KR200227819Y1 - electric power a wattmeter and mof led of loss indication equipment - Google Patents

electric power a wattmeter and mof led of loss indication equipment Download PDF

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KR200227819Y1
KR200227819Y1 KR2020010001968U KR20010001968U KR200227819Y1 KR 200227819 Y1 KR200227819 Y1 KR 200227819Y1 KR 2020010001968 U KR2020010001968 U KR 2020010001968U KR 20010001968 U KR20010001968 U KR 20010001968U KR 200227819 Y1 KR200227819 Y1 KR 200227819Y1
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led
light emitting
emitting diode
terminal
meter
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KR2020010001968U
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Korean (ko)
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강정호
도상수
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한국전력공사
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Abstract

본 고안은 전력량계 및 계기용변성기(M.O.F)의 내부에 각 소자별로 발광다이오드(LED) 설치하되, 상기 발광다이오드(LED)를 전력량계 시험용단자(프렛샤단자)와 접지측단자에 설치하여 전력량계가 정상설치 상태에서는 발광다이오드(LED)가 상시 점등상태에 있다가 프렛샤단자가 작동되면 소등상태가 되어 전압회로의 결상유무를 판독하도록 구성하거나, 상기 발광다이오드(LED)를 전류코일측 단자와 프렛샤단자에 설치하여 전력량계가 정상설치 상태에서는 발광다이오드(LED)가 상시 소등상태에 있다가 프렛샤단자가 작동되면 점등상태가 되어 전압회로의 결상유무를 판독하도록 구성하므로서, 전력량계의 조작에 의한 도전을 사전하고 계기용변성기의 결상으로 인한 과소계량을 신속히 색출하여 전력수급거래의 정상화를 기할 수 있고, 활선상태의 접촉이나 접근을 피할 수 있어 안전사고를 예방함은 물론 기존의 계량기 내부에 계측용 전압코일 단자에 발광다이오드를 간편하게 장착하여 전압코일의 단선으로 인한 계측불능 사례를 막고, 이를 외부에서 용이하게 감시 할 수 있으며, 적은 비용으로 기존 계량기를 전혀 개조하지 않고 발광다이오드를 설치할 수 있어 경제성이나 실용적인 면에서 매우 뛰어나도록 한 것이다.The present invention is to install a light emitting diode (LED) for each element inside the meter and the transformer (MOF), the meter is installed on the test meter (fretsha terminal) and the ground side terminal of the meter In the installed state, the light emitting diode (LED) is always turned on, but when the pretzel terminal is operated, the light emitting diode (LED) is turned off to read whether there is a phase fault in the voltage circuit, or the light emitting diode (LED) is connected to the current coil side terminal and the fretsha When the power meter is normally installed and the power meter is in a normal installation state, the LED is always turned off, but when the frets terminal is activated, the LED is turned on to read the phase of the voltage circuit. It is possible to normalize the power supply and demand transaction by exploring the under-quantity due to the missing phase of the instrument transformer in advance, and to make the live contact. In addition, it prevents safety accidents and prevents accidents due to disconnection of voltage coils by easily installing a light emitting diode on the voltage coil terminal for measurement inside the existing meter. In addition, it is possible to install a light emitting diode without any modification of the existing meter at a low cost, so that it is very economical and practical.

Description

전력량계 및 계기용변성기 발광다이오드에 의한 결상 표시장치{electric power a wattmeter and mof led of loss indication equipment}Electrical power a wattmeter and mof led of loss indication equipment

