FIELD: transport.
SUBSTANCE: invention relates to operation of ship drive motor (2) supplied by at least one PDM-inverter (3) whereat components (5) of PDM-inverter (3) changeover are switched at variable switch frequency. Said inverter is switched over manually by ship crew irrespective of motor (2) and inverter (3) conditions to change ship noise acoustic spectrum. Ship drive motor is supplied by several inverters whereat inverter switches are controlled at identical switchover frequency.
EFFECT: ship engine noise reduction.
10 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
SHIP ELECTRIC POWER SYSTEM | 2008 |
|
RU2375804C2 |
DRIVE SYSTEM FOR SURFACE SHIP PROPELLER AND METHOD OF MOTION AND CONTROL IN HEADING | 1999 |
|
RU2234439C2 |
SHIP ELECTRIC POWER PLANT | 2013 |
|
RU2544029C2 |
SHIP ELECTRIC POWER GENERATOR | 2012 |
|
RU2503580C1 |
ELECTRIC PROPULSION SHIP SYSTEM WITH TWO-SCREW PROPULSION UNIT WITH RING STRUCTURE ENGINES | 2012 |
|
RU2522733C1 |
CONTROL METHOD FOR INDEPENDENT VOLTAGE INVERTER | 2016 |
|
RU2620129C1 |
SHIP ELECTRIC POWER GENERATOR | 2013 |
|
RU2533869C1 |
SHIP ELECTRIC POWER GENERATOR | 2012 |
|
RU2510358C2 |
MANAGEMENT DECISION MAKING INFORMATION SUPPORT SYSTEM FOR OPERATIONAL PERSONNEL OF A SHIP POWER PLANT | 2015 |
|
RU2668487C2 |
SHAFT GENERATOR SYSTEM | 2011 |
|
RU2528180C1 |
Authors
Dates
2014-04-27—Published
2011-03-23—Filed