Energy-efficient drive technology
He who brakes, saves
The new PMCenergy SD energy storage units from Pilz save up to 60 percent energy. To achieve this, the energy generated during braking is absorbed, temporarily stored and reused - without any repercussions for the power grid.
Further advantages in addition to the energy savings: The low heat development (braking energy is no longer dissipated as heat) ensures a longer service life for the devices and, as smaller cooling units are now sufficient, PMCenergy SD also saves costs and space in the switch cabinet.
The PMCenergy SD energy storage unit automatically determines the level of the working voltage in the servo amplifier's DC link. PMCenergy SD stores energy that exceeds the DC link voltage in capacitors. If the voltage falls below this level, PMCenergy SD feeds energy back in during acceleration processes, thereby saving energy.
The intermediate circuits can be easily connected to each other so that one energy storage unit per axis group is sufficient. This provides users with an economical solution for handling energy, especially on large machines and systems with many axes.
Non-reactive storage
Although the energy storage unit absorbs braking energy, this is not fed back into the power grid: As the energy storage unit has no direct contact with the input-side power grid, there are no feedback effects for the grid and the servo amplifier's grid feedback effects are also minimized.
The storage volume can be easily expanded with different modules with power ratings of 1,600 Ws and 3,200 Ws - depending on requirements.The PMCenergy SD energy storage units can be operated with different PMCprotego D and PMCtendo DD5 servo amplifiers. as
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