DE310817C - - Google Patents
Info
- Publication number
- DE310817C DE310817C DENDAT310817D DE310817DA DE310817C DE 310817 C DE310817 C DE 310817C DE NDAT310817 D DENDAT310817 D DE NDAT310817D DE 310817D A DE310817D A DE 310817DA DE 310817 C DE310817 C DE 310817C
- Authority
- DE
- Germany
- Prior art keywords
- lowering
- circuit
- controller
- heavy
- switching
- 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.)
- Active
Links
- 241001523179 Lasia <small-headed fly> Species 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
- B66C13/23—Circuits for controlling the lowering of the load
- B66C13/26—Circuits for controlling the lowering of the load by ac motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/081—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists with ac motors
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Stopping Of Electric Motors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE310817C true DE310817C (ja) |
Family
ID=563842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT310817D Active DE310817C (ja) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE310817C (ja) |
-
0
- DE DENDAT310817D patent/DE310817C/de active Active
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