Non-contact current-sensing and voltage-sensing clamp

GD Carpenter, W El-Essawy, AP Ferreira… - US Patent …, 2015 - Google Patents
A clamping current and Voltage sensor provides an isolated and convenient technique for
measuring current passing through a conductor Such as an AC branch circuit wire, as well …

Flexible current and voltage sensor

W El-Essawy, AP Ferreira, TW Keller… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A flexible current and Voltage sensor provides ease of instal lation of a
current sensor, and optionally a Voltage sensor in application Such as AC branch circuit …

Non-contact current and voltage sensor

GD Carpenter, W El-Essawy, AP Ferreira… - US Patent …, 2014 - Google Patents
A detachable current and voltage sensor provides an isolated and convenient device to
measure current passing through a conductor such as an AC branch circuit wire, as well as …

Magnetic sensor array-based AC current measurement for multiconductor cables using evolutionary computation method

L Meng, P Gao, MM Haji, W Xu - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A novel and accurate AC current measurement method for multiconductor cables is
proposed in this paper by employing magnetic sensor arrays and evolutionary algorithms …

Calibration of non-contact voltage sensors

W El-Essawy, AP Ferreira, TW Keller… - US Patent …, 2013 - Google Patents
Int. Cl. Calibration of a non-contact Voltage sensor provides GOIR 3L/28(2006.01) improved
accuracy for measuring Voltage on a conductor GOIR 27/08(2006.01) Such as an AC …

Apparatus and methods for measuring current

YJ Sharma, NR Carter, T Songatikamas… - US Patent …, 2017 - Google Patents
In an embodiment, a body of apparatus includes an opening, such as a V-shaped jaw, that
deterministically locates a position of a wire in at least one dimension when the wire is …

Calibration of non-contact current sensors

W El-Essawy, AP Ferreira, TW Keller… - US Patent …, 2013 - Google Patents
Calibration of a non-contact current sensor provides improved accuracy for measuring
current conducted through a conductor such as an AC branch circuit wire. In a calibration …

Multi-conductor cable current and voltage sensors

W El-Essawy, AP Ferreira, TW Keller - US Patent 9,000,752, 2015 - Google Patents
4,005,380 A 1/1977 Heilmann et al. 4,266,189 A 5, 1981 Karlin et al. 4,378,525 A 3, 1983
Burdick 4,558,276 A 12/1985 Comeau et al. 5,473,244 A 12/1995 Libove et al. 5,610,512 A …

Current sensor for electric wire

H Fukui - US Patent App. 13/452,773, 2012 - Google Patents
(57) ABSTRACT A current sensor includes an electric wire to be measured, a guide portion
for guiding the electric wire to be measured, a holding portion for holding the electric wire to …

Multi-branch current/voltage sensor array

W El-Essawy, AP Ferreira, TW Keller… - US Patent …, 2016 - Google Patents
A sensor array including multiple current sensors provides input for power measurement
and management systems. The sensor array includes split ferrite cylinder portions …