JP2012060826A - Flicker monitoring system and flicker monitoring method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To implement a flicker monitoring system with a simple mechanism which can quickly detect fault occurrence and quickly perform recovery from the fault.SOLUTION: A flicker monitoring system comprises: a flicker measurement device 4 acquiring flicker information generated in a power system; an information processing device 2 communicably connected with the flicker measurement device 4; and a remote power supply control device 5 controlling drive power of the flicker measurement device 4. The flicker measurement device 4 transmits the flicker information to the information processing device 2 as needed. The information processing device 2 monitors the reception time interval of the flicker information, and transmits a control signal for drive power to the remote power supply control device 5 to turn off and on the flicker measurement device 4 when it is detected that the flicker information is not received for a preset threshold time or more. The above described reception time interval is acquired, for example, from the time difference between the current time and time stamp of a file storing file information.

Description

  The present invention relates to a flicker monitoring system and a flicker monitoring method, and more particularly to a technique for realizing a quick detection of a failure occurring in a flicker monitoring system and a quick recovery from the failure with a simple mechanism.

  In the power system, flicker caused by fluctuations in power consumption of a large power facility becomes a problem in the vicinity of a facility that consumes large power such as an arc furnace. Therefore, in order to maintain power quality, electric power companies and the like provide flicker monitoring facilities on substation buses and the like to constantly monitor flicker.

  Here, regarding a mechanism for monitoring flicker, for example, Patent Document 1 includes a flicker measuring device and a monitoring device, and the flicker measuring device includes an input unit having a voltage input unit and a current input unit, and an arithmetic processing unit. The voltage input unit includes a bus voltage measuring unit, the current input unit includes a unit for measuring a current supplied from the bus to the arc furnace and the feeder, and the arithmetic processing unit communicates with the input unit. An analysis computer having a communication control device for transferring measurement data and control data to and from the control device and an I / O device is provided. The analysis computer device is used to calculate ΔV and ΔV10 voltage values of flickers, etc. An arithmetic processing program is provided, and the calculation result is displayed on a monitor and simultaneously recorded on a hard disk and transmitted to the monitoring device via a dedicated line. The monitoring device is composed of a monitor display device, a modem, a printer device, and a processing computer device. The processing computer device processes a ΔV10 value from a constantly transmitted flicker measuring instrument and displays a graph on a monitor screen. And printing a daily report and a monthly report by printing data in a graph with a printer and printing out a flicker generation amount with a printer.

JP-A-6-284579

  By the way, when the flicker measuring device is configured to transmit the calculation result to the monitoring device via the line as in the above-mentioned Patent Document 1, no consideration is normally given to the trouble that has occurred on the flicker measuring device side. A situation may occur in which data transmission from the flicker measuring device to the monitoring device is stopped for a long time due to the occurrence of a failure. In addition, as a result of overlooking the occurrence of a failure, the monitoring device cannot report the situation to the customer based on specific numerical values (for example, changes in ΔV and ΔV10). May interfere with service to other affected customers. Also, since the monitoring device cannot grasp the status of the flicker measuring instrument, it is necessary to take measures such as going to the site where the flicker measuring instrument is installed in order to investigate the cause. Occurs.

  On the other hand, in order to deal with such problems, for example, it may be possible to introduce new hardware and software into the existing system so that the monitoring device side can grasp the situation on the flicker measuring device side as needed, A large amount of expenses are incurred, and other problems such as additional maintenance burdens on newly introduced parts arise. Also, flicker monitoring is usually performed with recovery priority that prioritizes functional recovery over failure cause identification, but many existing technologies are not necessarily designed with recovery priority, so they can be applied directly to flicker monitoring. It is often not suitable for recovery priority operations.

