KR100357227B1 - shaft current monitering device for generator - Google Patents
shaft current monitering device for generator Download PDFInfo
- Publication number
- KR100357227B1 KR100357227B1 KR1019990064259A KR19990064259A KR100357227B1 KR 100357227 B1 KR100357227 B1 KR 100357227B1 KR 1019990064259 A KR1019990064259 A KR 1019990064259A KR 19990064259 A KR19990064259 A KR 19990064259A KR 100357227 B1 KR100357227 B1 KR 100357227B1
- Authority
- KR
- South Korea
- Prior art keywords
- brush
- generator
- terminals
- connection terminals
- shaft
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/26—Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/28—Manual switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
Abstract
본 발명은 발전기(1)의 로터를 이루는 축(2)에 전기적으로 연결하도록 축 회전용 베어링(3)에 절연 패드(4)를 개재하여 브러시(5,6)를 설치하되 축(2)의 상하에 각각 설치하고, 각 브러시(5,6)는 전기적으로 접속하는 브러시 연결단자(11,12)로 안내되도록 설치하고, 브러시 연결단자(11,12)는 또한 전류를 전압으로 변환시키는 저항(21,22)을 접속시키고, 저항(21)의 타단은 접지단자(15,16)를 통하여 접지되고, 상기 브러시 연결단자(11,12)와 접지단자(15,16)는 같은 터미널(10)에 설치하며, 상기 브러시 연결단자(11,12)는 전류계 연결단자(13,14)와 공통으로 접속토록 구성하고, 전류계 연결단자(13,14)는 같은 터미널(10)에 설치하고, 상기 저항(21,22)의 양단에는 테스터의 검침플럭이 끼워지는 플럭공(23)과 전기적으로 접속하도록 구성하며, 상기 저항(21,22)의 양단에는 또한 저항(21,22)을 통한 전류의 흐름을 차단토록 양단을 스위칭하는 바이패스 스위치(24)를 설치한 것을 특징으로 하는 발전기의 축전류 감시장치이다.The present invention is to install the brush (5, 6) via the insulating pad (4) on the shaft rotation bearing (3) to electrically connect to the shaft (2) forming the rotor of the generator (1) of the shaft (2) The upper and lower sides are respectively installed, and each brush 5 and 6 is installed to be guided to the electrically connected brush connecting terminals 11 and 12, and the brush connecting terminals 11 and 12 are further provided with a resistor (which converts current into voltage). 21 and 22 are connected, and the other end of the resistor 21 is grounded through the ground terminals 15 and 16, and the brush connection terminals 11 and 12 and the ground terminals 15 and 16 are connected to the same terminal 10. And the brush connection terminals 11 and 12 are configured to be connected in common with the ammeter connection terminals 13 and 14, and the ammeter connection terminals 13 and 14 are installed in the same terminal 10, and the resistor Both ends of the resistors 21 and 22 are electrically connected to the plug holes 23 into which the tester plugs of the tester are inserted. 21 and 22 is a power storage current monitoring unit of the generator, it characterized in that a bypass switch 24 for switching the both ends ever blocks the flow of current through the.
Description
본 발명은 발전기의 축전류 감시장치에 관한 것으로, 발전기의 로터 축을 통하여 흐르는 축전류를 감시하도록 축에 전기 접속한 브러시와, 브러시를 통하여 전기적으로 접속한 터미널과, 터미널을 통한 전류의 흐름을 전압으로 변환시키는 저항을 포함하여 구성한 축전류 감시장치에 관한 것이다.The present invention relates to an axial current monitoring device of a generator, comprising: a brush electrically connected to the shaft to monitor the axial current flowing through the rotor shaft of the generator, a terminal electrically connected through the brush, and a current flow through the terminal. The present invention relates to an axial current monitoring device including a resistor for converting a voltage into a current.
