Abstract: An apparatus for restarting a medium voltage inverter is disclosed, wherein the medium voltage inverter can be restarted by estimating a rotor speed when an input power returns from an instantaneous defective state to a normal state, whereby a time to restart the medium voltage inverter can be reduced by a simple configuration to dispense with the need to wait until the rotor speed reaches zero speed.

Abstract: A system for managing water in a water pipe network is disclosed. The system draws an optimal pump operation schedule and a result of hydraulic analysis, by performing an integrated simulation of hydraulic analysis and optimization based on the hydraulic analysis data for optimization calculation and demand amount data generated using an optimization setting parameter and history data.

Abstract: A method for transmitting and receiving data between an MPU and a memory operating in mutually different operating voltages in PLC is proposed, the method including: outputting, by the MPU, a CS (Chip Select) signal and an address signal in order to read data by approaching to the memory; outputting, by an OR gate, an activation signal for activating a data input buffer by receiving the CS signal and the address signal; outputting, by an access signal output buffer, a memory access signal for operation of the memory by receiving the CS signal and the address signal; outputting, by the memory, data requested by the MPU to the data input buffer by responding to the memory access signal; and outputting, by the data input buffer, the received data to the MPU by receiving the data outputted by the memory.

Abstract: A vehicle control method according to an embodiments includes: collecting data in a first communication data format from at least one electronic unit in a vehicle; converting the data collected in the first communication data format into a second communication data format in order to be transmitted to a pre-connected destination; transmitting the converted data to the destination; receiving, from the destination, control data of the second communication data format corresponding to the transmitted data; converting the control data of the second communication data format into the first communication data format; and outputting the control data of the first communication data format to a corresponding electronic unit.

Abstract: An apparatus and a method for controlling a direct-current (DC)-DC converter used in a vehicle are provided. The apparatus includes a switching control unit checking a difference between voltages of an input unit and an output unit and controlling an operation of at least one switch formed in a converter according to an operation mode of the converter according to the difference of voltages; and the converter controlling the operation of the at least one switch based on a control signal applied from the switching control unit to allow a current to flow from the input unit to the output unit.

Abstract: Provided is a disconnection detecting apparatus for detecting whether there is a disconnection between a current signal output device and an external device receives the current signal of a PLC analog current output module. The disconnection detecting apparatus according to an embodiment includes a monitoring unit generating different voltages according to whether a current signal input from the current signal output device is applied to the external device, a reference voltage generating unit generating a reference voltage, a comparing unit outputting a voltage according to a result obtained by comparing the voltage generated from the monitoring unit with the reference voltage, and a switching unit outputting a disconnection detecting signal on the basis of the voltage output from the comparing unit.

Abstract: An apparatus for testing a thyristor valve includes: a current source circuit that provides an electric current when a thyristor valve as a test target is turned on; a voltage source circuit that provides a reverse voltage or a forward voltage when the thyristor valve is turned off; and a first auxiliary valve provided between a connection point between the thyristor valve and the voltage source circuit and the current source circuit, and that insulates the current source circuit from the voltage source circuit to protect the current source circuit from a high voltage of the voltage source circuit.

Abstract: A local monitoring apparatus, a power distribution monitoring system of a digital protective relay, and a method using the same are disclosed herein. According to the embodiments of the present disclosure, a power distribution monitoring system of the digital protective relay may be configured with a local monitoring program and a self function of the digital protective relay, thereby reducing a cost burden due to the installation of a remote monitoring system. It may be connected to one or more digital protective relays through a remote monitoring connection line to transmit and receive data using a local monitoring dedicated protocol, thereby easily processing various data contained in the digital protective relay. Furthermore, according to the present disclosure, various setting values required for a plurality of digital protective relays, respectively, may be accessed and downloaded once, thereby enhancing the user's convenience and increasing management efficiency.

Abstract: The disclosure relates to a protocol converter that converts between a Modbus protocol and an ECHONET Lite protocol to enable communication between a device performing communication based on a Modbus protocol and a device performing communication based on an ECHONET Lite protocol. The protocol converter according to the disclosure comprises a first communicator connected to a first device that performs communication in a first protocol, a second communicator connected to a second device that performs communication in a second protocol, and a controller that converts the first protocol and the second protocol with each other to control communication between the first device and the second device.

Abstract: A PLC data log module with backup function is proposed, the module including an internal memory configured to store the log data and to transmit the stored log data to the external memory, a backup memory configured to back-up the log data transmitted from the internal memory to the external memory and to store the backup data, and a controller configured to transmit the backup data stored in the backup memory to the external memory by controlling the backup memory when the PLC is turned off or reset.

