KR20170037470A - Power measurement device using the plural of power measuring apparatus of electric power feeder - Google Patents

Power measurement device using the plural of power measuring apparatus of electric power feeder Download PDF

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Publication number
KR20170037470A
KR20170037470A KR1020150137140A KR20150137140A KR20170037470A KR 20170037470 A KR20170037470 A KR 20170037470A KR 1020150137140 A KR1020150137140 A KR 1020150137140A KR 20150137140 A KR20150137140 A KR 20150137140A KR 20170037470 A KR20170037470 A KR 20170037470A
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KR
South Korea
Prior art keywords
power
amount
measuring device
feeders
measuring
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KR1020150137140A
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Korean (ko)
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KR101747124B1 (en
Inventor
안영호
조선건
최재영
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주식회사 레티그리드
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Priority to KR1020150137140A priority Critical patent/KR101747124B1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/30—Dynamo-electric motor meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
    • G01R31/024—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention relates to an apparatus for measuring power using a plurality of power supplying units. The power measuring apparatus applied to an incoming panel receiving power from the outside and a distribution board distributing received external power to a plurality of loads comprises: a plurality of power supply units distributing power received to the incoming panel to a plurality of loads; and a control board controlling the power measuring device included in the power supplying units and calculating the measured power. The apparatus of measuring power using a power measuring device of a plurality of power supplying units can have an effect of directly measuring external power usage input to a power receiving unit through a high current power measuring device of the power receiving unit without the high current power measuring device of the power receiving unit and have simple and inexpensive structure by calculating the external power usage input to the power receiving unit installed in the incoming panel using the power measuring device included in a plurality of power supply units installed in the distribution board. Also, the apparatus of measuring power using a power measuring device of a plurality of power supplying units calculates external power usage input to the power receiving unit installed in the incoming panel using the power measuring device included in the power supply units installed in the incoming panel, calculates external power input to the power receiving unit installed in the incoming panel using the power measuring device included in the power supply units installed in the distribution boards, or calculates external power usage input to the power receiving unit installed in the distribution board using the power measuring device included in the power supply units installed in the distribution board. Therefore, the apparatus of measuring power using a power measuring device of a plurality of power supplying units have various types of incoming panels or distribution boards.

Description

TECHNICAL FIELD [0001] The present invention relates to a power measuring apparatus using a plurality of power feeders,

The present invention relates to a power measuring apparatus using power meters of a plurality of power feeders, and more particularly, to a power measuring apparatus using a plurality of power feeders that have an effect of directly measuring an external power amount by calculating an external power amount input and distributed to a plurality of power feeders And more particularly to a power measuring apparatus using all power meters.

Generally, the power distribution and distribution system that receives power from external sources and distributes them to various loads is composed of a power receiving unit that receives external power and a power feeding unit that distributes the received external power to a plurality of loads through the entire distribution. In this case, the power receiver may include a large-current power meter for measuring the amount of incoming power received in the receiver and a large-capacity circuit breaker (for example, 400A / 1000A) corresponding to the amount of received power. The power feeder measures the amount of power supplied from the receiver And a small-capacity circuit breaker (for example, 100A / 200A), and the power-feeding portion may include a plurality of power-feeding portions.

However, the power meter for large current included in the receiver has an advantage that it can directly measure the amount of received power entering the receiver. However, since the cost is high and the installation cost of the power switchboard is high, There is a problem.

In addition, when the power receiver and the power feeder are configured together, a separate facility and a control module for controlling the power receiver and the power feeder are required, which complicates the configuration of the entire power measuring device.

The present invention has been proposed in order to solve the above-mentioned problems of the conventional methods. The present invention calculates an external power amount input to a power receiver installed in a switchboard by using a power meter included in a plurality of power feeders installed in the distribution And provides a simple structure and a low-cost power measuring device capable of directly measuring an external power amount input to the power receiving unit through a power measuring unit for a large current, even when there is no power measuring unit for a large current of the power receiving unit For that purpose.

