Abstract: A fiber optic harness testing apparatus and method of forming termini for a harness testing apparatus, are provided. The apparatus can include an analyzer to determine an attenuation value between an electrical form transmit test signal and an electrical form return test signal to determine an attenuation across one or more optical fibers of a fiber-optic harness under test, and a plurality of electrical test leads each including a test lead connector adapted to mechanically and optically interface the electrically conductive test leads and the analyzer with the fiber-optic harness under test. Each test lead connector can include a set of test lead connector termini. Each test lead connector terminus can include an optically active element to optically interface with a corresponding fiber-optic harness connector terminus positioned in one or more of the connectors of the fiber-optic harness under test.

Abstract: A plurality of circuit blocks are provided in a semiconductor device which collects and corrects impairment quantities of discretionary areas in a circuit group of various types having random couplings. The semiconductor device is provided with a detector, which is arranged in each circuit block and detects an electric signal of an element in the circuit block; a wiring wherein each detector output passes through; a plurality of switches for feeding the wiring with each detector output; and a buffer connected to the wiring and passes through a direct current voltage.

Abstract: An ECU determines based on a voltage from an insulation resistance decrease detector whether the insulation resistance of a power supply device decreases or not. When a load external to the vehicle is not connected to the power supply device, the ECU sets a determination threshold value for determining that the insulation resistance decreases to a normal first value. On the other hand, when the load external to the vehicle is electrically connected to the power supply device, the ECU sets the determination threshold value to a second value which is lower than the first value, in consideration of an increase in the capacitive component due to a capacitor of a Y-capacitor.

Abstract: Systems and methods for detecting ground fault at the common DC bus in a high impedance ground system. A fault detection component can detect characteristics of an electrical signal including phase number (n) and fundamental frequency (H). A fast Fourier transform is performed at (n×H) and (2n×H), and the two values are compared. A healthy system (no ground fault) can display a large difference between (n×H) and (2n×H), while in an unhealthy system the difference can be minimal. A system and method of detecting variable phase number and fundamental frequency can be used in the calculation to perform the ground fault detection when these characteristics are variable.

Abstract: An improved method to detect and locate electrical faults is provided. A method of operating a circuit breaker in an electrical circuit configured with at least one of a first main circuit breaker at a first layer of circuit protection having a first direction of current flow, and at least one second circuit breaker downstream of said at least one first main circuit breaker having a second direction of current flow, and at least one third circuit breaker downstream of said at least one second circuit breaker having a third direction of current flow, wherein one of said at least one first, second, or third circuit breakers is in short time pick-up, is provided, and comprises steps to determine the location of the fault and adjust the trip time delay of the circuit breakers according to predetermined criteria.

Abstract: A system and method for using a physical layer device to locate a thermal signature in a cable plant for diagnostic, enhanced, and higher power applications. Cable heating in specific sections of a network cable is detected through an automatic identification of a thermal signature in electrical measurements of a network cable. The correlation of the thermal signature to a specific section of the network cable enables network personnel to locate hot spots in the network cable with ease.

Abstract: An apparatus for monitoring and measuring the electrical, thermal and mechanical operating parameters of high voltage power conductors. A toroidal shaped housing, which can be mounted onto an energized conductor, contains all of the necessary electrical instruments to monitor the parameters associated with the conductor. Moreover, the housing includes the processing capability to analyze disturbance and fault events based on these parameters.

Abstract: A method for detecting a ground fault in an electrical supply system includes using a combination of components and their connections within the supply system to form virtual components, allowing presetting of fault indicators for incoming and outgoing supply lines to individual components. A fault index can be determined for each virtual component in conjunction with a respective association of a correlation coefficient with fault indicators and a subsequent normalization over all fault indicators using a correlation coefficient. Comparison of the indices of all virtual components of the supply system permits a determination of that virtual component in which the highest fault index occurs, and therefore in which there is the highest probability of a fault. The fault search in a supply system can therefore be determined quickly and easily independently of power supply system geometry and configuration. An apparatus performing the method and computer program product, are also provided.