본 고안은 전력량계 및 계기용변성기 발광다이오드에 의한 결상 표시장치에 관한 것으로, 전력량계의 조작에 의한 도전을 사전하고 계기용변성기의 결상으로 인한 과소계량을 신속히 색출하여 전력수급거래의 정상화를 기할 수 있고, 활선상태의 접촉이나 접근을 피할 수 있어 안전사고를 예방함은 물론 기존의 계량기 내부에 계측용 전압코일 단자에 발광다이오드를 간편하게 장착하여 전압코일의 단선으로 인한 계측불능 사례를 막고, 이를 외부에서 용이하게 감시 할 수 있으며, 적은 비용으로 기존 계량기를 전혀 개조하지 않고 설치할 수 있어 경제성이 뛰어난 것이다.The present invention relates to an image display device using a power meter and a transformer for light emitting diodes, which can advance the challenge caused by the operation of a power meter and quickly detect the under-quantity caused by the missing phase of the transformer for measuring the power supply. In addition, it prevents safety accidents by avoiding live contact or access, and easily installs a light emitting diode at a voltage coil terminal for measurement inside the existing meter to prevent measurement failure due to disconnection of the voltage coil. It can be easily monitored and can be installed without any modifications to existing meters at a low cost.

종래에는 방대한 수량의 거래용 전력량계 및 계기용변성기의 전압회로 결상유무를 확인하기 위하여 전력량계의 외함 및 단자커버의 봉인을 제거한 후에 전압측정기로 단자 전압을 육안으로 직접 확인해서 체크해서 재봉인해야 하므로 과정이 복잡하고 시간이 소요되었고, 전력량계 시험용단자는 제위치에 고정되어 있으나 바니쉬나 기타 투명절연 물질로 절연처리하였을 때는 조작여부 확인이 곤란한 문제점이 있었다.Conventionally, in order to check whether there is a voltage circuit loss of a large quantity of trading meter and instrument transformer, after removing the enclosure of the meter and the terminal cover, it is necessary to check and sew the terminal voltage with a voltage meter. This complicated and time-consuming, power meter test terminal was fixed in place, but when it was insulated with varnish or other transparent insulating material, it was difficult to check the operation.

본 고안은 상기와 같은 종래의 제반 문제점을 감안하여 안출한 것으로, 전력량계의 조작에 의한 도전을 사전에 예방하고 계기용변성기의 결상으로 인한 과소계량을 신속히 색출하여 전력수급거래의 정상화를 기할 수 있고, 활선상태의 접촉이나 접근 피할 수 있어 안전사고를 예방함은 물론 기존의 계량기 내부에 계측용 전압코일 단자에 발광다이오드를 간편하게 장착하여 전압코일의 단선으로 인한 계측불능 사례를 막고, 이를 외부에서 용이하게 감시 할 수 있으며, 적은 비용으로 기존 계량기를 전혀 개조하지 않고 설치할 수 있도옥 함에 그 목적이 있다.The present invention has been devised in view of the above-mentioned problems in the prior art, and it is possible to prevent the challenge caused by the operation of the electricity meter in advance, and to quickly find the under-quantity caused by the missing phase of the transformer for instrumentation to normalize the power supply and demand transaction. It prevents accidents and prevents accidents due to disconnection of voltage coils by easily attaching a light emitting diode to the voltage coil terminal for measurement inside the existing meter. Its purpose is to ensure that it can be monitored easily and that it can be installed without any modifications to existing meters at low cost.

도 1a은 본 고안의 구성을 단상 전력량계에 설치한 상태를 나타낸 예시도.Figure 1a is an exemplary view showing a state in which the configuration of the subject innovation installed in a single-phase wattmeter.

도 1b는 본 고안의 구성을 삼상 전력량계에 설치한 상태를 나타낸 예시도.Figure 1b is an exemplary view showing a state in which the configuration of the subject innovation is installed in a three-phase electricity meter.

도 1c는 본 고안의 구성을 삼상 4선식 전력량계에 설치한 상태를 나타낸 예시도.Figure 1c is an exemplary view showing a state in which the configuration of the subject innovation is installed in a three-phase four-wire wattmeter.

도 1d는 본 고안의 구성을 계기용 변성기에 설치한 상태를 나타낸 예시도.Figure 1d is an exemplary view showing a state in which the configuration of the subject innovation installed in the instrument transformer.

