Pitch system and method for test of a power bank and use of the pitch system for performing the method

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United States of America Patent

PATENT NO 10620269
APP PUB NO 20180172775A1
SERIAL NO

15578650

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Abstract

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Pitch system (1) comprising at least one pitch motor drive (3) connected an electrical network (5). Each pitch motor drive (3) is connected to a power bank, and the pitch system comprises a test module adapted to be activated in a test position. The test module comprises a brake module (8) each connected to a pitch motor drive (3), and each brake module (8) is adapted to load a pitch motor drive (3) with a certain load Rb. Hereby a voltage drop takes place over the power bank (6). The power bank (6) is separated into a number of power blocks (9) and the voltage drop ΔV of each power block (9) is adapted to be registered by the test module when the brake module (8) is activated.

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Patent Owner(s)

Patent OwnerAddress
DEIF WIND POWER TECHNOLOGY (SHANGHAI) CO LTD201203 SHANGHAI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thomsen, Jesper Outrup, DK 4 4

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