KR101731637B1 - Electric Power Facilities Having Magnetic Sensor, and Operating Method Thereof - Google Patents

Abstract

Disclosed are a power facility including a magnetic sensor and an operating method thereof. According to one embodiment of the present invention, the power facility (100) including a cut out switch (COS) (101) installed between a special high voltage wire and a pole transformer comprises: a main processor unit (110) mounted by being adjacent to the COS (101), controlling operation of a sensor unit (130), and transmitting data collected from the sensor unit (130) to the outside through a wireless communication unit (120); the wireless communication unit (120) mounted by being adjacent to the COS (101), and transmitting data provided from the main processor unit (100) to the outside or transferring a control signal received from the outside to the main processor unit (110); and the sensor unit (130) including a triaxial geomagnetic sensor mounted by being adjacent to the COS (101), detecting the magnitude around the COS (101) through the triaxial geomagnetic sensor, and then transferring the detected data to the main processor unit (110). According to the present invention, since the main processor unit, the wireless communication unit, and the sensor unit having a predetermined configuration are included, failure or incorrect operation of the COS can be easily and safely diagnosed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric power facility including a magnetic sensor,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power facility including a magnetic sensor capable of easily and safely diagnosing a failure of a power facility and a method of operating the power facility.

FIG. 1 is a perspective view showing a conventional electric power facility, and FIG. 2 is a perspective view showing a cut-out switch (COS) shown in FIG.

Referring to these drawings, a cut-out switch (COS) 30 is typically installed between a special high voltage cable 10 installed on a front column and a punching transformer 20 to form a punching transformer 20 or its secondary side It is possible to prevent the pillar transformer (20) from being damaged due to a fault in the low voltage cable (40) or overload, and to prevent the transformer from being damaged during maintenance work on the secondary side of the transformer, I have.

Generally, a method of maintaining and managing a power facility equipped with a cut-out switch is a method in which an operator ascends directly to the front of the apparatus and directly checks the apparatus with a naked eye or a test apparatus.

However, since it is a work on a cut-out switch installed between a special high voltage cable and a pillar transformer, the operator is always exposed to the risk of electric shock.

In addition, in the case of bad weather, the operator can not directly confirm and periodically maintain and manage the cutout switch. Moreover, when the cutout switch fails or malfunctions, it can not be coped with in real time.

Therefore, there is a need for a technique for a power facility and a power facility operation method that includes a magnetic sensor capable of easily and safely diagnosing whether or not a cut-out switch has a failure or malfunction that can solve various problems caused by mass unbalance of the blade to be.

Korean Registered Utility Model No. 20-0461224 (registered on June 21, 2012)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a power facility having a cut-out switch (COS) provided between a special high-voltage electric wire and a pneumatic transformer, And a method of operating a power facility including the sensor.

According to an aspect of the present invention, there is provided a power facility including a cut-out switch (COS) provided between a special high voltage electric wire and a pillar transformer, wherein the cutout switch A main processor unit mounted adjacent to the sensor unit for controlling operation of the sensor unit and transmitting data collected from the sensor unit to the outside through a wireless communication unit; A wireless communication unit mounted adjacent to the cut-out switch 101 for transmitting data provided from the main processor unit to the outside or transmitting a control signal received from the outside to the main processor unit; And a sensor unit having a three-axis geomagnetic sensor mounted adjacent to the cut-out switch, detecting a magnetic field strength around the cut-out switch through a three-axis geomagnetic sensor, and transmitting the detected data to the main processor unit May be included.

In one embodiment of the present invention, the main processor unit, the wireless communication unit, and the sensor unit may be integrated modules.

The integrated module may further include a main processor unit, a wireless communication unit, and a power source unit for supplying power to the sensor unit.

In one embodiment of the present invention, the main processor unit may operate in a sleep state when wireless communication using the wireless communication unit is not performed.

In one embodiment of the present invention, the main processor unit can determine the presence or absence of a current based on a peak-to-peak value of data received from the sensor unit.

