KR102453041B1 - Expandable Power Quality Data Acquisition System without Power Cut for Multi-purposes - Google Patents

Abstract

The present invention relates to a multipurpose uninterruptible electricity quality data acquisition system with scalability. A measuring device of the present invention can transmit electricity quality data including voltage and current data to a server without a power outage in order to ensure work continuity of a data collection point including a switchgear. To this end, the present invention may include a clamp-type voltage measurement unit and an open-type current measurement unit which allow the measuring device to measure electrical quality data without the power outage.

Description

Expandable Power Quality Data Acquisition System without Power Cut for Multi-purposes

The present invention is specially designed to collect data from the entire power facility of the power user at the same time and continuously for a certain period of time and provide it to the required use. It relates to an electricity quality data collection system that collects data.

In the existing power supply and demand, the main goal was to manage the total load energy centered on the power supply network. However, as energy consumption and costs have risen recently, the demand for energy management centered on the power consumption network of branch loads including industrial facilities, plants, and manufacturing plants is increasing.

Therefore, for the simultaneous and rapid diagnosis and analysis of the power operation state of the power facility, there is a need to collect and collectively measure the electricity quality data of the entire branch load at high speed.

The electricity quality data collection system of the present invention collects operation data of power facilities based on digitalization at high speed, so that it is possible to quickly diagnose the operating status of power facilities and provide basic data for improving facility operation efficiently and economically. have.

Electricity supplied from the power system may be branched by the switchgear and supplied to a load consuming electricity.

The electricity quality data collection system of the present invention may include a measuring device for measuring the voltage and current of the bus bar of the switchgear by a load, and a server to which the voltage data and current data of the switchboard measured from the measuring device are transmitted.

The measuring device of the present invention may acquire voltage data and current data of a load by measuring a bus bar of a switchboard connected to a load.

The measuring device of the present invention may be installed in all switchgears to which the load is connected, and voltage data and current data of all switchgears may be simultaneously transmitted to the server.

The measuring device of the electricity quality data collection system of the present invention may include a clamp-type voltage measuring unit that measures the voltage of the bus bar of the switchboard in an uninterrupted state, and an open current measuring unit surrounding the outer peripheral surface of the bus bar of the switchboard.

The electricity quality data collection system of the present invention may include a measuring device, and the measuring device of the present invention may be provided for each switchboard distributed throughout the power system. In a power system, which means a network from a power provider to a load using power, a switchgear for supplying power to a complicatedly branched load may be provided in a complex manner.

In addition, the electricity quality data collection system of the present invention can simultaneously collect the data of the target device to be analyzed without being limited by the number of facilities while maintaining the continuity of work even without interruption without interruption of the power supplied to the switchgear or the load. It is an invention for a system that exists.

In addition, the electricity quality data collection system of the present invention can collectively manage electricity quality data of a complex branching system in a server with a measuring device installed at each branch point. Therefore, the present invention can be extended and applied to a system that manages the overall electrical quality of a complicatedly branched sub-branch load.

The present invention can provide basic data capable of optimizing the operation of power facilities by diagnosing the operating state of the power facilities by collecting the electricity quality data of the power facilities for a certain period of time.

The present invention can collect and provide simultaneous electricity quality data for a desired period and desired power equipment.

The present invention can reduce losses and reduce electricity bills through stable operation of consumer power facilities, ensure homogeneity of products by maintaining the optimal state of power facilities, and extend the lifespan of power facilities Data for possible electrical quality diagnosis can be provided.

In addition, the present invention can provide a rational method of energy use through the state of the facility, electricity quality, power consumption, peak management, etc. by diagnosing the operating state of the power facility of the power facility.

1 is an explanatory diagram of an electricity quality data collection system of the present invention.
FIG. 2 is another embodiment of FIG. 1 .
3 is a block diagram of the electricity quality data collection system of the present invention.
4 is an explanatory diagram of a voltage measuring unit and a current measuring unit of the present invention.
5 and 6 are explanatory views of the voltage measuring unit of the present invention.
7 is an explanatory view of the current measuring unit of the present invention.

