Radar power supply

Claim 2

A power supply comprising: a transformer having primary and secondary windings, a primary circuit including said primary winding and switching means, said primary circuit being connectable to a primary power source for energizing said primary winding, a secondary circuit electrically floating relative to said primary circuit including said secondary winDing, storage means and uni-directional conducting means connecting said secondary winding to said storage means for charging said storage means upon excitation of said secondary winding in a sense whereby said uni-directional conducting means is poled for conduction, pulsing control means for successively actuating said switching means to energize said primary circuit from said primary power source in a succession of current pulses, said transformer effecting an energy transformation of said pulses to said secondary circuit only during intervals between said succession of said current pulses for varying in successive increments the level of energy stored on said storage means until a desired direct current output voltage is achieved after some given number of said current pulses, a de-Q network coupled to said primary winding responsive to said pulsing control such that said de-Q network is operative only during the last pulse interval to achieve regulation of output voltage developed in said storage means.

Claim 3

A power supply as recited in claim 1 wherein said de-Q network includes: a winding coupled to said primary winding, a dissipative element, and a switch connecting said winding and said dissipative element, said switch being normally open and being actuated to a closed position for connecting said dissipative element to said winding by said pulsing control means during said last pulse interval.

Claim 4

In a power supply including a transformer having primary and secondary windings, wherein the secondary winding is connected in a secondary circuit including a series connected uni-directional conducting means to a storage means, the method of operating comprising: energizing said primary winding with a succession of current pulses defining a corresponding succession of charging pulse intervals, said current pulses in said primary winding being of predetermined polarity with regard to the relative polarity sense of said secondary winding for reverse biasing said uni-directional conducting device of said secondary circuit during each current pulse in said primary winding, to cause the secondary winding to appear unloaded from said primary winding, successively rendering said primary winding effectively open-circuited following each energizing current pulse and during each energy transformation by said transformer to said secondary winding, said secondary winding being energized thereby in a polarity sense for conduction of said uni-directional conducting device for varying in successive increments the charge level on said storage means in accordance with said succession of pulse intervals, and discontinuing pulsed energization of said primary winding when said storage means is charged to the desired level.

Claim 5

In a power supply including a transformer having primary and secondary windings, wherein the secondary winding is connected in a secondary circuit including a series connected uni-directional conducting means to a storage means, the method of operating comprising: energizing said primary winding with a succession of current pulses defining a corresponding succession of charging pulse intervals, said current pulses in said primary winding being of predetermined polarity with regard to the relative polarity sense of said secondary winding for reverse biasing said uni-directional conducting device of said secondary circuit during each current pulse in said primary winding, to cause the secondary winding to appear unloaded from said primary winding, successively rendering said primary winding effectively open-circuited following each energizing current pulse and during each energy transformation by said transformer to said secondary winding, said secondary winding being energized thereby in a polarity sense for conduction of said uni-directional conducting device for varying in successive increments the charge level on said storage means in accordance with said succession of pulse intervals, and discontinuing pulsed energization of said primary winding when said storage means is charged to the desired level.

Claim 6

In a power supply including a transformer having primary and secondary windings, wherein the secondary winding is connected in a secondary circuit including a series-connected uni-directional conducting means to a storage means, the method of operation comprising: energizing said primary winding with a succession of current pulses defining a corresponding succession of charging pulse intervals, said current pulses in said primary winding being of predetermined polarity with regard to the relative polarity sense of said secondary winding for reverse biasing said uni-directional conducting device of said secondary circuit during each current pulse in said primary winding, to cause said secondary winding to appear unloaded from said primary winding, successively rendering said primary winding effectively open-circuited following each energizing current pulse and during energy transformation by said transformer to said secondary winding, said secondary winding being energized thereby in a polarity sense for conduction of said uni-directional conducting device for varying the charge level in successive increments on said storage means in accordance with said succession of pulse intervals, discontinuing the pulse eneRgization of said primary winding when said storage means is charged to the desired level, and damping said primary winding during the last of the successive pulse intervals for regulating the voltage developed across said storage means.

Claim 7

In a power supply including a transformer having primary and secondary windings, wherein the secondary winding is connected in a secondary circuit including a series-connected uni-directional conducting means to a storage means, the method of operation comprising: energizing said primary winding with a succession of current pulses defining a corresponding succession of charging pulse intervals, said current pulses in said primary winding being of predetermined polarity with regard to the relative polarity sense of said secondary winding for reverse biasing said uni-directional conducting device of said secondary circuit during each current pulse in said primary winding, to cause said secondary winding to appear unloaded from said primary winding, successively rendering said primary winding effectively open-circuited following each energizing current pulse and during energy transformation by said transformer to said secondary winding, said secondary winding being energized thereby in a polarity sense for conduction of said uni-directional conducting device for varying the charge level in successive increments on said storage means in accordance with said succession of pulse intervals, discontinuing the pulse eneRgization of said primary winding when said storage means is charged to the desired level, and damping said primary winding during the last of the successive pulse intervals for regulating the voltage developed across said storage means.