Abstract: A defect analysis place specifying device for specifying defect analysis places from an inspection result of produced printed wiring boards in an electronic part mounting device for mounting parts on the printed wiring boards through plural steps, including an accepting unit for accepting plural printed wiring boards as inspection targets every predetermined unit, a defect mode specifying unit for specifying a defect mode having a predetermined frequency or more on the basis of the defect modes of the printed wiring boards and the occurrence frequencies thereof in the last step of the plural steps every unit accepted by the accepting unit, an extracting unit for extracting a combination having the same abnormal phenomenon causing the defect mode specified by the defect mode specifying unit in the other steps than the last step in the plural steps, and an output unit for outputting the combination extracted by the extracting unit.

Abstract: A first voltage, which is dropped out onto a pull-down resistor that is coupled to a first power circuit breaker, is compared to an adjustable first reference voltage in order to determine a first comparative value. A second voltage, which is dropped out onto the pull-up resistor that is coupled to the second power circuit breaker, is compared to an adjustable second reference voltage in order to determine a second comparative value. Determination then occurs according to the first comparative value and second comparative value as to whether the first output pin of the first power circuit breaker and the second output switch of the second power circuit breaker are contacted to each other. The first output pin and second output pin are connected to one another by way of a node outside the power circuit breaker.

Abstract: A defect repair apparatus includes a defect detection unit, a database, a defect repair unit, and a control unit. The defect detection unit inspects a multilayer substrate on which a repetitive pattern is formed and extracts positional information on a defect in the repetitive pattern and feature information on the defect. In the database, a plurality of defect repair techniques are registered. The defect repair unit repairs the defect of the multilayer substrate by a defect repair technique specified. The control unit reads a defect repair technique for the defect detected by the defect detection unit and controls the defect repair unit that repairs the defect by using the defect repair technique.

Abstract: A method and system to detect and evaluate improper grounding/grounded bonds in an electrical power system is disclosed. An example method is detecting improper grounding in an electrical power system having a plurality of monitoring devices coupled to a grounded conductor and a grounding conductor. Data of the voltage between the grounded conductor and the grounding conductor is received from the plurality of monitoring devices. The spatial orientation of the data from the plurality of monitoring devices is determined within a hierarchy of the electrical power system. The voltage data received from the plurality of monitoring devices is compared to determine a bond (or lack of a bond) between the grounded conductor and the grounding conductor.

Abstract: In an embodiment, an integrated circuit or chip is supplied to its intended application and a measurement quantity representing the state of one or a plurality of electrical connections in the chip is determined within the application environment of the chip and, if the measurement quantity determined does not correspond to predefined criteria, a corresponding signal is output.

Abstract: The present invention discloses an array substrate and a defect detecting method thereof. The array substrate comprises one or more shorting bars for applying signals to a plurality of data lines or a plurality of gate lines of the array substrate while testing. The array substrate further comprises a line detecting circuit for receiving signals on the plurality of data lines or the plurality of gate lines, and detecting and locating the line defects of the plurality of data lines or the plurality of gate lines. The array substrate and the defect detecting method thereof provided by the invention can locate the line defects of the array substrate accurately and quickly.

Abstract: A cable fault detection component (168) receives input data indicative of a fault in an electrical power system. The component (168) analyzes the input data to determine if the fault is indicative of a self-clearing cable fault and generates corresponding output data (276). In one implementation, the cable fault detection component (168) is implemented as a software module which operates on a computer (105) of a substation intelligence system (104).

Abstract: A method for detecting a crack in a semiconductor wafer, which includes an electrical device and a connecting pad electrically coupled with the electrical device, is described. The crack is detected by an acoustic detector being acoustically coupled to the semiconductor wafer during contacting the contacting pad with a probe.