In the case of using an expensive electricity quality collection and analysis device to collect electricity quality data for the operation of power facilities, collection of electricity quality data only at some points upstream of the power system 10 or major bases due to cost burden and analysis may be performed in many cases.

Hereinafter, the electric quality collection and analysis apparatus may be referred to as the measuring device 100 , and the electric power equipment may refer to an entire system including a plant, a manufacturing plant, and an electric vehicle charging station.

The electrical quality of the present invention may include at least one of a voltage, a current, a frequency, an amount of power, and a power factor of the corresponding switchboard 50 measured by the measuring device 100 .

The branching from the upstream power grid to the downstream power grid may be complicated due to the recent increase in various electric consumption loads including electric vehicle charging stations. It can be economically burdensome to install an expensive electricity quality collection and analysis device at every point or base with such complex branches.

Therefore, the electricity quality data collection system of the present invention can measure all power equipment at the same time by using the low-cost configurable measuring device 100, thereby enabling accurate operation diagnosis and management of the power equipment.

Hereinafter, the target measurement location measured by the measurement device 100 of the present invention will be described in the case of the switchboard 50 . The target measurement location may be extended and applied to all the loads 30 consuming the power of the power system 10 as necessary.

The measuring device 100 of the present invention may simultaneously measure all switchgear 50 of the power facility in units of seconds. Accordingly, the present invention can analyze or manage the power quality of the power facility by hour, day of week, month, or the like.

In order to accurately diagnose and analyze the electric quality of electric power equipment, it is necessary to simultaneously collect electric quality data at all points of electric equipment. In order to simultaneously collect electrical quality data at all points of the power facility, the measuring device 100 may be disposed in all the arrangement panels 50 .

In addition, in order to simultaneously collect electricity quality data of all points of the power facility, the measurement of the measuring device 100 needs to be performed without power interruption of the switchboard 50 without interruption.

Simultaneously, if the measurement is not performed uninterrupted when collecting electricity quality data at all points of the power facility, there may be a problem in that the consumption of manpower and time for comparison between the collected electricity quality data increases.

Therefore, the present invention may be directed to a system capable of simultaneously collecting data of a target device to be analyzed without being limited by the number of facilities while maintaining continuity of operation without interruption efficiently and economically.

1 to 3, the structure of the electricity quality data collection system of the present invention will be described.

The power facility may transmit and receive electricity from the power system 10 , and the power facility may receive electricity from the power system 10 through the switchboard 50 . The electricity distributed from the switchboard 50 may be distributed to the load 30 or the switchboard 50 located downstream.

The number of switchgear 50 may increase according to the complexity of the load 30 . The switchgear 50 may include an upstream switchgear for distributing electricity from the upstream of the power system 10 to a lower switchgear or load, and a downstream switchgear positioned downstream of the power system 10 positioned adjacent to the load 30. have.

The upstream switchgear may include a vacuum circuit breaker (VCB), which is a power breaker using a vacuum of a high voltage power circuit. The downstream switchgear may include an Air Circuit Breaker (ACB), which is a power breaker using air of the low voltage power circuit.

Both VCB and ACB are breaker, VCB can use vacuum as the internal medium of the breaker, can be used on the high-pressure side, ACB can use air as the internal media of the breaker, and can be used on the low-pressure side or the large load 30 side. can

The administrator can control the power by turning on/off the upstream switchboard or the downstream switchboard. The manager can manage the total demand of the targeted power facility by grasping the power status in real time.

A voltage drop may occur by the transformer before electricity is distributed to the switchgear 50 .

Since it may be expensive to install an expensive measuring device 100 for each switchgear 50, the present invention provides an inexpensive measuring device 300 installed in all places where measurement of the load 30, switchboard, etc. is required. Costs can be reduced to collect and analyze quality data.

