SU569015A1 - Magnetic pulse generator - Google Patents

Description

3

The amplifier 8 and controls the operation of the switch 4 in such a way that the amplitude of the current-switched pulses is proportional to the voltage that is released. The key, through the additional winding of the switching element, which is part of the link 3 of compression, controls it in such a way that it changes the moment of core saturation in time. The required operation mode of the generator, symmetrical or asymmetrical, is set by the corresponding parameters, switching element (saturable throttle, transformer and autotransformer), as well as the amplitude and phase of the bias current pulses. select the parameters of the first link in such a way that, in the absence of impulses of bias current, the core of the switching element will not be saturated. Then, by applying current pulses of a nodomagnetisation of one polarity, it is small to go on with a single saturation mode during the period of the supply voltage, i.e., into an asymmetric mode. If the bias current pulses are applied once for several periods of the supply voltage, the output pulse frequency is divided by a ratio equal to the ratio of the supply voltage frequency to the frequency of the output current of the bias current.

If the ampotitude of the pulses in the load 6, for example, decreases (the decrease of the alternating voltage at the input of the magnetic generator or the change in the magnitude of the "load, etc.), the voltage applied to the threshold element 7 decreases. the input of the key 4, while the amplitude of the bias current pulse increases, the saturation of the core is accelerated by switching 1

element in time, which leads to an increase in the amplitude of the discharge voltage of the storage capacitor of the link 3 of the generator, and consequently, the amplitude of them. pls on load to the desired value. With an increase in the amplitude of the pulses on the load, the magnetic generator circuit operates in a similar way. It is possible to magnetise the current pulses not only with the commuting element of the first compression link, but also with the switching element of any other compression link of the magnetic generator.

Fo rm

- A magnetic pulse generator containing a source of alternating voltage, connected through a charging device to the links of a magnetic generator, to the last of

which is connected to a load, characterized in that, in order to increase the amplitude stability and ensure the division of the frequency of the output pulses in symmetric and asymmetrical modes of operation, a feedback circuit containing a threshold element, the input of which is connected to the load, and the output through the amplifier is connected to one key input, the other input (which is connected to the alternating voltage source, and the output to one of the links of the magnetic generator.

Sources of information taken into consideration at the examination:

1. Meerovich L. A. et al. Magnetic Pulse Generators, “Owl. Radio, 1968, p. 142

2. Authors certificateSSSR L 172557, cl. H 03 K 3/45, 1968.