CN104280647A - High-voltage transformer resonance early warning method and device - Google Patents
High-voltage transformer resonance early warning method and device Download PDFInfo
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Abstract
The invention discloses a high-voltage transformer resonance early warning method. The high-voltage transformer resonance early warning method comprises the steps that according to the obtained voltage output by a high-voltage transformer and the obtained current signals output by the high-voltage transformer, the value of a fundamental wave, the value of each harmonic wave and the value of each inter-harmonic are obtained through calculation; the value of one of the fundamental wave, each harmonic wave and each inter-harmonic is selected as an early warning comparison value; whether the early warning comparison value is larger than a preset value matched with the early warning comparison value is judged, and if yes, a warning signal is output to a first warning system through a wireless signal transceiver. In this way, even if a user is not on the work site of the high-voltage transformer, when the high-voltage transformer does not normally work, the user can obtain warning information from the first warning system.
Description
Technical field
The present invention relates to a transformer equipment detection technique field, particularly relate to a kind of high-tension transformer resonance method for early warning and device.
Background technology
High-tension transformer can cause transformer to occur very large abnormal sound when there is resonance in operational process, and generation continuously shakes, and cause interior wave recording device frequent starting of standing, waveform distorts.If resonance frequently occurs, by the phenomenon causing transformer to occur premature aging or operation troubles, huge loss is caused to electric system.Meanwhile, simultaneously along with the development of power technology, being used widely of following intelligent substation, unattended operation transformer station, therefore the resonance problems of high-tension transformer becomes and becomes increasingly conspicuous.Therefore, how in unattended situation, staff also can learn that the resonance conditions of high-tension transformer becomes one of this area technical matters urgently to be resolved hurrily.
Summary of the invention
Be directed to the problems referred to above, this application discloses a kind of high-tension transformer resonance method for early warning and device.
A kind of high-tension transformer resonance method for early warning, comprising:
The voltage and current signal exported according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
Judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the first warning system outputting alarm signal.
Preferably, in above-mentioned high-tension transformer resonance method for early warning, describedly judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the first warning system outputting alarm signal, comprising:
Judge whether described early warning fiducial value is greater than the 3rd preset value mated with it, if, the 3rd alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the second preset value mated with it, if, the second alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the first preset value mated with it, if so, the first alarm signal is exported by wireless signal transceiver or cable to the first warning system.
Preferably, in above-mentioned high-tension transformer resonance method for early warning, the voltage and current signal that the high-tension transformer that described foundation gets exports calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, comprising:
The voltage and current signal exported according to the high-tension transformer that gets calculates first-harmonic, each harmonic within 63 times, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
A kind of high-tension transformer resonance method for early warning, comprising:
The voltage and current signal exported according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, and the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer according to high-tension transformer;
Select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value;
Judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Preferably, in above-mentioned high-tension transformer resonance method for early warning, judge whether described multiple early warning fiducial value is greater than the preset value mated with it, if, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value, comprising:
First judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if, the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, secondly, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the second preset value mated with it, if, the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the first preset value mated with it again, if, the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver or cable to the second warning system and mate with it.
Preferably, in above-mentioned high-tension transformer resonance method for early warning, the voltage and current signal of multiple high-tension transformers outputs that foundation gets calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, comprising:
The voltage and current signal exported according to the multiple high-tension transformers got calculates the first-harmonic of each group of high-tension transformer, each harmonic within 63 times respectively, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
A kind of high-tension transformer resonance prior-warning device, comprising:
Collector, first processor and the first warning system;
Described collector is used for, and gathers the voltage and current signal that high-tension transformer exports, described voltage and current signal is sent to first processor;
Described first processor, the voltage and current signal for exporting according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; Judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the first warning system outputting alarm signal;
Described first warning system, for performing alarm action according to described alarm signal.
Preferably, in above-mentioned high-tension transformer resonance prior-warning device, first processor is the value for calculating first-harmonic, each harmonic and m-Acetyl chlorophosphonazo according to the voltage and current signal of the high-tension transformer output got, by selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, judge whether described early warning fiducial value is greater than the 3rd preset value mated with it, if, the 3rd alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the second preset value mated with it, if, the second alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the first preset value mated with it, if, the first processor of the first alarm signal is exported to the first warning system by wireless signal transceiver or cable.
A kind of high-tension transformer resonance prior-warning device, comprising:
Second processor and the second warning system and multiple collector;
Described multiple collector is connected with multiple high-tension transformer one_to_one corresponding, for gathering the voltage and current signal that high-tension transformer exports, described voltage and current signal is sent to the second processor;
Described second processor, voltage and current signal for exporting according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, and the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer according to high-tension transformer; Select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value; Judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Described second warning system, for performing alarm action according to described alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Preferably, in above-mentioned high-tension transformer resonance prior-warning device, described second controller is the value for calculating first-harmonic, each harmonic and m-Acetyl chlorophosphonazo according to the voltage and current signal of the high-tension transformer output got, by described first-harmonic, select the value of a ripple as after early warning fiducial value in the value of each harmonic and m-Acetyl chlorophosphonazo, first judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if, the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, secondly, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the second preset value mated with it, if, the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the first preset value mated with it again, if, the second controller of the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver or cable to the second warning system and mate with it.
