PARTIAL DISCHARGE MEASUREMENT DEVICE AND METHOD OF SAME

Hereinafter one embodiment of the present invention in:an partial discharge measurement device and attached to the method in reference to a drawing. rapidly and to reduce a memory. During this process drawing or components thickness of the line shown in of sizes, etc. for the sake of convenience and intelligibility of the description is illustrated exaggerated may be proposed. Furthermore, function in a the present invention refers to a terms are terms is defined in consideration of the user that is, operating's intended can be changed as usual or. Therefore, such the present definitions for terms throughout the specification based on recorded contents of. to be lowered.

Figure 1 shows a one embodiment of the present invention also: an partial discharge measurement device is functional blocks of.

One embodiment of the present invention with a 1 also: an partial discharge measurement device the filter unit (100), signal output (200) and a determination portion (300) includes.

Filter unit (100) a measurement from the target a voltage signal being applied for filtering a.

Specifically, the present embodiment: an partial discharge measurement (Partial Discharge) partial discharge of power transmission cable underground a device for measuring the, partial discharge measurement object the earth power transmission cable itself or by terminating the bypass using virtual vocoder of power transmission cable underground (Terminal Joint Box), by terminating the gas, is formed on the intermediate insulation power guard relay make use (Insulation Joint Box) includes or the like.

Just, the present embodiment adjusts the limited to relate aforementioned connection of the door frame to be not to be used in measuring partial discharge. also is measured.

In particular, the present in the embodiment in filter unit (100) stores a predetermined signal a voltage that exceeds reference frequencies including capacitor portion, and an antenna having high frequencies by passing the compressed gas through the effective only partial discharge signal, the NC. remove other alien.

I.e., the impedance of the capacitor 1 / (2 *π* f*C) as, low frequency connected impedance signal is inputted, provide an Image signal is inputted impedance because the predefined criterion frequency exceeds a, selectively pass the only signals which can be taken away.

At this time, conventional reference frequency to the frequency of a partial discharge signal can be setting, limited to measurement object and adjusts the partial discharge is setting various of noise component..

I.e., the present in the embodiment a measuring a pressed part are discharge signal according to characteristics of band measurement of the filter unit (100) filtering area can be setting various.

In particular, the present in the embodiment in filter unit (100) the number 1 filter (110) and number 2 filter (130) includes, number 1 filter (110) and a number 2 filter (130) refers to the signal output (200) the cross sections of both ends of may be connected to in series.

Also Figure 2 shows a one embodiment of the present invention: an partial discharge measurement device is equivalent circuit.

Also as shown in 2, number 1 filter (100) and a number 2 filter (130) one end of the by an object to be measured and being linked with each other, number 1 filter (110) and a number 2 filter (130) of the signal output of another (200) that is connected in series with and the cross sections of both ends of.. Therefore, signal output (200) based on both ends of refers to judging section (300) the partially. can determine that the discharge is generated.

Signal output (200) to the filter unit (100) is filtered via an corresponding to a voltage signal outputs the a signal.

I.e., establishing an optical fiber at a side filter unit (100) is the measurement object has signals matched band partial discharge head, the light detector detects passes, signal output (200) the filtered corresponding to a voltage signal by receiving the power of a refers to judging section (300) is able to determine that partial discharge is outputs a relay driving signal..

As such, signal output (200) to the filter unit (100) and is communicated is filtered via an a signal judgment section (300) is determination is of a removable type should outputted from the electrical signal, a voltage signal to a filtered specifically for converting a signal output unit (200) of a pair of coils that longitudinally (210), capacitor (230) and electromagnetic waves and an antenna module representative area suitable for the data is (250) can be include at least.

Figure 3 shows a one embodiment of the present invention also: an partial discharge measurement device signal output representing various examples of. surface thereof, and the. In particular, of the present invention filter unit (100) a longitudinal power guard relay make use of connection material a high voltage in the high voltage as a filter, signal output (200), judgment units (300) from the high voltage protection performs, which also serves to.