  The present invention has been made in view of such a background, and an object of the present invention is to provide a flicker monitoring system and a flicker monitoring method that enable quick detection of a failure occurrence and quick recovery from the failure by a simple mechanism. And

  In order to achieve the above object, one aspect of the present invention provides a flicker measurement apparatus that acquires information about flicker generated in an electric power system, an information processing apparatus that is communicably connected to the flicker measurement apparatus, and a flicker measurement apparatus. A flicker monitoring system including a remote power supply control device for remotely controlling drive power, wherein the flicker measurement device transmits the information to the information processing device as needed, and the information processing device receives the information. The information processing device monitors the reception time interval of the information, and when it detects that the information is not received for a preset threshold time or more, it sends a control signal of the driving power to the remote power control device. It is assumed that the flicker measuring apparatus is turned off and on.

  In the present invention, when it is detected that the information processing apparatus has not received information about the flicker from the flicker measuring apparatus for the threshold time or longer, the information processing apparatus turns off the power of the flicker measuring apparatus by remote control to measure flicker. Since the apparatus is restarted, the function of the flicker measuring apparatus can be restored from a remote location when some trouble occurs in the flicker measuring apparatus and the collection of information on flicker is hindered. Therefore, it is possible to minimize the loss of information regarding flicker on the information processing apparatus side, and it is possible to realize a mission critical operation in which power quality is constantly monitored.

  Another one of the present invention is the flicker monitoring system, wherein a file system functions in the information processing apparatus, and the information processing apparatus adds the information to a specific file, The information received from the flicker measuring device is collected and managed in a specific file, and the time difference between the current time and the time stamp of the file is acquired as the reception time interval of the information.

  As described above, the flicker information reception interval is acquired by calculating the time difference between the current time and the time stamp of the file by collecting and managing the information received from the flicker measurement device in a specific file. A mechanism for monitoring the reception status of flicker information from the flicker measuring apparatus can be easily realized without adding a mechanism or new hardware.

  Another aspect of the present invention is the flicker monitoring system described above, wherein the flicker measurement device has a function of acquiring at least the information related to flicker and transmitting the information to the information processing device when a power source is turned off and on. A function for automatically initializing is provided.

  As described above, since the flicker measuring apparatus has a function of acquiring information on flicker by turning on and off the power supply and a function of automatically initializing a function of transmitting the information to the information processing apparatus. The function of the flicker measuring apparatus in which the failure has occurred can be reliably restored by remote off-on control.

  Another aspect of the present invention is the flicker monitoring system described above, further including an alarm device that is provided at a place where the information processing device is installed and is communicably connected to the flicker measurement device. The apparatus notifies the alarm device of the abnormality when an abnormality occurs in the measured value, and the alarm device outputs information notifying the user of the abnormality when the notification is received.

  The user can quickly know the occurrence of abnormality by the alarm device of the present invention. Then, the user can use the output of the abnormality information as an opportunity to investigate the flicker information received from the flicker measuring device in detail, and the user can take quick measures against the flicker abnormality. In addition, the burden of monitoring the flicker information of the user can be reduced.

Another aspect of the present invention is the flicker monitoring system, wherein the information processing apparatus is communicably connected to the flicker measurement apparatus and the remote power supply control apparatus via the Internet. .

  As described above, since both the information processing device and the flicker measuring device and between the information processing device and the remote power supply control device are connected via the Internet, the flicker measuring device to the information processing device is connected. Transmission of flicker information and control of the remote power supply control device from the information processing device can be performed according to a common protocol, and the communication interface of each device can be simplified and shared.

  In addition, the subject which this application discloses, and its solution method are clarified by the column of the form for inventing, and drawing.

  According to the present invention, it is possible to realize a flicker monitoring system capable of quickly detecting occurrence of a failure and quickly recovering from the failure with a simple mechanism.

1 is a diagram illustrating a schematic configuration of a flicker monitoring system 1. FIG. It is a figure which shows the hardware of the flicker measuring apparatus 4. It is a figure which shows the function of the flicker measuring apparatus. 2 is a diagram illustrating hardware of the information processing apparatus 2. FIG. 3 is a diagram illustrating functions of the information processing apparatus 2. FIG. It is a figure which shows the hardware of the remote power supply control apparatus 5. It is a figure which shows the function of the remote power supply control apparatus. It is a figure which shows the hardware of the alarm device. It is a figure which shows the function of the alarm device. It is a flowchart explaining flicker information reception processing S1000. It is a flowchart explaining reception status monitoring processing S1100. It is a flowchart explaining power supply control processing S1200. It is a figure which shows an example of the off-on instruction | indication reception screen 1300. FIG.

