CN102142719A - Method for integration and data processing of insulated on-line monitoring system of transformer substation - Google Patents

Method for integration and data processing of insulated on-line monitoring system of transformer substation Download PDF

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Publication number
CN102142719A
CN102142719A CN2011101084602A CN201110108460A CN102142719A CN 102142719 A CN102142719 A CN 102142719A CN 2011101084602 A CN2011101084602 A CN 2011101084602A CN 201110108460 A CN201110108460 A CN 201110108460A CN 102142719 A CN102142719 A CN 102142719A
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data
data processing
line monitoring
current
monitoring subsystem
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CN102142719B (en
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陈正全
张崇文
陈勇
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WUHAN INCOM RAILWAY EQUIPMENT ENGINEERING Co Ltd
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WUHAN INCOM RAILWAY EQUIPMENT ENGINEERING Co Ltd
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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7869
    • 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
    • Y04S40/128Systems 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 involving the use of Internet protocol

Abstract

The invention provides a method for integration and data processing of an insulated on-line monitoring system of a transformer substation. The method comprises the following steps of: describing the insulated on-line monitoring system of the transformer substation by adopting a local monitoring layer, a station-end control layer and a remote monitoring management layer, wherein the local monitoring layer comprises a plurality of local intelligent monitoring field units, the station-end control layer comprises a plurality of station-end central management units, and the remote monitoring management layer comprises a plurality of monitoring management terminals and a data processing server; processing telemetry data which is received by the data processing server through an intermediate value so as to eliminate a measurement noise; clustering alarm data according to the time, state and voltage level of an alarm; and calculating the failure probability of equipment on a motion which may be caused by an accident, to obtain a priority corresponding to accident data. By the method, the power-failure time and number of times for the switching operation of the transformer substation equipment can be reduced, an insulating defect of development is discovered immediately, and the running life of the transformer substation equipment is prolonged.

Description

The method of the integrated and data processing of insulation on-line monitoring system of substation
Technical field
The present invention relates to the electric power supervisory control field, relate in particular to the method for the integrated and data processing of insulation on-line monitoring system of substation.
Background technology
Transformer station's insulation has been one of research focus in China's power industry at line technology since the nineties in 20th century always, it is at computer monitoring, grow up on the The Application of Technology bases such as remote dispatching control, in recent years, along with China's electric power system and development of electric power industry, fail safe to current and even intelligent grid of future generation, economy requires more and more higher, simultaneously because the increase of electrical network complexity, the control centre requires more information, and adopt more distant place centralized control, centralized operation and anti-accident measures are realized sharing of information, simplified system, reduce cable and website floor space, with the ruuning situation of timely grasp electrical network and transformer station, and substation operation monitored automatically, management, coordinate and control.
Monitoring to the power transformation station equipment not only is satisfied with in " four is distant " function related digital and simple graphical, traditional dependence equipment is examined surely, is patrolled and examined, spot check and preventive trial are that main maintenance and management system has caused to be recorded as main static off-line system, and the monitoring demand of ageing, intellectual analysis and diagnosis constantly promotes, and is that the scheduled overhaul that the repair based on condition of component on prerequisite and basis progressively replaces based on preventive trial becomes certainty with the on-line monitoring.
At present at home, modular Microcomputer Protection mode and the distributing microcomputer measuring and controlling method that designs by function are able to extensive use, these class methods transfer protective relaying device to the switch scene, the system controlled by computer terminal is set, gather measured value and make and break contact and information, and be sent to the background server of main control room by optical cable or network-bus, switch and isolator operation order are also assigned to the terminal execution by optical cable by main control room, thereby have made up transformer station's insulation on-line monitoring system of layered distribution type system configuration; Abroad, with Siemens, ABB AB, AEG company, U.S. GE company, Westinghouse Electric and French Alstom are that the overseas enterprise of representative has also adopted the operational support system based on computer supervisory control system, except possessing remote measurement, remote signalling, remote control, remote regulating function, responsibilities such as single phase ground fault, load management, burst data record, automatic reclosing have been born toward contact.Yet, monitoring to transformer substation system at present still mainly relies on video flowing to carry out the accident judgement of artificial experience, be aided with the basic status parameter indication of equipment, because video and device status data separate storage, analysis, make that promptness, the accuracy of orientation problem were not high when accident produced, add the restriction of the network bandwidth, application index parameter and database real-time processing technique, do not form the comprehensive system integration and data processing method as yet.