도 2a은 본 고안의 다른 구성을 단상 전력량계에 설치한 상태를 나타낸 예시도.Figure 2a is an exemplary view showing a state in which the other configuration of the present invention installed on a single-phase wattmeter.

도 2b는 본 고안의 다른 구성을 삼상 전력량계에 설치한 상태를 나타낸 예시도.Figure 2b is an exemplary view showing a state in which another configuration of the present invention is installed in a three-phase electricity meter.

도 2c는 본 고안의 구성을 삼상 4선식 전력량계에 설치한 상태를 나타낸 예시도.Figure 2c is an exemplary view showing a state in which the configuration of the subject innovation is installed in a three-phase four-wire wattmeter.

♣도면의 주요부분에 대한 부호의 설명♣♣ Explanation of symbols for main part of drawing ♣

10 : 전력량계 20 : 계기용변성기10: power meter 20: instrument transformer

30 : 발광다이오드(LED) 40 : 전력량계 시험용단자(프렛샤단자)30: light emitting diode (LED) 40: power meter test terminal (fretsha terminal)

50 : 접지측단자 60 : 전류코일측 단자50: Grounding terminal 60: Current coil side terminal

상기와 같은 목적을 달성하기 위한 본 고안은 첨부 도면 도 1a 내지 도 2c에 도시된 바와 같이 전력 사용량을 측정하는 전력량계의 전압회로의 결상유무를 측정함에 있어서,The present invention for achieving the above object in measuring the presence or absence of the phase of the voltage circuit of the electricity meter for measuring the power consumption as shown in the accompanying drawings, Figure 1a to 2c,

상기 전력량계(10) 및 계기용변성기(M.O.F)(20)의 내부에 각 소자별로 발광다이오드(LED)(30) 설치하되, 상기 발광다이오드(LED)(30)를 전력량계 시험용단자(프렛샤단자)(40)와 접지측단자(50)에 설치하여 전력량계(10)가 정상설치 상태에서는 발광다이오드(LED)(30)가 상시 점등상태에 있다가 프렛샤단자(40)가 작동되면 소등상태가 되어 전압회로의 결상유무를 판독하도록 구성하였다.The light emitting diode (LED) 30 is installed for each element in the power meter 10 and the instrument transformer (MOF) 20, and the light emitting diode (LED) 30 is connected to the power meter test terminal (fretsha terminal). 40 and the ground side terminal 50, the power meter 10 is in the normal installation state, the light-emitting diode (LED) 30 is always on, and when the frets terminal 40 is turned off, the light is turned off. It is configured to read the presence of phase loss of the voltage circuit.

여기서, 상기 전력량계(10)의 내부에 각 소자별로 발광다이오드(LED)(30) 설치하되, 상기 발광다이오드(LED)(30)를 전류코일측 단자(60)와 프렛샤단자(40)에 설치하여 전력량계(10)가 정상설치 상태에서는 발광다이오드(LED)(30)가 상시 소등상태에 있다가 프렛샤단자(40)가 작동되면 점등상태가 되어 전압회로의 결상유무를 판독하도록 구성할 수 도 있다.Here, the light emitting diodes (LEDs) 30 are installed for each device inside the wattmeter 10, and the light emitting diodes (LEDs) 30 are installed at the current coil side terminal 60 and the frescher terminal 40. Thus, when the power meter 10 is normally installed, the light emitting diode (LED) 30 is always turned off, but when the frets terminal 40 is operated, it is turned on to read the presence or absence of an image of the voltage circuit. have.

상기와 같은 본 고안의 사용상태를 설명하면 다음과 같다.Referring to the use state of the present invention as described above are as follows.