A pair of coil of Figure 3 (A) is configured a signal output unit (200) and indicative of the drawing, consisting of a capacitor of Figure 3 (B) a signal output unit (200) and indicative of the drawing, constructed from antenna of Figure 3 (C) a signal output unit (200) is indicative of the drawing.

Of Figure 3 (A) refers to surface, number 1 filter (110) one end of filter number 2 (130) one end of each of a pair of coil (210) during one coil (210a) is connected to both ends of.

Thus a pair of coils that (210) during filter number 1 (110) and a number 2 filter (130) is connected the coil not (210b) according to the circuit to prevent an said coil (210a) due to signal inputted to the induction signal is occurs.

And refers to judging section (300) the coil (210b) based on a signal outputted from the a. can determine that the discharge is generated.

Of Figure 3 (B) refers to surface, number 1 filter (110) one end of filter number 2 (130) each one end of the capacitor (230) is connected to both ends of.

At this time, filter number 1 establishing an optical fiber at a side (110) and a number 2 filter (130) also may be formed capacitor, filter number 1 (110) and a number 2 filter (130) generates a reference frequency does not exceed must decide high voltage through an address pin.

Thus number 1 filter (110) and a number 2 filter (130) the capacitor (230) is relatively more than variable capacitor are operated at high voltage should selected.

And refers to judging section (300) the capacitor (230) voltage signal filled with both ends of partial discharge based on the resonance detection unit detects a may determine the.

Of Figure 3 (C) refers to surface, number 1 filter (110) one end of filter number 2 (130) signal one end of each antenna module (250) is output both ends of.

And antenna module (250) the number 1 filter (110) and a number 2 filter (130) respectively outputted from an electromagnetic wave with adjacent to the Bulletin window of Figure 3 (C) as shown in an antenna having a dual pattern may be formed as. At this time, a dual pattern can be are configured in the form of substrate.

As such antenna module (250) the number 1 filter (110) and a number 2 filter (130) an output warps a corresponding thereto respectively and output signals since the, refers to judging section (300) has an antenna module (250) based on a signal outputted from the a. can determine that the discharge is generated.

Judging section (300) a signal output unit (200) being output across the, and based on a signal is judged at the resonance detection unit detects a partial discharge.

Specifically judging section (300) a signal output unit (200) least one output according to wherein the various signals which reflect a. can determine that the discharge is generated.

I.e., establishing an optical fiber at a side judging section (300) a signal output unit (200) according to least one, output induction signal, that the product that is being charged voltage signal according to other vehicle detection signal and electromagnetic waves and the resonance detection unit detects a partial discharge may determine the.

Just, during partial discharge measurement object, during partial discharge signal be charged/discharged internally in a microscopically fine amount only external propagate through to which there may be the object to be positioned can be, at this time a partial discharge measurement and decisive sequin dispensers may be mounted side-repetition of may be proposed.

To solve this problem, the present in the embodiment in judging section (300) a signal output unit (200) at both ends of the differential signal of the signal being output based on is judged at the resonance detection unit detects a partial discharge.

I.e., power guard relay make use of power transmission cable underground be charged/discharged internally in a:an embodiment the present partial discharge signal number 1 filter (110) and a number 2 filter (130) is applied which has a polarity opposite to each other and having extended service.

Judged part (300) the number 1 filter (110) is filtered via an output signal (200) signal inputted to the and, number 2 filter (130) is filtered via an output signal (200) for signals to be input into a arithmetic process, thereby, having an effect amplified may yield an signal.

Therefore, or more if there is a single-polarity signal than on the basis of the post-processing a portion corresponding to a times 2 thus can discharge signal emitted, partial discharge the resonance detection unit detects to improve accuracy in can be.

Furthermore, high voltage signals to be applied from measurement object does not break even in a case of a low aforementioned in such in the embodiment to the filter unit (100) and a signal output (200) door has insulator as shown in 3 (400) can be internal molded layer is removed therefrom.

Together, the present embodiment: an partial discharge measurement device a underground power guard relay make use of a variety of power transmission cable barrel is by laminating or powder coating both ends and adjusting tongs allows for mounted out including manner, such as a splice unit can be constructed.

