초록 ▼

A system for lightning detection is provided. The lightning detection system includes a conductor configured to receive a lightning strike and transmit a lightning induced current. The system also includes a fiber optic current sensor configured to detect multiple lightning parameters from the light

A system for lightning detection is provided. The lightning detection system includes a conductor configured to receive a lightning strike and transmit a lightning induced current. The system also includes a fiber optic current sensor configured to detect multiple lightning parameters from the lightning induced current and to modulate a beam of radiation in response thereto. The system further includes an electro-optic module configured to receive and convert the beam of radiation from the fiber optic current sensor to an electrical signal.

대표청구항 ▼

The invention claimed is: 1. A lightning detection system comprising: a conductor configured to receive a lightning strike and transmit a lightning induced current; a fiber optic current sensor configured to detect a plurality of lightning parameters from said lightning induced current and to modul

The invention claimed is: 1. A lightning detection system comprising: a conductor configured to receive a lightning strike and transmit a lightning induced current; a fiber optic current sensor configured to detect a plurality of lightning parameters from said lightning induced current and to modulate a beam of radiation from a light source in response thereto; and an electro-optic module comprising the light source, the electro-optic module configured to receive and convert said beam of radiation from the fiber optic current sensor to an electrical signal. 2. The lightning detection system of claim 1, wherein said plurality of lightning parameters comprise at least one of current and induced magnetic field. 3. The lightning detection system of claim 1, wherein said fiber optic current sensor is configured to measure magnetic fields up to about 150 mT. 4. The lightning detection system of claim 1, wherein said fiber optic sensor comprises a fiber optic crystal. 5. The lightning detection system of claim 1, wherein said fiber optic sensor comprises a fiber optic coil. 6. The lightning detection system of claim 1, wherein said electro-optic module comprises one or more optical to electrical signal converters. 7. The lightning detection system of claim 1, further comprising a data processing unit configured to output a signal representative of a lightning parameter. 8. The lightning detection system of claim 7, wherein said data processing unit is configured to have a sampling rate of at least about 2 MHz. 9. The lightning detection system of claim 1, further comprising a plurality of fiber optic sensors configured to measure localization of impact of lightning. 10. The lightning detection system of claim 1, wherein said lightning detection system is configured to measure lightning parameters on a wind turbine blade system. 11. A method of lighting detection comprising: receiving lightning through a conductor guiding lightning current from a surface of an object; detecting the lightning via modulation of a beam of radiation received from a light source and incident upon a fiber optic current sensor; converting the beam of radiation modulated and received from the fiber optic current sensor to an electrical signal via an electro-optic module; and measuring a plurality of lightning parameters via a data processing unit. 12. The method of claim 11, wherein the detecting comprises measuring faraday rotation of a plane of polarization of an incident light from the light source. 13. The method of claim 11, wherein the measuring comprises measuring a lightning induced magnetic field. 14. The method of claim 11, wherein the measuring comprises measuring lightning induced current. 15. The method of claim 11, wherein the measuring comprises measuring localization of impact of lightning via a plurality of fiber optic current sensors. 16. The method of claim 11, wherein the measuring comprises sampling data at a rate of at least about 2 MHz.