KR20170140949A - Thermal diagnosis apparatus for distributing board - Google Patents

Abstract

The present invention provides an apparatus for diagnosing a temperature of a distribution board which includes: a load collecting unit for collecting a usage load amount of the distribution board; a temperature collecting unit for collecting first to third phase bus bar temperatures measured in each of first to third bus bars of the distribution board; a temperature setting unit for variably setting first to third phase inter-phase reference temperatures and first to third phase bus bar reference temperatures set according to the usage load amount; and a control unit for outputting an alarm set by diagnosing a risk degree of the distribution board according to a comparison result of the first to third phase inter-phase reference temperatures and the first to third phase bus bar reference temperatures, the first to third phase bus bar reference temperatures. Accordingly, the present invention can prevent an accident due to heating on the distribution board in advance.

Description

[0001] DESCRIPTION [0002] Thermal diagnosis apparatus for distributing board [0003]

More particularly, the present invention relates to an apparatus and method for diagnosing a temperature of a switchboard, and more particularly, to an apparatus and a method for diagnosing a temperature of an switchboard by outputting an alarm as an alarm based on a usage load of the switchboard and first through third phase- And more particularly, to an apparatus for diagnosing temperature of an A / C board.

The switchboard is a device installed in each water element to control the power distribution system and to have the switch, the breaker, the instrument, etc. to perform the distribution, opening and closing, safety, and weighing of the electricity. And a low-voltage switchboard connected to the secondary side may be installed.

Inside the switchboard, there are many power devices for power conversion, transmission, and measurement. However, these power devices may deteriorate due to internal or external factors such as electrical, thermal, chemical stress and vibration, environmental factors, or may weaken mechanical bonds, which may lead to insulation breakdown and lead to accidents.

To detect such an accident, the switchboard can monitor the switchboard by installing a single discharge sensor or temperature sensor module for status diagnosis.

Partial discharge sensor is mainly installed UHF (Ultra High Frequency) sensor in the switchboard to detect electromagnetic wave signal emitted when partial discharge (PD: partial discharge) occurs due to insulation deterioration of power equipment such as mold transformer in switchboard .

The detected partial discharge signal can be transmitted to the higher level diagnosis system via the exclusive data processing unit whether the partial discharge signal is generated or not.

The temperature sensor is attached to the booth bar in the switchboard using the contact or non-contact sensor to measure the temperature of the booth bar, and the measured temperature can be processed in its own unit module and transmitted to the upper diagnostic system.

The upper diagnostic system can diagnose the status of the switchboard based on each transmitted data.

The temperature diagnosis method of the switchboard diagnostic system has been implemented in such a manner that a caution, a warning, and a danger level are set and an alarm is generated when the temperature criterion is exceeded to inform the user.

The above method is a simple monitoring concept. In recent years, studies are underway to allow the user to recognize the state of the switchboard in a state where the deterioration of the switchboard is advanced and a problem may arise.

It is an object of the present invention to provide a temperature diagnostic apparatus for an electric distribution panel that can easily perform preventive and inspections against a heating phenomenon by outputting alarms of the degree of danger of the switchboard based on the usage load of the switchboard and the temperatures of the first to third phase busbars .

The apparatus for diagnosing a temperature of an ASSEMBLY according to the present invention includes a load collecting unit for collecting a used load of an ASSEMBLY, a first to a third phase busbar temperature measured in each of first to third busbars of the ASSEMBLY A temperature setting unit for variably setting the first to third phase bus bar reference temperatures and the first to third phase reference temperatures set according to the used load amount and a temperature setting unit for variably setting the first to third phase bus bar temperatures, And a controller for diagnosing the degree of danger of the switchboard according to a result of comparing the first to third phase bus bar reference temperatures and the first to third phase-to-phase bus reference temperatures with each other and outputting a set alarm .

The apparatus for diagnosing the temperature of an ASS according to the present invention includes first to third temperature sensors for measuring the temperature of the first to third phase bus bars in each of the first to third busbars and transmitting the temperature to the temperature collector And a sensor unit.