Abstract: A leak in a membrane on top of a horizontal roof deck is located by applying conductive wires on the membrane underneath the aggregate in a grid pattern. A measuring and switching circuit generates voltage having a positive attached to the roof deck and a negative attached to the wires. The circuit has a relay for each wire which can be switched between a current sensor system and the negative potential. The sensor system is arranged to sense at each of the wires in turn the current flowing from the roof deck through any leak in the membrane to the wire. A microprocessor operates the relays in turn to connect all the other wires to the negative as a shield while each wire is sensed. From the output of the grid the changes in current in the x and y directions are analyzed to locate the leak in the membrane.

Abstract: Method and arrangement for deciding the direction to a flickering source in relation to a measurement point in an electrical network with alternating current with a network frequency with low-frequency amplitude variations from the flickering source. The method includes the steps: recording an amplitude-modulated current signal having signals that originate from the network frequency and the low-frequency amplitude variations in the current signal; recording an amplitude-modulated voltage signal having signals that originate from the network frequency and the low-frequency amplitude variations in the voltage signal; creating a flicker power with a sign value by multiplication of the low-frequency amplitude variations in the current signal and the low-frequency amplitude variations in the voltage signal, and analyzing the sign value, with the sign value indicating in which direction the flickering source is to be found in relation to the measurement point.

Abstract: An electrical installation arrangement includes an electrical power distribution network and/or at least one first electrical device. In order to reduce complexity of electrical installation arrangement and increase safety of people and facilities, a detector is provided for determining a fault source using blind source separation, e.g. for locating at least one first electrical fault source, in particular at least one first fault current source and/or a first overload area. The detector is hereby disposed on and/or in the electrical power distribution network and/or the at least one first electrical device.

Abstract: A method and device for testing an electric circuit, wherein exhaustive electric circuit modulation is not required yet circuit errors can be recognized in a reliable manner is provided. A marking signal is produced, indicating a predefined circuit state that might occur in specific components of an electric circuit, wherein a transformed network list is formed from an original network list describing the circuit, whereby all electric components of at least one predefined component group, with regard to a respective connection pair, are treated as short-circuited, all network nodes connected by one or several components that are to be treated as short-circuited are respectively combined to form an equivalence category, wherein respectively all states of the associated network nodes are assigned to each equivalence category, it is possible to determine whether and in which components the predefined circuit state can occur by taking into account the equivalence categories.

Abstract: An assembly on a cableway or a goods-conveying system for detecting incorrect positioning of a carrying cable on a mount with a channel in which the carrying cable is located. The assembly includes a device for detecting the faulty positioning of the carrying cable. A segment of the mount is movable, and the device for detecting the incorrect positioning of the carrying cable detects movement of the portion of the mount. It is thus possible for incorrect positioning of the carrying cable, which results in this segment being displaced, to be detected in good time, even before the carrying cable in this portion has been completely derailed.

Abstract: The systems and methods described herein provide for the early detection of wire/cable faults. For example, a system may detect electrical/electronic faults with power lines, data lines, communication lines, coaxial cables, and the like (generally referred to herein as “lines”, “wires”, and “cables”) by providing sacrificial materials including a conductive material external to the lines. A processor may be coupled to the conductive material to transmit a control signal along the conductive material of the line to determine whether the line is degrading. That is, when the sacrificial material wears away and exposes the conductive sacrificial material in the line, that conductive material may begin to experience faults. The faults in the external conductive material may serve as precursors to the overall degradation of the line. Thus, the line may be repaired or replaced prior to the degradation of the line itself.

Abstract: A particulate (soot) sensor system has a diagnostic feature for verifying the integrity of the wiring leads. The sensor system includes a sensor and processing circuitry. The sensor has a substrate, first and second sensing electrodes on the substrate and a heater electrode. The heater electrode is electrically isolated from the first and second sensing electrodes, although there is a parasitic capacitance between them. The processing circuitry includes a heater driver, a measurement circuit connected to the sensing electrodes by wire leads, and a detector. The heater driver, in addition to energizing the heater, produces a stimulus signal that is applied to the heating electrode, which is then coupled via the parasitic capacitance to the sensing electrodes. The detector is coupled to the wiring leads and is configured to detect the stimulus signal when there is electrical conductivity over the leads to the sensing electrodes.