In addition, in installing the measuring device 100 in the switchgear 50, the present invention configures the measuring device 100 to work without interruption, so that it is possible to collect electricity quality data without affecting the work.

The measuring device 100 may be installed in all switchboards 50 of the power facility. Since electricity quality data can be collected at high speed using the real-time measurement information in seconds of the measurement device 100, the present invention can accurately grasp the demand resources of each power facility at the same time, and through this, the total demand for the targeted power facility Able to accurately analyze resource status.

When a plurality of loads 30 are grouped by the switchgear 50 as a unit and divided from a large unit to a small unit, more accurate electricity quality data can be obtained by installing the measuring device 100 at each branching point of each grouping.

2, the electricity quality data collection system of the present invention is located between the server 300 that receives the electricity quality data collected from the measurement device 100, or the measurement device 100 and the server 300, and each other It may include a hub 200 serving as a gateway by enabling communication between networks using different communication networks or protocols.

A plurality of loads 30 may be connected to the switchgear 50 . The load 30 may include a motor, a charger, a generator, and the like, and may be sufficient as long as it consumes power.

1 may illustrate the present invention in terms of the structure concept of upstream and downstream of the power system 10, and FIG. 2 may illustrate the present invention regardless of the location and mutual proximity of the switchgear 50.

The switchgear 50 may be specified to be recognizable by the server 300 . The N number of switchgear 50 may include a first switchboard 51 , a second switchboard 52 , and an Nth switchboard.

The measurement device 100 may be disposed to correspond to each switchboard 50 . N measuring devices may be provided corresponding to the N switchgears 50 . The N measurement devices may include a first measurement device 101 , a second measurement device 102 , and an N-th measurement device.

The electricity quality data measured by the measuring device 100 and subjected to a predetermined processing operation may be sent to the hub 200 .

The electricity quality data of the measuring device 100 may be transmitted to the server 300 through one hub 200 .

The electricity quality data of the measuring device 100 may be transmitted to the server 300 through the plurality of hubs 200 . When the plurality of switchgears 51 and 52 are adjacent to each other locally or networkwise, the electrical quality data of the measuring devices 101 and 102 for measuring the plurality of switchgears 51 and 52 is transmitted to the server 300 through one hub 201. ) can be transmitted. In this case, the hub 200 may include a first hub 201 , a second hub, and an M-th hub.

N and M may be integers, and N may be equal to or greater than M.

Electrical quality data of the switchgear 50 may be transmitted to the hub 200 through the communication line 112 .

Since the hub 200 may be installed adjacent to the measurement device 100 or spaced apart from the measurement device 100 , the communication line 112 connecting the measurement device 100 and the hub 200 may be wired or wireless.

All electricity quality data of the switchboard 50 collected by the hub 200 may be transmitted to the server 300 . The server 300 may collect electricity quality data from the switchgear 50 or the hub 200 scattered in each area. In the server 300 , all electricity quality data of all switchgears 50 may be collected.

The server 300 may be provided to be far apart from the hub 200 or the switchboard 50 , and the communication line 112 connecting the hub 200 and the server 300 may be a wireless type.

The electricity quality data collection system of the present invention may include at least one of a data storage unit 320, a control unit 340, and a data processing unit capable of storing the collected electricity quality data.

The control unit 340 may evaluate and diagnose the current state of the power demand resource of the power facility through the electricity quality data collected in real time by the server 300 .

The control unit 340, using the simultaneously collected electricity quality data, can provide a diagnosis result on the electricity quality state of the power facility in real time, and provide the user with the electricity quality analysis result for a predetermined measured period. can provide

The data processing unit may process the electricity quality data collected in the server 300 as a real-time visualization graph.

3 and 4 , the measuring device 100 includes at least one of a voltage measuring unit 120 , a current measuring unit 130 , an input unit 140 , an output unit 150 , and a matching sensing unit 160 . may include.

The voltage measuring unit 120 may measure the voltage of the switchboard 50 . The current measuring unit 130 may measure the current of the switchboard 50 .