Wherein the temperature setting unit determines a correction temperature value corresponding to a difference load amount between the used load amount and the reference load amount when the used load amount is equal to or greater than the set reference load amount, To the third phase phase reference temperature by applying the correction temperature value.

Wherein the control unit includes: a temperature-by-temperature diagnosis unit for comparing the first to third phase busbar temperatures and the first to third phase busbar reference temperatures to diagnose a degree of danger of the power distribution board; An inter-phase temperature diagnosis unit for comparing the first to third phase-to-phase busbar temperatures calculated at the busbar temperature and the first to third phase-to-phase busbar reference temperatures to diagnose the degree of danger of the switchboard; The third phase bus bar temperature is linearly regressed for a predetermined period of time to calculate a reaching time at which the first to third phase bus bar danger reference temperatures are reached and the arrival time is set to any one of the first and second time ranges And a temperature trend diagnosis unit for diagnosing the degree of danger of the power distribution board and an alarm corresponding to a diagnosis result of the temperature-by-temperature diagnosis unit, the temperature-difference diagnosis unit, and the temperature trend diagnosis unit Results for outputting the output may include a.

Wherein each of the first to third phase bus bar reference temperatures diagnoses a danger level of the switchboard as an alarm and detects a second temperature range in which the first temperature range is larger than the first temperature range, And a third temperature range that is greater than the second temperature range, diagnosing the risk level of the switchboard as a hazard.

Wherein the temperature-by-temperature diagnosis unit diagnoses the degree of danger of the switchboard by comparing at least one of the temperatures of the first to third temperature busbars with the first to third temperature ranges, and transmits the result to the result output unit .

Wherein each of the first to third phase-to-phase bus bar reference temperatures diagnoses the danger level of the switchboard as an alarm by detecting a first phase-to-phase temperature range in which the risk level of the switchboard is carefully diagnosed, The second phase temperature range, and the danger level of the switchboard, and may include a third phase temperature range greater than the second phase temperature range.

Wherein the interphase temperature diagnosis unit diagnoses the degree of danger of the switchboard by comparing at least one of the first to third interphase busbar temperatures to one of the first to third phase temperature ranges, Can be delivered to the department.

Wherein the temperature trend diagnosis unit compares the arrival time with the first time range for diagnosing the degree of danger of the switchboard by an alarm and the second time range for diagnosing the degree of danger of the switchboard by risk, The degree of danger of the switchboard can be diagnosed and transmitted to the result output unit.

The result output unit may output the alarm for at least one of a warning, an alarm, and a danger corresponding to a diagnosis result of the temperature-by-temperature diagnosis unit, the temperature-to-temperature diagnosis unit, and the temperature trend diagnosis unit.

The apparatus for diagnosing the temperature of an ASTB according to the present invention is characterized in that the temperature diagnosis apparatus for the temperature of the ASTB includes a storage for storing the first to third phase busbar temperature, the first to third phase busbar reference temperatures, and the first to third phase- And the like.

The apparatus for diagnosing temperature of an ASS according to the present invention performs a temperature diagnosis for a heating phenomenon of an ASS for a base station based on first to third phase bus bar temperatures measured by first to third bus bars and a used load of an ASSEMBLY And outputting the diagnosis result as an alarm, the user or the operator can confirm the current state of the switchboard, that is, the degree of danger, so that the accident caused by the heat of the switchboard can be prevented in advance.

1 is a control block diagram showing a control configuration for an apparatus for temperature diagnosis of an ASSB according to the present invention.
2 is a flowchart showing an operation method of the temperature diagnosing apparatus of an ASSB according to the present invention.
FIG. 3 is a flowchart showing the step (S150) of FIG. 2 in detail.
4 is a detailed flowchart of the step S160 of FIG.
FIG. 5 is a flowchart showing in detail the step of FIG. 2 (S170).

Hereinafter, embodiments related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Combinations of the steps of each block and flowchart in the accompanying drawings may be performed by computer program instructions. These computer program instructions may be embedded in a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, Thereby creating means for performing the functions described in the step. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible to produce manufacturing items that contain instruction means that perform the functions described in each block or flowchart illustration in each step of the drawings. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible for the instructions to perform the processing equipment to provide steps for executing the functions described in each block and flowchart of the drawings.