Abstract: A noise injection apparatus for injecting noise to a printed circuit board is disclosed that includes a signal generator that generates noise, a coaxial cable having one end connected to an output of the signal generator, and a probe that is connected to another end of the coaxial cable and is configured to convey the noise generated by the signal generator to a power supply and a ground pin of a device element of the printed circuit board via the coaxial cable.

Abstract: A Localizer cable fault analyzer that memorizes which antenna in a Localizer antenna array caused a fault. The Localizer equipment monitors the antenna transmit and monitor cables for continuity using a DC voltage. The present invention senses the voltage drop on the antenna circuit when a fault occurs and causes an indicator device to signal the presence of the fault in that particular antenna circuit. The indicator device continues to signal the presence of a fault until a reset switch is activated.

Abstract: In order to make it possible to detect a fault location, safely, reliably and with a high response sensitivity, in a braided wire which has a plurality of individual wires, an electric current is passed through the braided wire and the magnetic field which is formed as a result of the braided wire through which current flows is detected by a sensor and is evaluated. A fault location is deduced if the measured magnetic field has an oscillation whose length is a multiple of a lay length of the braided wire, and in particular corresponds to the lay length. The method is also used in particular for non-destructive testing of the quality of a contact connection of a contact element to the braided wire.

Abstract: A novel a method for determining the internal operation of an integrated circuit (IC) includes measuring electromagnetic (EM) emissions from the integrated circuit chip and analyzing the EM emissions. In a particular method, the EM emissions from the IC are measured using an RF close end probe. In a particular method, the electromagnetic emissions are measured with the IC configured in various ways. In the normal operating mode, the emissions are measured while the IC is provided with power and any external clock signal(s). After measuring the emissions of the IC in normal operating mode, the IC is reconfigured by disabling the external clock signal(s) to the IC and remeasuring the emissions. The external clock signal is disabled by disconnecting the power to the IC, disabling the external clock signal, and then reconnecting power to the IC. In yet a third test mode, the external clock signal is reenabled while power continues to be supplied to the IC.

Abstract: A device for detecting the faulty position of and separating fasteners, more particularly blind rivets in a continuously operating conveyor apparatus, by means of which the fasteners are supplied to an automated joining machine, wherein each fastener is followed in the normal case by a spacer. According to the disclosed embodiments the device has at least three detectors, more particularly contactless inductively acting ring initiators with which on the one hand fasteners can be differentiated from spacers and on the other hand fasteners in the correct position can be differentiated from fasteners in the faulty position in the conveyor apparatus, more particularly in a supply tube. As a result of the at least three ring detectors a minimum-wear low-maintenance operation is ensured so that outage times of the rivet setter and automated riveting machine are reduced as a result of the device connected in on the input side. Furthermore a complex breakdown recognition is possible with corresponding evaluation.

Abstract: An apparatus includes at least one Rogowski coil and a processor. The at least one Rogowski coil is positioned within an electrical power distribution network to detect a first traveling wave current caused by a fault on an electrical power transmission line of the network, generate a first signal indicative of detection of the first traveling wave, detect a second traveling wave current caused by the fault on the transmission line, and generate a second signal indicative of detection of the second traveling wave. The processor is adapted to receive the first signal and the second signal and to determine, based on the first signal and the second signal, where on the transmission line the fault occurred.

Abstract: In one embodiment, a plurality of signals are sequentially driven onto a signal path. Each of the signals has a pulsewidth defined by a trigger edge and a sensor edge, and at least some of the signals having different pulsewidths. After driving each signal, the signal is sampled at or about a timing of the signal's sensor edge to thereby characterize the signal's sensor edge. The sensor edge characterizations corresponding to the different signals are then analyzed to quantify a timing error induced by an impedance variation of the signal path.

