JPS60138325U - 保護継電器回路 - Google Patents
保護継電器回路Info
- Publication number
- JPS60138325U JPS60138325U JP1984202147U JP20214784U JPS60138325U JP S60138325 U JPS60138325 U JP S60138325U JP 1984202147 U JP1984202147 U JP 1984202147U JP 20214784 U JP20214784 U JP 20214784U JP S60138325 U JPS60138325 U JP S60138325U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- protective relay
- circuit
- circuit means
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims 8
- 108010023321 Factor VII Proteins 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical group [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
- H02H3/343—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using phase sequence analysers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
め要約のデータは記録されません。
Description
第1図は、来者案回蕗を使用する過電流継電器のブロッ
ク図である。第2図は、第1図に述べられた過電流継電
器の概略的なブロック図を示す。 第3図は、第1図及び第2図の継電器への入力として電
気系統の対称成分に比例する信号を提供する回路の概略
的なブロック図を示す。第4図は、本考案の回路を使用
する方向性継電器のブロック、 図を示す。第5
図は、第4−図及び第6図においてブロック図として示
されたタイマーの概略図を示す。第6図は、本考案回路
を示す距−継電器のブロック図を示す。第7図は、第6
図にブロック図として示された極性信号(polari
zing signal)を処理するための回路の図式
的ブロック図を示す。
ク図である。第2図は、第1図に述べられた過電流継電
器の概略的なブロック図を示す。 第3図は、第1図及び第2図の継電器への入力として電
気系統の対称成分に比例する信号を提供する回路の概略
的なブロック図を示す。第4図は、本考案の回路を使用
する方向性継電器のブロック、 図を示す。第5
図は、第4−図及び第6図においてブロック図として示
されたタイマーの概略図を示す。第6図は、本考案回路
を示す距−継電器のブロック図を示す。第7図は、第6
図にブロック図として示された極性信号(polari
zing signal)を処理するための回路の図式
的ブロック図を示す。
Claims (1)
- 【実用新案登録請求の範囲】 (1) a 1つの交流電力線に結合されるのに適
合し、変化を受ける電力系統の電気量に比例子7 ′
る検知器信号を発生する検知器、 ・b 検
知器信号に応答し、検知器信号から過渡′ 成分を濾波
する濾波器、 C検知器信号に応答し、検知器信号が所定レベル以下の
時に第1出力レベル牽有する信号、 を発生し、検
知器信号が所定レベルを超えや゛ 時に、検知器信
号レベルの関数である第2出力レベルを有する信号を発
生する第1回路手段、 d 第1発土器号及び濾波信号を結合する第2回路手段
、 e 結合信号に応答し、結合信号が固定レベルを超える
時に引はずしフィル制御信号を発生する第3回路手段、 を具備することを特徴とする交流電力系統を保護する回
路遮断器の引はずしコイルを制御する信号を発生する保
護継電器回路。 (2) 前記検知器は、前記電力系統の電圧に比例す
る信号を発生する前記実用新案登録請求の範囲第1項記
載の保護継電器回路。 −(3)第1回路手段の
第1出力レベルは零であり、第2出力レベルは、検知器
レベルと前記所定レベルとの差である前記実用新案登録
請求の範囲第1項記載の保護継電器回路。 (4) 第1回路手段は、減衰器を具える前記実用新
案登録請求の範囲第1項記載の保護継電器回路。 (5)第1回路手段は、1対の並列接続した背中合せの
ツェナーダイオードを具える前記実用新案登録請求の範
囲第1項記載の保護継電器回路。 (6)、第1回路手段は、1対の直列接続した背中合せ
のツェナーダイオニドを具える前記実用新案登録請求の
範囲第1項記載の保護継電器回路。 (7)濾波信号は、第1発土器号と同相であり、第2回
路手段は、加算増幅器である前記実用新案登録請求の範
囲第1項記載の保護継電器回路。 (8)濾波信号は、第1発土器号と180°位相がずれ
ており、第2回路手段は、反転入力と非反転、入力とを
有す名演算増幅器であり、前記濾波器”号は、前記演算
増幅器入力の1つに印加され、第1発土器号は、演算増
幅器の他の入力に印加される前記実用新案登録請求の範
囲第1項記載の保護継電器回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/640,308 US4034269A (en) | 1975-12-12 | 1975-12-12 | Protective relay circuits |
US640308 | 1996-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60138325U true JPS60138325U (ja) | 1985-09-13 |
Family
ID=24567718
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51148273A Pending JPS5272440A (en) | 1975-12-12 | 1976-12-09 | Protective relay circuit |
JP1984202147U Pending JPS60138325U (ja) | 1975-12-12 | 1984-12-27 | 保護継電器回路 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51148273A Pending JPS5272440A (en) | 1975-12-12 | 1976-12-09 | Protective relay circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4034269A (ja) |
JP (2) | JPS5272440A (ja) |
BR (1) | BR7608349A (ja) |
CA (1) | CA1063227A (ja) |
CH (1) | CH619079A5 (ja) |
GB (1) | GB1570878A (ja) |
SE (1) | SE7613863L (ja) |
ZA (1) | ZA766844B (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2606395C3 (de) * | 1976-02-18 | 1979-01-18 | Ionit Anstalt Bernhard Berghaus, Vaduz | Verfahren und Vorrichtung zur Überwachung des elektrischen Verhaltens einer stromstarken Glimmentladung |