  Hereinafter, embodiments will be described in detail with reference to the drawings.

  FIG. 1 shows a schematic configuration of a flicker monitoring system 1 described as an embodiment. As shown in the figure, the power supply system 1 includes an information processing device 2 and an alarm device 3 provided in a central control station of an electric power company that performs monitoring and control of an electric power system, and information on flicker (hereinafter referred to as “flickr”). Flicker measurement device 4, remote power supply control device 5, and alarm contact 6 (for example, stipulated in Japanese Industrial Standards (JIS)) provided at an acquisition location (referred to as flicker information, for example, in the vicinity of a substation bus, etc.) A contact).

  As shown in the figure, the information processing device 2, the flicker measuring device 4, and the remote power supply control device 5 are all communicably connected via the Internet 51, and all have their own network addresses (IP address and IP address). MAC address). In place of the Internet 51, a dedicated line (power system control information transmission system (CDT: Cyclic Digital data Transmission equipment), metal line, optical fiber, etc.), power line communication (PLC: Power Line Communication), etc. may be used. Good. As shown in the figure, the alarm contact 6 and the flicker measuring device 4 are communicably connected via a dedicated line 52. In place of the dedicated line 52, the Internet 51 or power line communication may be used.

  FIG. 2 shows the hardware of the flicker measuring device 4. As shown in the figure, the flicker measuring device 4 includes a CPU 41, a memory 42 (RAM, ROM, etc.), a communication device 43, a measuring device 44, an input device 45, an output device 46, and a timing device 47.

  Among these, the CPU 41 performs overall control of the flicker measuring apparatus 4 and realizes various functions provided in the flicker measuring apparatus 4. The memory 42 stores various data and programs executed by the CPU 41. The communication device 43 includes an interface for realizing communication performed via the Internet 51 or the dedicated line 52 and a control circuit for controlling the alarm contact 6.

  The measuring device 44 measures and measures the substation bus voltage (for example, the voltage acquired via the transformer PT) and the substation bus current (for example, the current acquired via the current transformer CT). The analog measurement value is converted into a digital value and supplied to the CPU 41 or the like.

  The input device 45 is an input interface such as an operation button, an operation dial, or a touch panel. The output device 46 is an output interface such as a liquid crystal monitor or a printing device. The timing device 47 is a circuit that outputs information related to time such as the current date and time and elapsed time, and is configured using an RTC (Real Time Clock) or the like.

  FIG. 3 shows the function of the flicker measuring apparatus 4. As shown in the figure, the flicker measurement device 4 includes functions of an initialization processing unit 411, a voltage / current measurement unit 412, a flicker information generation unit 413, a data transmission processing unit 414, and an alarm contact control unit 415. . Note that these functions are realized by hardware provided in the flicker measuring apparatus 4 or by the CPU 41 of the flicker measuring apparatus 4 reading out and executing a program stored in the memory 42.

  When the power of the flicker measuring device 4 is turned on, the initialization processing unit 411 automatically initializes the hardware of the flicker measuring device 4 and the functions provided in the flicker measuring device 4 (functions shown in FIG. 3). Execute the process. Since the flicker measuring device 4 includes such an initialization processing unit 411, any troubles in the function of the flicker measuring device 4 (failure caused by being unable to escape from an infinite loop, failure that makes remote control impossible, etc.) If this occurs, the hardware and functions of the flicker measuring device 4 can be reliably restored by turning the power of the flicker measuring device 4 off and on.

  The voltage / current measurement unit 412 measures information necessary for generating flicker information (for example, bus voltage and bus current) from a flicker information acquisition source such as a bus at a substation, and converts the measured value into a digital value.