Abstract: Methods, systems and program products are disclosed for determining whether a measurement system under test (MSUT) matches a fleet including at least one other measurement system. The invention implements realistic parameters for analyzing a matching problem including single tool precision, tool-to-tool non-linearities and tool-to-tool offsets. A bottom-line tool matching precision metric that combines these parameters into a single value is then implemented. The invention also includes methods for determining a root cause issue of a matching problem, and for determining a fleet measurement precision metric. Method, system and program product are also disclosed for attempting to determine a root cause of a subject problem related to at least one of a measurement system under test (MSUT) and a fleet of at least one other measurement system.

Abstract: Methods and apparatuses for supplying power to processors in multiple processor systems are disclosed. Embodiments comprise a method of monitoring a parameter that is related to a first voltage potential coupled to the processor. When the parameter or condition monitored indicates that the first voltage is bad or faulty, the method generally involves isolating the voltage from the processor, disabling or resetting the processor, and coupling a second voltage potential to the processor. The method may also allow the computer system to continue operating with the processor disabled. Other embodiments comprise an error detection circuit for detecting an error related to a first voltage regulator, a disabling circuit to disable the first voltage regulator in response to the error, a processor isolating circuit, and a voltage switching circuit to supply voltage from a second voltage regulator to the processor.

Abstract: A field device for monitoring an operating state of an electrical engineering installation, in particular a transformer substation or a switching substation, having an evaluation device, which evaluates input signals, which are present on the input side and relate to the electrical engineering installation, on the basis of predetermined criteria and, on the output side, generates an output signal, which characterizes the respective evaluation result. An identification can be input to the evaluation device which specifies the hierarchical level to which the evaluation device is assigned. The evaluation device is designed such that, after a connection to a data transmission network, it automatically produces a data link with all other evaluation devices connected thereto or with all other evaluation devices connected thereto of a predetermined type which belong to a directly lower-order or a directly higher-order hierarchical level.

Abstract: A method evaluating threshold of a data cell in a memory device including a programming locus coupled with the data cell for receiving a programming signal setting a stored signal level in the data cell and responding to a read signal to indicate the stored signal at a read locus; includes the steps of: (a) in no particular order; (1) selecting a test threshold signal; and (2) setting a read signal at a non-read level; (b) applying the test threshold signal to the programming locus; (c) cycling the read signal between a read level and a non-read level while applying the test threshold signal to the programming locus to present at least two test signals at the read locus when the read signal is at the read level; and (d) while cycling, observing whether the at least two test signals manifest a difference greater than a predetermined amount.

Abstract: A method and system for determining a location of a phase-to-earth fault in a three-phase electric line of an electric network, the system being configured to monitor current and voltage quantities of the three-phase electric line at a measuring point and calculate a distance (d) between the measuring point and a point of fault (F) using an equation relating the current and voltage quantities to the distance, wherein the system is further configured to calculate load-compensated zero and negative sequence currents, calculate a load-compensated phase voltage of the faulted phase by using the compensated zero sequence current; and use the compensated negative sequence current and the compensated phase voltage for calculating the distance (d) between the measuring point and a point of fault (F).

Abstract: Method, apparatus and computer-readable code are provided for detecting a location of an incipient ground fault in an electrical propulsion system. The apparatus may include a sensor configured to sense a respective ground leakage signal associated with a ground of the propulsion system. The apparatus may further include a compensator coupled to the sensor to combine the ground leakage signal and a compensation signal to generate a compensated ground leakage signal. A correlator is coupled to the compensator to receive the compensated ground leakage signal, and is further coupled to receive at least one signal indicative of a respective energization state of a respective electrical phase for each respective one of the plurality of electrical devices.