In addition, the main processor unit may receive data from the sensor unit every predetermined period.

In one embodiment of the present invention, the wireless communication unit uses one or more wireless communication technologies selected from the group consisting of Lora, Sub GHz, Zigbee, and Bluetooth. As a module, communication with a gateway can be managed.

In one embodiment of the present invention, the sensor unit includes a three-axis geomagnetic sensor, a magnetic switch sensor, a current sensor (CT sensor, Current sensor, Transformer Sensor) and a current sensor.

In one embodiment of the present invention, the sensor unit may further include a magnetic switch or a hall sensor.

The magnetic switch or hall sensor may wake-up the main processor unit when a magnetic field intensity value exceeding a preset magnetic field strength value is detected within a predetermined time range.

According to an aspect of the present invention, there is provided a method of operating a power facility, the method comprising: a) waking up the main processor unit at predetermined predetermined intervals; MCU wakeup phase; b) detecting a magnetic field strength around the cut-out switch using a sensor unit and transmitting the detected data to the main processor unit; c) determining a presence or absence of current in the main processor based on a peak to peak value of data received from the sensor; And d) a result transmitting step of transmitting the determination result data to the outside using the wireless communication unit.

Also, when the magnetic field intensity value exceeding the predetermined magnetic field strength value is detected within a predetermined time using a three-axis geomagnetic sensor, a magnetic switch, or a hall sensor, An emergency wake-up step of waking up the main processor unit; And f) a magnetic field detecting step of detecting magnetic field strength data around the cut-out switch using the sensor part of the main processor part woken up through the emergency wakeup step.

As described above, according to the electric power facility and the electric power facility operation method of the present invention, by providing the main processor unit, the wireless communication unit, and the sensor unit having a specific configuration, it is possible to easily and safely diagnose the presence / It is possible to provide a power facility including the magnetic sensor and a method of operating the power facility.

In addition, according to the electric power equipment of the present invention, since standby power consumption can be reduced by providing the main processor unit that operates in a sleep state when wireless communication using the wireless communication unit is not performed, It can reduce manpower input costs.

Further, according to the electric power facility of the present invention, it is possible to easily mount the three-axis geomagnetic sensor adjacent to the measurement target to be measured without considering the mounting direction of the sensor. In this case, Axis direction, it is possible to easily measure the magnetic field generated from the object to be measured even if the sensor is located in any direction.

According to the electric power facility of the present invention, when a magnetic field strength value exceeding a preset magnetic field strength value is detected within a predetermined time range, a three-axis geomagnetic sensor for waking up the main processor unit, a magnetic switch, By providing a hall sensor, it is possible to detect a failure and a malfunction of the power saving facility in real time in response to a sudden increase in the current value.

Further, according to the electric power facility operating method of the present invention, the electric power facility according to the present invention can be effectively operated by including the MCU wake-up step, the magnetic field detecting step, the current judging step and the result transmitting step of the specific configuration.

In addition, according to the power facility operation method of the present invention, since standby power consumption can be reduced by providing a main processor unit that operates in a sleep state when wireless communication using the wireless communication unit is not performed, Cost and manpower input costs.

According to the power plant operating method of the present invention, when a magnetic field strength value exceeding a preset magnetic field intensity value is detected within a predetermined time range, a magnetic switch or hall sensor (not shown) for waking up the main processor unit hall sensor, it is possible to detect in real time the failure and malfunction of the power-saving equipment due to a sudden increase in the current value.

1 is a perspective view of a power plant according to the prior art.
FIG. 2 is a perspective view showing a cut-out switch (COS) shown in FIG. 1. FIG.
3 is a perspective view showing a cut-out switch (COS) equipped with a power facility according to an embodiment of the present invention.
4 is a configuration diagram showing a configuration of a power plant according to an embodiment of the present invention.
5 is a flowchart illustrating a method of operating a power facility according to an embodiment of the present invention.
6 is a flowchart illustrating a method of operating a power facility according to another embodiment of the present invention.
7 is a graph showing a case where a normal current flows and a case where a current does not flow.
8 is a graph showing a case where a high current flows instantaneously.
FIG. 9 is a graph showing a magnetic field detected through a triple geomagnetic sensor. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to the description, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical concept of the present invention.

