HANNOVER MESSE 2018, 23 - 27 April
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D1000 feeder/recovery unit

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Exhibitor details
Logo D1000 feeder/recovery unit

Exhibition stand
Topic: PROFIBUS & PROFINET International (PI) Pavilion

Hall 9, Stand D68

Product description

The D1000 feeder/recovery unit from Yaskawa uses an integrated Active Front End, an active power supply, which enables sinusoidal power consumption, i.e. feed and recovery with low harmonics.
The low harmonic effects considerably reduce the load on the grid: The better power quality reduces the susceptibility to failure of cables and other network components. In generators and transformers it reduces the loss of energy.
The D1000 feeder/recovery unit works in four-quadrant operation. This means that it can transfer energy back in both directions, both from the grid to the motor as well as during braking. At full capacity, this results in shorter machine cycles and an increase in production efficiency. At the same time, the overall energy requirements of the system are reduced, as the recovered energy can be used by other consumers in the same system.
Wide range of uses
The market-ready new development can be used both in one-to-one applications with one axis as well as in larger systems with several axes. In the first case, the D1000 is connected to a single inverter drive, which in turn drives a motor. In the second case, it forms a DC bus. This means that it takes on the role of the feeder/recovery unit for multiple inverters, servo axes and robots in a DC bus system. This requires much less space than for several inverter drives each with their own Active Front End. Furthermore, the drive group can be connected to the power supply via a single delivery point.
A DC voltage stabiliser even compensates for irregularities in input power supply to ensure reliable system operation. The DC link voltage is guaranteed to remain constant even when the power supply voltage is fluctuating, and delivers the same voltage level for all inverter drives. This means the machines are less susceptible to local power fluctuations and always provide a constant output, irrespective of their installation site.

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