ELECTRIC POWER TRANSMISSION SYSTEM
First Claim
1. An electric power transmission system, comprising:
- a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input;
a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields;
a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and
a load to which an output of the rectifying unit is input, whereinat times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin≦
R≦
Rmax, the following relationships are established;
1 Assignment
0 Petitions
Accused Products
Abstract
An electric power transmission system may include: a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein, when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin≦R≦Rmax, the following relationships are established:
9 Citations
6 Claims
-
1. An electric power transmission system, comprising:
-
a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if load resistance value R is used in a range that satisfies Rmin≦
R≦
Rmax, the following relationships are established; - View Dependent Claims (2, 5, 6)
-
-
3. An electric power transmission system, comprising:
-
a power transmission antenna that constitutes a series resonator with an inductance component of L1 and a capacitance component of C1, and to which AC power is input; a power receiving antenna that constitutes a series resonator with an inductance component of L2 and a capacitance component of C2, and which receives electromagnetic energy from the power transmission antenna via electromagnetic fields; a rectifying unit that rectifies an output of the power receiving antenna to output DC power; and a load to which an output of the rectifying unit is input, wherein at times including when a coupling coefficient between the power transmission antenna and the power receiving antenna is k, if there are n modes in which different values of electric power are used to transmit electric power from the power transmission antenna to the power receiving antenna, if a load resistance value during transmission of electric power in a hth mode (h=1, 2, . . . , n) is Rh, and if a maximum resistance value Rh is represented by Rhmax and a minimum resistance value Rh by Rhmin, the following relationships are established; - View Dependent Claims (4)
-
Specification