Throughout this specification, when a member is "on " another member, this includes not only when the member is in contact with another member, but also when there is another member between the two members. Throughout this specification, when an element is referred to as "including" an element, it is understood that it may include other elements as well, without departing from the other elements unless specifically stated otherwise.

FIG. 3 is a perspective view showing a cut-out switch (COS) equipped with a power facility according to an embodiment of the present invention. FIG. 4 illustrates a configuration of a power facility according to an embodiment of the present invention. Is shown.

Referring to these figures, a power plant 100 according to the present embodiment is a power facility having a cut-out switch (COS) 101 provided between a special high voltage electric wire and a pillar transformer, And a magnetic sensor capable of easily and safely diagnosing whether there is a failure or a malfunction.

The power equipment 100 according to the present embodiment may include a main processor unit 110, a wireless communication unit 120, and a sensor unit 130. [

Specifically, the main processor unit 110 is installed adjacent to the cut-out switch 101, and controls the operation of the sensor unit 130, and transmits data collected from the sensor unit 130 to the wireless communication unit 120 Lt; / RTI >

The wireless communication unit 120 may be installed adjacent to the cutout switch 101 and may transmit data provided from the main processor unit 110 to the outside or may transmit a control signal received from the outside to the main processor unit 110 have.

More specifically, the wireless communication unit 120 is a module using one or more wireless communication technologies selected from the group consisting of Lora, Sub GHz, Zigbee, and Bluetooth, (Gateway).

The sensor unit 130 includes a three axis geomagnetic sensor mounted adjacent to the cutout switch 101. The sensor unit 130 detects the magnetic field intensity around the cutout switch 101 through the triaxial geomagnetic sensor, To the main processor unit 110.

More specifically, the sensor unit 130 may include a three-axis geomagnetic sensor, a magnetic switch sensor, a current sensor (CT sensor), a current transformer sensor ) And a current sensor.

When a three-axis geomagnetic sensor is selected and configured, it can be mounted adjacent to a measurement object to be measured without considering the mounting direction of the sensor. In this case, by measuring the magnetic field generated from the measurement object in the three-axis directions, the magnetic field generated from the measurement object to be measured can be easily measured even if the sensor is located in any direction.

In some cases, the main processor unit 110, the wireless communication unit 120, and the sensor unit 130 according to the present embodiment may be configured as an integrated module. The integrated module may further include a power supply unit 140 for supplying power to the main processor unit 110, the wireless communication unit 120, and the sensor unit 130.

FIG. 5 is a flowchart illustrating a method of operating a power facility according to an embodiment of the present invention, and FIG. 6 is a flowchart illustrating a method of operating a power facility according to another embodiment of the present invention.

Based on the flowcharts shown in FIGS. 5 and 6, a power plant operation method (S100) according to the present embodiment will be described below.

Referring to FIG. 5, the main processor unit 110 according to the present embodiment preferably operates in a sleep state when wireless communication using the wireless communication unit 120 is not performed.

The main processor unit can be waked up at predetermined predetermined intervals through an MCU (main control unit) wake-up step (S110).

The main processor unit 110 according to the present embodiment preferably receives data from the sensor unit 130 every predetermined period.

The magnetic field detection step S120 is performed and the sensor unit 130 detects the magnetic field around the cutoff switch 101 by the control signal of the main processor unit 110 and the detected data is transmitted to the main processor unit 110 ).

At this time, the current judging step S130 is performed. In this step, the main processor unit 110 judges whether or not the current is present based on the peak to peak value of the data received from the sensor unit 130 can do.

Referring to FIG. 7, in the case of a conductor in which an AC current flows constantly, a magnetic field is generated in proportion to the intensity of the current. Since a sine curve type magnetic field is formed according to the AC current, it is possible to determine the current intensity by the peak to peak value of the sensor output for sensing the magnetic field. It is determined that the current does not flow when the peak to peak value is significantly lower than the value when the normal current flows.