  The flicker information generation unit 413 generates flicker information (for example, bus voltage fluctuation ΔV, flicker value (ΔV10), etc.) based on the measurement values measured by the voltage / current measurement unit 412.

  The data transmission processing unit 414 transmits the flicker information generated by the flicker information generation unit 413 to the information processing apparatus 2 as needed. For example, on the information processing apparatus 2 side (such as a central control station of an electric power company), the maximum value (hereinafter referred to as the fourth value) that appears fourth among the voltage flicker (ΔV10) of data for one minute measured continuously for one hour. When the data transmission processing unit 414 determines whether or not a countermeasure against flicker is necessary by comparing a maximum reference value) with a predetermined reference value (for example, 0.45 V), the data transmission processing unit 414 performs every minute. Flicker information is transmitted to the information processing apparatus 2.

  Based on the flicker information generated by the flicker information generation unit 413, the alarm contact control unit 415 determines whether an alarm should be notified to the alarm device 3 provided in the information processing apparatus 2. When an alarm is to be notified, the alarm contact control unit 415 sets the alarm contact 6 to ON. As a result, an alarm is notified to the alarm device 3 via the dedicated line 52. For example, when the alarm contact control unit 415 detects that the fourth maximum mentioned above exceeds a predetermined reference value (for example, 0.45 V), the alarm contact control unit 415 sets the alarm contact 6 to ON and notifies the alarm device 3 of the alarm. For example, when a warning is sent to the alarm device 3, for example, a supervisor at the central control station of the electric power company triggers a detailed examination of the occurrence of flicker around the installation site of the flicker measuring device 4. As described above, the flicker monitoring system 1 has a configuration for notifying the flicker information to the information processing apparatus 2 through a route (dedicated line 52) different from the route for notifying the flicker information (Internet 51). Can be reliably transmitted to the information processing apparatus 2 side.

  FIG. 4 shows the hardware of the information processing apparatus 2. As shown in the figure, the information processing device 2 includes a CPU 21, a memory 22 (RAM, ROM, etc.), a communication device 23, an input device 24, an output device 25, a timing device 26, and an external storage device 27.

  Among these, the CPU 21 implements various functions of the information processing apparatus 2 in addition to performing overall control of the information processing apparatus 2. The memory 22 stores data and programs executed by the CPU 21. The communication device 23 is an interface that realizes communication via the Internet 51.

  The input device 24 is an input interface such as a keyboard and a mouse. The output device 25 is a liquid crystal monitor or a printing device. The timing device 26 is a circuit that outputs information related to time such as the current date and time and elapsed time, and is configured using an RTC or the like. The external storage device 27 is a non-volatile and large-capacity storage device such as a hard disk or SSD (Solid State Drive) in which data and files are stored.

  FIG. 5 shows functions of the information processing apparatus 2. As shown in the figure, the information processing apparatus 2 includes functions of an operating system 211, a data reception unit 212, a file update unit 213, a failure monitoring unit 214, and a power control signal transmission unit 215. Note that these functions are realized by hardware included in the information processing apparatus 2 or by the CPU 21 of the information processing apparatus 2 reading and executing a program stored in the memory 22 or the external storage device 27. .

  The operating system 211 provides a function related to an interface between hardware of the information processing apparatus 2 and an application executed on the information processing apparatus 2. The operating system 215 includes a file system, and provides a data management function in units of files to applications. In addition, the file system manages each update date (time stamp) for a file to be managed.

  The data receiving unit 212 receives flicker information transmitted from the flicker measuring apparatus 4 as needed. The file update unit 213 adds the flicker information received by the data receiving unit 211 to the flicker information file 221 stored in the memory 22 of the information processing apparatus 2 or the external storage device 27. Note that the time stamp of the flicker information file 221 is updated by the operating system 211 at the time of this additional recording.