Summary of the invention
For transformer, lightning arrester, circuit breaker, capacitive apparatus and the surrounding environment of monitoring transformer station in the electric power system, the invention provides a kind of method of integrated and data processing of insulation on-line monitoring system of substation.
The method of the integrated and data processing of insulation on-line monitoring system of substation of the present invention, adopt local monitor layer, stand end key-course and remote monitoring management level operate, wherein, local monitor layer comprises several local intelligent monitoring field units, the end key-course of standing comprises several station end central manage-ment unit, and the remote monitoring management level comprise several monitoring management terminals and a data processing server;
In the described local intelligent monitoring means each comprises: capacitive apparatus insulated on-line monitoring subsystem, the transformer insulated on-line monitoring subsystem, lightning arrester insulation on-line monitoring subsystem, circuit-breaker status on-line monitoring subsystem, substation on-line monitoring subsystem, above-mentioned each monitoring subsystem all comprises transducer and two parts of signal processing unit, the status data of the target device at sensor acquisition scene, signal processing unit carries out preliminary treatment to state parameter, wherein, the status data of the target device of the sensor acquisition of described capacitive apparatus insulated on-line monitoring subsystem comprises: end screen electric current, dielectric loss, equivalent capacitance; The status data of the target device of the sensor acquisition of described transformer insulated on-line monitoring subsystem comprises: system's three-phase voltage, harmonic voltage, system frequency, iron core grounding current; The status data of the target device of the sensor acquisition of described lightning arrester insulation on-line monitoring subsystem comprises: leakage current, current in resistance property, capacity current; The status data of the target device of the sensor acquisition of described circuit-breaker status on-line monitoring subsystem comprises: the operate condition of the contact head abrasive loss of the operate time of three-phase current, switch, the action frequency of accumulative total, every phase and the contact head abrasive loss of accumulative total, residual electricity life-span, switch auxiliary contact, the three-phase load in the switch motion moment and short circuit current waveform, divide-shut brake coil current waveform, mechanical oscillation waveform, energy storage motor are suppressed constantly, energy storage time; The status data of the target device of the sensor acquisition of described substation on-line monitoring subsystem comprises: ambient temperature, ambient humidity, porcelain patticoat surface filth electric current;
In the end central manage-ment unit of described station each comprises: the end data processing module of standing, stand and hold communication module, the data that the end data processing module of standing is handled comprise: monitoring means operating state data in standing, control command, the end communication module of standing comprises: the RS-485 interface, RS-232 interface, USB interface, the CAN bus interface, and, RS-485, RS-232 interface, USB interface the communicating by letter of end central manage-ment unit and its local intelligent monitoring means of administering of being responsible for standing, CAN bus interface the communicating by letter of end central manage-ment unit and its affiliated data processing server of being responsible for standing;
Described data processing server comprises: integrated data processing module, server com-munication module, wherein, the handled data of integrated data processing module comprise: telemetry, remote signalling data, alert data, operating data, casualty data and safety on line are analyzed data, server com-munication module comprises: CAN bus interface, Internet network interface, wherein, the CAN bus interface is responsible for holding communicating by letter of central manage-ment unit with the station, the Internet network interface is responsible for being connected to local area network (LAN) or internet, to realize and the communicating by letter of monitoring management terminal;
For the telemetry that described data processing server receives, handle to eliminate measurement noise by median; And, when data processing server when receiving a large amount of alert datas record, carries out clustering processing according to time, state and the voltage levvl of reporting to the police to alert data with interior in the short time; And the casualty data for data processing server is received by calculating the possible breakdown rate of the equipment that may cause its action, obtains the priority of corresponding accident.
Preferably, the process that the signal processing unit of above-mentioned circuit breaker on-line monitoring subsystem calculates the electric life of circuit breaker comprises: according to the computing formula of I-N curve fit, press single drop-out current accumulative total contact head abrasive loss, when calculating drop-out current, according to auxiliary contact and drop-out current waveform, calculate the arcing time, with quantitative calculating accumulative total contact head abrasive loss.