Visible see high-tension transformer resonance method for early warning disclosed in the above embodiments of the present application, said method is by comparing described early warning fiducial value and described preset value, whether automatic decision high-tension transformer is operated in abnormal operating state, when described early warning fiducial value is greater than described preset value, show that described high voltage converter is operated in abnomal condition, now by wireless signal transceiver or cable to the first warning system outputting alarm signal.Therefore, even if user is not in described high-tension transformer working site, when described high-tension transformer non-normal working, also described warning information can be got by described first warning system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The process flow diagram of Fig. 1 a kind of high-tension transformer resonance method for early warning disclosed in the embodiment of the present application;
Fig. 2 is the detail flowchart of the high-tension transformer resonance method for early warning of the application Fig. 1;
The process flow diagram of Fig. 3 a kind of high-tension transformer resonance method for early warning disclosed in the another embodiment of the application;
Fig. 4 is the detail flowchart of the high-tension transformer resonance method for early warning of the application Fig. 3;
The structural drawing of Fig. 5 high-tension transformer resonance prior-warning device disclosed in the embodiment of the present application;
The structural drawing of Fig. 6 high-tension transformer resonance early warning disclosed in another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The process flow diagram of Fig. 1 high-tension transformer resonance method for early warning disclosed in the embodiment of the present application.
See Fig. 1, disclosed in the present embodiment, high-tension transformer resonance method for early warning comprises:
Step S101: the voltage and current signal exported according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
Step S102: by selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
Step S103: judge whether described early warning fiducial value is greater than the preset value mated with it, if so, performs step S104;
Step S104: by wireless signal transceiver or cable to the first warning system outputting alarm signal.
Certainly described above also can be by cable to described first warning system outputting alarm signal by wireless signal transceiver to the first warning system outputting alarm signal, and the application does not limit the particular type of alarm signal transmission.
Visible see high-tension transformer resonance method for early warning disclosed in the above embodiments of the present application, said method is by comparing described early warning fiducial value and described preset value, whether automatic decision high-tension transformer is operated in abnormal operating state, when described early warning fiducial value is greater than described preset value, show that described high voltage converter is operated in abnomal condition, now by wireless signal transceiver to the first warning system outputting alarm signal.Therefore, even if user is not in described high-tension transformer working site, when described high-tension transformer non-normal working, also described warning information can be got by described first warning system.
Be understandable that, in said method when the voltage and current signal exported according to described high-tension transformer calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, can obtain by adopting fourier transform method to process described voltage and current signal.
Be understandable that, in the application's said method, when determining early warning fiducial value, user can determine according to preset rules, such as, the value choosing second harmonic as the value of early warning fiducial value or third harmonic as early warning fiducial value etc., user also can select voluntarily, and, the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo all exists and its preset value one to one, described preset value obtains little can setting according to user's request, and when the requirement of user to high-tension transformer is higher, it is relatively low that described preset value can set.
Conveniently user can obtain the order of severity of described high-tension transformer operation troubles more intuitively, see Fig. 2, the application above-mentioned steps S103 and 104 specifically can comprise:
Step S1031: judge whether described early warning fiducial value is greater than the 3rd preset value mated with it, if so, performs step S1041, otherwise, perform step S1032;
Step S1032: judge whether described early warning fiducial value is greater than the second preset value mated with it, if so, performs step S1042, otherwise, perform step S1033;
Step S1033: judge whether described early warning fiducial value is greater than the first preset value mated with it, if so, performs step S1043;
Step S1041: export the 3rd alarm signal to the first warning system by wireless signal transceiver;
Step S1042: export the second alarm signal to the first warning system by wireless signal transceiver;
Step S1043: export the first alarm signal to the first warning system by wireless signal transceiver.
Be understandable that, in the above embodiments of the present application, the fault level of described high-tension transformer is divided into Three Estate, fault level corresponding to described 3rd alarm signal is the most serious, fault level corresponding to described first alarm signal is the slightest, certain user also can be set to the fault level of other quantity as required, need not enumerate at this.