The voltage of the switchboard 50 measured by the voltage measuring unit 120 may be transmitted to the input unit 140 through the measuring line 110 . The current of the switchboard 50 measured by the current measuring unit 130 may be transmitted to the input unit 140 through the measuring line 110 .

The input unit 140 may measure the voltage and current of the switchboard 50 from information received from the voltage measuring unit 120 and the current measuring unit 130 .

The input unit 140 may include a plurality of voltage channels 142 or a plurality of current channels 144 .

The number of voltage channels 142 and current channels 144 may be determined correspondingly according to the number of times the measurement device 100 is measured for the switchgear 50 . The number of times the measurement device 100 measures the switchboard 50 may vary depending on the number of loads 30 connected to the switchboard 50 . For example, when the number of loads 30 connected to the switchgear 50 is 4, the number of times of measurement of the measuring device 100 may be 4, the number of voltage channels 142 of the input unit 140 is also 4, and the input unit The number of current channels of 140 may also be four.

The position of the switchboard 50 measured by the voltage measuring unit 120 or the current measuring unit 130 may be a bus bar 60 . The bus bar 60 may be connected to one load 30 .

The bus bar 60 may be connected to the plurality of loads 30 , and in this case, the user may be interested in the electricity quality data of the plurality of grouped loads 30 . Hereinafter, the same load 30 used when determining the synchronized electricity quality data by the matching detection unit 160 is not only when one load 30 is connected to the bus bar 60 but also when a plurality of loads 30 are connected. cases may be included.

Some of the voltage channels 142 may be insulated from the other voltage channels. The voltage channel 142 may be four of the first voltage channel V1 to the fourth voltage channel V4 , and the fourth voltage channel V4 may be a voltage channel insulated from the rest.

For electric quality data synchronization matching by the matching detection unit 160 , the current channel 144 may be provided in the same number as the voltage channel 142 .

The matching detecting unit 160 may confirm that the voltage measured by the voltage measuring unit 120 and the current measured by the current measuring unit 130 are for the same load 30 .

Synchronized electricity quality data is confirmed by the matching detection unit 160, the voltage measured by the voltage measurement unit 120 and the current measured by the current measurement unit 130 for the same load 30 It may be electricity quality data.

The synchronized electricity quality data may include voltage data measured by the voltage measuring unit 120 and current data measured by the current measuring unit 130 .

If the electricity quality data for the voltage measured by the voltage measurement unit 120 and the current measured by the current measurement unit 130 are not synchronized by the matching detection unit 160 , the measurement device 100 in the server 300 ) may not be transmitted. That is, only the electricity quality data synchronized by the matching detection unit 160 may be transmitted from the measurement device 100 to the server 300 .

When the voltage measuring unit 120 and the current measuring unit 130 measure the bus bar 60 at the same position, the electricity quality data may be synchronized and transmitted to the server 300 .

When the inside of the switchboard 50 is too complicated or simultaneous measurement is required, the position of the bus bar 60 measured by the voltage measuring unit 120 and the position of the bus bar 60 measured by the current measuring unit 130 are different. can

The voltage measuring unit 120 may measure the first bus bar 61 , and the current measuring unit 130 may measure the second bus bar 62 . The voltage measuring unit 120 measuring the first bus bar 61 may be connected to the first voltage channel V1 , and the current measuring unit 130 measuring the second bus bar 62 may be connected to the second current channel. It can be connected to (I2).

In this case, when the load connected to the first bus bar 61 and the load connected to the second bus bar 62 are different from each other, the matching detecting unit 160 sets the voltage data of the first bus bar 61 and the second Current data of the bus bar 62 may not be synchronized.

When the load connected to the first bus bar 61 and the load connected to the second bus bar 62 are the same, the matching detection unit 160 sets the voltage data of the first bus bar 61 and the second bus bar 62 . of the current data may be synchronized, and the synchronized electricity quality data may be transmitted to the server 300 .