Also, each block or each step may represent a module, segment, or portion of code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative embodiments, the functions mentioned in the blocks or steps may occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order according to the corresponding function.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus for diagnosing a temperature of an ASSB according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a control block diagram showing a control configuration for an apparatus for temperature diagnosis of an ASSB according to the present invention.

Referring to FIG. 1, the apparatus for diagnosing temperature of an A / D board includes a sensor unit 110, a load collector 120, a temperature collector 130, a temperature setting unit 140, a controller 150, and a storage unit 160 .

The sensor unit 110 includes first to third bus bar temperature measuring units for measuring first to third phase bus bar temperatures tr, ts, and tt of first to third busbars disposed in an electric distribution board (not shown) And may include temperature sensors 112, 114, and 116.

Here, the switchboard may be a device for constantly controlling switches, meters, relays, relays, and the like for operation and control of a power plant, a substation, etc., and for driving an electric motor.

At this time, each of the first to third temperature sensors 112, 114, and 116 can measure the first to third phase bus bar temperatures tr, ts, and tt at specific points of the first to third busbars, respectively have.

The first to third temperature sensors 112, 114, and 116 may be contact-type temperature sensors or non-contact temperature sensors that contact the first to third busbars, but are not limited thereto.

The first through third booth bars may supply three-phase power sources supplied from the outside, that is, R, S and T phases, respectively, and the first through third phase bus bar temperatures tr, ts, It may be a temperature corresponding to the heat generated when the three-phase power is supplied.

The load collecting unit 120 may collect the total load corresponding to the used load R of the switchboard, that is, the power used in the facilities in the switchboard and the power supplied to the power system.

At this time, the load collecting unit 120 may collect the used load R from another external apparatus, but is not limited thereto.

The temperature collecting unit 130 may store the first to third phase bus bar temperatures tr, ts, and tt measured by the first to third temperature sensors 112, 114, and 116 to an external server or first to third temperatures May be collected from sensors 112, 114, and 116, but is not limited thereto.

The temperature setting unit 140 can variably set the first to third phase bus bar reference temperatures and the first to third phase reference temperatures that are set according to the used load R. [

That is, the temperature setting unit 140 determines the correction temperature value corresponding to the difference load amount between the used load amount R and the reference load amount when the used load amount R is equal to or greater than the set reference load amount, The bus bar reference temperature, and the first to third phase-to-phase reference temperatures.

Thereafter, the temperature setting unit 140 may transmit the first to third bus bar reference temperatures and the first to third reference phase reference temperatures to the controller 150 and the storage unit 160, Do not.

The control unit 150 may include a temperature-by-phase diagnosis unit 152, an in-phase temperature diagnosis unit 154, a temperature trend diagnosis unit 156, and a result output unit 158.

The temperature-by-temperature diagnosis unit 152 calculates the temperature of the first to third phase bus bars tr, ts, tt measured by the first to third temperature sensors 112, 114, and 116, By comparing the bar reference temperature, the degree of danger of the switchboard can be diagnosed.

First, each of the first to third phase bus bar reference temperatures diagnoses a danger level of the switchboard as an alarm and a second temperature range that is higher than the first temperature range And a third temperature range that is greater than the second temperature range, diagnosing the risk level of the switchboard as a hazard.

Here, the temperature-by-temperature diagnosis unit 152 may determine whether the first to third phase busbar temperatures (tr, ts, tt) among the first to third phase busbar temperatures (tr) The 1-phase booth bar reference temperature can be compared.

That is, the temperature-by-temperature diagnosis unit 152 compares the first temperature T1 with the first temperature T1, and compares the first temperature T1 with the first temperature T1, If the bus bar temperature (tr) does not fall within the first to third temperature ranges, it can be diagnosed that the switchboard is in a normal state.