  The failure monitoring unit 214 monitors the flicker information reception time interval by the data reception unit 212 based on the time stamp of the flicker information file 221. More specifically, the failure monitoring unit 214 obtains the time difference between the current time acquired from the timing device 26 and the time stamp of the flicker information file 221 as the reception time interval, and the obtained reception time interval is a preset threshold value. Judge whether it is more than time. If the reception time interval is equal to or greater than the threshold time as a result of the determination, the failure monitoring unit 214 determines that some failure has occurred regarding the reception of flicker information by the data reception unit 212, and the power control signal The transmitter 215 is controlled to turn on / off the power of the flicker measuring apparatus 4.

  In response to an instruction from the failure monitoring unit 213, the power control signal transmission unit 214 sends a control signal for driving power of the flicker measurement device 4 to the remote power control device 5 provided in the flicker measurement device 4 via the Internet 51. The flicker measurement device 4 is turned off and on.

  FIG. 6 shows the hardware of the remote power supply control device 5. As shown in the figure, the remote power control device 5 includes a CPU 51, a memory 52, a communication circuit 53, and a power control unit 54. The CPU 51 performs the overall control of the remote power supply control device 5 and realizes the functions of the remote power supply control device 5. The memory 52 stores data and programs executed by the CPU 51. The communication device 53 is an interface that realizes communication via the Internet 51. The power supply control unit 54 is a circuit that performs on / off control of the supply of driving power from commercial power or the like to the flicker measuring device 4 and is configured using, for example, a thyristor (SCR (Silicon Controlled Rectifier)).

  FIG. 7 shows functions of the remote power supply control device 5. As shown in the figure, the remote power supply control device 5 includes a control signal receiving unit 511 and a power supply off / on control unit 512. These functions are realized by hardware included in the remote power supply control device 5 or by the CPU 51 of the remote power supply control device 5 reading and executing a program stored in the memory 52.

  The control signal receiving unit 511 receives the control signal for the driving power of the flicker measuring device 4 sent from the information processing device 2 via the Internet 51. The power off / on control unit 512 turns off the supply of driving power from commercial power or the like to the flicker measuring device 4 in accordance with the received control signal.

  FIG. 8 shows the hardware of the alarm device 3. As shown in the figure, the alarm device 3 includes a CPU 31, a memory 32, a communication circuit 33, and an output device 34. The CPU 31 performs the overall control of the alarm device 3 and realizes functions provided in the alarm device 3. The memory 32 stores data and programs executed by the CPU 31. The communication device 33 is an interface that realizes communication via the dedicated line 52. The output device 34 is an output interface such as a liquid crystal monitor or a printing device.

  FIG. 9 shows the function of the alarm device 3. As shown in the figure, the alarm device 3 includes a contact signal receiving unit 311 and an alarm output unit 312. These functions are realized by hardware provided in the alarm device 3 or by the CPU 31 of the alarm device 3 reading and executing a program stored in the memory 32.

  The contact signal receiving unit 311 receives the state (ON or OFF) of the alarm contact 6 sent via the dedicated line 52. When the contact signal receiving unit 311 detects that the alarm contact 6 is on, the alarm output unit 312 outputs information indicating that an abnormality relating to flicker has occurred to the output device 34. Note that the function of the alarm device 3 may be realized by the information processing device 2.

  Next, processing performed by the information processing apparatus 2 in the flicker monitoring system 1 having the above configuration will be described.

  FIG. 10 is a flowchart for describing processing (hereinafter referred to as flicker information reception processing S1000) related to reception of flicker information and update of the flicker information file 221 performed by the information processing apparatus 2. Hereinafter, the flicker information reception processing S1000 will be described with reference to FIG.

  The information processing apparatus 2 monitors in real time whether or not the flicker information is received from the flicker measuring apparatus 4 (S1011). When it is detected that the flicker information has been received (S1012), the information processing apparatus 2 adds the content of the received flicker information to the flicker information file 221 (S1013), and updates (overwrites) the flicker information file 221 ( S1014). Thereafter, the process returns to S1011. When the flicker information file 221 is updated, the time stamp of the flicker information file 221 is also updated to the update date / time by the file system.