Preferably, the process that the signal processing unit of above-mentioned capacitive apparatus on-line monitoring subsystem calculates the capacitive apparatus parameter comprises: at first adopt Fourier transform, obtain the amplitude and the phase data of end screen electric current, and then relatively the amplitude of end screen electric current and phase place and with the phase difference of reference source, obtaining required electric current, dielectric loss, and current in resistance property.
Preferably, the telemetry that above-mentioned data processing server receives can be handled by median and eliminate its measurement noise.
Preferably, when the alert data that above-mentioned data processing server receives at short notice is too much, alert data is carried out clustering processing according to time, state and the voltage levvl of reporting to the police.
Preferably, the casualty data that above-mentioned data processing server is received is by calculating the possible breakdown rate of the equipment that may cause its action, to obtain the priority of corresponding accident.
This method has proposed a kind of method of measuring the reference direction of dual-polarization intelligent antenna business beam, at target transformer station and relevant device thereof, can reduce its interruption duration and switching manipulation number of times, its insulation property and general level of the health under working voltage is described, in time find expansionary insulation defect, and prolong its service life.
Description of drawings
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is further described in detail.
Fig. 1 is the realization block diagram according to the method for the integrated and data processing of the insulation on-line monitoring system of substation of the embodiment of the invention;
Fig. 2 is the whole line map according to the method for the integrated and data processing of the insulation on-line monitoring system of substation of the embodiment of the invention.
Embodiment
In the following description, provided some detail so that fully understanding to a plurality of embodiment of the present invention.But, those skilled in the art do not have these details can realize the present invention as can be known yet.In other cases, there are not detailed expression or description and the relevant known configurations of equipment such as computer, transmission medium, measuring equipment, recording equipment, to avoid unnecessary interference description to the embodiment of the invention.
Unless content needs, otherwise in specification and claims, word " comprises " and change the meaning of " comprising " of being understood as that evolution, promptly " includes, but are not limited to ".
The present invention proposes a kind of method of integrated and data processing of insulation on-line monitoring system of substation, the interruption duration and the switching manipulation number of times of transformer station have been reduced, insulation property and the general level of the health of transformer station under working voltage has been described, can in time find its expansionary insulation defect, and prolong its service life.As shown in Figure 1, the method according to the integrated and data processing of the insulation on-line monitoring system of substation of present embodiment may further comprise the steps:
Adopt local monitor layer, the end key-course of standing, remote monitoring management level totally three hierarchy description insulation on-line monitoring system of substation, wherein, local monitor layer comprises several local intelligent monitoring field units, the end key-course of standing comprises several station end central manage-ment unit, and the remote monitoring management level comprise several monitoring management terminals and a data processing server.
And each local intelligent monitoring means comprises: capacitive apparatus insulated on-line monitoring subsystem (being called for short JY-C), transformer insulated on-line monitoring subsystem (being called for short JY-I), lightning arrester insulation on-line monitoring subsystem (being called for short JY-M), circuit-breaker status on-line monitoring subsystem (being called for short JY-B), substation on-line monitoring subsystem (being called for short JY-E).Above-mentioned each monitoring subsystem all comprises transducer and two parts of signal processing unit, wherein, transducer is a high accuracy single turn core type transducer, and its temperature is in-40 ℃~+ 70 ℃ excursions, the phase measurement accuracy error is in 0.5 °, and transducer does not have directly with main equipment and is connected.
And, for capacitive apparatus insulated on-line monitoring subsystem, that its transducer is gathered and comprised by the data of signal processing unit processes: end screen electric current, measuring range is between 2mA~500mA, and the certainty of measurement error is less than 1%; Dielectric loss, measuring range are between-10%~10%, and the certainty of measurement error is less than 1%; Equivalent capacitance, measuring range are between 100PF~25000pF, and the certainty of measurement error is less than 1%.
And for the transformer insulated on-line monitoring subsystem, that its transducer is gathered and comprised by the data of signal processing unit processes: system's three-phase voltage, measuring range are between 100PF~25000pF, and the certainty of measurement error is less than 1%; Harmonic voltage is measured number of times and is comprised that the certainty of measurement error is less than 2% 3,5,7,9 times; System frequency, measuring range are between 45~55HZ, and the certainty of measurement error is less than 0.01Hz; Iron core grounding current, measuring range are between 1mA~10A, and the certainty of measurement error is less than 2%.