Abstract: A high voltage direct current (HVDC) transmission system is provided. The high voltage direct current (HVDC) transmission system includes: a first power transceiving part consuming power generated by a power generation part, storing the generated power, and outputting the generated power or stored power to a second power transceiving part; a second power transceiving part consuming power generated by a power generation part, storing the generated power and outputting the generated power or stored power to the first power transceiving part; and a control part controlling the power transmission and reception of the first power transceiving part and the second power transceiving part.

Abstract: The present invention connects a ring topology Ethernet network to other networks of various shapes. To that end, a first ring topology network configured in a ring shape has three or more expandable nodes (each have three or more Ethernet ports), and is connected to other networks through Ethernet ports that are not used for the formation of the first ring topology network among Ethernet ports of the expandable node. Thus, it is possible to add equipment without changing a ring topology network previously built and it is possible to integrate and manage networks of various shapes into a single network.

Abstract: The present disclosure may fix the second yoke without using an upper cover and a lower cover, thereby having an effect of simplifying the entire structure, and reducing the fabrication cost, and decreasing the fabrication time.

Abstract: The present invention relates to an auxiliary contact mechanism of an electromagnetic contactor, and more particularly, to an auxiliary contact mechanism of an electromagnetic contactor capable of maximizing a time duration for which power is supplied to a magnetic coil for switching a main contact until the main contact is closed. The auxiliary contact mechanism of an electromagnetic contactor, includes: a case formed to have a box shape; an auxiliary sliding member installed above the case, and moving up and down by receiving a pressure from a main contact sliding member; an elastic member accommodated in an insertion groove formed in the auxiliary sliding member; a pressing member insertion-installed below the auxiliary sliding member, and moving up and down by an elastic force of the elastic member; and a micro switch turned on/off by the pressing member.

Abstract: The present invention relates to a direct current relay, and more particularly, to a direct current relay capable of reducing an electronic repulsive force generated between a fixed contact and a movable contact by a permanent magnet installed to extinguish an arc. The direct current relay includes: a frame; first and second fixed contacts spaced from each other with a predetermined distance there between; first and second magnetic substances formed to enclose a lower part of the first and second fixed contacts; a movable contact movable to contact or to be separated from the first and second fixed contacts, having a first movable contact contactable to the first fixed contact, and having a second movable contact contactable to the second fixed contact; and a pair of permanent magnets installed on long sides of the frame.

Abstract: A method for detecting a condition in a patient with disturbance of consciousness, by analyzing an amount and/or activity of a von Willebrand factor-cleaving protease, and a kit for detecting a condition in a patient with disturbance of consciousness, comprising an antibody or a fragment thereof which specifically binds to a von Willebrand factor-cleaving protease, or a von Willebrand factor or a fragment thereof, are disclosed. Examples of the detection of a condition include a detection of cerebrovascular disease, a detection of arteriosclerotic vascular disease, and a detection or prediction of severity.

Abstract: A biomaterial structure containing a larger amount of biomaterial than the conventional art with maintaining the reactivity of the biomaterial is provided by linking particulate lumps in which the biomaterial is bound with a compound capable of binding to the biomaterial, wherein the particle diameter of the particulate lumps is 10 ?m or smaller.

Abstract: A control device of an energy storage system is provided. The control device includes a voltage calculation unit calculating the difference between a reference voltage and a measured voltage; frequency calculation unit calculating the difference between a reference frequency and a measured frequency; a power reserve margin (PRM) calculating a ratio of reserve power to the maximum consumption of power; and a power calculation unit using, as input values, coefficients calculated at the voltage calculation unit, the frequency calculation unit and the PRM calculation unit, and calculating a switch control value of an energy storage system by further using a difference in reactive power and active power.

Abstract: Provided is a plug of a grid-side power cable assembly connected to a cable installment type charging control device for charging an electric vehicle (EV) by using power of a grid-side. An exclusive socket detecting part detects whether a socket connected to the plug is an exclusive socket for the plug. A normal operation signal generating part generates a signal notifying whether the exclusive socket is detected. A voltage dividing part outputs a voltage so that an output voltage in a case in which the grid-side assembly is short-circuited is different from that of the grid-side power cable assembly in a case in which the signal is generated.

Abstract: Provided is an electric connector for connecting electric equipment to a power device. The electric connector includes a connector body defining an outer appearance thereof, a connection bar disposed on the connector body to electrically the connect electric equipment to the power device, an insertion part disposed on the connector body, the insertion part being inserted into the electric equipment, and a sealing disposed on a shaft of the insertion part in a circumferential direction.