The amount of external power input to the power receiver installed in the power transmission / distribution panel may be calculated by using a power meter included in a plurality of power feeders provided in the power transmission / reception step, or an amount of external power input to the power receiver installed in the power / Or by using a power meter included in a plurality of power feeders installed in the entire distribution to calculate an external power amount inputted to the power receiver installed in the entire distribution, Another purpose is to construct the first half.

According to an aspect of the present invention, there is provided a power measuring apparatus using a plurality of power feeders,

1. A power measurement apparatus applied to a distribution and distribution board that receives power from the outside, and a distribution system that distributes received external power to a plurality of loads,

A plurality of power feeders for distributing electric power to the load / And

And a control board for controlling the power meters included in the plurality of power feeders and calculating the measured power amount.

Preferably, the above-

And a breaker,

The power-

And can be configured without a power meter for measuring an external power amount inside.

Preferably, the plurality of power feeding portions include:

A power meter and a circuit breaker which can be installed in the power line or the distribution, and measure the amount of power inputted or distributed to the power feeder,

And the amount of external power input to the switchboard can be calculated using a power meter included in the plurality of power feeders.

Preferably, the control board includes:

And the power of the power measuring apparatus is cut off when the amount of power input to the entire power line or distribution exceeds the measurable capacity.

More preferably, the control board includes:

Wherein the monitoring unit monitors in real time the amount of power flowing to the power measuring device or communicates with an external server.

Preferably,

And a display unit for displaying an amount of power calculated by the control board.

Preferably,

And a video current transformer capable of detecting whether or not there is a leakage current in the whole of the switchboard or the distribution.

Preferably,

And a current transformer capable of adjusting a current at a predetermined ratio when it is difficult to directly measure the magnitude of the current input to the whole of the switchboard or the distribution.

According to the power measuring apparatus using the power meters of the plurality of power feeders proposed in the present invention, the amount of external power input to the power receiver installed in the power distribution panel is calculated by using a power meter included in a plurality of power feeders installed in the distribution A simple structure and a low-cost power measurement device capable of directly measuring an external power amount inputted to the power receiving portion through a power meter for large current of the power receiver can be provided even if there is no power meter for large current of the power receiver .

The amount of external power input to the power receiver installed in the power transmission / distribution panel may be calculated using a power meter included in a plurality of power feeders installed in the power distribution panel, or the amount of external power input to the power receiver installed in the power / It is possible to calculate by using a power meter included in the power feeder or to calculate the amount of external power input to the power receiver installed in the entire distribution by using a power meter included in a plurality of power feeders installed in the entire distribution, Multiple Plans can be configured.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a configuration of a power measuring apparatus using a plurality of power feeders according to an embodiment of the present invention. FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power measuring apparatus using a plurality of power feeders.
3 is a view illustrating a feeding part of a power measuring apparatus using a plurality of power feeders according to an embodiment of the present invention.
4 is a view illustrating a control board of a power measuring apparatus using a plurality of power feeders of a power feeder according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of a display unit of a power measuring apparatus using a plurality of power feeders of a power feeder according to an embodiment of the present invention.
6 is a view illustrating a display unit of a power measuring apparatus using a plurality of power feeders according to an exemplary embodiment of the present invention.
7 is a view illustrating a video current transformer of a power measuring apparatus using a plurality of power feeders of a power feeder according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.

FIG. 1 is a diagram illustrating a configuration of a power measurement apparatus using a plurality of power feeders according to an exemplary embodiment of the present invention. FIG. 2 is a block diagram of a power meter of a plurality of feeders according to an exemplary embodiment of the present invention. Fig. 2 is a perspective view of a power measuring apparatus used. As shown in FIG. 1, a power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention includes a power distributing unit that receives power from the outside and distributes the received external power to a plurality of loads The power measuring apparatus 10 includes a plurality of power feeders 100 and a control board 200. The power meter 100 includes a display unit 300, a video transformer 400, and a current transformer 500 ).

