JPS5415148A - Differential protective realy - Google Patents
Differential protective realyInfo
- Publication number
- JPS5415148A JPS5415148A JP8063377A JP8063377A JPS5415148A JP S5415148 A JPS5415148 A JP S5415148A JP 8063377 A JP8063377 A JP 8063377A JP 8063377 A JP8063377 A JP 8063377A JP S5415148 A JPS5415148 A JP S5415148A
- Authority
- JP
- Japan
- Prior art keywords
- realy
- phase
- differential protective
- collectively
- ground
- 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
- Protection Of Generators And Motors (AREA)
Abstract
PURPOSE: To collectively protect three-phase component by setting up a ground circuit to collectively ground the single coil of each phase when the three-phase electric machinery and apparatus having n parallel coils in each phase is protected.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8063377A JPS5415148A (en) | 1977-07-05 | 1977-07-05 | Differential protective realy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8063377A JPS5415148A (en) | 1977-07-05 | 1977-07-05 | Differential protective realy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5415148A true JPS5415148A (en) | 1979-02-03 |
Family
ID=13723757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8063377A Pending JPS5415148A (en) | 1977-07-05 | 1977-07-05 | Differential protective realy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5415148A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57211458A (en) * | 1981-06-08 | 1982-12-25 | Fanuc Ltd | Copying controlling system |
JPS59175926A (en) * | 1983-03-28 | 1984-10-05 | Fanuc Ltd | Tension commanding system in wire-cut electric discharge machine |
JPS60263641A (en) * | 1984-06-07 | 1985-12-27 | Ando Electric Co Ltd | Cutting device setable of cutting conditions |
JPH0236050A (en) * | 1988-07-26 | 1990-02-06 | Toshiba Mach Co Ltd | Correction method for displacement of structure and device therefor |
JPH0241848A (en) * | 1988-08-03 | 1990-02-13 | Hitachi Seiki Co Ltd | Correcting method for thermal displacement of machine tool |
JP2012189403A (en) * | 2011-03-10 | 2012-10-04 | Hitachi Mitsubishi Hydro Corp | Revolving electrical machine |
-
1977
- 1977-07-05 JP JP8063377A patent/JPS5415148A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57211458A (en) * | 1981-06-08 | 1982-12-25 | Fanuc Ltd | Copying controlling system |
JPH0138623B2 (en) * | 1981-06-08 | 1989-08-15 | Fanuc Ltd | |
JPS59175926A (en) * | 1983-03-28 | 1984-10-05 | Fanuc Ltd | Tension commanding system in wire-cut electric discharge machine |
JPS60263641A (en) * | 1984-06-07 | 1985-12-27 | Ando Electric Co Ltd | Cutting device setable of cutting conditions |
JPH0236050A (en) * | 1988-07-26 | 1990-02-06 | Toshiba Mach Co Ltd | Correction method for displacement of structure and device therefor |
JPH0241848A (en) * | 1988-08-03 | 1990-02-13 | Hitachi Seiki Co Ltd | Correcting method for thermal displacement of machine tool |
JP2012189403A (en) * | 2011-03-10 | 2012-10-04 | Hitachi Mitsubishi Hydro Corp | Revolving electrical machine |
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