JPH0130368B2 - - Google Patents
Info
- Publication number
- JPH0130368B2 JPH0130368B2 JP57215312A JP21531282A JPH0130368B2 JP H0130368 B2 JPH0130368 B2 JP H0130368B2 JP 57215312 A JP57215312 A JP 57215312A JP 21531282 A JP21531282 A JP 21531282A JP H0130368 B2 JPH0130368 B2 JP H0130368B2
- Authority
- JP
- Japan
- Prior art keywords
- input
- inspection
- voltage
- transformer
- output
- 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.)
- Expired
Links
- 238000007689 inspection Methods 0.000 claims description 50
- 238000004804 winding Methods 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57215312A JPS59106819A (ja) | 1982-12-08 | 1982-12-08 | 保護継電器の点検方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57215312A JPS59106819A (ja) | 1982-12-08 | 1982-12-08 | 保護継電器の点検方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59106819A JPS59106819A (ja) | 1984-06-20 |
JPH0130368B2 true JPH0130368B2 (enrdf_load_stackoverflow) | 1989-06-19 |
Family
ID=16670229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57215312A Granted JPS59106819A (ja) | 1982-12-08 | 1982-12-08 | 保護継電器の点検方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59106819A (enrdf_load_stackoverflow) |
-
1982
- 1982-12-08 JP JP57215312A patent/JPS59106819A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59106819A (ja) | 1984-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Blume et al. | Transformer magnetizing inrush currents and influence on system operation | |
US6396279B1 (en) | Method and device for testing differential protection relays or differential protection relay systems | |
Hopkinson | Ferroresonant overvoltage control based on TNA tests on three-phase delta-wye transformer banks | |
US4634981A (en) | Method for testing a circuit breaker using a three terminal current transformer | |
Guzman et al. | Transformer modeling as applied to differential protection | |
JPH11304870A (ja) | 計器用変流器の三次巻線極性確認方法およびそれを用いた地絡保護継電装置の試験方法 | |
JP2531988B2 (ja) | 変圧器保護リレ―装置の試験装置及び試験方法 | |
Das et al. | 13.8-kV selective high-resistance grounding system for a geothermal generating plant—A case study | |
JPH0130368B2 (enrdf_load_stackoverflow) | ||
US2523778A (en) | Grounding transformer and protective system therefor | |
JPH0130369B2 (enrdf_load_stackoverflow) | ||
Oliveira et al. | Transformers on-load exciting current Park's Vector Approach as a tool for winding faults diagnostics | |
Oliveira et al. | Intermittent turn-to-turn winding faults diagnosis in power transformers by the on-load exciting current Park's Vector Approach | |
JP3123999B2 (ja) | 短絡試験装置および方法 | |
Smith et al. | Considerations in applying ratio differential relays for bus protection | |
US1752947A (en) | Protective system | |
US3141995A (en) | System for protecting capacitor type bushings in high tension equipment | |
JPH0626037Y2 (ja) | 地絡保護装置 | |
Love | Ground fault protection for electric utility generating station medium voltage auxiliary power systems | |
JPH0553292B2 (enrdf_load_stackoverflow) | ||
JPH01206818A (ja) | 地絡保護装置 | |
JP2705198B2 (ja) | 地絡検出装置 | |
JP2558167B2 (ja) | 残留電流補償型elbチェッカー | |
JPS622884Y2 (enrdf_load_stackoverflow) | ||
CA1058738A (en) | Performance of current transformers during transients |