UA141040U - DEVICE FOR CONTROLLING A SINGLE-TACT VOLTAGE CONVERTER - Google Patents

Abstract

The device for controlling a single-stroke voltage converter includes a pulse generator, transformer, primary and secondary windings, demagnetizing winding, controlled electronic key, rectifier, LC-filter, diode, capacitor. In addition, the circuit includes a negative feedback circuit electrically connected to the pulse generator.

Description

The proposed useful model belongs to the power conversion equipment and can be used in secondary power sources.

As the closest analogue, a well-known device for controlling a single-phase voltage converter was chosen, which contains a pulse generator, a transformer with primary and secondary windings, a demagnetizing winding, a controlled electronic key, a rectifier,

I C-filter, diode, capacitor (Patent KI Mo 2522963, НО2М 3/334, publ. 07/20/2014).

The disadvantage of the device compared to the closest analogue is a complex design and an understated pulse filling factor of the converter, which leads to an increase in the effective value of the current in the power elements of the converter.

The basis of the useful model is the task of improving the device by introducing new structural elements into the system, which will allow to increase the pulse filling factor of the converter.

The task is solved by the fact that in the device for controlling a single-cycle voltage converter, which contains a pulse generator, a transformer, primary and secondary windings, a demagnetizing winding, a controlled electronic key, a rectifier, an IC filter, a diode, a capacitor, according to a useful model, in the scheme a negative feedback circuit electrically connected to the pulse generator is introduced.

A useful model is explained by the drawing, which shows the circuit of a device for controlling a single-cycle voltage converter.

The device for controlling a single-cycle voltage converter contains a pulse generator 1, a controlled power electronic key 2, a demagnetizing winding 3, a transformer 4, an output 5, an IC filter 6, a rectifier 7, a diode 8, a capacitor 9, a control electronic key 10, a feedback circuit connection 11, output 12, inputs 13 and 14, primary winding 15, secondary winding 16.

The device for controlling a single-pin voltage converter works as follows.

The pulse generator 1, the controlled power electronic key 2, one terminal is connected to the first input 13 of the converter, the second - to the beginning of the primary winding 15 of the transformer 4, the end of which is connected to the second input 14 of the converter, the outputs 5 and 12 of which through IC - filter b and rectifier 7 are connected to the output of the secondary winding 16 of the transformer 4, the demagnetizing winding Z is connected at the end to the first input 13 of the converter, the beginning to the cathode of the diode 8, the anode of which is connected to the second input 14 of the converter, to the connection points of the demagnetizing winding Z a capacitor 9 is connected to the diode 8 and the power electronic key 2 with the primary winding 15 of the transformer 4, a control electronic key 10 is installed between the pulse generator 1 and the controlled input of the power electronic key 2, the controlled input of which is connected to the terminals of the primary winding 15 of the transformer 4, and the beginning of the primary winding 15 of the transformer 4 is the common point of the power electronic key 2 and the control electric of the key 10.

Claims (1)

USEFUL MODEL FORMULA 40 A device for controlling a single-cycle voltage converter containing a pulse generator, a transformer, primary and secondary windings, a demagnetizing winding, a controlled electronic key, a rectifier, an IC filter, a diode, a capacitor, which is distinguished by the fact that a negative feedback circuit is introduced into the circuit connection, electrically connected to the pulse generator. 32 and ! sho Shu and V terny 25 4 a NK IZ ist