첨부 도면 도 1a에 도시된 바와 같이 단상 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)와 내부 부하측 단자(1L)(2L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자 중 접지측 단자(2S)와 프렛샤단자(40)간에 발광다이오드(LED)(30)를 설치한다.As shown in FIG. 1A, a light emitting diode (LED) 30 is installed at an external artificial side terminal 1S and 2S and an internal load side terminal 1L and 2L, which are connected to a single-phase power meter. A light emitting diode (LED) 30 is provided between the ground terminal 2S and the frescher terminal 40 among the artificial terminals.

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 점등상태에 있다가 프렛샤단자(40)가 작동하면 소등상태가 되어 전력량계의 전압회로에 결상유무를 확인할 수 있다.The light emitting diode (LED) 30 installed as described above is always in a lit state, but when the pretzel terminal 40 is operated, the light is turned off to check whether there is an image in the voltage circuit of the electricity meter.

또한, 첨부 도면 도 1b에 도시된 바와 같이 삼상 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)(3S)와 내부 부하측 단자(1L)(2L)(3L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자(1S)(3S)의 프렛샤단자(40)와 접지측단자(2S)간에 발광다이오드(LED)(30)를 설치한다.Further, as shown in FIG. 1B, a light emitting diode (LED) is connected to an external artificial side terminal 1S (2S) 3S and an internal load side terminal 1L (2L) 3L connected to a three-phase wattmeter. 30), but a light emitting diode (LED) 30 is installed between the frescher terminal 40 and the ground terminal 2S of the external artificial side terminals 1S and 3S.

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 점등상태에 있다가 프렛샤단자(40)가 작동하면 소등상태가 되어 상별로 전력량계의 전압회로에 결상유무를 확인할 수 있으며, 첨부 도면 도 1c에 도시된 바와 같이 삼상 4선식 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)(3S)와 중성측 단자(OS)(OL)와 내부 부하측 단자(1L)(2L)(3L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자(1S)(2S)(3S)의 프렛샤단자(40)와 접지측단자(OS)간에 발광다이오드(LED)(30)를 설치한다.The light-emitting diode (LED) 30 installed as described above is always in a lit state, but when the pretzel terminal 40 is operated, the light-emitting diode is turned off to check whether there is a phase loss in the voltage circuit of the electricity meter for each phase. To the external artificial terminal 1S, 2S, 3S, neutral terminal OS, OL, and internal load side terminals 1L, 2L, 3L connected to a three-phase four-wire wattmeter as shown in A light emitting diode (LED) 30 is installed, and the light emitting diode (LED) 30 is connected between the frescher terminal 40 and the ground terminal OS of the external artificial side terminals 1S, 2S, and 3S. Install.

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 점등상태에 있다가 프렛샤단자(40)가 작동하면 소등상태가 되어 상별로 전력량계의 전압회로에 결상유무를 확인할 수 있다.The light emitting diode (LED) 30 installed as described above is always in a lit state, but when the pretzel terminal 40 is operated, the light is turned off to check whether phases are formed in the voltage circuit of the electricity meter.

그리고, 첨부 도면 도 1d에 도시된 바와 같이 계기용변성기(20)에 설치하여 전압회로에 결상유무를 확인할 수 있다.And, as shown in Figure 1d attached to the instrument transformer 20 can be confirmed whether there is an image in the voltage circuit.

상기와 같은 상시점등 방식과는 반대로 상시소등 방식을 설명하면 다음과 같다.In contrast to the normal lighting method as described above, the constant lighting method will be described below.

첨부 도면 도 2a에 도시된 바와 같이 단상 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)와 내부 부하측 단자(1L)(2L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자 전류코일측 단자(1S)와 프렛샤단자(40)간에 발광다이오드(LED)(30)를 설치한다.As shown in FIG. 2A, a light emitting diode (LED) 30 is installed at an external artificial side terminal 1S and 2S and an internal load side terminal 1L and 2L connected to a single phase electricity meter, but the external A light emitting diode (LED) 30 is provided between the artificial terminal current coil side terminal 1S and the frescher terminal 40.