Claim 8

Power supply circuitry for repeatedly varying the energy level of a storage means to thereby provide an output signal thereacross of a desired magnitude, said circuitry comprising: transformer means having primary and secondary windings, each of said windings being electrically floating with respect to the other, uni-directional conducting means coupled between said secondary winding and said storage means, and control means for successively applying a series of pulse-like signals to said primary winding, said uni-directional conducting means being so connected to said secondary winding and said secondary winding being poled in an opposite sense from that of said primary winding so that upon energization of said primary winding, said uni-directional conducting means is reverse-biased and that upon termination of energization of said primary winding, said transformer effects energy transformation to said storage means, said control means controlling the successive transfers of energy to said storage means until a desired magnitude of energy has been stored on said storage means.

Claim 9

Power supply circuitry for repeatedly varying the energy level of a storage means to thereby provide an output signal thereacross of a desired magnitude, said circuitry comprising: transformer means having primary and secondary windings, each of said windings being electrically floating with respect to the other, uni-directional conducting means coupled between said secondary winding and said storage means, and control means for successively applying a series of pulse-like signals to said primary winding, said uni-directional conducting means being so connected to said secondary winding and said secondary winding being poled in an opposite sense from that of said primary winding so that upon energization of said primary winding, said uni-directional conducting means is reverse-biased and that upon termination of energization of said primary winding, said transformer effects energy transformation to said storage means, said control means controlling the successive transfers of energy to said storage means until a desired magnitude of energy has been stored on said storage means.

Claim 10

Power supply circuitry as claimed in claim 5, wherein said control means is responsive to the termination of the current flow in said secondary winding for initiating the application of a pulse-like signal to said primary winding.

Claim 11

Power supply circuitry as claimed in claim 5, wherein said control means is responsive to the application of a predetermined number of pulse-like signals to said primary winding for terminating the further application of the pulse-like signals to said primary winding.

Claim 12

A power supply comprising: a transformer having primary and secondary windings, a primary circuit including said primary winding and switching means, said primary circuit being connectable to a primary power source for energizing said primary winding, a secondary circuit electrically floating relative to said primary circuit including said secondary winding, a pulse network, and uni-directional conducting means connecting said secondary winding to said pulse network for charging said pulse network upon excitation of said secondary winding in a sense whereby said uni-directional conducting means is poled for conduction, and pulsing control means for successively actuating said switching means to energize said primary circuit from said primary power source in a succession of current pulses, said transformer effecting energy transformation of said pulses to said secondary circuit only during intervals between said succession of said current pulses for varying in successive increments the level of energy stored on said storage means until a desired direct current output voltage level is achieved and wherein said pulsing control means is responsive to the energy level developed in said secondary circuit for discontinuing said actuation of said switching means when the desired output voltage is developed in said pulse network.

Claim 13

A power supply comprising: a transformer having primary and secondary windings, a primary circuit including said primary winding and switching means, said primary circuit being connectable to a primary power source for energizing said primary winding, a secondary circuit electrically floating relative to said primary circuit including said secondary winding, a pulse network, and uni-directional conducting means connecting said secondary winding to said pulse network for charging said pulse network upon excitation of said secondary winding in a sense whereby said uni-directional conducting means is poled for conduction, and pulsing control means for successively actuating said switching means to energize said primary circuit from said primary power source in a succession of current pulses, said transformer effecting energy transformation of said pulses to said secondary circuit only during intervals between said succession of said current pulses for varying in successive increments the level of energy stored on said storage means until a desired direct current output voltage level is achieved and wherein said pulsing control means is responsive to the energy level developed in said secondary circuit for discontinuing said actuation of said switching means when the desired output voltage is developed in said pulse network.

Claim 14

A power supply as recited in claim 8 wherein there is further provided: a sense winding coupled to said secondary winding for sensing the voltage level developed in said secondary circuit for energization of said pulse network, a comparator connected to said sense winding for comparing the sensed voltage with the desired output voltage of said pulse network, said comparator supplying a signal to said pulsing control means when the sensed voltage corresponds to the desired output voltage of said pulse network, and said pulsing control means discontinues switching of said switching means in response to receipt of said comparator signal.

Claim 15

A power supply as recited in claim 8 wherein there is further provided: means for sensing the flow of current in said secondary winding, and said pulsing control means is responsive to said sensing means to effect energization of said primary circuit by actuation of said switching means to permit the flow of energizing current in said primary winding only upon termination of current flow in said secondary winding.

Claim 16

A power supply as recited in claim 8 wherein said switching means comprises a switching transistor having its collector-emitter conducting path connected in series with said primary winding in said primary circuit.

Claim 17

A power supply as recited in claim 8 wherein said switching means comprises a resonant commutated thyristor network.

Claim 18

A power supply as recited in claim 12 wherein: said resonant commutated thyristor network comprises a unidirectional conducting device and a resonant commutating circuit connected in series with said primary winding in said primary circuit, and a thyristor connected in shunt with said resonant commutating circuit, said resonant commutating circuit being charged by current flow from said primary power source through said primary winding, and said pulsing control means selectively actuates said thyristor to establish a shunt conducting path across said resonant commutating circuit, conduction of said resonant commutating circuit through said shunt path thus established developing a bias potential for reverse biasing said unidirectional conducting device and terminating current flow in said primary circuit to complete a given pulse interval, and for commutating said thyristor to permit current flow in said primary circuit to initiate a subsequent pulse interval.

Claim 19

A power supply as claimed in claim 8, wherein said transformer includes a gapped core.