When the first temperature T1 is within the first temperature range, the temperature-by-temperature diagnosis unit 152 diagnoses the danger level of the power distribution board with caution. If the first temperature T1 is within the second temperature range, If it is within the third temperature range, the danger level of the switchboard can be diagnosed as a danger and output to the output unit 158. [

The temperature-by-temperature diagnosis unit 152 can output the result of comparing the second-phase busbar temperature ts and the third-phase busbar temperature tt as described above to the result output unit 158, Are omitted.

The inter-phase temperature diagnosis unit 154 uses the first to third phase busbar temperatures tr, ts and tt to calculate the first phase-to-phase busbar temperature trs, the second phase-to-phase busbar temperature ts- t) and the third phase-to-phase bus bar temperature (tt-r).

Here, the first phase-to-phase busbar temperature (tr-s) is a temperature difference value between the first and second phase busbar temperatures (tr-ts) measured in the first and second busbars, The bar temperature ts-t is a temperature difference value between the second and third-phase bus bar temperatures ts-tt measured in the second and third booth bars, May be the temperature difference value between the first and third phase bus bar temperatures (tt-tr) measured in the first and third booth bars, respectively.

The inter-phase temperature diagnosis unit 154 sets the first phase-to-phase busbar temperature tr-s, the second phase-to-phase busbar temperature ts-t and the third phase-to-phase busbar temperature tt- 1 to the third phase-to-phase bus bar reference temperature, it is possible to diagnose the degree of danger of the switchboard.

Here, the first to third phase-to-phase bus bar reference temperatures may be a first phase-to-phase temperature range in which the risk level of the switchboard is carefully diagnosed, a danger level of the switchboard is diagnosed as an alarm, Phase temperature range and the danger level of the switchboard is diagnosed as a danger and may include a third phase temperature range that is higher than the second phase temperature range, but is not limited thereto.

The inter-phase temperature diagnosis unit 154 may set the first phase-to-phase bus bar temperature tr-s among the first to third phase-to-phase bus temperatures tr-s, ts-t and tt- It can be compared with the reference booth bar temperature between phases.

The inter-phase temperature diagnosis unit 154 compares the first phase-to-phase bus bar temperature tr-s with the first phase-to-phase busbar temperature tr-s Is not within the first to third phase-to-phase temperature ranges, it can be diagnosed that the switchboard is in a normal state.

When the first phase-to-phase busbar temperature (tr-s) falls within the first phase-to-phase temperature range, the phase-to-phase temperature diagnosis unit 154 carefully diagnoses the risk level of the power- If the temperature falls within the third temperature range, the danger level of the switchboard can be diagnosed as a danger and output to the result output unit 158.

The commercial temperature diagnosis unit 154 outputs the result of the comparison between the second phase-to-phase busbar temperature tr-s and the third phase-to-phase busbar temperature tt-r as described above to the result output unit 158 And detailed description thereof will be omitted.

The temperature trend diagnosis unit 156 performs linear regression analysis of the first to third phase bus bar temperatures tr, ts, and tt for a predetermined period of time to calculate a reaching time at which the bus bar risk reference temperature is reached, Is within the set first and second time ranges, so that the risk level of the switchboard can be diagnosed.

Here, the temperature trend diagnosis unit 156 may determine at least one of the first to third phase busbar temperatures tr, ts, and tt during the set time by a temperature change along time, i.e., a temperature gradient, It is possible to predict or calculate the arrival time to reach the danger reference temperature.

At this time, the temperature trend diagnosis unit 156 determines whether or not the arrival time belongs to the first time range for diagnosing the danger level of the switchboard as an alarm and the second time range for diagnosing the danger level of the switchboard as danger The degree of danger of the switchboard can be diagnosed and output to the result output unit 158. [

The result output unit 158 outputs the alarm for at least one of the attention, warning, and danger corresponding to the diagnosis results of the temperature-by-temperature diagnosis unit 152, the temperature-to-temperature diagnosis unit 154 and the temperature trend diagnosis unit 156 can do.