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 소등상태에 있다가 프렛샤단자(40)가 작동하면 점등상태가 되어 전력량계의 전압회로에 결상유무를 확인할 수 있다.The light emitting diode (LED) 30 installed as described above is always turned off and is turned on when the frets terminal 40 is operated to check whether there is an image in the voltage circuit of the electricity meter.

또한, 첨부 도면 도 2b에 도시된 바와 같이 삼상 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)(3S)와 내부 부하측 단자(1L)(2L)(3L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자(1S)(3S)와 프렛샤단자(40)간에 발광다이오드(LED)(30)를 설치한다.In addition, as shown in FIG. 2B, light emitting diodes (LEDs) are connected to external artificial side terminals 1S, 2S, 3S, and internal load side terminals 1L, 2L, 3L, which are connected to a three-phase wattmeter. 30), but a light emitting diode (LED) 30 is installed between the external artificial side terminal (1S) (3S) and the frescher terminal (40).

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 소등상태에 있다가 프렛샤단자(40)가 작동하면 점등상태가 되어 상별로 전력량계의 전압회로에 결상유무를 확인할 수 있으며, 첨부 도면 도 2c에 도시된 바와 같이 삼상 4선식 전력량계에 연결되어 있는 외부 인위측 단자(1S)(2S)(3S)와 중성측 단자(OS)(OL)와 내부 부하측 단자(1L)(2L)(3L)에 발광다이오드(LED)(30)를 설치하되, 상기 외부 인위측 단자(1S)(2S)(3S)와 프렛샤단자(40)간에 발광다이오드(LED)(30)를 설치한다.The light emitting diode (LED) 30 installed as described above is always turned off, but when the frets terminal 40 is operated, the light emitting diode 30 is turned on to check whether phases are formed in the voltage circuit of the watt-hour meter. To the external artificial terminal 1S, 2S, 3S, neutral terminal OS, OL, and internal load side terminals 1L, 2L, 3L connected to a three-phase four-wire wattmeter as shown in A light emitting diode (LED) 30 is provided, but a light emitting diode (LED) 30 is installed between the external artificial side terminals 1S, 2S, 3S, and the frescher terminal 40.

상기와 같이 설치된 발광다이오드(LED)(30)는 상시 소등상태에 있다가 프렛샤단자(40)가 작동하면 점등상태가 되어 상별로 전력량계의 전압회로에 결상유무를 확인할 수 있다.The light emitting diode (LED) 30 installed as described above is always in the off state, but when the pretzel terminal 40 is operated, the light is turned on, and phases of each phase of the electricity meter can be checked in the voltage circuit.

상기와 같은 본 고안은 전력량계 및 계기용변성기(M.O.F)의 내부에 각 소자별로 발광다이오드(LED) 설치하되, 상기 발광다이오드(LED)를 전력량계 시험용단자(프렛샤단자)와 접지측단자에 설치하여 전력량계가 정상설치 상태에서는 발광다이오드(LED)가 상시 점등상태에 있다가 프렛샤단자가 작동되면 소등상태가 되어 전압회로의 결상유무를 판독하도록 구성하거나, 상기 발광다이오드(LED)를 전류코일측 단자와 프렛샤단자에 설치하여 전력량계가 정상설치 상태에서는 발광다이오드(LED)가 상시 소등상태에 있다가 프렛샤단자가 작동되면 점등상태가 되어 전압회로의 결상유무를 판독하도록 구성하므로서, 전력량계의 조작에 의한 도전을 사전하고 계기용변성기의 결상으로 인한 과소계량을 신속히 색출하여 전력수급거래의 정상화를 기할 수 있고, 활선상태의 접촉이나 접근 피할 수 있어 안전사고를 예방함은 물론 기존의 계량기 내부에 계측용 전압코일 단자에 발광다이오드를 간편하게 장착하여 전압코일의 단선으로 인한 계측불능 사례를 막고, 이를 외부에서 용이하게 감시 할 수 있으며, 적은 비용으로 기존 계량기를 전혀 개조하지 않고 발광다이오드를 설치할 수 있어 경제성이나 실용적인 면에서 매우 유용한 고안이다.The present invention as described above is to install a light emitting diode (LED) for each device in the power meter and instrument transformer (MOF), the light emitting diode (LED) is installed on the power meter test terminal (fretsha terminal) and the ground side terminal When the power meter is normally installed, the light emitting diode (LED) is always turned on, but when the frets terminal is activated, the light emitting diode (LED) is turned off to read whether there is a phase fault in the voltage circuit, or the light emitting diode (LED) is connected to the current coil terminal. When the power meter is in the normal installation state, the light emitting diode (LED) is always turned off, but when the frets terminal is activated, it is turned on to read the presence of a voltage circuit. It is possible to normalize the electricity supply and demand transaction by proactively identifying the under-measurement caused by the missing phase of the instrument transformer in advance. It is possible to avoid contact or access of the tag, preventing safety accidents, and easily installing a light emitting diode at the voltage coil terminal for measurement inside the existing meter to prevent cases of measurement failure due to disconnection of the voltage coil, and to monitor it easily from the outside. It is possible to install a light emitting diode without modifying an existing meter at a low cost, which is very useful in terms of economy and practicality.