현재 산업 설비 및 발전소의 발전기 및 터빈 베어링에는 로터를 통하여 흐르는 축전류 발생으로 인하여 베어링 면이 손상되고 이에 따라 윤활작용 저하, 고진동 발생, 설비 안전사고 등 막대한 손실을 초래하여 고가의 부품 및 설비를 교체 또는 수리하는 원인을 제공하는 문제점이 있다.Currently, generator and turbine bearings in industrial facilities and power plants have damaged bearing surfaces due to the generation of axial current flowing through the rotor, resulting in enormous loss of lubrication, high vibration, and equipment safety accidents. Or there is a problem that provides a cause for repair.
본 발명은 이를 해소코자 하는 것으로, 본 발명의 목적은 발전기의 축전류를 전압으로 인식 할 수 있도록 축과 전기적으로 연결되는 브러시와 연결 터미널을 설치하고, 터미널에는 전압을 알 수 있도록 저항을 설치하여, 축전류를 알 수 있도록 한 축전류 감시장치를 제공하려는 것이다.The present invention is to solve this, an object of the present invention is to install a brush and a connection terminal electrically connected to the shaft to recognize the axial current of the generator as a voltage, by installing a resistor to know the voltage In other words, it aims to provide an axial current monitoring device so that the axial current can be known.
도 1 은 본 발명의 구성도이다.1 is a block diagram of the present invention.
도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings
1;발전기, 2;축,1, generator, 2, shaft,
5,6;브러시, 10;터미널,5,6; brush, 10; terminal,
11-16단자, 21,22;저항,11-16 terminals, 21, 22;
23;플럭공, 24;바이패스 스위치23; plug hole, 24; bypass switch
즉 본 발명은 발전기의 로터 축에 전기적으로 연결토록 설치한 브러시와, 브러시와 전기적으로 연결하는 단자를 가지는 터미널과, 터미널을 통한 전류의 흐름을 전압으로 알 수 있도록 터미널과 연결한 저항을 포함하여 구성하고, 상기 터미널은 저항의 타단을 접지 시키도록 접지와 연결한 단자를 포함하도록 구성한 발전기의 축전류 감시장치를 제공하려는 것이다.That is, the present invention includes a brush installed to be electrically connected to the rotor shaft of the generator, a terminal having a terminal electrically connected to the brush, and a resistor connected to the terminal so as to know the flow of current through the terminal as a voltage. The terminal is intended to provide a generator axial current monitoring device configured to include a terminal connected to ground to ground the other end of the resistor.
이하 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the drawings will be described in detail.
도 1 은 본 발명을 이루는 구성도로, 발전기(1)의 로터를 이루는 축(2)에 전기적으로 연결하도록 축 회전용 베어링(3)에 절연 패드(4)를 개재하여 브러시(5,6)를 설치하되 축(2)의 상하에 각각 설치하고, 각 브러시(5,6)는 전기적으로 접속하는 브러시 연결단자(11,12)로 안내되도록 설치하고, 브러시 연결단자(11,12)는 또한 전류를 전압으로 변환시키는 저항(21,22)을 접속시키고, 저항(21)의 타단은 접지단자(15,16)를 통하여 접지된다. 상기 브러시 연결단자(11,12)와 접지단자(15,16)는 같은 터미널(10)에 설치함이 좋다. 상기 브러시 연결단자(11,12)는 전류계 연결단자(13,14)와 공통으로 접속토록 구성하고, 전류계 연결단자(13,14)는 같은 터미널(10)에 설치함이 좋다. 상기 저항(21,22)의 양단에는 테스터(도시하지 않음)의 검침봉이 끼워지는 플럭공(23)과 전기적으로 접속하도록 구성한다. 상기 저항(21,22)의 양단에는 또한 저항(21,22)을 통한 전류의 흐름을 차단토록 양단을 스위칭하는 바이패스 스위치(24)를 설치한다.1 is a configuration constituting the present invention, the brush (5, 6) via the insulating pad (4) on the shaft rotating bearing (3) to be electrically connected to the shaft (2) forming the rotor of the generator (1) To the upper and lower sides of the shaft (2), each brush (5, 6) is installed to be guided to the electrically connected brush connecting terminals (11, 12), the brush connecting terminals (11, 12) Resistors 21 and 22 for converting the voltage to voltage are connected, and the other end of the resistor 21 is grounded through the ground terminals 15 and 16. The brush connection terminals 11 and 12 and the ground terminals 15 and 16 may be installed in the same terminal 10. The brush connection terminals 11 and 12 may be configured to be connected in common with the ammeter connection terminals 13 and 14, and the ammeter connection terminals 13 and 14 may be installed in the same terminal 10. Both ends of the resistors 21 and 22 are configured to be electrically connected to a plug hole 23 into which a test rod (not shown) of a tester is fitted. Both ends of the resistors 21 and 22 are also provided with bypass switches 24 for switching both ends to interrupt the flow of current through the resistors 21 and 22.
