US 11,929,639 B2
Device for uninterruptible supply of power, comprising an energy storage means and a rotating electric machine
Detlev Seidel, Goettingen (DE); and Armin Klauenberg, Osterode (DE)
Assigned to PILLER GROUP GMBH, Osterode (DE)
Filed by Piller Group GmbH, Osterode (DE)
Filed on Feb. 16, 2022, as Appl. No. 17/673,379.
Application 17/673,379 is a continuation of application No. PCT/EP2020/074917, filed on Sep. 7, 2020.
Claims priority of application No. 10 2019 123 864.1 (DE), filed on Sep. 5, 2019.
Prior Publication US 2022/0173611 A1, Jun. 2, 2022
Int. Cl. H02J 9/06 (2006.01); H02K 3/28 (2006.01)
CPC H02J 9/066 (2013.01) [H02J 9/062 (2013.01); H02K 3/28 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for uninterruptible power supply comprising
a rotating electric machine having a generator winding and a plurality of motor windings, the motor windings of the plurality of motor windings being electrically insulated from the generator winding, and the motor windings of the plurality of motor windings being electrically insulated from one another, and,
for each motor winding of the plurality of motor windings, an energy storage for electric energy and an inverter outputting an alternating current, wherein the energy storage is connected to the respective motor winding via the inverter.