Be understandable that, technical scheme in the above embodiments of the present application, at calculating first-harmonic, each harmonic, and during the value of m-Acetyl chlorophosphonazo, can need to calculate according to user, the voltage and current signal that such as, can export according to the high-tension transformer that gets in the application's technique scheme calculates first-harmonic, each harmonic within 63 times, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
Be understandable that, in order to can monitor the running state information of multiple high-tension transformer simultaneously, disclosed herein as well is a kind of can simultaneously to the method monitored individual high-tension transformer:
See Fig. 3, the method comprises:
Step S201: the voltage and current signal of multiple high-tension transformers outputs that foundation gets calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively;
Step S202: according to the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer of high-tension transformer;
Step S203: select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value;
Step S204: judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, performs step S205;
Step S205: by wireless signal transceiver to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Visible, in technical scheme in the above embodiments of the present application, can monitor multiple high-tension transformer simultaneously, when wherein certain or multiple high-tension transformer breaks down time, the described address information of high-tension transformer namely sending alarm signal and break down, enables user first be the newly-built position knowing the high-tension transformer broken down.
Certainly, when monitoring above-mentioned multiple high-tension transformer, also grade can be adopted to divide to the operation troubles of described high-tension transformer, concrete, see Fig. 4, above-mentioned steps S204 and step S205 can comprise:
Step S2041: judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if so, performs step S2051, otherwise performs step S2042;
Step S2042: judge whether there is the early warning fiducial value being greater than the second preset value mated with it in remaining early warning fiducial value, if so, performs step S2052, otherwise performs step S2043;
Step S2043: judge whether there is the early warning fiducial value being greater than the first preset value mated with it in remaining early warning fiducial value, if so, performs step S2053;
Step S2051: export the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value to the second warning system by wireless signal transceiver;
Step S2052: export the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value to the second warning system by wireless signal transceiver;
Step S2053: the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver to the second warning system and mate with it.
Be understandable that, identical with the technical scheme in above-described embodiment, the voltage and current signal that also can export according to the multiple high-tension transformers got calculates the first-harmonic of each group of high-tension transformer, each harmonic within 63 times respectively, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
Be understandable that, corresponding with said method, disclosed herein as well is a kind of high-tension transformer resonance prior-warning device, for monitoring a high-tension transformer, see Fig. 5, this device comprises:
Collector 1, first processor 2 and the first warning system 3;
Described collector 1 for, gather high-tension transformer export voltage and current signal, described voltage and current signal is sent to first processor 2;
Described first processor 2, the voltage and current signal for exporting according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; Judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the first warning system outputting alarm signal;
Described first warning system 3, for performing alarm action according to described alarm signal.
Be understandable that, described first processor can be made up of data processor and resonance determining device, described data processor, and the voltage and current signal for exporting according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; Whether described resonance determining device, be greater than the preset value mated with it, if so, by wireless signal transceiver to the first warning system outputting alarm signal for disconnected described early warning fiducial value.
Be understandable that, conveniently combine, expand and redundancy setting, adopt many motherboard design mode when circuit board is arranged, the corresponding one piece of mainboard of each functional module, adopts inserter structure.
Be understandable that, conveniently user is clear checks described failure message intuitively, and described first warning system in all embodiments of the application can adopt large screen color liquid crystal to show warning information and accompany by sound alarm simultaneously.
Be understandable that, in order to improve the transmission range of described alarm signal further, the described alarm signal in the above embodiments of the present application can adopt ethernet communication.
It is appreciated of course that, conveniently user reads the historical operational information of transformer, so that follow-up, failure cause is added up, in device in all embodiments of the application, storer can also be provided with, for storing the value of all first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that calculate, and comparative structure.
Certainly, be understandable that, be directed to said method, disclosed herein as well is a kind of can simultaneously to the high-tension transformer resonance prior-warning device that multiple high-tension transformer is monitored, see Fig. 6, this high-tension transformer resonance prior-warning device comprises:
Second processor 4 and the second warning system 5 and multiple collector 1;
Described multiple collector 1 is connected with multiple high-tension transformer one_to_one corresponding, for gathering the voltage and current signal that high-tension transformer exports, described voltage and current signal is sent to the second processor;
Described second processor 4, voltage and current signal for exporting according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, and the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer according to high-tension transformer; Select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value; Judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the second warning system 5 outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Described second warning system 5, for performing alarm action according to described alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
Be understandable that, in order to distinguish the fault level of above-mentioned multiple high-tension transformer, the voltage and current signal that can be specially for exporting according to the high-tension transformer got of the described second controller 4 in the above embodiments of the present application calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, by described first-harmonic, select the value of a ripple as after early warning fiducial value in the value of each harmonic and m-Acetyl chlorophosphonazo, first judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if, the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver, secondly, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the second preset value mated with it, if, the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the first preset value mated with it again, if, the second controller of the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver to the second warning system and mate with it.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a high-tension transformer resonance method for early warning, is characterized in that, comprising:
The voltage and current signal exported according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo;
Judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver to the first warning system outputting alarm signal.