At this time, the result output unit 158 outputs the diagnosis results of the temperature-by-phase temperature diagnosis unit 152, the temperature-to-phase temperature diagnosis unit 154 and the temperature trend diagnosis unit 156 as alarms, ), The inter-phase temperature diagnosis unit 154 and the temperature trend diagnosis unit 156 can be output as an alarm, but the present invention is not limited thereto.

2 is a flowchart showing an operation method of the temperature diagnosing apparatus of an ASSB according to the present invention.

Referring to FIG. 2, the controller 150 included in the temperature diagnosing apparatus of the switchboard receives the first to third temperature busbar temperatures measured by the first to third busbars of the switchboard (S110) .

That is, the sensor unit 110 may measure the first to third phase bus bar temperatures tr, ts, and tt of the first to third busbars, respectively, and transmit the measured temperature to the temperature collector 130.

The temperature collecting unit 130 may then transmit the first to third phase bus bar temperatures tr, ts, and tt to the controller 150 under the control of the controller 150.

The control unit 150 determines whether the used load R of the switchboard is equal to or greater than the set reference load amount at step S120 and if the used load R is equal to or greater than the reference load amount, A correction temperature value corresponding to the difference load amount between the load amounts is determined (S130).

The control unit 150 can vary the temperature by applying the corrected temperature value to at least one of the first to third phase bus bar reference temperatures and the first to third phase-to-phase bus reference temperatures (S140)

That is, the control unit 150 collects the used load R of the switchboard, that is, the total load corresponding to the electric power used in the facilities in the switchboard and the electric power supplied to the electric power system, Determines a correction temperature value corresponding to a difference load amount between the used load amount (R) and the reference load amount, and sets the correction temperature value corresponding to the first to third bus bar reference temperatures and the first to third phase- The value can be applied to set variable.

The controller 150 may control the first to third phase busbar temperatures tr, ts and tt and the first to third phase busbar temperatures tr, ts and tt, respectively, To the third phase bus bar reference temperature to diagnose the degree of danger of the switchboard and output a diagnosis result (S150).

In addition, after the step S150, the controller 150 controls the first phase-to-phase busbar temperature tr-s, the second phase-to-phase inter- The booth bar temperature ts-t and the third inter-phase booth bar temperature tt-r are calculated to calculate the first to third inter-stage busbar temperatures tr-s, ts-t and tt- The temperature difference between the first and third phases can be compared with the reference temperature, thereby diagnosing the degree of danger of the switchboard and outputting the diagnosis result (S160).

The controller 150 performs a linear regression analysis of the first to third phase busbar temperatures tr, ts, and tt for a predetermined time period to calculate a reaching time to reach the set bus bar risk reference temperature, 1, and 2 hours, so that the degree of danger of the switchboard can be diagnosed and the diagnostic result can be output (S170).

The controller 150 may output an alarm corresponding to the diagnosis result output in steps S150, S160, and S170 (S180).

FIG. 3 is a flowchart showing the step (S150) of FIG. 2 in detail.

Referring to FIG. 3, the controller 150 determines whether the first to third phase busbar temperatures tr, ts, tt and the first to third phase busbar temperature tr It is possible to compare whether it is within the first temperature range included in the one-phase bus bar reference temperature (S210).

If the temperature of the first phase bus bar tr is within the first temperature range, the control unit 150 may diagnose the danger level of the power distribution board with care and output the diagnosis result at step S220.

If the first phase busbar temperature tr does not fall within the first temperature range, the controller 150 determines that the first phase busbar temperature tr is included in the first phase busbar reference temperature (S230). ≪ / RTI >

If the temperature of the first phase bus bar tr is within the second temperature range, the control unit 150 may diagnose the degree of danger of the power distribution board as an alarm and output a diagnosis result at step S240.

If the first phase busbar temperature tr does not fall within the second temperature range, the controller 150 determines that the first phase busbar temperature tr is included in the first phase busbar reference temperature (S250). ≪ / RTI >

If the temperature of the first phase bus bar (tr) falls within the third temperature range, the control unit 150 may diagnose the danger level of the switchboard as dangerous and output a diagnosis result (S260).

If the temperature T1 of the first phase busbar does not fall within the third temperature range, the control unit 150 may diagnose the switchboard to be in a normal state and output a diagnosis result at step S270.

