Abstract: A method comprises receiving one or more images of a person from one or more image capture devices in response to an input, identifying one or more items of personal protective equipment in the one or more images, determining the positioning of the one or more items of personal protective equipment relative to the person in the one or more images, and verifying compliance with personal protective equipment standards based on the one or more identified items of personal protective equipment and the positioning of the one or more items of personal protective equipment.

Abstract: A method and system (10) are provided for monitoring a restricted area (12) below a temporarily elevated worker (14) working on an elevated power transmission line (16). The method and system (10) utilize a video camera system (30) that is temporarily elevated to a location (32) adjacent the worker (14) and that is configured to detect the presence of personnel (34) who enter the restricted area (12). The system (30) is configured to automatically alert personnel (34) at the worksite (17) who enter the restricted area (12) in response to detection of the personnel (34) by the system (30).

Abstract: A method and system (10) are provided for monitoring a restricted area (12) below a temporarily elevated worker (14) working on an elevated power transmission line (16). The method and system (10) utilize a Doppler radar module (40) that is temporarily elevated to a location (32) adjacent the worker (14) and that is configured to detect the presence of personnel (34) who enter the restricted area (12). The system (10) is configured to automatically alert personnel (34) at the worksite (17) who enter the restricted area (12) in response to detection of the personnel (34) by the Doppler radar module (40).

Abstract: A system for measuring phase attributes of high voltage electrical lines comprises a single high voltage probe. The probe comprises a sensing element for selectively measuring voltage of a high voltage electrical line. A processing circuit detects zero crossings of the measured voltage, applies a time tag to the zero crossings, and stores samples of the amplitude and time tagged zero crossings. A memory stores samples of the amplitude and time tagged zero crossings for a plurality of high voltage electrical lines. A processor is operatively associated with the memory for determining phase relationships between the plurality of high voltage electrical lines.

Abstract: A method and system (10) are provided for monitoring a restricted area (12) below a temporarily elevated worker (14) working on an elevated power transmission line (16). The method and system (10) utilize a wireless sensor system (30) that is temporarily elevated to a location (32) adjacent the worker (14) and that is configured to detect the presence of personnel (34) who enter the restricted area (12). The system (30) is configured to automatically alert personnel (34) at the worksite (17) who enter the restricted area (12) in response to detection of the personnel (34) by the wireless sensor system (30).

Abstract: A high voltage detection device comprises a probe comprising an electrode for sensing a high voltage electrical line. The electrode is connected in series with a resistor. A meter comprises a housing enclosing a control for measuring parameters of line voltage. The control comprises an input module for connection to the probe to develop a voltage signal. A signal processing module receives the voltage signal and determines parameters of line voltage and drives an audio module. The audio module provides an audio output representing the determined parameters of line voltage.

Abstract: A method and system (10) are provided for monitoring a restricted area (12) below a temporarily elevated worker (14) working on an elevated power transmission line (16). The method and system (10) utilize a video camera system (30) that is temporarily elevated to a location (32) adjacent the worker (14) and that is configured to detect the presence of personnel (34) who enter the restricted area (12). The system (30) is configured to automatically alert personnel (34) at the worksite (17) who enter the restricted area (12) in response to detection of the personnel (34) by the system (30).

Abstract: A method comprises receiving one or more images of a person from one or more image capture devices in response to an input, identifying one or more items of personal protective equipment in the one or more images, determining the positioning of the one or more items of personal protective equipment relative to the person in the one or more images, and verifying compliance with personal protective equipment standards based on the one or more identified items of personal protective equipment and the positioning of the one or more items of personal protective equipment.

Abstract: A high voltage detection device comprises a probe comprising an electrode for sensing a high voltage electrical line. The electrode is connected in series with a resistor. A meter comprises a housing enclosing a control for measuring parameters of line voltage. The control comprises an input module for connection to the probe to develop a voltage signal. A signal processing module receives the voltage signal and determines parameters of line voltage and drives an audio module. The audio module provides an audio output representing the determined parameters of line voltage.

Abstract: A method and system (10) are provided for monitoring a restricted area (12) below a temporarily elevated worker (14) working on an elevated power transmission line (16). The method and system (10) utilize a wireless sensor system (30) that is temporarily elevated to a location (32) adjacent the worker (14) and that is configured to detect the presence of personnel (34) who enter the restricted area (12). The system (30) is configured to automatically alert personnel (34) at the worksite (17) who enter the restricted area (12) in response to detection of the personnel (34) by the wireless sensor system (30).

Abstract: A system for measuring phase attributes of high voltage electrical lines comprises first and second high voltage probes. Each of the probes comprises a sensing element for selectively measuring voltage of a high voltage electrical line, a processing device for detecting zero crossings of the measured voltage and applying a time tag to the zero crossings, and storing samples of the amplitude and time tagged zero crossings. A transceiver transmits storage samples. A user interface device is remote from the first and second high voltage probes and comprises a transceiver for receiving transmitted storage samples. A memory stores received samples of the time tagged zero crossings for the first and second high voltage electrical lines. A processor is operatively associated with the memory for determining phase relationships between the first and second high voltage electrical lines. A display displays the phase relationships.

Abstract: A system is disclosed for monitoring electrical power distribution lines comprising a plurality of mesh networks. Each mesh network monitors electrical power distribution lines at a select location of the power grid. Each mesh network comprises a plurality of wireless sensors adapted for wireless communications therebetween. Each wireless sensor measures attributes of line voltage for an associated electrical power distribution line at the select location. A master sensor collects data from the other sensors in the mesh network and determining voltage in phase attribute data of the electrical power distribution lines at the select location. The master sensor comprises a gateway device for communication outside of the mesh network. A monitor device for communication with master sensors receives voltage and phase attribute data from the master sensors for monitoring operation of the electrical power distribution line power grid.

Abstract: A system for measuring phase attributes of high voltage electrical lines comprises a single high voltage probe. The probe comprises a sensing element for selectively measuring voltage of a high voltage electrical line. A processing circuit detects zero crossings of the measured voltage, applies a time tag to the zero crossings, and stores samples of the amplitude and time tagged zero crossings. A memory stores samples of the amplitude and time tagged zero crossings for a plurality of high voltage electrical lines. A processor is operatively associated with the memory for determining phase relationships between the plurality of high voltage electrical lines.