Hereinafter, each component constituting the power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention will be described in detail with reference to the drawings.

In general, the distribution system that distributes electric power to an external power supply and received power to various loads can be configured to include all of the power receiving external power and the power feeding unit that distributes the received external power. In this case, the power receiver may include a high-current power meter for measuring the amount of received power entering the receiver and a large-capacity circuit breaker (for example, 400A / 1000A) corresponding to the amount of received power.

The power feeder 100 of the power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention is installed in the entire power transmission or distribution system and distributes the power to the plurality of loads And may include a feeder unit 110 and a breaker 120 therein. 3 is a view showing a feeding unit 100 of a power measuring apparatus 10 using a plurality of feeders according to an embodiment of the present invention. 3, the feeder 100 of the power measuring apparatus 10 using a plurality of feeders according to an embodiment of the present invention includes a feeder 110 and a breaker 120 therein . The feeder unit 110 may include a power meter that distributes the power input to the power feeder 100 to each load and measures input or distributed power. In addition, when the external power exceeding the range acceptable by each power feeder 100 is input, the circuit breaker 120 can prevent a safety accident by cutting off electricity.

The power feeder 100 of the power measuring device 10 using a plurality of power feeders according to the embodiment of the present invention is configured such that the power feeders 100 are connected in parallel, The instrument may include a power meter for small current instead of a high-current power meter coming into the switchboard.

The control board 200 controls the power meters included in the plurality of power feeders 100 and calculates the measured power amount and supplies the calculated power information to the plurality of By sharing the power information with the power measuring device 10 using the power feeder, the measured power information can be utilized in various areas. 4 is a view illustrating a control board 200 in a power measuring apparatus using a plurality of feeders according to an embodiment of the present invention. As shown in FIG. 4, the control board 200 may include a separate processing unit 210 that can communicate with an external server and calculates the amount of power input or distributed to the power feeder 100. That is, the control board 200 can communicate with an external server through a communication standard such as Ethernet or Universal Asynchronous Receiver / Transmitter (UART) The total sum of the external power input to each power feeder 100 and the total amount of power to be distributed from the power feeder 100 can be obtained while communicating with the power feeder 100.

As described above, the power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention can measure the amount of power input to each power feeder 100 by using a power meter included in the plurality of power feeders 100, The control board 200 calculates the amount of power distributed from the power feeder 100 and adds the measured amount of power to the control board 200 so that the amount of external power input to the power receiver can be reduced to the power It is possible to obtain an effect of directly measuring by using an instrument.

The plurality of power feeders 100 of the power measuring device 10 using a plurality of power feeders according to an embodiment of the present invention can measure the amount of external power input to the power receiver installed in the power / It is possible to measure the amount of external power input to the receiver installed in the distribution panel installed in all of the plurality of distributions or to measure the amount of external power input to the receiver installed in the distribution throughout the distribution. As described above, the plurality of power feeders 100 can be used for constructing various types of switchgear or plural generators.

The control board 200 may include a power supply module 220 and a power supply module 220 for supplying power to the power supply unit 100 and the display unit 300. This power supply module 220 allows the system to reserve time for storing the accident data for a predetermined period of time in order to store the accident log in case of a power failure, have.

In addition, the control board 200 monitors the amount of power flowing to the power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention in real time, and calculates a capacity capable of measuring the amount of power input to the power- It is possible to shut off the power of the power measuring apparatus 10 and communicate with the external server to extend the utilization of the measured data in the control board 200 to various fields.

The power measuring apparatus 10 using a plurality of power feeders according to an exemplary embodiment of the present invention may further include a display unit 300 that displays a magnitude of a power amount calculated by the control board 200. [ 5 is a diagram illustrating a configuration of a display unit 300 of a power measuring apparatus using a plurality of power feeders according to an embodiment of the present invention. 5, the display unit 300 can communicate with the control board 200 to display power information such as the amount of power calculated by the control board 200, and the power information includes not only the amount of power Current or voltage, and the like. 6 is a diagram illustrating a display unit 300 of a power measurement apparatus using a plurality of power feeders according to an exemplary embodiment of the present invention.

