Embodiments of the present disclosure relate to a primary plugin, a drawer and a distribution panel for a power distribution system. A primary plugin for a power distribution system is provided, the primary plugin comprising: a body; a socket assembly mounted on the body; a measuring unit mounted around the socket assembly and configured to measure electrical parameters in the power distribution system; and a data processing unit mounted on the body and coupled to the measuring unit, the data processing unit being adapted to receive and process the electrical parameters measured by the measuring unit and to upload the processed electrical parameters to a gateway.

A meter socket is provided for watt-hour meters. The meter socket comprises a block assembly mounted at a center of the meter socket, a bypass mechanism situated in the bottom portion of the block assembly and a plurality of clamp jaws. The block assembly includes a top portion and a bottom portion. The bypass mechanism includes a plurality of rotary bypass blades coupled to a lever arm. Each clamp jaw includes a clamp jaw assembly that includes a jigsaw mechanism situated in the top portion of the block assembly. The jigsaw mechanism includes a copper jaw bus, a contact plate, a jaw spring, a bypass spring, a compression spring, a shoulder screw, a rivet or one or more fasteners. Each clamp jaw further includes a clamp jaw bypass mechanism that includes a jaw opening formed between the copper jaw bus and the jaw spring to receive a rotary bypass blade of the plurality of rotary bypass blades of the bypass mechanism.

A test board for a semiconductor device and a test board including the same are provided. A test board includes a substrate, a mounting pad which is formed on the substrate and on which a semiconductor chip is mounted and a test terminal group arranged on the substrate to be spaced apart from the mounting pad and electrically connected to the semiconductor chip by a pattern arranged on the substrate, wherein the semiconductor chip includes a first terminal and a second terminal for inputting/outputting signals, the test terminal group includes a first test terminal electrically connected to the first terminal and a second test terminal electrically connected to the second terminal, a first voltage is applied to the first terminal and the second terminal, and a stress signal that is caused by a second voltage is applied to the first test terminal.

A connector structure includes a connector body that includes wiring in an internal section; an opening of the connector body, the opening being positioned to overlap the wiring when being viewed in a predetermined direction, the opening communicating with the internal section; and a probe holding mechanism in the opening, the probe holding mechanism blocking up the opening. The probe holding mechanism is configured to have a probe inserted through the probe holding mechanism in the predetermined direction and is configured to, when the probe is inserted through the probe holding mechanism, deform and hold the probe.

A power connector is provided that is configured to conduct a current. The power connector includes a base structure, an extension structure, and a connector head structure that define a current path for the current. The extension structure is coupled to and extends between the base structure and the connector head structure. The connector head structure includes a bore-hole that vertically extends into the connector head structure toward the base structure. The bore-hole is configured to receive a fastener for coupling the power connector to an electrical interface of a device. The connector head structure has a mechanical engagement feature configured to mechanically engage with a torque stabilization tool during a fastening of the fastener to the connector head structure in order to prevent a torque applied by the fastening of the fastener from being transferred to the extension structure.

A signal lead structured to be attached to an electrical device that comprises a signal pad, a spring housing, a spring, and a flexible conduit. The spring is carried in the spring housing, and a portion of the spring extends beyond a surface of the spring housing when the spring is unsprung. The spring is structured to touch the electrical device and carry an electrical signal between the electrical device and the signal pad when the signal lead is attached to the electrical device. The flexible conduit is coupled to the signal pad at an end of the flexible electrical conduit and extends away from the spring housing.

A system for managing grid interaction with a solar power source includes an energy exchange server, a plurality of solar energy sources, a plurality of interconnect socket adapters, and a plurality of energy exchange controllers, each energy exchange controller coupling to one of the plurality of interconnect socket adapters and dictating energy consumption based on energy pricing data received from the energy exchange server. Each interconnect socket adapter electrically couples to the power grid, one or more energy sinks, and a solar energy source, and the energy exchange server receives a real-time energy consumption data set, a real-time energy production data set, a set of environmental parameters and a starting energy price, and generates a current aggregate electricity demand value as a function of the real-time energy consumption data set and the environmental parameters, a current aggregate electricity supply value as a function of the real-time energy production dataset and the environmental parameters, and a current energy price as a function of the starting energy price, the current aggregate electricity demand value, and the current aggregate electricity supply value.

A test carrier carried in a state of accommodating a device under test (DUT) includes: a carrier body that holds the DUT; and a lid member that covers the DUT and is attached to the carrier body. The carrier body has contactors provided to correspond to terminals of the DUT, external terminals electrically connected to the contactors, and a first through-hole for positioning that is provided to face the DUT. The first through-hole penetrates the carrier body so that a part of the DUT is seen from an outside through the first through-hole.

A system for managing grid interaction with a wind power source includes an energy exchange server, a plurality of wind energy sources, a plurality of interconnect socket adapters, and a plurality of energy exchange controllers, each energy exchange controller coupling to one of the plurality of interconnect socket adapters and dictating energy consumption based on energy pricing data received from the energy exchange server. Each interconnect socket adapter electrically couples to the power grid, one or more energy sinks, and a wind energy source, and the energy exchange server receives a real-time energy consumption data set, a real-time energy production data set, a set of environmental parameters and a starting energy price, and generates a current aggregate electricity demand value as a function of the real-time energy consumption data set and the environmental parameters, a current aggregate electricity supply value as a function of the real-time energy production dataset and the environmental parameters, and a current energy price as a function of the starting energy price, the current aggregate electricity demand value, and the current aggregate electricity supply value.

A method of testing an integrated circuit of a device is described. Air is allowed through a fluid line to modify a size of a volume defined between the first and second components of an actuator to move a contactor support structure relative to the apparatus and urge terminals on the contactor support structure against contacts on the device. Air is automatically released from the fluid line through a pressure relief valve when a pressure of the air in the fluid line reaches a predetermined value. The holder is moved relative to the apparatus frame to disengage the terminals from the contacts while maintaining the first and second components of the actuator in a substantially stationary relationship with one another. A connecting arrangement is provided including first and second connecting pieces with complementary interengaging formations that restricts movement of the contactor substrate relative to the distribution board substrate in a tangential direction.