FR2445293A2 - Automatic mooring winch system for ships - has winch drum driven by polyphase motor supplied from static converter with speed feedback - Google Patents

Automatic mooring winch system for ships - has winch drum driven by polyphase motor supplied from static converter with speed feedback

Info

Publication number
FR2445293A2
FR2445293A2 FR7836951A FR7836951A FR2445293A2 FR 2445293 A2 FR2445293 A2 FR 2445293A2 FR 7836951 A FR7836951 A FR 7836951A FR 7836951 A FR7836951 A FR 7836951A FR 2445293 A2 FR2445293 A2 FR 2445293A2
Authority
FR
France
Prior art keywords
speed feedback
ships
winch
drum driven
static converter
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.)
Granted
Application number
FR7836951A
Other languages
French (fr)
Other versions
FR2445293B2 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce Power Engineering PLC
Original Assignee
Northern Engineering Industries PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northern Engineering Industries PLC filed Critical Northern Engineering Industries PLC
Priority to FR7836951A priority Critical patent/FR2445293B2/en
Publication of FR2445293A2 publication Critical patent/FR2445293A2/en
Application granted granted Critical
Publication of FR2445293B2 publication Critical patent/FR2445293B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/48—Control devices automatic
    • B66D1/50—Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control
    • B66D1/505—Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

The mooring system has a winch with a drum driven by a polyphase motor supplied from a static converter consisting of a static inverter and a rectifier. The motor's speed is monitored, eg. by a tachometer, and used to control the static inverter in order to change the motor's excitation. The monitor's output is connected to a detector designed so that the polarity of the signal from the monitor is preserved despite changes in the direction of rotation of the monitor as a result of a switch and parallel circuit path containing an inverting amplifier coupled into the actual speed feedback path.
FR7836951A 1978-12-29 1978-12-29 AUTOMATIC MOORING WINCH SYSTEMS Expired FR2445293B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7836951A FR2445293B2 (en) 1978-12-29 1978-12-29 AUTOMATIC MOORING WINCH SYSTEMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836951A FR2445293B2 (en) 1978-12-29 1978-12-29 AUTOMATIC MOORING WINCH SYSTEMS

Publications (2)

Publication Number Publication Date
FR2445293A2 true FR2445293A2 (en) 1980-07-25
FR2445293B2 FR2445293B2 (en) 1985-11-15

Family

ID=9216751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836951A Expired FR2445293B2 (en) 1978-12-29 1978-12-29 AUTOMATIC MOORING WINCH SYSTEMS

Country Status (1)

Country Link
FR (1) FR2445293B2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2258043A1 (en) * 1974-01-10 1975-08-08 Fuji Electric Co Ltd
FR2262440A1 (en) * 1974-02-25 1975-09-19 Gen Electric
FR2308137A1 (en) * 1975-04-14 1976-11-12 Gen Electric CONTROL DEVICE FOR THE TORQUE REGULATION OF AN ALTERNATIVE CURRENT INDUCTION MOTOR
DE2649511A1 (en) * 1976-10-29 1978-05-03 Licentia Gmbh Mooring winch automatic torque adjustment circuit - has excitation and armature current switched on and brake released in sequence

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2258043A1 (en) * 1974-01-10 1975-08-08 Fuji Electric Co Ltd
FR2262440A1 (en) * 1974-02-25 1975-09-19 Gen Electric
FR2308137A1 (en) * 1975-04-14 1976-11-12 Gen Electric CONTROL DEVICE FOR THE TORQUE REGULATION OF AN ALTERNATIVE CURRENT INDUCTION MOTOR
DE2649511A1 (en) * 1976-10-29 1978-05-03 Licentia Gmbh Mooring winch automatic torque adjustment circuit - has excitation and armature current switched on and brake released in sequence

Also Published As

Publication number Publication date
FR2445293B2 (en) 1985-11-15

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