GB243843A - Improvements in or connected with switch mechanism and cable connections for electric motors - Google Patents
Improvements in or connected with switch mechanism and cable connections for electric motorsInfo
- Publication number
- GB243843A GB243843A GB2288324A GB2288324A GB243843A GB 243843 A GB243843 A GB 243843A GB 2288324 A GB2288324 A GB 2288324A GB 2288324 A GB2288324 A GB 2288324A GB 243843 A GB243843 A GB 243843A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- circuit
- switches
- coil
- supply
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
- B61G5/10—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for electric cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Mechanisms For Operating Contacts (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
243,843. Mavor & Coulson, Ltd., and Lawrence, W. Sept. 29, 1924. Switching systems. - Electric switching arrangements for use in controlling motors operating coal cutters &c., in which a trailing cable with plug couplings at each end, connects the motor to the supply are provided with an electrically - operated starting switch or switches at the supply end which can only be closed when the couplings are in position and which is controllable by a switch on the machine. As shown in Fig. 1, electromagnetically operated switch G connects lines 1 - - 3 of the supply cable A to a three phase motor through a trailing cable C having plug connections B, D, at its ends. The circuit of the switch operating coil H is completed across the supply mains through switches E and F and auxiliary lines 4 and 5, the switches being arranged to lock the plug connectors in position when closed, thus ensuring that the plug contacts cannot be exposed when alive. In Fig. 2 the auxiliary switch operating circuit is fed from the secondary of a transformer K the primary of which is connected across the mains by the switch E and the secondary through the switch F and lines 4 and 5. In Fig. 3 the return path for this secondary circuit is through the machine frame and cable armouring. Fig. 4 shows a further modification in which the circuit of the closing coil H of the electromagnetically operated switch is completed across the mains by a relay N the circuit of which is controlled in the manner already described in connection with the coil H of Fig. 3. The switches E<2>, and F<2> in this form not only control the auxiliary circuits at E<1> and F<1> but also carry bridging members of main and reversing switches in the line circuit. The relay N may engage a mechanical interlock P for preventing the switch G from closing otherwise than by the action of the coil H.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2288324A GB243843A (en) | 1924-09-29 | 1924-09-29 | Improvements in or connected with switch mechanism and cable connections for electric motors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2288324A GB243843A (en) | 1924-09-29 | 1924-09-29 | Improvements in or connected with switch mechanism and cable connections for electric motors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB243843A true GB243843A (en) | 1925-12-10 |
Family
ID=10186566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2288324A Expired GB243843A (en) | 1924-09-29 | 1924-09-29 | Improvements in or connected with switch mechanism and cable connections for electric motors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB243843A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2520688A1 (en) * | 1982-02-02 | 1983-08-05 | Fabeg Gmbh | Manual or automatic cable connector for railway vehicle - has two blocks which join together, one carrying reed-relay contacts and other permanent magnets |
-
1924
- 1924-09-29 GB GB2288324A patent/GB243843A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2520688A1 (en) * | 1982-02-02 | 1983-08-05 | Fabeg Gmbh | Manual or automatic cable connector for railway vehicle - has two blocks which join together, one carrying reed-relay contacts and other permanent magnets |
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