  FIG. 11 is a flowchart for explaining processing related to monitoring the reception status of flicker information sent from the flicker measurement device 4 (hereinafter referred to as reception status monitoring processing S1100) performed by the information processing device 2. Hereinafter, the reception status monitoring process S1100 will be described with reference to FIG.

  First, the information processing apparatus 2 acquires the time stamp of the flicker information file 221 from the file system (S1111). Next, the information processing apparatus 2 acquires the current date and time from the timing device 47 (S1112). Then, the information processing apparatus 2 obtains a time difference (= current date-time-time stamp) between the obtained current date and time and the obtained time stamp (S1113), and the obtained time difference is greater than or equal to a preset threshold time (for example, 5 minutes). It is determined whether or not there is (S1114). If the time difference is equal to or greater than the threshold time (S1114: YES), the information processing device 2 outputs a message to the output device 25, and there is some failure in the reception state of the flicker information sent from the flicker measuring device 4. The user is notified of the occurrence (S1115). On the other hand, if the time difference is less than the threshold time (S1114: NO), the process returns to S1111 and the above-described processing is repeated.

  FIG. 12 is a flowchart for explaining a process (hereinafter referred to as a power control process S1200) for transmitting a control signal for turning on / off the flicker measuring apparatus 4 to the remote power control apparatus 5 performed by the information processing apparatus 2. is there. Hereinafter, the power supply control process S1200 will be described with reference to FIG.

  First, the information processing apparatus 2 determines whether or not an instruction operation for turning off the power of the flicker measurement apparatus 4 from the user to the remote power control apparatus 5 has been received (S1211). Here, for example, the user performs the above-described instruction operation when receiving a notification from the information processing apparatus 2 that some kind of failure has occurred in the above-described flicker information reception state. The instruction operation is received through, for example, a screen shown in FIG. 13 (hereinafter referred to as an off-on instruction reception screen 1300). From the off-on instruction acceptance screen 1300, the user selects and instructs the flicker measuring device 4 to be subjected to power off / on control.

  When the information processing apparatus 2 accepts the instruction operation (S1211: YES), the information processing apparatus 2 targets the corresponding remote power supply control apparatus 5 (the IP address of the corresponding remote power supply control apparatus 5 is the destination), and the flicker measurement apparatus 4 A packet carrying a signal for controlling on / off of the power is generated, and the generated packet is transmitted to the remote power control device 5 via the Internet 51 (S1212). As a result, the remote power control device 5 turns off the power of the flicker measuring device 4 provided therewith. Thereafter, the process returns to S1211.

  As described above, in the flicker monitoring system 1 according to the present embodiment, when the information processing apparatus 2 detects that information related to flicker has not been received from the flicker measurement apparatus 4 for a threshold time or longer, the information processing apparatus 2 turns off the power of the flicker measuring device 4 and restarts the flicker measuring device 4, so that when there is some trouble in the flicker measuring device 4 and the collection of information on flicker is hindered, the remote location Thus, the function of the flicker measuring device 4 can be restored. Therefore, it is possible to minimize the loss of information regarding flicker on the information processing apparatus 2 side, and it is possible to realize a mission critical operation in which power quality is constantly monitored.

  Further, as described above, the hardware and software for realizing the power off / on control mechanism of the flicker measuring device 4 from a remote location is used for remote control between personal computers connected via the Internet 51 or the like. Since the existing general-purpose one can be used, the above mechanism can be realized easily and inexpensively.

  The flicker information reception interval is obtained by collecting and managing information received from the flicker measuring device 4 in a specific file (flicker information file 221) and calculating the time difference between the current time and the file time stamp. Therefore, a mechanism for monitoring the reception state of the flicker information from the flicker measuring apparatus 4 can be easily realized without adding a complicated mechanism or new hardware.

  Further, as the flicker measuring device 4, a device having a function of acquiring information on flicker by turning off the power supply and a function of automatically initializing a function of transmitting the information to the information processing device 2 is used. The function of the flicker measuring device 4 in which the failure has occurred can be reliably restored by the on / off control.

