Multipurpose, universal converter with battery control and real-time power factor correction

• US 9,178,354 B2
• Filed: 08/24/2011
• Issued: 11/03/2015
• Est. Priority Date: 08/24/2011
• Status: Expired due to Fees

• Current Assignee: 3DFS LLC
• Original Assignee: 3DFS LLC
• Inventors: Oleynik, Vladislav, Albul, Gennady
• Primary Examiner(s): Barnie, Rexford
• Assistant Examiner(s): Mourad, Rasem
• Application Number:
  US13/217,036
• Publication Number:
  US 20130049471A1
• Time in Patent Office: 1,532 Days
• Field of Search: 307 64- 66, 307/72, 307 74- 75, 307/82, 307/84, 307/151, 323/205, 323/207, 323/283
• US Class Current: 1/1
• CPC Class Codes: H02J 2300/10 The dispersed energy generation being of fossil origin, e.g. diesel generators
• CPC Class Codes: H02J 3/01 Arrangements for reducing harmonics or ripples
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 7/0069 Charging or discharging for charge maintenance, battery initiation or rejuvenation
• CPC Class Codes: H02J 9/062 for AC powered loads
• CPC Class Codes: Y02E 40/40 Arrangements for reducing harmonics
• CPC Class Codes: Y02P 80/14 District level solutions, i.e. local energy networks

Abstract

The Electric Power Converter functions as an uninterruptable power supply, battery management, energy conversion, micro-grid formation, and Power Factor Correction including Total Harmonic Distortion correction in real time. Uninterruptable power supply'"'"'s use is for always-on, real-time, reduced distortion with functions of load reduction and management during peak load events. The Electric Power Converter is able to establish and sustain a micro-grid with multiple and varying sources of power generation and load conditions. The Electric Power Converter achieves dynamic, real-time, interactive Power Factor Correction (PFC) and advanced voltage harmonic distortion correction with a high efficiency ratio. The Electric Power converter is designed to function with the emerging Smart Grid technologies and provide an overall higher level of operating efficiency and higher quality of electrical power.

Claims

1. A multi-function power conditioning and converter apparatus, comprising:

a Digital Signal Processing (DSP) device comprising one or more processors and further comprising a data bus and network communication connection;

a plurality of switches operative to select a mode of operation;

measuring circuits to measure voltage and current for a first power input and a second power input, the measurements transmitted to the DSP device via the data bus;

an input power controller electrically connected to the first power input, the second power input, and a power output;

an inverter device electrically connected to the DSP device and the input power controller through the data bus;

a galvanic separation device electrically connected to the DSP device and the input power controller through the data bus;

an output converter circuit electrically connected to the DSP device through the data bus and electrically connected to the power output;

a plurality of adaptive and predictive software modules implemented in a DSP device processor, the adaptive and predictive software modules accepting input from the measuring circuits and operative to analyze power circuit conditions;

the software modules in the DSP device adapted to calculate and provide partial Power Factor Correction (PFC) through correction of incoming current at the first power input and the second power input when load reactivity exceeds the converter apparatus capability;

the software modules in the DSP device adapted to calculate optimal modes for the input power controller to decrease transient shock to the load and prevent resonant conditions in a power supply circuit.

2. The apparatus of claim 1, further comprising a plurality of battery modules electrically connected to the DSP through the data bus and electrically connected to the capacitor.

3. The apparatus of claim 1, the PFC performed without introducing further distortion.

4. The apparatus of claim 1, where the PFC includes total harmonic distortion correction.

5. The apparatus of claim 3, where the converter, physically connected to an electrical grid and a load in parallel, measures the Power Factor and completely corrects the Power Factor of a load connected to a value approaching or equal to 1.

6. The apparatus of claim 1, where Power Factor Correction can be applied to a load connected to an apparatus utilizing existing passive or active PFC.

7. The apparatus of claim 1, where the converter is connected in parallel with the generator and in parallel with a load operates as a dipole with an energy source supplying incoming power to the apparatus.

8. The apparatus of claim 1, where the adaptive and predictive software modules analyze the power circuit condition to apply PFC to prevent resonant conditions and eliminate system instability.

9. A multi-function power conditioning correction and converter apparatus, comprising:

a Digital Signal Processing (DSP) device comprising one or more processors and further comprising a data bus and network communication connection;

a plurality of switches;

measuring circuits to measure voltage and current for a first power input and a second power input, the measurements transmitted to the DSP device via the data communication bus;

an input power controller electrically connected to a first power input and a second power input and a power output;

an inverter device electrically connected to the DSP device and the input power controller through the data bus;

a galvanic separation device electrically connected to the DSP device and the input power controller through the data bus;

an output converter circuit electrically connected to the DSP device through the data bus and electrically connected to the power output;

the converter apparatus connected in parallel with a generator and in parallel with a load and adapted to operate as a dipole with an energy source to correct incoming current at each power input;

a plurality of adaptive and predictive software modules implemented in a DSP device processor, the adaptive and predictive software modules accepting input from the measuring circuits and operative to analyze power circuit conditions;

the software modules in the DSP device adapted to calculate a voltage distortion curve and apply the voltage distortion curve as a feedback signal to load and energy source voltage distortions to maintain an input voltage waveform for the load and to maintain a voltage waveform for the energy source supplying power to the apparatus.

10. The apparatus of claim 9, further comprising a plurality of battery modules electrically connected to the DSP through the data bus and electrically connected to the capacitor.

11. The apparatus of claim 9, PFC is performed without introducing further distortion to an incoming voltage waveform.

12. The apparatus of claim 11, where the applied voltage curve maintenance includes total or partial voltage waveform distortion correction close to an ideal voltage sine waveform.

13. The apparatus of claim 9, where the converter measures the total harmonic distortion and completely compensates for the total harmonic distortion for any load and partially for a power source.

14. The apparatus of claim 9, where the adaptive and predictive software modules analyze the power circuit condition to apply harmonic correction to prevent resonant conditions and eliminate system instability.

15. A multi-function power correction and converter apparatus, comprising:

a Digital Signal Processing (DSP) device comprising one or more processors and further comprising a data bus and network communication connection;

a plurality of switches operative to select a mode of operation;

measuring circuits to measure voltage and current for a first power input and a second power input, the measurements transmitted to the DSP device via the data bus;

an input power controller electrically connected to the first power input, the second power input, and a power output;

an inverter device electrically connected to the DSP device and the input power controller through the data bus;

a galvanic separation device electrically connected to the DSP device and the input power controller through the data bus;

an output converter circuit electrically connected to the DSP device through the data bus and electrically connected to the power output;

a plurality of adaptive and predictive software modules implemented in a DSP device processor, the adaptive and predictive software modules accepting input from the measuring circuits and operative to analyze power circuit conditions;

the software modules in the DSP device adapted to calculate and provide partial Power Factor Correction (PFC) through correction of incoming current at the first power input and the second power input when load reactivity exceeds the converter apparatus capability; and

the software modules in the DSP device adapted to calculate a voltage distortion curve and apply the voltage distortion curve as a feedback signal to load and energy source voltage distortions to maintain an input voltage waveform for the load and to maintain a voltage waveform for an energy source supplying power to the apparatus, and to correct distortions in the voltage waveform from said energy source.