US4092690A (en) * | 1977-01-31 | 1978-05-30 | General Electric Company | Protective relay circuit providing a combined distance and overcurrent function |
US4161011A (en) * | 1978-02-21 | 1979-07-10 | General Electric Company | Ground distance relay employing phase comparator measurement |
US4342064A (en) * | 1978-02-21 | 1982-07-27 | General Electric Company | Static distance relays with improved polarizing signal |
US4180842A (en) * | 1978-05-12 | 1979-12-25 | General Electric Company | Timer circuit for use in protective relaying applications |
US4225795A (en) * | 1978-05-30 | 1980-09-30 | General Electric Company | Coincidence circuit for a protective relay circuit |
US4255774A (en) * | 1979-03-16 | 1981-03-10 | General Electric Company | Static instantaneous overcurrent relay with low transient overreach |
JPS55127821A (en) * | 1979-03-27 | 1980-10-03 | Tokyo Shibaura Electric Co | Digital protection relay unit |
US4255669A (en) * | 1979-09-17 | 1981-03-10 | Gte Laboratories Incorporated | Sensing apparatus |
US4296451A (en) * | 1979-10-11 | 1981-10-20 | General Electric Company | Ultra high speed protective relay circuit |
US4405966A (en) * | 1981-10-07 | 1983-09-20 | General Electric Company | System for providing protection for a high voltage transmission line |
GB2123627A (en) * | 1982-04-08 | 1984-02-01 | David Alan Dolbey Jones | Electrical circuit interruption |
JPS58179121A (ja) * | 1982-04-12 | 1983-10-20 | 三菱電機株式会社 | 距離継電装置 |
US4420788A (en) * | 1982-07-29 | 1983-12-13 | General Electric Company | Phase relay for AC power transmission line protection |
US4433353A (en) * | 1982-07-29 | 1984-02-21 | General Electric Company | Positive sequence undervoltage distance relay |
US4879626A (en) * | 1984-09-01 | 1989-11-07 | Kim In S | Overload relay with adjustable threshold indicator |
US4731549A (en) * | 1984-10-15 | 1988-03-15 | Hiddleson Thomas V | Current sensor and control device |
US4675537A (en) * | 1985-04-01 | 1987-06-23 | Voltec Corporation | Current-controlled on/off power line switching of electrical devices |
US4658323A (en) * | 1985-06-10 | 1987-04-14 | General Electric Company | RMS calculation circuit for digital circuit interrupters |
US4686601A (en) * | 1985-10-02 | 1987-08-11 | General Electric Company | Ground distance relay for AC power transmission line protection |
US4885655A (en) * | 1987-10-07 | 1989-12-05 | Spring Valley Associates, Inc. | Water pump protector unit |
US4972289A (en) * | 1987-10-07 | 1990-11-20 | Spring Valley Associates | Electric motor control and protective assembly for fluid pump operation |
US4841404A (en) * | 1987-10-07 | 1989-06-20 | Spring Valley Associates, Inc. | Pump and electric motor protector |
US4890002A (en) * | 1987-11-09 | 1989-12-26 | Perma Power Electronics, Inc. | Line voltage fault detector for appliance protection |
US4873602A (en) * | 1987-11-12 | 1989-10-10 | General Electric Company | Ripple attenuator for AC power transmission line protective relays |
US4819118A (en) * | 1988-06-02 | 1989-04-04 | Westinghouse Electric Corp. | Electromagnetic contactor tandem control system for thermal protection of a bidirectional motor drive |
US4868704A (en) * | 1988-11-14 | 1989-09-19 | General Electric Company | Apparatus for providing distance protection and distance measurement for a high voltage transmission line |