And, for lightning arrester insulation on-line monitoring subsystem, that its transducer is gathered and comprised by the data of signal processing unit processes: leakage current, measuring range is between 100 μ A~10mA, and the certainty of measurement error is less than 1%; Current in resistance property, measuring range is between 10 μ A~10mA, and the certainty of measurement error is less than 1%; Capacity current, measuring range is between 100 μ A~10mA, and the certainty of measurement error is less than 1%.
And, for circuit-breaker status on-line monitoring subsystem, that its transducer is gathered and comprised: three-phase current by the data of signal processing unit processes; The operate time of switch, the circuit breaker action record ripple time is not more than 170ms, and the certainty of measurement error is less than 100 μ s; The action frequency of accumulative total; The contact head abrasive loss of the contact head abrasive loss of every phase and accumulative total; The residual electricity life-span; The operate condition of switch auxiliary contact; Switch motion three-phase load and short circuit current waveform constantly; Divide-shut brake coil current waveform; The mechanical oscillation waveform; Energy storage motor is suppressed constantly; Energy storage time, the certainty of measurement error is less than 1s.
And for substation on-line monitoring subsystem, that its transducer is gathered and comprised by the data of signal processing unit processes: ambient temperature, measuring range are between-50 ℃~80 ℃, and the certainty of measurement error is less than between 0.5%; Ambient humidity, measuring range are between 0~98%RH, and the certainty of measurement error is less than 2%; Porcelain patticoat surface filth electric current, measuring range is between 1 μ A~50mA, and the certainty of measurement error is less than 1%.
And, calculate the electric life of circuit breaker and can press single drop-out current accumulative total contact head abrasive loss according to the computing formula of I-N curve fit, when calculating drop-out current, according to auxiliary contact and drop-out current waveform, calculate the arcing time, with quantitative calculating accumulative total contact head abrasive loss.
And, when calculating the parameter of capacitive apparatus, can at first adopt Fourier transform, obtain the amplitude and the phase data of end screen electric current, and then relatively the amplitude of end screen electric current and phase place and with the phase difference of reference source, obtaining required electric current, dielectric loss, and electric parameter such as current in resistance property.
And each station end central manage-ment unit (being called for short RPC) comprising: the end data processing module of standing, the end communication module of standing.Wherein, the data that the end data processing module handles of standing comprise: stand interior monitoring means operating state data, control command.
And the monitoring means operating state data comprises in standing: the data that each on-line monitoring subsystem of the local intelligent monitoring means that it is administered is gathered.And control command comprises: the capacitive apparatus parameter reads, transformer parameter reads, the lightning arrester parameter reads, circuit breaker parameters reads, environmental parameter reads, soft switch self-starting, recover prompting certainly.
And the end communication module of standing comprises: RS-485 interface, RS-232 interface, USB interface, CAN bus interface.Wherein, RS-485, RS-232 interface, USB interface the communicating by letter of end central manage-ment unit and its local intelligent monitoring means of administering of being responsible for standing, CAN bus interface the communicating by letter of end central manage-ment unit and its affiliated data processing server of being responsible for standing.
And data processing server comprises: integrated data processing module, server com-munication module.Wherein, the handled data of integrated data processing module comprise: telemetry, remote signalling data, alert data, operating data, casualty data and safety on line are analyzed data.Wherein, telemetry is the relevant parameter of remote measurement amount, comprising: remote measurement title, remote measurement code name, remote measurement numerical value, alarm level; The remote signalling data are the relevant parameter of switching value measuring point, comprising: remote signalling title, remote signalling code name, remote signalling state, emergency review whether; Alert data is the data record of out-of-limit warning, comprising: report to the police date, time of fire alarming, warning title, alarm dead band; Operating data is the data record of historical operation, comprising: date of operation, operating time, operating personnel's name, operation item; Casualty data is the historgraphic data recording of generation accident, comprising: casualty date, time of casualty, accident content; It is the data record of real time fail that safety on line is analyzed data, comprising: fault date, fault time, accident parameter.And server com-munication module comprises: CAN bus interface, Internet network interface.Wherein, the CAN bus interface is responsible for and the communicating by letter of station end central manage-ment unit, and the Internet network interface is responsible for being connected to local area network (LAN) or internet, with communicating by letter of realization and monitoring management terminal.
