Insulation system for electric rotating machines, method of production for same and powder coating
AssigneeSiemens Mobility GmbH
InventorsFlorian Schemmel, Steffen Lang, Marek Maleika, Niels Müller
Life of this patent
Estimating the term…
Abstract
Various embodiments of the teachings herein include an insulation system suitable as main insulation of an electrical rotating machine of rated voltage greater than 700 volts. The insulation system may include a powder coating applied using a powder coating formulation with at least two components. A first component includes an uncrosslinked polymer component polyimide-containing polymer. A second component includes an uncrosslinked siloxane-containing polymer. The first component and the second component are each in solid form at room temperature under standard conditions.
Claims12
An insulation system suitable as main insulation of an electrical rotating machine of rated voltage greater than 700 volts, the insulation system comprising:
- a powder coating applied using a dry powder coating formulation with at least two components;
- wherein a first component includes an uncrosslinked polymer component polyimide-containing polymer;
- and
- a second component includes an uncrosslinked siloxane-containing polymer;
- wherein the first component and the second component are each in solid form at room temperature under standard conditions;
- and
- the powder coating formulation includes no solvents.
A powder coating made part of an insulation system of an electrical rotating machine of rated voltage greater than 700 volts, the powder coating comprising:
- a solid film composed of at least two polymer components;
- wherein the first component includes a polyimide-containing polymer;
- and
- the second component includes a siloxane-containing polymer.
A method of producing an insulation system comprising a main insulation and optionally corona shielding, the method comprising:
- providing a dry powder coating formulation with at least two components, wherein the first component includes an uncrosslinked polyimide-containing polymer and the second component includes an uncrosslinked siloxane-containing polymer, wherein the first component and the second component are each in solid form at room temperature under standard conditions, wherein the dry powder coating formulation includes no solvent;
- applying the powder coating formulation to an electrically conductive substrate;
- and
- curing the powder coating.
Dependencies are inferred from the claim text.