이와 같이 구성한 본 발명은 발전기(1)의 로터를 이루는 축(2)에 축전류가 흐르면 브러시(5,6)를 통하여 흐르고, 이는 터미널(10)의 브러시 연결단자(11,12)를 통하여 저항(21,22)으로 흐르고 저항(21,22)을 통하여 접지단자(15,16)와 접속한다. 이 경우 측정자는 별도의 테스터를 구비하여 플럭공(23)에 테스터의 검침용 플력봉을 끼우면 저항 양단의 전압을 테스터를 통하여 확인 할 수 있다. 아울러 본 발명은 터미널(10)의 전류계 연결단자(13,14)를 통하여 전류계를 설치하였을 경우(전류계의 설치는 전류계 연결단자(13,14)와 접지단자(15,16) 사이에 설치한다) 전류치를 알 수 있다.According to the present invention configured as described above, when the axial current flows through the shaft 2 constituting the rotor of the generator 1, it flows through the brushes 5 and 6, which are connected through the brush connection terminals 11 and 12 of the terminal 10. It flows to (21, 22) and is connected to the ground terminals (15, 16) through the resistors (21, 22). In this case, the measurer may be equipped with a separate tester and insert the tester's metering force rod into the plug hole 23 to check the voltage across the resistance through the tester. In addition, in the present invention, when the ammeter is installed through the ammeter connection terminals 13 and 14 of the terminal 10 (the ammeter is installed between the ammeter connection terminals 13 and 14 and the ground terminal 15 and 16). The current value can be known.
이상에서 설명한 본 발명은 전술한 실시예 및 도면에 의해 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능함은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above-described embodiments and drawings, and various permutations, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those who have
이상과 같이 본 발명은 발전기의 축전류를 브러시로 분지시켜 터미널로 안내시키고, 터미널에는 전류의 흐름을 전압으로 변화시키는 저항을 설치하여 저항 양단에 설치한 플럭공에 테스터의 플럭봉을 삽입하여 테스터로 전압을 측정할 수 있고, 필요시 전류계를 역시 터미널에 설치하여 측정 가능하다. 따라서 축전류 발생을 수시로 알 수 있어 축전류 발생으로 인한 발전기의 축 지지용 베어링의 마모 등을 예방 할 수 있고 이로 인한 발전기의 손상을 예방할 수 있다.As described above, the present invention branches the axial current of the generator with a brush to guide the terminal, and installs a resistor for changing the flow of current into a voltage at the terminal, and inserts the plug rod of the tester into the plug hole installed at both ends of the tester. The voltage can be measured by using an electric current meter and, if necessary, an ammeter can also be installed at the terminal. Therefore, it is possible to know the generation of the axial current from time to time to prevent the wear of the bearing for supporting the shaft of the generator due to the generation of the axial current, thereby preventing the damage of the generator.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990064259A KR100357227B1 (en) | 1999-12-29 | 1999-12-29 | shaft current monitering device for generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990064259A KR100357227B1 (en) | 1999-12-29 | 1999-12-29 | shaft current monitering device for generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010061727A KR20010061727A (en) | 2001-07-07 |
| KR100357227B1 true KR100357227B1 (en) | 2002-10-18 |
Family
ID=19631566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990064259A KR100357227B1 (en) | 1999-12-29 | 1999-12-29 | shaft current monitering device for generator |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100357227B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040049914A (en) * | 2002-12-05 | 2004-06-14 | 계양전기 주식회사 | Auto-testing apparatus for insulation of a/r molding shaft |