The sum of the electric vectors is theoretically 0, but when the leakage current is present, the sum of the electric vectors is not 0 . In order to detect such a leakage current, the power measuring apparatus 10 using a plurality of power feeders according to an embodiment of the present invention may further include a video current transformer 400, The leakage current can be detected. FIG. 7 is a diagram illustrating a video current transformer 400 of a power measurement apparatus using a plurality of power feeders according to an embodiment of the present invention.

The power measuring device 10 using a plurality of power feeders according to an embodiment of the present invention can be used in various electric equipment, and the power input to the electric equipment can also vary. In this case, when it is difficult to directly measure the magnitude of the current input to the power supply or distribution panel or the distribution, the power measurement device 10 using a plurality of power feeders according to an embodiment of the present invention can control the current And a current transformer 500 having a transformer.

The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.

10: Power measuring device using a plurality of feeding parts
100: feeding part 110: feeder part
120: Circuit breaker 200: Control board
210: processing device 220: power supply module
300: display unit 400: video current transformer
500: Current transformer

Claims (8)

1. A power measuring apparatus (10) applied to a distribution and distribution system that receives power from the outside, and to a distribution system that distributes received external power to a plurality of loads,
A plurality of power feeders (100) for distributing power to the load / And
And a control board (200) for controlling the power meters included in the plurality of power feeders (100) and calculating the measured power amount.
The apparatus according to claim 1,
And a breaker,
The power-
Wherein the electric power measuring device can be configured without a power meter for measuring an external power amount inside.
The power supply unit according to claim 1, wherein the plurality of power feeders (100)
A power meter and a circuit breaker which can be installed in the power transmission or distribution panel and measure the amount of power inputted or distributed to the power feeder 100,
Wherein an external power amount inputted to the power transmission / reception panel can be calculated using a power meter included in the plurality of power feeders (100).
The control board according to claim 1, wherein the control board (200)
And power off the power measuring apparatus (10) when the amount of power input to the entire power line or the distribution exceeds a measurable capacity.
5. The apparatus of claim 4, wherein the control board (200)
Wherein the monitoring unit monitors in real time the amount of power flowing to the power measuring device (10) or communicates with an external server.
The method according to claim 1,
Further comprising a display unit (300) for displaying the amount of power calculated by the control board (200).
The method according to claim 1,
Further comprising a video current transformer (400) that can determine whether there is a leakage current in the entire switching or distribution system.
The method according to claim 1,
And a current transformer (500) capable of adjusting a current at a predetermined ratio when it is difficult to directly measure the magnitude of the current input to the entire power line or distribution system. Measuring device.
KR1020150137140A 2015-09-25 2015-09-25 Power measurement device using the plural of power measuring apparatus of electric power feeder KR101747124B1 (en)

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KR1020150137140A KR101747124B1 (en) 2015-09-25 2015-09-25 Power measurement device using the plural of power measuring apparatus of electric power feeder

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102427952B1 (en) * 2022-03-03 2022-08-02 주식회사 아이파워 Safe Operation Type Carbon Neutral Distribution Board System Capable of Emergency Response

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3325738B2 (en) 1995-03-13 2002-09-17 三菱電機株式会社 Composite indicating instrument
JP5971701B2 (en) 2012-05-18 2016-08-17 株式会社東芝 Distributed power supply apparatus and distributed power supply cooperation system
JP6029340B2 (en) * 2012-06-15 2016-11-24 三菱電機株式会社 DC switchboard system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102427952B1 (en) * 2022-03-03 2022-08-02 주식회사 아이파워 Safe Operation Type Carbon Neutral Distribution Board System Capable of Emergency Response
KR102552253B1 (en) * 2022-03-03 2023-07-07 주식회사 일산이엔지 Safe Operation Type Distribution Board System Capable of Emergency Response

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