As shown in Figure 2, provided local intelligent monitoring field unit, stand and holds line connection between central manage-ment unit and the data processing server.
And, in order to eliminate the measurement noise of the telemetry that data processing server receives, can adopt following step to handle:
S11: the remote measurement floating number sequence of establishing acquisition is { x (i) }, wherein i ∈ 1 ..., N}, N is the length of telemetry sequence, gets x (1) ..., the median of x (5) is as x 1(3);
S12: cast out x (1), add x (6), get median to obtain x 1(4), the rest may be inferred, up to adding last remote measurement floating number;
S13: to the new sequence { x that obtains 1(i) }, get the median of any three continuous numbers, to constitute sequence { x 2(i) };
S14: to the new sequence { x that obtains 2(i) }, calculate to obtain new sequence { x according to following formula (1) 3(i) }:
x 3(i)=0.25×x 2(i-1)+0.25×x 2(i)+0.25×x 2(i+1) (1)
S15: for any one the remote measurement floating number x (i) in original sequence { x (i) }, as its corresponding x (i)-x 3(i) absolute value is then used x with x (i) during greater than certain preset value k 3(i) replace, the sequence after the replacement is the telemetry sequence of having eliminated measurement noise.
And, when data processing server when receiving a large amount of Realtime Alerts data (for example more than 20), can adopt following step to handle with interior in the short time (for example 15 minutes):
S21: the switch that moves after the accident may carry out preliminary treatment by on off state information, protection automatics information and remote measurement value, to obtain correct displacement switching information once to three times displacement;
S22: according to correlated current voltage check protection switch motion, when taking place to be short-circuited fault as certain circuit unusually, corresponding current voltmeter meter can exceed normal level, can receive the off-limit alarm of current/voltage;
S23: the whether tripping of on off state and corresponding protection condition judgement switch, if certain trip protection drives single switch, then when this protection is moved, should trip to inductive switch, otherwise this switch tripping; If certain trip protection drives a plurality of switches, then when this protection action, all switches are driven, otherwise can be judged as the switch tripping;
S24: alert data is carried out clustering processing according to time of fire alarming, alarm condition and voltage levvl.
And the process that data processing server is handled each bar casualty data record comprises:
S31: as judgment basis, unusual may spending occur according to following formula (2) computing equipment or zone with trip signal:
F i=1-M/N (2)
Wherein, M by with equipment i the not trip switch number of company, N by with equipment i the total number of switches of company; When M=0, show that this accident is simple accident; Work as F i=1 o'clock, accident equipment was equipment i just; Work as F i<1 and M ≠ 0 o'clock, this accident is judged to be complex accident;
S32:, can directly alarm and notify the attendant for simple accident; For complex accident, search for each action protection relevant with this accident interruption district, determine the cluster tool that each causes action protection, get the common factor of the protection range of all protections, be called possibility equipment breakdown collection;
S33: when two corresponding possible equipment breakdown collection of certainty protection have common factor, should common factor corresponding equipment accident be included into the equipment breakdown collection; When uncertainty protects corresponding protection range and faulty equipment collection to intersect, keep and intersect equipment as the concentrated element of faulty equipment;
S34:,, calculate the possible breakdown rate of the equipment that may cause its action according to following formula (3) according to protective nature for each relevant protection of possible breakdown equipment concentrating equipment:
P d ( i ) = Σ j = 1 N P p ( j ) - - - ( 3 )
Wherein, P pThe probability of the equipment breakdown of diagnosing out for certain protection, N are the everything protection of equipment i;
S35: the element to possibility accident equipment is concentrated, calculate according to above step.Arrange according to the possible rate of failure order from big to small of equipment then, obtain and the maximally related equipment of this accident, handle to notify the attendant.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (6)

1. the method for the integrated and data processing of an insulation on-line monitoring system of substation is characterized in that, may further comprise the steps:
Adopt local monitor layer, stand end key-course and remote monitoring management level operate, wherein, local monitor layer comprises several local intelligent monitoring field units, the end key-course of standing comprises several station end central manage-ment unit, and the remote monitoring management level comprise several monitoring management terminals and a data processing server;