Abstract: Method, apparatus and computer-readable code are provided for detecting a location of an incipient ground fault in an electrical propulsion system. The apparatus may include a sensor configured to sense a respective ground leakage signal associated with a ground of the propulsion system. The apparatus may further include a second sensor configured to sense a voltage difference across a positive rail and a negative rail of the direct current bus. A correlator is coupled to the first sensor to receive the ground leakage signal, and further coupled to receive at least one signal indicative of a respective energization state of a respective electrical phase for each respective one of the plurality of electrical devices. The correlator is configured to individually correlate the ground leakage signal with each received phase energization state signal, and supply an individual correlation signal between the received ground leakage signal and each received phase energization state signal.

Abstract: Method, apparatus and computer-readable code for detecting an incipient ground fault. The apparatus includes a sensor for sensing a ground leakage signal. The apparatus further includes a correlator that receives the ground leakage signal, and at least one signal indicative of a respective energization state of a respective electrical phase for each of a plurality of electrical devices. The signal indicative of the respective energization state is modified during a time interval when a predetermined rate of change of voltage is expected. This rate of change is sufficient to cause an effect in the ground leakage signal. The correlator is configured to correlate the ground leakage signal with each received phase energization state signal, and supply a correlation signal. A processor is coupled for processing each of the individual correlation signals and extracting a correlation value from the supplied correlation signals that may be indicative of an incipient ground fault.

Abstract: A stage-fused underground transformer loop system, which includes a series of transformers connected sequentially by a series of cables, and a series of fused elbow terminators connected to the inlets and outlets of the transformers. The fused elbow terminators are arranged in an order of decreasing the fuse capacity starting from the feed. The fused elbow terminator includes an elbow connector having a housing and a cable connector disposed within; and a fused pin connected to the cable connector. Further disclosed is a method of rapid diagnosis of a fault cable or a transformer failure using the stage-fused transformer loop system.

Abstract: A boundary scan test system including a transmitter and a receiver. The system performs DC and AC boundary scan testing of the interconnections between devices. The system addresses fault masking that can occur during testing. Of concern are AC coupled interconnections while providing IEEE 1149.1 DC test compatibility. The test receiver includes an input test buffer and an interface mechanism. The input test buffer has a built-in null detection capability. The interface mechanism includes a technology mapper, one or more detectors, and an integrator. The receiver provides at least partial, if not complete, coverage for at least one of five fault syndromes that can result from single defect conditions in the system.

Abstract: A loopback connector for a system can include a connector arrangement connectable to connector of a system component and/or a cable. The loopback connector can include loopback logic for simulating cable and/or system component functionality. In an example implementation the loopback connector can also operate to protect a system component and/or cable connector during shipping.

Abstract: Methods, systems and program products are disclosed for determining whether a measurement system under test (MSUT) matches a fleet including at least one other measurement system. The invention implements realistic parameters for analyzing a matching problem including single tool precision, tool-to-tool non-linearities and tool-to-tool offsets. A bottom-line tool matching precision metric that combines these parameters into a single value is then implemented. The invention also includes methods for determining a root cause of a matching problem, and for determining a fleet measurement precision metric.

Abstract: An apparatus for monitoring and measuring the electrical, thermal and mechanical operating parameters of high voltage power conductors. A toroidal shaped housing, which can be mounted onto an energized conductor, contains all of the necessary electrical instruments to monitor the parameters associated with the conductor. Moreover, the housing includes the processing capability to analyze disturbance and fault events based on these parameters.

Abstract: A tag testing device uses an infrared camera to take an image of a plurality of radio frequency identification tags, compares the image with a stored standard tag pattern image storage, and detects defective tags based on the comparison. A radio wave transceiver bulk reads the tags using anti-collision, a tag response counter counts a number of tag responses, and a defective tag detector compares a number of heat emitting tags based upon the image processing with a number of tag responses counted by the tag response counter. If the number of heat emitting tags does not match a number of responsive tags, a number of the tags tested are changed by partially shielding the tags and the radio wave transceiver repeatedly bulk reads the tags using the anti-collision function while a shielding range is gradually changed, thereby narrowing down other possible defective but heat emitting tags.

