically, power back-off controller 10 can detect reactive power, active power, frequency, power factor, apparent power etc.These parameters are transferred to database server 6 again by first smart instrumentation 11, by database server 6 signal are transferred to by communication module 7 and carry out centralized control on the host computer 8.
Described motor protection sub-control system comprises that motor 12 is connected with motor protection controller 13, and motor protection controller 13 is connected with data server 6 by second smart instrumentation 9 again.Motor 12 is controlled by motor protection controller 13; motor 12 is realized control remote measurement, remote regulating, remote control, remote signalling; and motor protection controller 13 has functions such as electric parameter monitoring, electric quantity monitoring, the input of variable connector amount; motor protection controller 13 is controlled by second smart instrumentation 9 again; finish the control of loop other parts and the collection of switching value with the I/O module again; motor 12 adopts special-purpose software to realize the interlocked control of each motor, sequential control requirement.Various data send in the data server 6 by second smart instrumentation, 9 usefulness multimode fibers, and the affirmation of process data server 6 addresses is connected to the control that reaches bus in the host computer 8 with communication module 7.
As shown in Figure 2, described mains switch sub-control system comprises: the combined floodgate that power control switch 4 circuit breakers are drawn is connected signals collecting control instrument 5 with switching winding, power control switch 4 breaker signal outputs connect analog multichannel switch, on the circuit of circuit breaker output, current transformer is installed, the output of current transformer is connected analog multichannel switch by signal amplifier with filter circuit, described analog multichannel switch is connected to described signals collecting control instrument 5 by the A/D signal converter again, and signals collecting control instrument 5 is connected with data server.
Combined floodgate that circuit breaker is drawn and switching winding intelligence instrument carry out the control of separating brake and combined floodgate, and by signals collecting control instrument 5 signal are transferred in the database server, again by communication module, are controlled by communication module transmission host computer.Current transformer is installed on the circuit of circuit breaker output to be used for detecting the related data of electric current and to detect data; output signal by current transformer; by signal amplifier and filtering; pass through analog multichannel switch again; conversion to the A/D data-signal; be input to again in the signals collecting control instrument 5 protect, report to the police, measure, function one such as maintenance, operational management; various parameters are online adjustable; then various signals are transferred in the database server; by communication module, be transferred to host computer and control.
The utility model utilizes multiple smart instrumentation, by data server, and adopts communication module, connects the host computer centralized control, reaches total line traffic control requirement.

Claims (3)

1. bus-type low voltage control system; it is characterized in that: comprise a plurality of sub-control systems; each sub-control system connects data server by bus; described data server connects host computer by communication module, described sub-control system comprise in transformer temperature sub-control system, mains switch sub-control system, power back-off sub-control system and the motor protection sub-control system partly or entirely.
2. bus-type low voltage control system according to claim 1, it is characterized in that described transformer temperature sub-control system comprises: mounting temperature sensor on transformer, the output of temperature sensor connects temperature controller, the output of temperature controller is connected in transformer other blower fan and heater, and the simultaneous temperature controller is connected with described data server.
3. bus-type low voltage control system according to claim 1, it is characterized in that described mains switch sub-control system comprises: the combined floodgate that the power control switch circuit breaker is drawn is connected the signals collecting control instrument with switching winding, power control switch breaker signal output connects analog multichannel switch, on the circuit of circuit breaker output, current transformer is installed, the output of current transformer is connected analog multichannel switch by signal amplifier with filter circuit, described analog multichannel switch is connected to described signals collecting control instrument by the A/D signal converter again, and the signals collecting control instrument is connected with described data server.
CN2010202710337U 2010-07-21 2010-07-21 Bus-type low-voltage control system Expired - Fee Related CN201805276U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202710337U CN201805276U (en) 2010-07-21 2010-07-21 Bus-type low-voltage control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202710337U CN201805276U (en) 2010-07-21 2010-07-21 Bus-type low-voltage control system

Publications (1)

Publication Number Publication Date
CN201805276U true CN201805276U (en) 2011-04-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520704A (en) * 2011-12-31 2012-06-27 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520704A (en) * 2011-12-31 2012-06-27 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device
CN102520704B (en) * 2011-12-31 2014-03-05 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110420

Termination date: 20170721