In the above-described procedure, the switchboard can be diagnosed by the second and third-phase bus bar temperatures ts and tt, but is not limited thereto.

4 is a detailed flowchart of the step S160 of FIG.

Referring to FIG. 4, the controller 150 calculates a first phase-to-phase busbar temperature tr-s, a second phase-to-phase busbar temperature (trs) (ts-t) and the third phase-to-phase busbar temperature tt-r (S310).

The control unit 150 diagnoses the degree of danger of the switchboard to the first phase-to-phase busbar temperature tr-s and the first phase-to-phase busbar reference temperature S320, And the risk level of the switchboard is diagnosed at a reference temperature between the first phase and the second phase at step S330 and the risk level of the switchboard is diagnosed at the third phase inter-busbar temperature tt-r and the third phase inter- (S340).

In step S320, the controller 150 controls the first phase-to-phase temperature range (tr-s) included in the first phase-to-phase busbar temperature (tr-s) (S321).

If the first phase-to-phase busbar temperature tr-s falls within the first phase-to-phase temperature range, the control unit 150 can diagnose the danger level of the power distribution board with care and output the diagnosis result (S321) (S322).

If the first phase-to-phase busbar temperature tr-s does not fall within the first phase-to-phase temperature range, the controller 150 determines that the first phase- It is possible to compare whether the degree of danger of the switchboard included in the reference temperature is within a second phase temperature range for diagnosing by an alarm (S323).

If the first phase-to-phase busbar temperature (tr-s) falls within the second phase-to-phase temperature range, the control unit 150 can diagnose the danger level of the power distribution board as an alarm and output a diagnosis result (S324).

When the first phase-to-phase busbar temperature tr-s does not fall within the second phase-to-phase temperature range, the controller 150 determines that the first phase-to-phase busbar temperature tr- (S325) whether the temperature is within a second phase temperature range that is included in the inter-busbar reference temperature and in which the degree of danger of the switchboard is diagnosed as a danger.

If the first phase-to-phase busbar temperature (tr-s) falls within the third phase-to-phase temperature range, the control unit 150 can diagnose the danger level of the power distribution board as dangerous and output a diagnosis result (S326).

If the first phase-to-phase busbar temperature tr-s does not fall within the third phase-to-phase temperature range, the control unit 150 may diagnose the switchboard to a normal state and output a diagnosis result (S327) .

The above-described steps (S330) and (S340) may be diagnosed in the same order as the step (S320), but are not limited thereto.

FIG. 5 is a flowchart showing in detail the step of FIG. 2 (S170).

Referring to FIG. 5, the controller 150 may calculate the arrival times of the first to third phase busbar temperatures tr, ts, and tt, (S410).

That is, the controller 150 controls at least one of the first to third phase busbar temperatures tr, ts, and tt during the set time to the at least one of the bus bar risk reference temperature Can be predicted or calculated and can be calculated.

If it is determined that the arrival time falls within the first time range (S420), the control unit 150 determines whether the arrival time falls within the first time range for diagnosing the danger level of the switchboard as an alarm The diagnosis result diagnosed by the alarm can be output (S430).

If it is determined that the arrival time does not fall within the first time range (S420), the control unit 150 determines whether the arrival time falls within a second time range for diagnosing the danger level of the switchboard as dangerous S440). If it is within the second time range, a diagnosis result of diagnosing the risk level of the switchboard as a danger may be output (S450).

If it is determined that the arrival time does not fall within the second range (S440), the controller 150 may output a diagnosis result of diagnosing that the danger level of the switchboard is normal.

The apparatus for diagnosing the temperature of an ASS according to the present invention analyzes the temperature and temperature trends of each of the first to third busbars supplied with the R, S, and T phases of the ASSEMBLY to detect an accidental accident caused by heat generated in the ASSEMBLY There is an advantage that it can be detected early and accident spread can be prevented in advance.

