Power conversion regulator with predictive energy balancing
First Claim
1. A power-conversion regulator comprising;
- an input adapted to receive energy from an energy source;
an inductive reactor for temporary energy storage;
an output reactor for output filtration;
an output adapted to supply energy to a load;
a reference signal to which the output is compared to provide a desired output; and
control circuitry for controlling the charging of the inductive reactor so that the amount of energy placed into the inductive reactor during inductive reactor charging is based approximately upon a per-chopping-cycle load energy requirement.
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Accused Products
Abstract
A power-conversion regulator comprising an inductive reactor, an output filter reactor, and a switch for admitting energy to the inductive reactor, additionally comprises computation circuitry responsive to the flux in the inductive reactor, to a reference signal, to an output voltage, and sometimes to an output load current, for computing the quantity of energy that must be supplied to a load and to the output filter reactor to regulate the output voltage or current to a desired relationship with the reference signal during each chopping waveform cycle driving the switch. As the inductive reactor is charged from an input energy source, the computation circuitry predicts whether the energy in the inductive reactor has become adequate for the regulation.
39 Citations
35 Claims
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1. A power-conversion regulator comprising;
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an input adapted to receive energy from an energy source;
an inductive reactor for temporary energy storage;
an output reactor for output filtration;
an output adapted to supply energy to a load;
a reference signal to which the output is compared to provide a desired output; and
control circuitry for controlling the charging of the inductive reactor so that the amount of energy placed into the inductive reactor during inductive reactor charging is based approximately upon a per-chopping-cycle load energy requirement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A method of regulating a power converter comprising the steps of:
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at a point in a chopping cycle of said regulator estimating the amount of load energy required to maintain the output of a regulator at a desired voltage or current for the cycle;
charging an inductive reactor with energy;
determining or estimating the amount of stored energy contained within the field of the inductive reactor;
comparing the amount of load energy with the amount of stored energy;
controlling the charging of the inductive reactor to cause the stored energy to be sufficient to provide the load energy; and
delivering to said output at least a portion of the stored energy in the field of the inductive reactor. - View Dependent Claims (27, 28)
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- 29. A power conversion regulator comprising circuitry for determining the regulator'"'"'s total output capacitance.
- 31. A power conversion regulator comprising circuitry for determining the regulator'"'"'s internal inductance.
- 33. A power conversion regulator comprising circuitry for determining the non-reactive portion of its load current.
Specification