Claims (2)

전력 사용량을 측정하는 전력량계의 전압회로의 결상유무를 측정함에 있어서,In measuring the phase loss of the voltage circuit of the electricity meter for measuring the power consumption, 상기 전력량계(10) 및 계기용변성기(M.O.F)(20)의 내부에 각 소자별로 발광다이오드(LED)(30) 설치하되, 상기 발광다이오드(LED)(30)를 전력량계 시험용단자(프렛샤)(40)와 접지측단자(50)에 설치하여 전력량계(10)가 정상설치 상태에서는 발광다이오드(LED)(30)가 상시 점등상태에 있다가 프렛샤(40)가 작동되면 소등상태가 되어 전압회로의 결상유무를 판독하도록 구성함을 특징으로 하는 전력량계 및 계기용변성기 발광다이오드에 의한 결상 표시장치The light emitting diode (LED) 30 is installed for each element in the power meter 10 and the instrument transformer (MOF) 20, and the light emitting diode (LED) 30 is connected to a power meter test terminal (fretsha) ( 40) and the ground terminal 50, the power meter 10 is in the normal installation state when the light-emitting diode (LED) 30 is always on, and when the pretzel 40 is turned off, the voltage circuit is turned off An image display device using a power meter and a transformer for light emitting diodes configured to read the presence of phase loss 제 1 항에 있어서,The method of claim 1, 상기 전력량계(10)의 내부에 각 소자별로 발광다이오드(LED)(30) 설치하되, 상기 발광다이오드(LED)(30)를 전류코일측 단자(60)와 프렛샤단자(40)에 설치하여 전력량계(10)가 정상설치 상태에서는 발광다이오드(LED)(30)가 상시 소등상태에 있다가 프렛샤단자(40)가 작동되면 점등상태가 되어 전압회로의 결상유무를 판독하도록 구성함을 특징으로 하는 전력량계 및 계기용변성기 발광다이오드에 의한 결상 표시장치The light emitting diode (LED) 30 is installed for each device inside the power meter 10, and the light emitting diode (LED) 30 is installed at the current coil side terminal 60 and the frescher terminal 40. In the normal installation state of (10), the light emitting diode (LED) 30 is always turned off, but when the frets terminal 40 is operated, the light is turned on to read the presence or absence of an image of the voltage circuit. Image display device by power meter and instrument transformer LED
KR2020010001968U 2001-01-29 2001-01-29 electric power a wattmeter and mof led of loss indication equipment KR200227819Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100420411B1 (en) * 2002-04-23 2004-02-26 한국산업안전공단 Earthing Status Displayer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100420411B1 (en) * 2002-04-23 2004-02-26 한국산업안전공단 Earthing Status Displayer

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