  Further, the user can quickly know the occurrence of the abnormality by the alarm device 3. The user can use the output of the abnormality information as an opportunity to investigate the flicker information received from the flicker measuring device 4 in detail, and the user can take quick measures against the flicker abnormality. In addition, the burden of monitoring the flicker information of the user can be reduced.

  Since both the information processing apparatus 2 and the flicker measuring apparatus 4 and between the information processing apparatus 2 and the remote power supply control apparatus 5 are connected via the Internet 51, information from the flicker measuring apparatus 4 is displayed. Transmission of flicker information to the processing device 2 and control of the remote power supply control device 5 from the information processing device 2 can be performed according to a common protocol, and the communication interface of each device can be simplified and shared. .

  The embodiment described above is for facilitating the understanding of the present invention, and does not limit the present invention. The present invention can be changed and improved without departing from the gist thereof, and the present invention includes the equivalents thereof. For example, the present invention can be applied to various other systems that take a form in which information is notified from the measuring device to the information processing device as needed, such as the system including the information processing device 2 and the flicker measuring device 4 as described above. Can be extended and applied.

DESCRIPTION OF SYMBOLS 1 Flicker monitoring system 2 Information processing apparatus 211 Operating system 212 Data reception part 213 File update part 214 Fault monitoring part 215 Power supply control signal transmission part 3 Alarm device 311 Contact signal reception part 312 Alarm output part 4 Flicker measurement apparatus 411 Initialization processing part 412 Voltage / current measurement unit 413 Flicker information generation unit 414 Data transmission processing unit 415 Alarm contact control unit 5 Remote power supply control device 511 Control signal reception unit 512 Power off / on control unit 6 Alarm contact 51 Internet 52 Dedicated line S1000 Flicker information reception processing S1100 Reception Status monitoring process S1200 Power supply control process 1300 Off-on instruction acceptance screen

Claims (6)

A flicker measuring device for acquiring information on flicker generated in the power system;
An information processing apparatus communicably connected to the flicker measuring apparatus;
A remote power supply control device for remotely controlling the driving power of the flicker measurement device;
A flicker monitoring system including
The flicker measuring device transmits the information to the information processing device as needed,
The information processing apparatus receives the information;
The information processing apparatus monitors the reception time interval of the information, and when the information processing apparatus detects that the information is not received for a preset threshold time or more, transmits the drive power control signal to the remote power supply control apparatus. The flicker monitoring system is characterized in that the flicker measuring device is turned off. The flicker monitoring system according to claim 1,
A file system functions in the information processing apparatus,
The information processing apparatus adds the information to a specific file to manage the information received from the flicker measurement apparatus in a specific file, and manages the current time and the time stamp of the file. A flicker monitoring system, wherein a time difference is acquired as the reception time interval of the information. The flicker monitoring system according to claim 1,
The flicker monitoring system has a function of automatically initializing a function of acquiring at least the information related to flicker and transmitting the information to the information processing apparatus when the power is turned off and on. The flicker monitoring system according to claim 1,
An alarm device that is provided at the installation location of the information processing device and is communicably connected to the flicker measurement device;
The flicker measuring device notifies the abnormality to the alarm device when an abnormality occurs in the measurement value,
The flicker monitoring system, wherein the alarm device outputs information notifying a user of an abnormality when the notification is received. The flicker monitoring system according to claim 1,
The flicker monitoring system, wherein the information processing device is communicably connected to the flicker measuring device and the remote power supply control device via the Internet. A flicker measuring device for acquiring information on flicker generated in the power system;
An information processing apparatus communicably connected to the flicker measuring apparatus;
A remote power supply control device for remotely controlling the driving power of the flicker measurement device;
A flicker monitoring method by a flicker monitoring system including
The flicker measuring device transmits the information to the information processing device as needed,
The information processing apparatus receives the information;
The information processing apparatus monitors the reception time interval of the information, and when the information processing apparatus detects that the information is not received for a preset threshold time or more, transmits the drive power control signal to the remote power supply control apparatus. Then, the flicker measuring apparatus is turned on and off.

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