In the described local intelligent monitoring means each comprises: capacitive apparatus insulated on-line monitoring subsystem, the transformer insulated on-line monitoring subsystem, lightning arrester insulation on-line monitoring subsystem, circuit-breaker status on-line monitoring subsystem, substation on-line monitoring subsystem, above-mentioned each monitoring subsystem all comprises transducer and two parts of signal processing unit, the status data of the target device at sensor acquisition scene, signal processing unit carries out preliminary treatment to state parameter, wherein, the status data of the target device of the sensor acquisition of described capacitive apparatus insulated on-line monitoring subsystem comprises: end screen electric current, dielectric loss, equivalent capacitance; The status data of the target device of the sensor acquisition of described transformer insulated on-line monitoring subsystem comprises: system's three-phase voltage, harmonic voltage, system frequency, iron core grounding current; The status data of the target device of the sensor acquisition of described lightning arrester insulation on-line monitoring subsystem comprises: leakage current, current in resistance property, capacity current; The status data of the target device of the sensor acquisition of described circuit-breaker status on-line monitoring subsystem comprises: the operate condition of the contact head abrasive loss of the operate time of three-phase current, switch, the action frequency of accumulative total, every phase and the contact head abrasive loss of accumulative total, residual electricity life-span, switch auxiliary contact, the three-phase load in the switch motion moment and short circuit current waveform, divide-shut brake coil current waveform, mechanical oscillation waveform, energy storage motor are suppressed constantly, energy storage time; The status data of the target device of the sensor acquisition of described substation on-line monitoring subsystem comprises: ambient temperature, ambient humidity, porcelain patticoat surface filth electric current;
In the end central manage-ment unit of described station each comprises: the end data processing module of standing, stand and hold communication module, the data that the end data processing module of standing is handled comprise: monitoring means operating state data in standing, control command, the end communication module of standing comprises: the RS-485 interface, RS-232 interface, USB interface, the CAN bus interface, and, RS-485, RS-232 interface, USB interface the communicating by letter of end central manage-ment unit and its local intelligent monitoring means of administering of being responsible for standing, CAN bus interface the communicating by letter of end central manage-ment unit and its affiliated data processing server of being responsible for standing;
Described data processing server comprises: integrated data processing module, server com-munication module, wherein, the handled data of integrated data processing module comprise: telemetry, remote signalling data, alert data, operating data, casualty data and safety on line are analyzed data, server com-munication module comprises: CAN bus interface, Internet network interface, wherein, the CAN bus interface is responsible for holding communicating by letter of central manage-ment unit with the station, the Internet network interface is responsible for being connected to local area network (LAN) or internet, to realize and the communicating by letter of monitoring management terminal;
For the telemetry that described data processing server receives, handle to eliminate measurement noise by median; And, when data processing server when receiving a large amount of alert datas record, carries out clustering processing according to time, state and the voltage levvl of reporting to the police to alert data with interior in the short time; And the casualty data for data processing server is received by calculating the possible breakdown rate of the equipment that may cause its action, obtains the priority of corresponding accident.
2. the method for the integrated and data processing of insulation on-line monitoring system of substation according to claim 1, it is characterized in that, the process that the signal processing unit of described circuit breaker on-line monitoring subsystem calculates the electric life of circuit breaker comprises: according to the computing formula of I-N curve fit, press single drop-out current accumulative total contact head abrasive loss, when calculating drop-out current, according to auxiliary contact and drop-out current waveform, calculate the arcing time, with quantitative calculating accumulative total contact head abrasive loss.
3. the method for the integrated and data processing of insulation on-line monitoring system of substation according to claim 1, it is characterized in that, the process that the signal processing unit of described capacitive apparatus on-line monitoring subsystem calculates the capacitive apparatus parameter comprises: at first adopt Fourier transform, obtain the amplitude and the phase data of end screen electric current, and then relatively the amplitude of end screen electric current and phase place and with the phase difference of reference source, obtaining required electric current, dielectric loss, and current in resistance property.
4. the method for the integrated and data processing of insulation on-line monitoring system of substation according to claim 1 is characterized in that, the telemetry that described data processing server receives can be handled by median and eliminate its measurement noise.
