Power conditioning circuit
AssigneeLeveler
InventorsJames E. Redburn, Leonard E. Webster
Life of this patent
Estimating the term…
Abstract
A power conditioning circuit for conditioning power supplied by a power source at a nominal frequency over line, neutral and ground conductors includes first, second and third impedances coupled to the line, neutral and ground conductors, respectively, and to output lines. Each of the impedances prevents power at frequencies greater than the nominal frequency from reaching the output lines.
Claims20
A power conditioning circuit for conditioning power supplied by a power source at a nominal frequency over line, neutral and ground conductors to first second and third output lines, respectively, comprising:
- first, second and third inductors coupled in series between the line, neutral and ground conductors, respectively, and the first, second and third output lines, respectively, wherein all of the power supplied by the power source to the first, second and third output lines flows through the first, second and third inductors, each of the inductors blocking power at frequencies greater than the nominal frequency thereby to prevent power at frequencies greater than the nominal frequency from reaching the first, second and third output lines.
A power conditioning circuit for conditioning power supplied by a power source at a nominal frequency over line, neutral and ground conductors to first, second and third output lines, respectively, wherein the first, second and third output lines are coupled to a load, comprising:
- first, second and third inductors coupled in series between the line, neutral and ground conductors, respectively, and the first, second and third output lines, respectively, wherein all of the power supplied by the power source to the first, second and third output lines flows through the first, second and third inductors;
- at least one capacitor coupled between the conductors wherein one end of the capacitor is coupled to at least one of the conductors at a point between the power source and the inductors;
- wherein the inductors block power at frequencies greater than the nominal frequency thereby preventing power at frequencies greater than the nominal frequency from reaching the load;
- an
- wherein the at least one capacitor shunts power at frequencies greater than the nominal frequency.
A power conditioning circuit for conditioning power supplied by a power source at a nominal frequency over line, neutral and ground conductors to first, second and third output lines, respectively, comprising:
- first, second and third inductors coupled in series between the line, neutral and ground conductors, respectively, and the first, second and third output lines, respectively, wherein all of the power supplied by the power source to the first, second and third output lines flows through the first, second and third inductors;
- a first capacitor coupled between the line and neutral conductors wherein a first end of the first capacitor is coupled to the line conductor at a point between the power source and the first inductor and wherein a second end of the first capacitor is coupled to the neutral conductor at a point between the power source and the second inductor;
- a second capacitor coupled between the neutral and ground conductors wherein a first end of the second capacitor is coupled to the neutral conductor at a point between the power source and the second inductor and wherein a second end of the second capacitor is coupled to the ground conductor at a point between the power source and the third inductor;
- a third capacitor coupled between the line and ground conductors wherein a first end of the third capacitor is coupled to the line conductor at a point between the power source and the first inductor and wherein a second end of the third capacitor is coupled to the ground conductor at point between the power source and the third inductor;
- wherein the inductors block power at frequencies greater than the normal frequency thereby preventing power at frequencies greater than the nominal frequency from reaching the output lines;
- and
- wherein the capacitors shunt power at frequencies greater than the nominal frequency.
Dependencies are inferred from the claim text.