Wireless power transmission via inductive coupling using di/dt as the magnetic modulation scheme

1. A non-radio frequency carrier based wireless connector set for use in power transmission, comprising:

a. a first connector, comprising:

i. a first transmission path adapted to be used with a power signal;

ii. a first transformer operatively connected to the first transmission path, the first transformer comprising a first inductance;

iii. a first alternating voltage source operatively connected to the first transformer, the first alternating voltage source adapted to operate at a first non-radio frequency power transmission frequency; and

b. a second connector adapted to be disposed in close proximity to the first connector, comprising:

i. a second transmission path adapted to be used with the power signal; and

ii. a second transformer operatively connected to the first transmission path, the second transformer adapted to be inductively and cooperatively coupled to the first transformer, the second transformer comprising a second inductance substantially equal to the first inductance.

2. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 1 , wherein the power signal comprises an alternating current power signal.

3. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 1 , wherein the close proximity comprises a distance of no more than around one-half inch.

4. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 1 , wherein the first transformer and the second transformer are further adapted to be located remotely using a coax cable.

5. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 1 , wherein the second inductance comprises a turns ratio of around 1.7 of the first inductance to deliver the desired voltage on the secondary inductance.

6. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 1 , further comprising:

a. a first capacitor connected in parallel with the first transformer; and

b. a second capacitor connected in parallel with the second transformer.

7. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 6 , wherein the values of the first and second capacitors result in inductor-capacitor (LC) tanks tuned to an operative frequency of the power signal.

8. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 7 , wherein the operative frequency of the power signal comprises a frequency of around 60 Hz.

9. The non-radio frequency carrier based wireless connector set for use in power transmission of claim 6 , wherein the values of the first and second capacitors result in inductor-capacitor (LC) tanks tuned to a harmonic of an operative frequency of the power signal.

10. A system for electrical power transmission, comprising:

a. a source of electrical power adapted to transmit power at a first power transmission frequency;

b. a first connector operatively in communication with the source of electrical power, the first connector comprising:

i. a first low impedance transmission path adapted to be used with an electrical power signal operating at a first frequency;

ii. a first housing;

iii. a first transformer operatively connected to the first transmission path at the low impedance and disposed at least partially within the housing, the first transformer comprising a first inductance;

iv. a first tank circuit operatively connected to the first transformer and disposed at least partially within the first housing, the tank circuit comprising a capacitor connected in parallel with the first transformer;

v. a first alternating voltage source operatively connected to the first transformer and disposed at least partially within the first housing; and

c. a second connector separate from the first connector, the second connector comprising:

i. a second low impedance transmission path adapted to be used with the electrical power signal operating at a frequency substantially the same as the first frequency;

ii. a second housing adapted to cooperatively receive the first connector at a first coupled separation distance in close proximity to the first connector in a predetermined environment;

iii. a second transformer operatively connected to the first transmission path at a low impedance and disposed at least partially within the second housing, the second transformer adapted to be inductively and cooperatively coupled to the first transformer, the second transformer comprising a second inductance; and

iv. a second tank circuit operatively connected to the second transformer and disposed at least partially within the second housing, the tank circuit comprising a capacitor connected in parallel with the second transformer.

11. The system for electrical power transmission of claim 10 , wherein predetermined environment comprises at least one of air, fresh water, seawater, dark water, sand, mud, grit, oil, or vacuum.

12. The system for electrical power transmission of claim 10 , wherein the coupled separation distance is at or less than around one-half inch.

13. An electrical power connector system for use subsea, comprising:

a. a selectively retrievable module, comprising:

i. a first housing adapted for use subsea; and

ii. a first connector disposed at least partially within the first housing, the first connector comprising:

1. a first low impedance transmission path adapted to be used with an electrical power signal operating at a first frequency;

2. a first housing;

3. a first transformer operatively connected to the first transmission path at the low impedance and disposed at least partially within the housing, the first transformer comprising a first inductance;

4. a first tank circuit operatively connected to the first transformer and disposed at least partially within the first housing, the tank circuit comprising a first capacitor connected in parallel with the first transformer;

5. a first alternating voltage source operatively connected to the first transformer and disposed at least partially within the first housing; and

b. a module receiver adapted for use subsea, comprising:

i. a second housing adapted for use subsea and dimensioned to cooperatively receive the first housing; and

ii. a second connector adapted to be in close proximity to the first connector when the first housing is received into the second housing, the second connector comprising:

1. a second low impedance transmission path adapted to be used with the electrical power signal operating at a frequency substantially equal to the first frequency;

2. a second housing adapted to cooperatively receive the first connector at a first coupled separation distance in close proximity to the first connector in a predetermined environment;

3. a second transformer operatively connected to the first transmission path at a low impedance and disposed at least partially within the second housing, the second transformer adapted to be inductively and cooperatively coupled to the first transformer, the second transformer comprising a second inductance; and

4. a second tank circuit operatively connected to the second transformer and disposed at least partially within the second housing, the tank circuit comprising a second capacitor connected in parallel with the second transformer.

14. A method of electrical power transmission, comprising:

a. operatively connecting a first connector to a source of electrical power, the first connector comprising:

i. a first low impedance transmission path adapted to be used with an electrical power signal operating at a first frequency;

ii. a first transformer operatively connected to the first transmission path at the low impedance, the first transformer comprising a first inductance;

iii. a first tank circuit operatively connected to the first transformer and disposed at least partially within the first housing, the tank circuit comprising a capacitor connected in parallel with the first transformer; and

iv. a first alternating voltage source operatively connected to the first transformer;

b. coupling the first connector to a separate second connector at a separation distance in a predetermined environment, the second connector adapted to cooperatively receive the first connector in close proximity to the second connector, the separation distance defining a near field communication distance where a magnetic field present at the first transformer is at a first predetermined strength and an electrostatic field present at the first transformer is at a second predetermined strength, the second connector comprising:

i. a second low impedance transmission path adapted to be used with the electrical power signal operating at a frequency substantially the same as the first frequency;

ii. a second housing adapted to cooperatively receive the first connector at a first coupled separation distance in close proximity to the first connector in a predetermined environment;

iii. a second transformer operatively connected to the first transmission path at a low impedance and disposed at least partially within the second housing, the second transformer adapted to be inductively and cooperatively coupled to the first transformer, the second transformer comprising a second inductance;

iv. a second tank circuit operatively connected to the second transformer and disposed at least partially within the second housing, the tank circuit comprising a capacitor connected in parallel with the second transformer; and

c. sending electrical power from the source of electrical power through the first transformer and second transformer.

15. The method of electrical power transmission of claim 14 , wherein the separation distance comprises a distance of no more than around one-half inch.

16. The method of electrical power transmission of claim 14 , wherein the first predetermined strength comprises a predetermined maximum achievable magnetic field strength.

17. The method of electrical power transmission of claim 14 , wherein the second predetermined strength comprises a predetermined minimum achievable electrostatic field strength.

18. The method of electrical power transmission of claim 14 , wherein the power is passed between the first transformer and the second transformer using Faraday's Law of induction using a magnetic field.

19. The method of electrical power transmission of claim 14 , further comprising choosing the values of the first capacitor and the second capacitor so that the resulting inductor-capacitor (LC) tanks are tuned to the first frequency.

20. The method of electrical power transmission of claim 14 , further comprising choosing the values of the first capacitor and the second capacitor so that the resulting inductor-capacitor (LC) tanks are tuned to a harmonic of the first frequency.