The control unit 340 may assign a code that can be distinguished from other synchronized electricity quality data to the synchronized electricity quality data. The code of the synchronized electricity quality data may include at least one of a switchgear 50 code, a voltage channel 142 code of the measurement device 100, and a current channel 144 code.

For example, the first code of the synchronized electricity quality data may be represented by the second switchgear, V1, I2. The first code may mean that the load to which the first voltage channel and the second current channel of the second switchgear among the contents switchgear is connected. This load may be referred to as a first load. Accordingly, when the first code matches the first load and the user inputs the name of the first load through the app 400 , the first code matched with the first load name may be registered in the lookup table.

The data storage unit 320 may store the code of the synchronized electricity quality data, or the name of the load 30 corresponding to the synchronized electricity quality data input by the user through the app 400 .

In this way, the manager can distinguish the mutually synchronized electricity quality data, and can specify the load corresponding to each synchronized electricity quality data.

The user may access the server 300 through the app 400 (app). The user may input the name of the load 30 corresponding to the electricity quality data synchronized by the matching detection unit 160 through the app 400 .

The control unit 340 may match the code of the synchronized electricity quality data with the load name input by the user through the app 400 and provide it. In this way, a lookup table of all the switchgears 50 and connected loads 30 can be completed. The manager can collect and analyze the electricity quality data of the load 30 in the facility power in real time and collectively by using the lookup table.

The output unit 150 may transmit the synchronized electricity quality data to the server 300 through the hub 200 after matching is confirmed by the matching detection unit 160 .

The output unit 150 enables the measurement device 100 to communicate with the outside.

The output unit 150 may be connected to the hub 200 or the server 300 through wireless communication. This may be a case in which the hub 200 or the server 300 is spaced apart from the output unit 150 by a distance.

The output unit 150 may be connected to the hub 200 or the server 300 through a wired communication method. This may be a case where the hub 200 or the server 300 is close to the output unit 150 .

The voltage measuring unit 120 and the current measuring unit 130 will be described with reference to FIGS. 5 to 7 .

The voltage measuring unit 120 and the current measuring unit 130 of the present invention can measure the bus bar 60 of the switchboard 50 without power interruption without interruption of power.

A plurality of loads 30 may be connected to the switchgear 50 or the bus bar 60 .

The user may select from that the electrical quality data of the measuring device 100 measuring a predetermined bus bar 60 is for one load 30 or for a group of loads 30 .

5 and 6 , the voltage measuring unit 120 may have a clamp-type voltage measuring terminal structure that guarantees continuity of operation.

The voltage measuring unit 120 measures at least one of the moving part 122 , the fixing part 123 , the pressing part 124 , the extension part 125 , the support part 126 , the elastic member 127 , and the connection part 129 . may include

The moving part 122 and the fixing part 123 may contact the bus bar 60 of the switchboard 50 in a clamping manner.

5 (a) may be a state before the pressurizing unit 124 of the voltage measuring unit 120 is pressurized, and the moving unit 122 may be in a state located near the fixing unit 123 .

5B shows that the pressurizing unit 124 of the voltage measuring unit 120 is pressurized and the moving unit 122 may be moved forward. When the pressing unit 124 is pressed, the moving unit 122 may be spaced apart from the fixed unit 123 to clamp the bus bar 60 of the switchboard 50 .

When the user presses the pressing unit 124 , the moving unit 122 may be spaced apart from the fixed unit 123 . A distance at which the moving part 122 is spaced apart from the fixing part 123 may be adjusted by the elastic member 127 .

The extension 125 may form a body of the voltage measuring unit 120 . The extension part 125 may extend long in the longitudinal direction for the safety of the user. The user can measure the voltage of the bus bar 60 even at a location far away from the switchboard 50 .

The extension direction of the extension part 125 may be parallel to a direction away from the fixed part 123 of the moving part 122 or a pressing direction of the pressing part 124 .

