Drive system for a group of machines
AssigneePicanol N.V.
InventorWalter Bilcke
Life of this patent
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Abstract
A drive system powering a group of machines each fitted with a rectifying unit, wherein the inputs of the control devices of the machines' drive motors are interconnected by an electrical bus which implements a power exchange. The system enables swapping current from a power supply between motors of different machines.
Claims13
A drive system comprising a group of separate weaving machines having respective components driven in periodic motion resulting in varying power consumption by each machine during each machine cycle, each machine including a drive motor connected by a control device to a rectifier providing a DC power source from an AC power supply, each drive motor controlled and powered to deliver torque such that the power required by each motor varies during a machine cycle, and wherein the DC power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping DC power source current by said electrical lines whereby energy not required by a drive motor of one machine can be shifted to other drive motors of the other machines as needed to optimize the total power consumption by said drive motors of all machines.
A drive system comprising a group of machines, each machine including a drive motor connected by a control device to a DC power source, wherein electrical power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping electrical power source current by said electrical lines;
- and
- a joint resistor is associated with the group of machines and is connected through a switching unit to the electrical power source inputs of the control devices of the machines.
A drive system comprising a group of machines, each machine including a drive motor connected by a control device to a DC power source wherein electrical power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping electrical power source current by said electrical lines;
- and
- an inverter is provided between the control devices of the machines of the group and an AC power source.
A drive system comprising a group of separate machines, each machine including a drive motor connected by a control device to rectifier providing a DC power source from an AC power supply, wherein electrical power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping electrical power source current by said electrical lines;
- and
- wherein a joint resistor is associated with the group of machines and is connected through a switching unit to the electrical power source inputs of the control devices of the machines.
A drive system comprising a group of separate machines, each machine including a drive motor connected by a control device to rectifier providing a DC power source from an AC power supply, wherein electrical power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping electrical power source current by said electrical lines, wherein a single resistor is associated with each machine and is connected through a switching unit to the electrical power source input of a respective control device and a respective energy buffer.
A drive system comprising a group of separate machines, each machine including a drive motor connected by a control device to rectifier providing a DC power source from an AC power supply, wherein electrical power source inputs of the control devices of the drive motors of the machines of said group are interconnected by electrical lines in a manner enabling swapping electrical power source current by said electrical lines, wherein a single resistor is associated with each machine and is connected through a switching unit to a respective energy buffer.
Dependencies are inferred from the claim text.