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
Application number
DENDAT310817D
Other languages
German (de)
English (en)
Publication of DE310817C publication Critical patent/DE310817C/de
Active legal-status Critical Current

Links

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)
DENDAT310817D Active DE310817C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE310817C true DE310817C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=563842

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT310817D Active DE310817C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE310817C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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