JPS6430421A - Spot network power receiving facility - Google Patents
Spot network power receiving facilityInfo
- Publication number
- JPS6430421A JPS6430421A JP18475287A JP18475287A JPS6430421A JP S6430421 A JPS6430421 A JP S6430421A JP 18475287 A JP18475287 A JP 18475287A JP 18475287 A JP18475287 A JP 18475287A JP S6430421 A JPS6430421 A JP S6430421A
- Authority
- JP
- Japan
- Prior art keywords
- point
- ground fault
- transformers
- interrupted
- power receiving
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
PURPOSE:To prevent extended power interruption and to improve the reliability, by selectively interrupting such transformer bank as having a fault point at the secondary in network transformers. CONSTITUTION:Ground potential transformers 110A-110D are connected respectively with secondary feeders 22A, 22B, 22C of network transformers 21A, 21B, 21C and a common bus 25, where the neutral point of star-connected primary winding of the transformers is grounded and a resistive load is connected to the secondary winding connected in open-delta. Upon occurrence of ground fault at point F1, a circuit breaker 106A and a load-break switch 112A are interrupted. Upon occurrence of ground fault at point F3, circuit breakers 106A, 106B, 106C are interrupted to block ground fault current from flowing to the ground fault point F3. In case of ground fault at point F4, circuit breaker 109 is interrupted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18475287A JPS6430421A (en) | 1987-07-24 | 1987-07-24 | Spot network power receiving facility |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18475287A JPS6430421A (en) | 1987-07-24 | 1987-07-24 | Spot network power receiving facility |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6430421A true JPS6430421A (en) | 1989-02-01 |
Family
ID=16158724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18475287A Pending JPS6430421A (en) | 1987-07-24 | 1987-07-24 | Spot network power receiving facility |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6430421A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003014549A (en) * | 2001-07-02 | 2003-01-15 | Tokyo Yogyo Co Ltd | Temperature-measuring apparatus and its cooling method |
-
1987
- 1987-07-24 JP JP18475287A patent/JPS6430421A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003014549A (en) * | 2001-07-02 | 2003-01-15 | Tokyo Yogyo Co Ltd | Temperature-measuring apparatus and its cooling method |
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