Invention Grant
- Patent Title: Variable switching frequency power converter
- Patent Title (中): 可变开关频率功率转换器
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Application No.: US13716877Application Date: 2012-12-17
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Publication No.: US09024557B2Publication Date: 2015-05-05
- Inventor: Colin Hargis
- Applicant: Control Techniques Ltd
- Applicant Address: GB Newtown
- Assignee: Control Techniques Ltd
- Current Assignee: Control Techniques Ltd
- Current Assignee Address: GB Newtown
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: GB1121800.5 20111216
- Main IPC: H02P6/14
- IPC: H02P6/14 ; H02P27/06 ; H02P27/08

Abstract:
A drive system for an electrical load such as an electric motor or generator comprises a PWM converter and a controller therefore. A signal indicative of a condition of the converter outpost is used in a controller to drive an optimal value of PWM switching frequency based on a load characteristic that is used to control the pulse switching frequency. The system takes account of the overall system in deriving an efficient PWM switching frequency.
Public/Granted literature
- US20130154530A1 Variable Switching Frequency Power Converter Public/Granted day:2013-06-20
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