The elongated extension 125 may be divided into two parts having different thicknesses. The elastic member 127 pressed by the pressing part 124 may be supported by a point between two parts having different thicknesses.

The support part 126 may serve to support the user to press the pressing part 124 . The support part 126 may protrude from the extension part 125 in a direction perpendicular to the longitudinal direction of the extension part 125 .

A process in which a user clamps the bus bar 60 by the moving unit 122 and the fixing unit 123 of the voltage measuring unit 120 will be described.

The user may press the pressing part 124 using the thumb, and in this case, the user may support the support part 126 in a direction opposite to the pressing direction of the pressing part 124 with a finger other than the thumb. The moving part 122 may be spaced apart from the fixed part 123 . The spaced distance of the moving part 122 may be longer than the width or length of the bus bar 60 to be measured. The user may be in a state of withstanding the contracting force of the elastic member 127 in a direction opposite to the pressing direction of the pressing unit 124 when the moving unit 122 is spaced apart. When the user reduces the pressing force on the pressing part 124 , the bus bar 60 may be inserted and clamped between the moving part 122 and the fixed part 123 spaced apart from each other.

The clamping force by the moving part 122 and the fixing part 123 may be due to the elastic member 127 . Until the user presses the pressing unit 124 again, the moving unit 122 and the fixing unit 123 may continuously and strongly clamp the bus bar 60 .

The bus bar 60 of the switchboard 50 may have various shapes. As an embodiment of the bus bar 60 , as shown in FIG. 5 , the bus bar 60 may have a cylindrical shape or a flat rectangular parallelepiped shape.

Ends of the moving part 122 and the fixing part 123 that come into contact with the bus bar 60 during clamping may have a flat plate shape. Due to the flat plate shape, the voltage measuring unit 120 can stably clamp the bus bars 60 of all the switchgears 50 .

The user can measure the voltage of the target bus bar 60 stably even at a position far away from the switchboard 50 because the moving part 122 and the fixing part 123 come into contact with the bus bar 60 in a clamping manner. can

Therefore, the user collects electricity quality data stably in the switchgear 50 where wires are complicatedly arranged by the extended part 125 that extends long, and the movable part 122 and the fixing part 123 that can be stably clamped. can do.

Electricity connected to the moving unit 122 and the fixed unit 123 is sent to the input unit 140 through the connecting unit 129 to measure the voltage of the bus bar 60 to which the moving unit 122 and the fixed unit 123 are connected. can do.

The current measuring unit 130 of the present invention may measure the current flowing through the bus bar 60 in an open type to ensure continuity of work. The current measuring unit 130 may include a hook-shaped grip unit 132 .

7 may be an embodiment of the grip part 132 . The grip part 132 may have a shape surrounding the outer circumferential surface of the bus bar 60 . The current measuring unit 130 may acquire information on the current flowing through the bus bar 60 through the grip unit 132 and transmit it to the input unit 140 .

Therefore, the measuring device 100 of the present invention transmits electricity quality data including voltage and current data to the server 300 without blackout in order to ensure continuity of operation of the data collection point including the switchboard 50. can be sent to To this end, the present invention may include a clamp-type voltage measuring unit 120 and an open current measuring unit 130 that enable the measuring device 100 to measure electricity quality data without being accompanied by a power failure.

10... power grid 12... power line
30... load 50... switchboard
51... Switchboard 1 52... Switchboard 2
60... busbar 61... first busbar
62... 2nd busbar 100... Measuring device
101... first measuring device 102... second measuring device
110... Measuring line 112... Communication line
120... Voltage measuring part 122... Moving part
123... fixed part 124... pressurized part
125... extension 126... support
127... elastic member 129... connection
130... Current measuring unit 132... Grip unit
140... input 142... voltage channel
144... Current Channel 150... Output
160... Matching Detector 200... Hub
201... first hub 300... server
320... data storage 340... control
400... apps

Claims (15)