Abstract: The present invention relates to a method of monitoring line faults in a medium voltage network (1) of the type comprising an electricity generating plant (3) supplying electricity to a plurality of customers over a network of medium voltage power lines (5), a control centre computer (9) and a plurality of measurement sensors (7) located remote from the electricity generating plant on the medium voltage power lines, each of the measurement sensors (7) further comprising three individual measurement units, each measurement unit mounted on a different phase of the medium voltage power line (5) with respect to the other measurement units of that measurement sensor, and each measurement sensor (7) having means to communicate with the control centre computer (9). The method includes the steps of synchronizing the measurement sensors (7) and thereafter calculating the out of balance current for the medium voltage line (5) on a cycle by cycle basis.

Abstract: Systems and methods for remotely monitoring and detecting faults in power distribution systems. In one embodiment, a remote fault monitoring system comprises a plurality of remote fault detection devices distributed on a power distribution network, and a monitoring station. Each remote detect device includes a first electrical parameter measurement circuit electrically or electromagnetically coupled to a neutral power distribution circuit conductor, and a second electrical parameter measurement circuit electrically or electromagnetically coupled to a power distribution circuit ground conductor. The monitoring station receives measurements transmitted by the remote fault detection devices and determines from the measurements whether a fault intermediate a pair of adjacent remote fault detection devices has occurred.

Abstract: A gas-insulated apparatus is equipped with multiple sensors for sensing a partial discharge signal caused by a foreign substance, and a frequency analyzing section for analyzing the frequency of the sensed partial discharge signal. A defect type judging section estimates the defect type of the foreign substance from the signal obtained through the frequency analysis or from the voltage phase distribution of partial discharge synchronized with the frequency of the voltage applied to the gas-insulated apparatus, and a location determining section estimates the defect location and signal intensity from the multiple partial discharge signals. A defect size calculating section estimates the defect size for each defect type from the signal intensity and field distribution at the defect location. Dielectric breakdown risk evaluation is performed based on the defect size and type, and the insulation failure risk is diagnosed from the partial discharge.

Abstract: An apparatus for repeatably generating electrical arcs for testing an electrical switching device, such as an arc fault circuit interrupter, includes a stationary electrode and a movable electrode that is moved along a path of travel by an electromechanical device under the control of a controller that receives data from either a current measuring device or a voltage measuring device to detect the initiation of an arc. The movable electrode is caused to first make physical contact with the stationary electrode, and then is moved away from the stationary electrode until an arc is detected. Additionally, the movable electrode may be moved towards and away from the stationary electrode according to a test profile to control the magnitude of the randomness of the arc.

Abstract: A sensor control circuit includes an acceleration sensor which detects acceleration and generates a detection signal. The sensor control circuit also includes a processing section which generates a calculation result by calculating the acceleration in accordance with the detection signal, and generates an interrupt notification. The sensor control circuit also includes an interrupt output circuit. The interrupt output circuit has a threshold value determination section which generates a detection result by determining a change condition. The change condition is determined by comparing the calculation result with the threshold value. The interrupt output circuit also has a plurality of INT terminals and a selection section. The selection section selects the detection result or the interruption notification in accordance with mode information which is set from a host CPU and sends the selected signal from the INT terminal through the associated INT terminal.

Abstract: A system for detecting, at a remote location, a deterioration in an electrical connection, such as an electrical meter socket connection, includes at least one deterioration sensing device that includes an apparatus for detecting, at a remote location, a deterioration in an electrical connection; at least one fixed or portable receiving communication device, each configured to receive temperature information from the at least one deterioration sensing device and to transmit the temperature information via a communication network; and a back end connected to the communication network and configured to receive temperature information from the at least one fixed or portable sensing communication device. Upon exceeding a predetermined condition, the back-end may forward an alarm warning to a utility.