JPS5815426A - 保護継電器 - Google Patents
保護継電器Info
- Publication number
- JPS5815426A JPS5815426A JP56114608A JP11460881A JPS5815426A JP S5815426 A JPS5815426 A JP S5815426A JP 56114608 A JP56114608 A JP 56114608A JP 11460881 A JP11460881 A JP 11460881A JP S5815426 A JPS5815426 A JP S5815426A
- Authority
- JP
- Japan
- Prior art keywords
- current
- component
- harmonic
- current transformer
- transformer
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000005284 excitation Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000002492 Rungia klossii Nutrition 0.000 description 1
- 244000117054 Rungia klossii Species 0.000 description 1
- 206010041243 Social avoidant behaviour Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56114608A JPS5815426A (ja) | 1981-07-21 | 1981-07-21 | 保護継電器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56114608A JPS5815426A (ja) | 1981-07-21 | 1981-07-21 | 保護継電器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5815426A true JPS5815426A (ja) | 1983-01-28 |
JPH0247170B2 JPH0247170B2 (enrdf_load_html_response) | 1990-10-18 |
Family
ID=14642112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56114608A Granted JPS5815426A (ja) | 1981-07-21 | 1981-07-21 | 保護継電器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5815426A (enrdf_load_html_response) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6413294A (en) * | 1987-07-06 | 1989-01-18 | Nec Corp | Semiconductor storage device |
-
1981
- 1981-07-21 JP JP56114608A patent/JPS5815426A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6413294A (en) * | 1987-07-06 | 1989-01-18 | Nec Corp | Semiconductor storage device |
Also Published As
Publication number | Publication date |
---|---|
JPH0247170B2 (enrdf_load_html_response) | 1990-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5784233A (en) | Differential protection device of a power transformer | |
US7638999B2 (en) | Protective relay device, system and methods for Rogowski coil sensors | |
US5383084A (en) | Circuit analyzing system | |
EP2466322B1 (en) | Method and apparatus for transformer diagnosis | |
US7126348B2 (en) | Method and a device for voltage measurement in a high-voltage conductor | |
US20130328569A1 (en) | Method And Arrangement For An Internal Failure Detection In A Y-Y Connected Capacitor Bank | |
CN107636922A (zh) | 直流电保护系统的改进或及其相关改进 | |
JP7179171B2 (ja) | 多点接続形態を有するインバータにおける絶縁抵抗を測定する方法、及び多点接続形態を有するインバータ | |
SE439863B (sv) | Sett och apparat for overvakning av en digital skyddsreleanordning | |
JP2510498B2 (ja) | 変圧器故障検出方法及び装置 | |
EP3304115A1 (en) | Method and apparatus to commission voltage sensors and branch circuit current sensors for branch circuit monitoring systems | |
US4261038A (en) | Protection of electrical power supply systems | |
CN112703649B (zh) | 用于控制电力系统的至少一个断路器的方法和装置 | |
US9606169B2 (en) | Protection apparatus and method of verifying operation thereof | |
JPH02193524A (ja) | 変圧器故障検出方法およびその装置 | |
JPS5815426A (ja) | 保護継電器 | |
Bayati et al. | A high-impedance fault detection scheme for DC aircrafts based on comb filter and second derivative of voltage | |
Bashi et al. | Power transformer protection using microcontroller-based relay | |
Quaia et al. | A method for analytical voltage sags prediction | |
JP3041968B2 (ja) | 低圧系統活線絶縁劣化監視方法 | |
JP2940604B2 (ja) | 高調波測定用の電流注入装置 | |
JP4470221B2 (ja) | 地絡検出方法及び装置 | |
CA2435367C (en) | Device and method for protection against overcurrents in an electrical energy distribution cabinet | |
US8076944B2 (en) | Systems and methods for detecting electrical line faults | |
EP4078198B1 (en) | Current sensor output converter for circuit breakers that are configured for rogowski coils |