2. high-tension transformer resonance method for early warning according to claim 1, it is characterized in that, describedly judge whether described early warning fiducial value is greater than the preset value mated with it, if, by wireless signal transceiver or cable to the first warning system outputting alarm signal, comprising:
Judge whether described early warning fiducial value is greater than the 3rd preset value mated with it, if, the 3rd alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the second preset value mated with it, if, the second alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the first preset value mated with it, if so, the first alarm signal is exported by wireless signal transceiver or cable to the first warning system.
3. high-tension transformer resonance method for early warning according to claim 1, is characterized in that, the voltage and current signal that the high-tension transformer that described foundation gets exports calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, comprising:
The voltage and current signal exported according to the high-tension transformer that gets calculates first-harmonic, each harmonic within 63 times, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
4. a high-tension transformer resonance method for early warning, is characterized in that, comprising:
The voltage and current signal exported according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, and the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer according to high-tension transformer;
Select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value;
Judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
5. high-tension transformer resonance method for early warning according to claim 4, it is characterized in that, judge whether described multiple early warning fiducial value is greater than the preset value mated with it, if, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value, comprising:
First judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if, the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, secondly, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the second preset value mated with it, if, the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the first preset value mated with it again, if, the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver or cable to the second warning system and mate with it.
6. high-tension transformer resonance method for early warning according to claim 4, it is characterized in that, the voltage and current signal exported according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, comprising:
The voltage and current signal exported according to the multiple high-tension transformers got calculates the first-harmonic of each group of high-tension transformer, each harmonic within 63 times respectively, and 5,10,15,20,25,30,35,40, the value of each the m-Acetyl chlorophosphonazo of 45Hz.
7. a high-tension transformer resonance prior-warning device, is characterized in that, comprising:
Collector, first processor and the first warning system;
Described collector is used for, and gathers the voltage and current signal that high-tension transformer exports, described voltage and current signal is sent to first processor;
Described first processor, the voltage and current signal for exporting according to the high-tension transformer got calculates the value of first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; By selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo; Judge whether described early warning fiducial value is greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the first warning system outputting alarm signal;
Described first warning system, for performing alarm action according to described alarm signal.
8. high-tension transformer resonance prior-warning device according to claim 7, is characterized in that, first processor is the value for calculating first-harmonic, each harmonic and m-Acetyl chlorophosphonazo according to the voltage and current signal of the high-tension transformer output got, by selecting the value of a ripple as early warning fiducial value in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo, judge whether described early warning fiducial value is greater than the 3rd preset value mated with it, if, the 3rd alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the second preset value mated with it, if, the second alarm signal is exported to the first warning system by wireless signal transceiver or cable, otherwise, judge whether described early warning fiducial value is greater than the first preset value mated with it, if, the first processor of the first alarm signal is exported to the first warning system by wireless signal transceiver or cable.
9. a high-tension transformer resonance prior-warning device, is characterized in that, comprising:
Second processor and the second warning system and multiple collector;
Described multiple collector is connected with multiple high-tension transformer one_to_one corresponding, for gathering the voltage and current signal that high-tension transformer exports, described voltage and current signal is sent to the second processor;
Described second processor, voltage and current signal for exporting according to the multiple high-tension transformers got calculates the value of the first-harmonic of each group of high-tension transformer, each harmonic and m-Acetyl chlorophosphonazo respectively, and the value tag address information of address information pair first-harmonic, each harmonic and the m-Acetyl chlorophosphonazo that mate with described high-tension transformer according to high-tension transformer; Select the value often organizing same ripple in the value of described first-harmonic, each harmonic and m-Acetyl chlorophosphonazo as early warning fiducial value; Judge whether described multiple early warning fiducial value exists the early warning fiducial value being greater than the preset value mated with it, if so, by wireless signal transceiver or cable to the second warning system outputting alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value;
Described second warning system, for performing alarm action according to described alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value.
10. high-tension transformer resonance prior-warning device according to claim 9, is characterized in that, described second controller is the value for calculating first-harmonic, each harmonic and m-Acetyl chlorophosphonazo according to the voltage and current signal of the high-tension transformer output got, by described first-harmonic, select the value of a ripple as after early warning fiducial value in the value of each harmonic and m-Acetyl chlorophosphonazo, first judge whether to exist the multiple early warning fiducial values being greater than the 3rd preset value mated with it, if, the 3rd alarm signal and the address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, secondly, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the second preset value mated with it, if, the second alarm signal address information corresponding with the described early warning fiducial value being greater than described preset value is exported to the second warning system by wireless signal transceiver or cable, judge in remaining early warning fiducial value, whether to there is the early warning fiducial value being greater than the first preset value mated with it again, if, the second controller of the early warning fiducial value of the second preset value exporting the first alarm signal by wireless signal transceiver or cable to the second warning system and mate with it.
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