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The invention relates to a multi motor drive in which two electric motors which are assigned to a common output with a dual stage gearbox are provided An automatic controller controls on the one hand the load distribution between the motors and on the other hand the gearbox in order to ensure an optimum degree of efficiency of the drive.
Since the cooling/heating is achieved by air flow in a zoned compartment it is not very effective for machines with spatial temperature variations Deviating drastically from these conventional approaches this paper considers the mechanical motion control and the minimization of thermally induced deformation together through commutation laws of a multiple linear motor driven system.
30 08 2008 Multimotor drive In multimotor drive separate motors are used for operating different parts of the same mechanism Multimotor drive contains several individual drives each drive is used to operate its own mechanism Applications of multimotor drive Machine tools rolling mills overhead cranes paper making machines
For a six phase induction motor drive harmonics of the order 6n ±1 n=1 3 5 etc will not contribute to the air gap flux and hence these harmonic currents are limited by the stator impedance only.
24 03 2018 Marked Short Circuit Current Rating New Air Conditioning and Refrigeration Equipment with Multimotor and Combination Loads NEC Section B requires the nameplate of this equipment to be marked with its short circuit current rating There are exceptions for which this requirement does not apply to this equipment One and two family
Air Explorer Ratings 1954 65 Air Explorer Ratings Requirements 1 Fulfill eight of the fourteen projects within the Rating 2 Participate in one service activity 3 Participate in one outdoor activity 4 Participate in one social activity 5 Appear before your Explorer Leaders Council for review and approval.
24 03 2018 Marked Short Circuit Current Rating New Air Conditioning and Refrigeration Equipment with Multimotor and Combination Loads NEC Section B requires the nameplate of this equipment to be marked with its short circuit current rating There are exceptions for which this requirement does not apply to this equipment One and two family
Classification of all the even phase numbers is further provided sinusoidal distribution of the flux a round the air gap is assumed multimotor applications
The invention relates to a multi motor drive in which two electric motors which are assigned to a common output with a dual stage gearbox are provided An automatic controller controls on the one hand the load distribution between the motors and on the other hand the gearbox in order to ensure an optimum degree of efficiency of the drive.
To create a body of knowledge recent research works review the advances in the field of multiphase drives including their industrial applications machine design and modelling types of converters modulation techniques control strategies and innovative uses of the additional degrees of freedom multimotor drives battery chargers post fault control or dynamic breaking 10 13 .
01 04 2004 Motor Calculations Part 1 Motors and Branch Circuit Conductors April 1 2004 The best method for providing overcurrent protection for most circuits is to use a circuit breaker that combines overcurrent protection with short circuit and ground fault protection However this isn t usually the best choice for motors.
Motors multimotor and combination load equipment 430 Motors several motors or a motor s and other load s 430 Over 600 volt branch circuit calculations 210 B Over 600 volt feeder calculations 215 B Phase converters conductors 455 Recreational vehicle parks basis of calculations 551 A
Classification by type size voltage current capacity Refrigerators freezers and air conditioners Clothes washing clothes drying and dishwashing machines sump pumps disconnecting means may be located adjacent to a group of coordinated controllers mounted adjacent to each other or a multimotor continuous process machine.
30 03 2018 The Essentia features a lightweight carbon fiber monocoque and a multimotor electric powertrain The grille is an evolution of the Genesis Crest and the hood is transparent showing off its pushrod suspension It gets quad lights similar to what Genesis premiered on the GV80 concept Air outlets behind the front wheels reduce drag.
Air or liquid cooled frequency drives for single and multimotor solutionsIntegrated control system with applications for topdrives drawworks mud pumps and cement pumpsDrilling motorsAssignment Maintenance and Operation panelsBraking resistorsSupply transformers 12 or quasi 24 pulse
However many air conditioners HVAC equipment are considered as multimotor and combination load equipment and the requirements of B mandate the equipment be provided with a visible nameplate marked with the minimum supply circuit conductor ampacity and the maximum rating of the branch circuit short circuit and ground fault protective device OCPD .
30 03 2018 The Essentia features a lightweight carbon fiber monocoque and a multimotor electric powertrain The grille is an evolution of the Genesis Crest and the hood is transparent showing off its pushrod suspension It gets quad lights similar to what Genesis premiered on the GV80 concept Air outlets behind the front wheels reduce drag.