In this case, the sensor unit 130 according to the present embodiment can determine the magnetic field of the cut-out switch (COS) 101 using a 3-axis geomagnetic sensor.

FIG. 9 is a graph showing a result of measurement of a magnetic field value according to a current change. The section A shows the measured value of the magnetic field when no current flows, the section B shows the measured value of the magnetic field when a normal current (current of less than 1A with the 1A fuse) flows, and section C shows the overcurrent And D represents the measured value of the magnetic field after the fuse is short-circuited due to the overcurrent.

In the case of the section C, the upper and lower widths of the detected magnetic field values are significantly larger than the upper and lower widths of the section B. If it exceeds 150% of the average width of the section B, it can be judged that the overcurrent flows .

After the fuse is short-circuited, the fuse holder portion is automatically removed and tilted downward about the hinge axis mounted on one side. Therefore, in the Y section of the measured value graph of the D section, a rapid vibration is observed in the up and down direction. When the movement of the fuse holder is relaxed over time, the graph shape of the D section becomes the same as the shape of the A section.

As can be seen from the graph shown in FIG. 9, it can be determined whether or not current is conducted based on the magnetic field measurement value detected through the sensor unit.

Finally, after the result transmission step S140 of transmitting the determination result data to the outside using the wireless communication unit is performed, the main processor unit 110 enters the sleep mode again.

On the other hand, when a high current flows instantaneously, as shown in FIG. 6, it is operated according to the electric power facility operating method.

Specifically, the power plant operation method (S100) according to the present embodiment may be configured to further include an emergency wakeup step (S150) and a magnetic field detection step (S160).

8, the emergency wake-up step S150 uses a three-axis geomagnetic sensor, a magnetic switch, or a Hall sensor to measure a magnetic field intensity exceeding a predetermined magnetic field intensity value within a predetermined time range The main processor unit 110 can wake-up the detected value.

In this case, it is preferable that the sensor unit 130 according to the present embodiment further includes a magnetic switch or a hall sensor.

At this time, the magnetic switch or hall sensor can wake-up the main processor unit 110 when a magnetic field intensity value exceeding a preset magnetic field intensity value is detected within a predetermined time range have.

Subsequently, the magnetic field detection step S160 detects the magnetic field strength data around the cut-out switch 101 by using the sensor unit 130 in the main processor unit 110 woken up through the emergency wake-up step S150 Can be detected.

As described above, according to the electric power facility and the electric power facility operation method of the present invention, by providing the main processor unit, the wireless communication unit, and the sensor unit having a specific configuration, it is possible to easily and safely diagnose the presence / It is possible to provide a power facility including the magnetic sensor and a method of operating the power facility.

In addition, according to the electric power equipment of the present invention, since standby power consumption can be reduced by providing the main processor unit that operates in a sleep state when wireless communication using the wireless communication unit is not performed, It can reduce manpower input costs.

According to the electric power facility of the present invention, when a magnetic field intensity value exceeding a preset magnetic field intensity value is detected within a predetermined time range, a magnetic switch or a hall sensor for waking up the main processor unit , It is possible to detect in real time the failure and malfunction of the power saving equipment due to a sudden increase in the current value.

Further, according to the electric power facility operating method of the present invention, the electric power facility according to the present invention can be effectively operated by including the MCU wake-up step, the magnetic field detecting step, the current judging step and the result transmitting step of the specific configuration.

In addition, according to the power facility operation method of the present invention, since standby power consumption can be reduced by providing a main processor unit that operates in a sleep state when wireless communication using the wireless communication unit is not performed, Cost and manpower input costs.

According to the power plant operating method of the present invention, when a magnetic field strength value exceeding a preset magnetic field intensity value is detected within a predetermined time range, a three-axis geomagnetic sensor for waking up the main processor unit, By providing a switch or a hall sensor, it is possible to detect the failure and malfunction of the power saving equipment in real time due to a sudden increase in the current value.

