A detection and protection circuit includes: a comparator, six resistors, and two diodes. A first resistor is connected to a second resistor. The second resistor (30) is grounded. A positive input end, a negative input end, a power supply end, a ground end, and an output end of the comparator are connected to a third resistor, a fourth resistor, a power management device power supply pin, the ground, and a main controller. The other end of the third resistor is connected between the first resistor and the second resistor. The other end of the fourth resistor is connected to the first resistor. A first power supply is connected between the fourth resistor and the first resistor. A fifth resistor is connected to a sixth resistor. The sixth resistor (70) is grounded. The other end of the fifth resistor is connected to the main controller.

A probe card device includes a wiring board provided with a plurality of contacts, a probe head having a probe holder and a plurality of conductive probes arranged on the probe holder, respectively, and a circuit protection assembly including an insulation plate, a plurality of through holes and a plurality of self-resetting fusing elements. The insulation plate is sandwiched between the wiring board and the probe head. The through holes are respectively formed on the insulation plate and arranged in an array form. The self-resetting fusing elements are respectively disposed within the through holes. Each of the self-resetting fusing elements is electrically connected to one of the contacts and one of the conductive probes for reversibly breaking down electric currents from the wiring board to the conductive probe.

A probe card device includes a wiring board provided with a plurality of contacts, a probe head having a probe holder and a plurality of conductive probes arranged on the probe holder, respectively, and a circuit protection assembly including an insulation plate, a plurality of through holes and a plurality of self-resetting fusing elements. The insulation plate is sandwiched between the wiring board and the probe head. The through holes are respectively formed on the insulation plate and arranged in an array form. The self-resetting fusing elements are respectively disposed within the through holes. Each of the self-resetting fusing elements is electrically connected to one of the contacts and one of the conductive probes for reversibly breaking down electric currents from the wiring board to the conductive probe.

A current transient suppression circuit includes an inductor electrically connected to a test signal by an input of the inductor, at least one switching device electrically connected to an output of the inductor, and an output of the at least one switching device connected to a shunt path. A method of suppressing current transients in a circuit includes receiving a test signal at an inductor, and when the test signal comprises a current transient, the current transient is received at the inductor, activating at least one switching device electrically connected to the inductor to shunt the current transient away from a device under test.

A meter case used with a utility meter is disclosed. The meter shell includes a plurality of snap fit joints assembled on the meter case arranged to engage a module cover to mount the module cover to the meter shell. The module cover further includes wire housing formed along an inner periphery of the module cover that houses a wire having a first end and a second end therein. A metal shield placed behind the meter shell is electrically coupled to a first connector. A terminal electrically connected to the metal shield is arranged to discharge current to ground. An electrical contact electrically coupled to the second end of the wire is arranged to engage the first connector to establish an electrical connection to the metal shield for the discharge to ground of electrostatic currents sensed by wire.

The present disclosure provides a computer-implemented method for recommending one or more control schemes for controlling peak loading conditions and abrupt changes in energy pricing of one or more built environments associated with renewable energy sources. The computer-implemented method includes collection of a first set of statistical data, fetching of a second set of statistical data, accumulation of a third set of statistical data, reception of a fourth set of statistical data and gathering of fifth set of statistical data. Further, the computer-implemented method includes analysis of the first set of statistical data, the second set of statistical data, the third set of statistical data, the fourth set of statistical data and the fifth set of statistical data. In addition, the computer-implemented method includes recommendation of one or more control schemes to a plurality of energy consuming devices and a plurality of energy storage and supply means.

The present disclosure provides a computer-implemented method for recommending one or more control schemes for controlling peak loading conditions and abrupt changes in energy pricing of one or more built environments associated with renewable energy sources. The computer-implemented method includes collection of a first set of statistical data, fetching of a second set of statistical data, accumulation of a third set of statistical data, reception of a fourth set of statistical data and gathering of fifth set of statistical data. Further, the computer-implemented method includes analysis of the first set of statistical data, the second set of statistical data, the third set of statistical data, the fourth set of statistical data and the fifth set of statistical data. In addition, the computer-implemented method includes recommendation of one or more control schemes to a plurality of energy consuming devices and a plurality of energy storage and supply means.

Systems and methods for monitoring current anomaly are described. In an example, a device can measure first current flowing along a first liner between an instrument to an equipment. The device can measure second current flowing along a second line between the equipment to the instrument. The device can compare the measurements of the first current and the second current. The device can identify a presence of current anomaly based on the comparison of the measurements of the first and second currents. The device can, in response to the presence of the current anomaly, disconnect the instrument from the equipment.

In a protection circuit, a signal line group includes a plurality of voltage signal lines, and the voltage signal lines are connected to electrode portions of a plurality of unit batteries or electrode portions of a battery module. A first protection circuit portion includes a plurality of Zener diodes, and the Zener diodes are connected in parallel to the unit batteries between the plurality of voltage signal lines. A resistor portion group includes a plurality of resistor portions, and the resistor portions are interposed between the Zener diodes and the unit batteries on the voltage signal lines and restrict a current. A second protection circuit portion includes a plurality of varistors, and the varistors are connected in parallel to the unit batteries between the plurality of voltage signal lines.

A current sense circuit is provided. The current sense circuit includes an input terminal coupled to sense an input current. A first terminal of a diode is coupled as the input terminal. A current limiter has a first terminal coupled to a second terminal of the diode. A current source is coupled to a second terminal of the current limiter and configured to generate a first current. A current mirror includes a first leg coupled to the current limiter and the current source and a second leg coupled for providing an output current.