According to the present invention, the above-described method can be implemented as a code that can be read by a processor on a medium on which a program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The embodiments described above are not limited to the configurations and methods described above, but the embodiments may be configured by selectively combining all or a part of the embodiments so that various modifications can be made.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

110: sensor unit 120: load collecting unit
130: Temperature collecting unit 140: Temperature setting unit
150: control unit 160:

Claims (11)

A load collector for collecting a used load of the switchboard;
A temperature collecting unit for collecting the first to third phase bus bar temperatures measured at each of the first to third busbars of the switchboard;
A temperature setting unit for variably setting the first to third phase bus bar reference temperatures and the first to third phase reference temperatures set according to the used load; And
The risk level of the switchboard is diagnosed according to the results of comparing the first to third phase busbar temperature, the first to third phase busbar reference temperatures, and the first to third phase-to-phase busbar reference temperatures And a controller for outputting the set alarm. The method according to claim 1,
Further comprising a sensor unit including first to third temperature sensors for measuring the temperatures of the first to third phase bus bars in the first to third busbars, respectively, and delivering the temperatures to the temperature collecting unit . The method according to claim 1,
The temperature-
Determining a correction temperature value corresponding to a difference load amount between the used load amount and the reference load amount when the used load amount is equal to or greater than the set reference load amount, And the temperature of the boiler bar is variably set by applying the corrected temperature value to the reference temperature. The method according to claim 1,
Wherein,
A phase temperature diagnosis unit for comparing the temperatures of the first to third phase bus bars with the reference temperatures of the first to third phase busbars to diagnose the degree of danger of the power distribution board;
And an inter-phase temperature for diagnosing the degree of danger of the switchboard by comparing the first to third inter-phase busbar temperatures calculated at the first to third phase busbar temperatures with the first to third inter-phase busbar reference temperatures, Diagnosis section;
Calculating a reaching time at which the first to third phase bus bar temperature reaches the dangerous reference temperatures of the first to third phase bus bars by linearly analyzing the temperatures of the first to third phase bus bars for a predetermined time, A temperature trend diagnosis unit for diagnosing a degree of danger of the switchboard by determining whether the switchboard belongs to one of the plurality of switchboards; And
And a result output section for outputting an alarm corresponding to a diagnosis result of the temperature-by-phase temperature diagnosis section, the temperature-difference diagnosis section, and the temperature trend diagnosis section. 5. The method of claim 4,
Each of the first to third phase bus bar reference temperatures may be set such that,
Diagnosing the degree of danger of the switchboard as an alarm, diagnosing a second temperature range greater than the first temperature range and a danger level of the switchboard as dangerous, and diagnosing the second And a third temperature range greater than the temperature range. 6. The method of claim 5,
Wherein the temperature-
A temperature diagnosis unit for comparing a temperature of at least one of the first through third temperature busbars with a temperature range of the first through third temperature zones, . 5. The method of claim 4,
Each of the first to third phase-to-
A first phase-to-phase temperature range in which the degree of danger of the switchboard is carefully diagnosed, a danger level of the switchboard is diagnosed as an alarm, a second steady-state temperature range greater than the first phase temperature range, And a third phase-to-phase temperature range that is greater than the second phase-to-phase temperature range. 8. The method of claim 7,
Wherein the inter-
A temperature of the switchboard for diagnosing the degree of danger of the switchboard and transmitting the diagnosis result to the result outputting unit by comparing at least one of the first to third phase-to-phase busbar temperatures to one of the first to third phase- Diagnostic device. 5. The method of claim 4,
Wherein the temperature trend diagnosis unit comprises:
Comparing the arrival time with the first time range for diagnosing the degree of danger of the switchboard by an alarm and the second time range for diagnosing the degree of danger of the switchboard by the arrival time, To the result output unit. 5. The method of claim 4,
The result output unit,
And outputting the alarm for at least one of a caution, an alarm, and a danger in response to a diagnosis result of the temperature-by-phase diagnosis unit, the temperature-difference diagnosis unit, and the temperature-trend diagnosis unit. The method according to claim 1,
And a storage unit for storing the first to third phase busbar temperature, the first to third phase busbar reference temperatures, and the first to third phase-to-phase busbar reference temperatures.

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