In this case, the aforementioned number 1 filter (110) and a number 2 filter (130) both ends of output the busy signal (200) is connected to and adjusting tongs having at one of its ends a not may be is in the unit is.

Figure 4 shows a one embodiment of the present invention also: an partial discharge measurement device by terminating the bypass using virtual vocoder transmission constitution which is applicable to, in this WIPO surface thereof, and the..

The present embodiment: an partial discharge measurement device by terminating the bypass using virtual vocoder transmission constitution applied to surfaces of a example, as shown in also 4 partial discharge measurement device (Z) has the main terminating the connected across the (I) magnetic ceramic of a connection the generated by partial discharge in inner portion. (PD).

Also Figure 5 shows a partial discharge measurement in accordance with one embodiment of the present invention implementation of method is flow procedures described process.

Also by referring to 5, one embodiment of the present invention: an partial discharge measurement method implementation of surfaces of a process, first filter unit (100) a measurement from the target a voltage signal being applied for filtering a (S10).

Specifically, the present in the embodiment measured at from the target applied signal among, high frequencies having passing the compressed gas through the effective only partial discharge signal that allows remove other alien, filter unit (100) stores a predetermined signal a voltage that exceeds reference frequencies portion, and an antenna may comprise an capacitor.

I.e., the impedance of the capacitor 1 / (2 *π* f*C) as, low frequency connected impedance signal is inputted, provide an Image signal is inputted impedance because the predefined criterion frequency exceeds a, selectively pass the only signals which can be taken away.

Furthermore, filter unit (100) a signal output unit (200) the first valve is disposed both ends of filter number 1 (110) and number 2 filter (130) may comprise in this case the above mentioned step (S10), number 1 filter (110) and a number 2 filter (130) determined by means of the from the target a voltage signal being applied can be for filtering.

And signal output (200) to the filter unit (100) is filtered via an corresponding to a voltage signal outputs the a signal (S20).

I.e., establishing an optical fiber at a side filter unit (100) is the measurement object has signals matched band partial discharge head, the light detector detects passes, signal output (200) the filtered corresponding to a voltage signal by receiving the power of a refers to judging section (300) is able to determine that partial discharge is outputs a relay driving signal..

As such, signal output (200) to the filter unit (100) and is communicated is filtered via an a signal judgment section (300) is determination is of a removable type should outputted from the electrical signal, a voltage signal to a filtered specifically for converting a signal output unit (200) of a pair of coils that longitudinally (210), capacitor (230) and electromagnetic waves and an antenna module representative area suitable for the data is (250) can be include at least.

Then judging section (300) a signal output unit (200) being output across the partial discharge, and based on a signal the resonance detection unit detects a when associated information exists, the information, in the embodiment the present in particular in judging section (300) a signal output unit (200) at both ends of the frequencies and a difference signal of the signal being output based a. can determine that the discharge is generated.

Therefore, judgment section (300) has a hollow signal output (200) at both ends of the differential signal of the signal being output which it is (S30), said operation differential signal based on the resonance detection unit detects a partial discharge is judged at (S40).

I.e., partial discharge measurement object in the be charged/discharged internally in a during partial discharge signal fine positive propagated to the measurement object may be, at this time a partial discharge measurement and decisive sequin dispensers may be mounted side-repetition of may be proposed.

Therefore, the present in the embodiment in judging section (300) a signal output unit (200) at both ends of the differential signal of the signal being output based on is judged at the resonance detection unit detects a partial discharge.

According to the present embodiment, located within the interior region insulator by means of separated signal filter part with at measured signal generated by partial discharge in a subject by measuring the, partial discharge signal a measure for the and can improve sensitivity.

Furthermore, the present embodiment relate phone on an output side of the signal output for signals to be differential signal measured using a signal in a subject by increasing the strength of, for on a determination of partial discharge can be to enhance the accuracy.

Shown in the present invention refers to drawing with reference to thereby, the cold air flows but described embodiment, is an exemplary which purpose: to avoid a typically encountered in is in the field of the state of the art having knowledge of various modifications therefrom grow for other and equalization embodiment styles are discussed that will understand. Therefore, technical true scope of protection of the present invention is decided by the claim below will should be.