Title:
REMOTELY POWERED LINE MONITOR
Document Type and Number:
WIPO Patent Application WO/2018/093528
Kind Code:
A3
Abstract:
Improved devices, apparatuses, systems, and methods involving the use of field probes with voltage-controlled variable impedance elements and surface-launched acoustic wave devices, including surface acoustic wave (SAW) devices and SAW sensor-tag wireless interface devices to measure voltage and current in current carrying conductors (CCCs) via measurement of the electric fields and magnetic fields around said CCCs are disclosed. The devices, apparatuses, systems, and methods taught in the present invention include a remotely powered line-mounted measurement unit that requires no connection to electrical ground for operation, and that has no internal energy source, no energy harvesting or power conditioning circuitry, no discrete energy storage components, and no radio. The devices, apparatuses, systems, and methods taught in the present invention also provide for determining the phase (leading or lagging) of the current relative to the voltage in AC power systems, and also provide for measurement of temperature of the conductor.
Inventors:
HINES JACQUELINE (US)
HINES ANDREW (US)
YANEY DAVID (US)
KIRKPATRICK DOUG (US)
HINES ANDREW (US)
YANEY DAVID (US)
KIRKPATRICK DOUG (US)
Application Number:
PCT/US2017/057447
Publication Date:
June 06, 2019
Filing Date:
October 19, 2017
Export Citation:
Assignee:
SENSANNA INCORPORATED (US)
International Classes:
G01R29/08
Foreign References:
| US20020130587A1 | 2002-09-19 | |||
| US20090121847A1 | 2009-05-14 | |||
| US20150028962A1 | 2015-01-29 | |||
| US20070075908A1 | 2007-04-05 | |||
| US4326417A | 1982-04-27 | |||
| US20130181573A1 | 2013-07-18 |
Attorney, Agent or Firm:
COSTELLIA, Jeffrey L. (US)
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