| KR100920895B1 (en) * | 2009-02-26 | 2009-10-09 | 주식회사 대덕시스템 | System for monitering shaft voltage and current generator |
| KR101974308B1 (en) * | 2018-05-15 | 2019-04-30 | 주식회사 대덕시스템 | System For Monitoring Voltage and Current Of Axis In Generator |
-
1999
- 1999-12-29 KR KR1019990064259A patent/KR100357227B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010061727A (en) | 2001-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1319238C (en) | Generator protecting monitor and its use | |
| US7611366B2 (en) | Meter socket bypass disconnect device | |
| CN1981417B (en) | Power supply loading indicators and methods | |
| CN204925215U (en) | On line measurement device of generator shaft voltage among measurement wind turbine generator system | |
| EP3918350A1 (en) | Current and voltage measuring unit | |
| KR100357227B1 (en) | shaft current monitering device for generator | |
| CN101542855B (en) | Overvoltage protection device | |
| CN105259483B (en) | A kind of generator amature winding is to iron core and the insulation measurement method of shafting | |
| RU2005136861A (en) | METHOD AND KIT OF MEASURING EQUIPMENT FOR EVALUATING ELECTRIC PARAMETERS OF LIGHTNING PROTECTIVE SYSTEMS | |
| CN217984521U (en) | Power distribution cabinet with automatic power-off protection function | |
| CN217718022U (en) | Motor fault simulation platform | |
| CN103376421A (en) | Power supply efficiency measuring apparatus | |
| CN207530275U (en) | Anti-lightning strike wind-power slip ring | |
| KR100715987B1 (en) | A replaceable watt-hour meter of a common housing at state a power unfailure | |
| WO2010066303A1 (en) | A system for transient overvoltage protection | |
| KR200217828Y1 (en) | Nobreak power supply changable Watt-meter | |
| CN209419316U (en) | A kind of power distribution network low pressure quickly turns power supply unit | |
| WO2021029104A1 (en) | Rotating electric machine diagnosis system and diagnosis method | |
| US6184689B1 (en) | Secondary service conductor tester | |
| CN201378191Y (en) | Electrified-replaceable on-line monitor of lightning arrester | |
| CN103748476A (en) | Monitoring apparatus for a double-fed asynchronous machine | |
| CN207937498U (en) | A kind of single-phase resident's ammeter rotation of uninterrupted power supply and breakdown repair device | |
| CN208015540U (en) | Embedded motor operation data acquisition-protector | |
| CN220064200U (en) | Generator shaft voltage measuring device | |
| KR100455033B1 (en) | Device for earthing status display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20120917 Year of fee payment: 11 |
|
| FPAY | Annual fee payment |
Payment date: 20130912 Year of fee payment: 12 |
|
| FPAY | Annual fee payment |
Payment date: 20140916 Year of fee payment: 13 |
|
| FPAY | Annual fee payment |
Payment date: 20150923 Year of fee payment: 14 |
|
| FPAY | Annual fee payment |
Payment date: 20160912 Year of fee payment: 15 |
|
| FPAY | Annual fee payment |
Payment date: 20170926 Year of fee payment: 16 |
|
| FPAY | Annual fee payment |
Payment date: 20180917 Year of fee payment: 17 |