In the foregoing detailed description of the present invention, only specific embodiments thereof have been described. It is to be understood, however, that the invention is not to be limited to the specific forms thereof, which are to be considered as being limited to the specific embodiments, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .

That is, the present invention is not limited to the above-described specific embodiment and description, and various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. And such variations are within the scope of protection of the present invention.

10: Special high voltage cable
20: Columnar transformer
30: Cut-out switch (COS)
100: Electric power equipment
101: Cut-out switch (COS)
110: main processor unit
120:
130:
140:
S100: How to operate electric power facility
S110: MCU wake-up phase
S120: magnetic field detection step
S130: current determination step
S140: Result sending step
S150: Emergency wakeup step
S160: magnetic field detection step

Claims (12)

1. A power plant having a cut-out switch (COS) 101 installed between a special high voltage cable and a pneumatic transformer,
And is installed adjacent to the cut-out switch 101 to control the operation of the sensor unit 130 and transmits data collected from the sensor unit 130 to the outside through the wireless communication unit 120. The wireless communication unit 120 A main processor unit 110 operating in a sleep state when wireless communication using the wireless communication unit is not performed;
A wireless communication unit 120 installed adjacent to the cut-out switch 101 for transmitting data provided from the main processor unit 110 to the outside or transmitting a control signal received from the outside to the main processor unit 110;
Axis geomagnetic sensor mounted adjacent to the cut-out switch 101, detects the magnetic field intensity around the cut-out switch 101 through a triaxial geomagnetic sensor, and transmits the detected data to the main processor 110 A sensor unit 130 for transmitting the signal to the sensor unit 130; And
When a magnetic field intensity value exceeding a preset magnetic field intensity value is detected within a predetermined time range, the hall sensor (wake-up) the main processor unit 110 sensor);
(100). ≪ / RTI >
The method according to claim 1,
Wherein the main processor unit (110), the wireless communication unit (120), and the sensor unit (130) are integrated modules.
3. The method of claim 2,
Wherein the integrated module further includes a power supply unit for supplying power to the main processor unit, the wireless communication unit, and the sensor unit.
delete The method according to claim 1,
Wherein the main processor unit (110) determines the presence or absence of a current based on a peak-to-peak value of data received from the sensor unit (130).
6. The method of claim 5,
Wherein the main processor unit (110) receives data from the sensor unit (130) every predetermined period.
The method according to claim 1,
The wireless communication unit 120 is a module that uses one or more wireless communication technologies selected from the group consisting of Lora, Sub GHz, Zigbee, and Bluetooth, (100). ≪ / RTI >
The method according to claim 1,
The sensor unit 130 may include at least one sensor selected from the group consisting of a magnetic switch sensor, a current transformer sensor and a current sensor capable of determining the intensity of a magnetic field, (100). ≪ / RTI >
delete delete A method for operating a power plant (100) according to any one of claims 1 to 3 and 5 to 8,
a) MCU wake-up step (S110) of waking up the main processor unit at predetermined predetermined intervals;
b) detecting a magnetic field strength around the cut-out switch using the sensor unit and transmitting the detected data to the main processor unit (S120);
c) a current determining step (S130) of determining whether the main processor unit current is present based on a peak to peak value of data received from the sensor unit; And
d) a result transmitting step (S140) of transmitting determination result data to the outside using the wireless communication unit;
(S100). ≪ / RTI >
12. The method of claim 11,
The power plant operation method (S100)
e) When a magnetic field strength value exceeding a preset magnetic field intensity value is detected within a predetermined time range using a three-axis geomagnetic sensor, a magnetic switch or a hall sensor, the main processor unit 110 is waked up (wake-up) an emergency wake-up step (S150); And
f) a magnetic field detection step (S160) for detecting the magnetic field strength data around the cut-out switch 101 using the sensor unit 130, by the main processor unit 110 woken up through the emergency wakeup step S150;
(S100). ≪ / RTI >

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