Electricity supplied from the power system is branched by the switchboard and supplied to a plurality of loads that consume electricity,
A measuring device comprising: a current measuring unit including a voltage measuring unit for measuring the voltage of the bus bar of the switchboard;
a matching detection unit for confirming that the voltage measured by the voltage measuring unit and the current measured by the current measuring unit are for the same load;
a server receiving voltage data and current data of the load measured from the measuring device; includes,
The measuring device measures the bus bar of the switchboard connected to the load to obtain voltage data and current data of the load,
The measuring device can be installed in all switchboards to which the load is connected,
Voltage data and current data of all switchboards are simultaneously transmitted to the server,
The bus bar is measured by the voltage measuring unit and the current measuring unit in an uninterrupted state,
The voltage measuring unit measures a first bus bar of the switchboard, and the current measuring unit measures a second bus bar of the switchboard,
The matching detection unit checks voltage data and current data as synchronized electricity quality data only when the first bus bar and the second bus bar are connected to the same load, and the synchronized electricity quality data is transmitted to the server,
The voltage measuring unit measures the first bus bar of the switchboard by a clamping method,
The voltage measuring unit includes a moving part and a fixed part contactable to the bus bar of the switchboard, a pressing part for pressing the moving part, and an extension part forming a body,
The moving part is pressed by the pressing part, the moving part is spaced apart from the fixed part, and a space into which the bus bar can be inserted is formed between an end of the moving part and an end of the fixed part,
The end of the moving part and the end of the fixed part are flat plate shapes so that the moving part and the fixed part can be clamped and maintained regardless of the shape of the bus bar,
In an uninterrupted state, the extension portion extends along the longitudinal direction so that the bus bar can be measured while the person is separated from the bus bar in an uninterrupted state.
delete The method of claim 1,
The server includes a data storage unit for storing voltage data and current data collected from all switchboards,
a control unit configured to provide, in real time, a diagnosis and analysis result for the electrical quality state of the switchboard by using the voltage data and current data stored in the data storage unit; Electrical quality data collection system comprising a.
The method of claim 1,
The voltage measuring unit and the current measuring unit are connected to the input unit, and the input unit measures the voltage and current of the switchboard from the information received from the voltage measuring unit and the current measuring unit,
The input unit includes a voltage channel connected to the voltage measurement unit, and a current channel connected to the current measurement unit,
The number of times the measurement device is measured for the switchboard is determined by the number of loads connected to the switchboard,
The number of voltage channels and current channels is determined by the number of times the measurement device is measured on the switchboard.
delete delete delete The method of claim 1,
a control unit for generating codes that can be distinguished from each other among the synchronized electricity quality data; includes,
wherein the code includes at least one code of the switchgear, a voltage channel of the measuring device, and a current channel, which are distinguished from each other.
The method of claim 1,
the synchronized electricity quality data is matched with a load for which the synchronized electricity quality data is measured;
The name of the load is entered through the app,
a control unit matching the name of the load from which the synchronized electricity quality data and the synchronized electricity quality data are measured; Electrical quality data collection system comprising a.
The method of claim 1,
The voltage measuring unit and the current measuring unit are connected to an input unit including a voltage channel and a current channel,
The voltage measuring unit measuring the first bus bar is connected to a first voltage channel which is one of the voltage channels, and the current measuring unit measuring the second bus bar is connected to a first current channel which is one of the current channels,
a control unit generating a code including a load to which the first bus bar and the second bus bar are connected, the first voltage channel, and the first current channel; Electrical quality data collection system comprising a.
delete The method of claim 1,
The extension direction of the extension part is parallel to the separation direction of the moving part from the fixed part, or the pressing direction of the pressing part.
delete The method of claim 1,
The current measuring unit is an electricity quality data collection system including a hook-shaped grip unit.
The method of claim 1,
a hub positioned between the measurement device and the server;
Voltage data and current data obtained from the measuring device are transmitted to the server through the hub,
The hub serves as a gateway by enabling communication between networks using different communication networks or protocols.

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