STARTING METHODS FOR BLDC MOTORS APPLIED ON RECIPROCATING COMPRESSORS
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Nov 22, 2021
filing date -
Nov 24, 2020
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Abstract
The present invention refers to a starting method with two-levels modified and discrete fixed-time or fixed-frequency hysteresis current controller, under high load conditions, of a BLDC motor (10) with trapezoidal-shaped induced voltages, wherein the BLDC motor (10) is driven by an inverter bridge (30) with only one current sensor (20) positioned in the busbar, controlled by means of a processing unit associated to an analog-digital converter, wherein the novelty basically comprises the fact that:
- the intensity of the BLDC motor current (Im) is controlled by means of the two-levels and discrete fixed-time or fixed-frequency hysteresis current controller.
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