5. the method for the integrated and data processing of insulation on-line monitoring system of substation according to claim 1, it is characterized in that, when the alert data that described data processing server receives at short notice is too much, alert data is carried out clustering processing according to time, state and the voltage levvl of reporting to the police.
6. the method for the integrated and data processing of insulation on-line monitoring system of substation according to claim 1, it is characterized in that, the casualty data that described data processing server is received is by calculating the possible breakdown rate of the equipment that may cause its action, to obtain the priority of corresponding accident.
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Cited By (11)

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CN102636710A (en) * 2012-03-31 2012-08-15 上海市电力公司 Online monitoring system of high-voltage equipment
CN102721920A (en) * 2012-06-29 2012-10-10 沈阳工业大学 Prediction device and method for remaining life of operating mechanism of circuit breaker
CN102998521A (en) * 2012-10-11 2013-03-27 苏州爱知电机有限公司 Ground-current remote monitor for transformer cores
CN103645397A (en) * 2013-11-26 2014-03-19 武汉艾尔通电气有限公司 High-voltage equipment online monitoring system and method
CN104269919A (en) * 2014-08-01 2015-01-07 云南电力试验研究院(集团)有限公司电力研究院 Circuit breaker operating mechanism monitoring system and method
CN105021888A (en) * 2015-07-06 2015-11-04 广州供电局有限公司 Harmonic wave data monitoring method based on data clustering
CN105182127A (en) * 2015-09-09 2015-12-23 成都比善科技开发有限公司 Online monitoring method of substation online monitoring system
CN105606933A (en) * 2016-01-13 2016-05-25 中国南方电网有限责任公司超高压输电公司 Vibration-noise-based on-line monitoring system of converter transformer
CN106451779A (en) * 2016-10-26 2017-02-22 国家电网公司 Substation transformer operation parameter collecting device
CN107219418A (en) * 2017-05-25 2017-09-29 国家电网公司 A kind of power distribution network monitoring running state terminal
CN110879352A (en) * 2019-11-25 2020-03-13 广州供电局有限公司 Remote monitoring system, method and device for pressing state of switch energy storage mechanism

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102636710A (en) * 2012-03-31 2012-08-15 上海市电力公司 Online monitoring system of high-voltage equipment
CN102721920A (en) * 2012-06-29 2012-10-10 沈阳工业大学 Prediction device and method for remaining life of operating mechanism of circuit breaker
CN102998521A (en) * 2012-10-11 2013-03-27 苏州爱知电机有限公司 Ground-current remote monitor for transformer cores
CN103645397A (en) * 2013-11-26 2014-03-19 武汉艾尔通电气有限公司 High-voltage equipment online monitoring system and method
CN104269919B (en) * 2014-08-01 2017-05-10 云南电力试验研究院(集团)有限公司电力研究院 Circuit breaker operating mechanism monitoring system and method
CN104269919A (en) * 2014-08-01 2015-01-07 云南电力试验研究院(集团)有限公司电力研究院 Circuit breaker operating mechanism monitoring system and method
CN105021888A (en) * 2015-07-06 2015-11-04 广州供电局有限公司 Harmonic wave data monitoring method based on data clustering
CN105021888B (en) * 2015-07-06 2018-09-18 广州供电局有限公司 Harmonic data monitoring method based on data clusters
CN105182127A (en) * 2015-09-09 2015-12-23 成都比善科技开发有限公司 Online monitoring method of substation online monitoring system
CN105606933A (en) * 2016-01-13 2016-05-25 中国南方电网有限责任公司超高压输电公司 Vibration-noise-based on-line monitoring system of converter transformer
CN106451779A (en) * 2016-10-26 2017-02-22 国家电网公司 Substation transformer operation parameter collecting device
CN107219418A (en) * 2017-05-25 2017-09-29 国家电网公司 A kind of power distribution network monitoring running state terminal
CN107219418B (en) * 2017-05-25 2019-06-18 国家电网公司 A kind of power distribution network monitoring running state terminal
CN110879352A (en) * 2019-11-25 2020-03-13 广州供电局有限公司 Remote monitoring system, method and device for pressing state of switch energy storage mechanism

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