DE59602247D1 (de) * | 1995-03-20 | 1999-07-22 | Siemens Ag | Fehlerstromschutzschalter oder differenzstromschutzschalter mit verzögerter auslösung |
US5665256A (en) * | 1995-12-19 | 1997-09-09 | The Esab Group, Inc. | Cutting or welding system having phase loss detector and method of detecting phase loss for same |
US7511934B2 (en) * | 2005-12-02 | 2009-03-31 | Electronic Systems Protection, Inc. | System and method for conditioning a power supply transmission for supply to a load circuit |
US8649144B2 (en) * | 2007-02-05 | 2014-02-11 | Semiconductor Components Industries, Llc | Method of forming an over-voltage protection circuit and structure therefor |
US8907510B2 (en) * | 2012-03-09 | 2014-12-09 | General Electric Company | Method and systems for operating a wind turbine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775725A (en) * | 1952-05-27 | 1956-12-25 | Reyrolle A & Co Ltd | Electric relay devices |
GB1230206A (ja) * | 1968-11-12 | 1971-04-28 | ||
US3956670A (en) * | 1973-01-30 | 1976-05-11 | Westinghouse Electric Corporation | Circuit interrupter circuit including improved control |
US3944890A (en) * | 1974-09-10 | 1976-03-16 | General Electric Co. | Static overcurrent relay |
-
1975
- 1975-12-12 US US05/640,308 patent/US4034269A/en not_active Expired - Lifetime
-
1976
- 1976-11-16 ZA ZA766844A patent/ZA766844B/xx unknown
- 1976-11-22 GB GB48576/76A patent/GB1570878A/en not_active Expired
- 1976-11-26 CA CA266,619A patent/CA1063227A/en not_active Expired
- 1976-12-02 CH CH1521276A patent/CH619079A5/de not_active IP Right Cessation
- 1976-12-09 SE SE7613863A patent/SE7613863L/xx unknown
- 1976-12-09 JP JP51148273A patent/JPS5272440A/ja active Pending
- 1976-12-13 BR BR7608349A patent/BR7608349A/pt unknown
-
1984
- 1984-12-27 JP JP1984202147U patent/JPS60138325U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE7613863L (sv) | 1977-06-13 |
CA1063227A (en) | 1979-09-25 |
CH619079A5 (ja) | 1980-08-29 |
BR7608349A (pt) | 1977-12-13 |
US4034269A (en) | 1977-07-05 |
GB1570878A (en) | 1980-07-09 |
JPS5272440A (en) | 1977-06-16 |
ZA766844B (en) | 1977-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS60138325U (ja) | 保護継電器回路 | |
US2229952A (en) | Magnetic amplifier | |
US3654516A (en) | Change of current or voltage acutated protecting relay | |
GB1529727A (en) | Device for exerting a restoring force | |
US3524200A (en) | Magnetic core phase comparison circuit | |
SE7613843L (sv) | Eledktrisk koppling serskilt for inkoppling av sekerhetsreleer vid kraftledninssystem | |
JPS6237176Y2 (ja) | ||
SU898333A1 (ru) | Датчик действующего значени напр жени переменного тока | |
JPS6028719A (ja) | 保護継電器 | |
SU680132A1 (ru) | Устройство регулировани токов синхронного генератора в режиме ограничени перегрузки | |
GB905855A (en) | Synchronous motor control | |
SU1098060A2 (ru) | Устройство дл коррекции погрешности одноступенчатого трансформатора тока | |
JPS59162665U (ja) | デイジタル自動レンジ切換電力計 | |
JPS5962557U (ja) | 三相電力計 | |
JPS58108727U (ja) | 保護継電装置 | |
JPS58180478U (ja) | 低圧電路対地静電容量補償装置 | |
JPS60162943U (ja) | 地絡継電器 | |
JPS59185934U (ja) | 漏電しや断器 | |
JPS61132086A (ja) | サ−ボモ−タの保護回路 | |
JPS62201019A (ja) | 漏電検出回路 | |
JPS5878737U (ja) | 発電機の保護回路 | |
JPS6225818A (ja) | デイジタル式保護リレ− | |
JPS5917871U (ja) | 鉄損測定装置 | |
JPS60181679U (ja) | 周波数検出装置 | |
JPS59968U (ja) | 位相弁別回路 |