Magnetic control process for transfering energy in a static converter
OwnerAndre Bonnet, Jean-Pierre Dannerinventors
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Abstract
The invention relates to a magnetic control process for transfering energy in a static converter comprising a voltage source (E) and an almost sinusoidal current generator IQS serially coupled with the primary winding of at least one saturable current transformer (TP). The secondary winding of the current transformer (TP) feeds a control circuit (C) which regulates as a function of one parameter, voltage or current, of this secondary winding the demagnetization of the whole magnetic circuit (TP) according to the desired energy transfer. The invention also relates to a static converter for implementing the method.
Claims7
A process using the saturation of a transformer magnetic core to control the energy transfer of a static converter having an input and an output, and including at least one transformer having a primary and a secondary winding wound on a magnetic core, said static converter acting as a current source towards said primary winding of said transformer, and comprising the steps of:
- controlling the magnetization state of said transformer magnetic core through a regulation circuit,
- controlling the energy transfer from the input to the output of said static converter by utilizing the controlled magnetization state of said transformer magnetic core to allow energy to be transferred to said output of said static converter without damaging said static converter acting as a current source, when said transformer magnetic core has not been set to a state of saturation by said regulation circuit, and to prevent energy from being transferred to said output of said static converter when said transformer magnetic core has been set to a state of saturation by said regulation circuit.
In a static converter including a voltage source (E), at least one transformer having a primary winding and a secondary winding wound on a magnetic core;
- the improvement wherein said static converter has a topology such that said static converter is configured as a current source (IQS) towards the primary winding of said transformer (TP), one winding of said transformer (TP) being controlled by a regulation circuit (C), said regulation circuit controlling the magnetization state of said transformer magnetic core according to a predetermined energy transfer.
Dependencies are inferred from the claim text.