Abstract: The present invention is to provide an on-line status diagnosis device for an electric power utilities, in which sampling and data transmission rates are differentiated according to a degree of risk of degradation status data. The on-line status diagnosis device includes a sensor for providing a degradation detection signal of the electric power utilities, a data acquisition unit (DAU) for acquiring and providing degradation detection data, and a communication unit for transmitting the degradation detection data to the outside. The DAU includes an analog-digital converter for acquiring degradation detection data as digital data by converting the degradation detection signal from the sensor into a digital signal, and a microcomputer for determining a degree of risk by comparing the degradation detection data with at least one predetermined risk determination reference value, and outputting a control signal to the analog-digital converter to change a sampling rate and a report rate.

Abstract: A door locking device of a distribution board of an air circuit breaker, including a transmission shaft transmitting power for drawing in and out a circuit breaker body, a shaft link rotatably coupled to one end of the transmission shaft, a link rod having one end rotatably coupled to a portion of the shaft link, a cam plate rotatably coupled to the other end of the link rod and pushing or pulling the circuit breaker boy, and a constraint plate installed in a distribution board door, further includes a pressing part protruding from a portion of the link road, and a hook plate rotatably coupled to a side of the cradle and having one end in contact with the pressing part to receive rotational force and the other end restricting or releasing the constraint plate, wherein the hook plate releases the constraint plate in a disconnection position.

Abstract: The present invention relates to an integrated interlock device of an air circuit breaker, and more particularly, to an integrated interlock device of an air circuit breaker capable of using different types of interlock devices in an integrated manner in case of using two or more air circuit breakers connected to each other, and a method of using the same.

Abstract: The present invention relates to a connecting device for control terminals in a withdrawable type circuit breaker, and more particularly, a connecting device for control terminals in a withdrawable type circuit breaker, capable of automatically connecting or separating control power source terminals for controlling the circuit breaker upon pulling out or inserting a breaker main body.

Abstract: A fan assembly includes a first guide, a second guide disposed in a direction vertical to the first guide such that the height of the first guide is adjustable, a slider disposed to move in a horizontal direction along the second guide, and a plurality of fan modules fastened to the slider, wherein each of the plurality of fan modules is fastened to the slider such that the height of the fan module is adjustable. Accordingly, the heights of the plurality of fan modules can be simultaneously adjusted, and the heights of some of the plurality of fan modules can be adjusted different from those of the other fan modules, so that the plurality of fan modules can be optimally installed.

Abstract: A bypass switch includes: a casing; a vacuum interrupter disposed inside the casing, the vacuum interrupter being disposed such that a movable contact is movable to a fixed contact; a first fixing bus-bar fixed to the casing; a second fixing bus-bar fixed to the casing to be spaced apart from the first fixing bus-bar; a moving pusher connected to the movable contact; a drive source installed in the casing, the drive source pushing the moving pusher to a position at which the movable contact and the fixed contact are contacted with each other; and a multi-contactor disposed to be contacted with the moving pusher. Accordingly, the moving pusher can rapidly contact the movable contact with the fixed contact. Further, the moving pusher can be moved with a small external force. Thus, it is possible to minimize the size of the drive source and the power used in the drive source.

Abstract: A control device in a high voltage direct current (HVDC) system is provided. The control device includes a communication unit performing communication with a component in the HVDC system; and a control unit enabling the communication unit to receive, from the component, data on an available state of the component, calculating availability of the HVDC system defined as a ratio of an actual operation time of the HVDC system to an operable time of the HVDC system based on data on the available state of the component, and then performing control of the HVDC system based on the data on the available state of the component and the availability of the HVDC system.

Abstract: A method for designing a multiple tuned filter (MTF) in a high voltage direct current (HVDC) system includes setting an input parameter constituting the MTF; setting a resonance frequency of the MTF; extracting at least one LC combination case constituting the MTF on the basis of the input parameter and the resonance frequency; performing optimization for harmonic reduction on the LC combination case; and extracting an LC combination case determined based on a result obtained by performing the optimization.

Abstract: Provided is a Battery Energy Storage System (BESS) management device for managing a BESS for receiving and charging electrical energy and supplying the electrical energy to a DC/AC converter by discharging the charged electrical energy in a power supply system. The BESS management device includes a measurement unit configured to measure State of Charges (SOCs) of a plurality of series-connected modules or cells in the BESS and a DC power supply unit configured to supply DC power to one of the plurality of modules or one of the plurality of cells on the basis of the SOCs of the plurality of modules or cells.

Abstract: A temperature control apparatus is provided. The temperature control apparatus includes an analog to digital (AD) converter digital-converting a measurement value transmitted from a plurality of temperature sensors; a control means comparing the measurement value transmitted from the AD converter with a preset desired value to perform PID calculation; and an output unit transmitting, to outside, a pulse width modulation (PWM) control signal transmitted form the control means, wherein an input-side isolator for isolation for each temperature sensor is provided between the AD converter and the temperature sensor, the input-side isolator is connected to each of the temperature sensors, and the control means sequentially operates the input-side isolators.

Abstract: A method of passing suture through a pledget is disclosed. A first suture tail is passed through a first suture engaging loop extending out of a first aperture in the pledget on a distal side of the pledget. A second suture tail is passed through a second suture engaging loop extending out of a second aperture in the pledget on the distal side of the pledget. The first and second suture tails are drawn proximally through their respective pledget apertures by pulling a handle coupled to the first and second suture engaging loops on a proximal side of the pledget.

Abstract: Provided is a method for rapidly and easily detecting a mutated nucleic acid, which is contained in a small amount in a nucleic acid sample together with wild-type nucleic acids, with high specificity and high sensitivity. In the method of the present invention, amplification of a detection region comprising a target site by a nucleic acid amplification method is inhibited, by the steps of allowing a nucleic acid having a target site to coexist with a clamp probe comprising a photo-crosslinking nucleic acid and having a sequence complementary to the target site, and photo-crosslinking the nucleic acid having the target site with the clamp probe by photo-irradiation.

Abstract: Disclosed embodiments relate to a data control system. In some embodiments, the data control system includes a transmission module configured to add synchronization signal information to data included in a first data stream to generate a second data stream, and a plurality of control modules configured to receive the second data stream from the transmission module. In some embodiments, the data includes power information.

Abstract: A media access control (MAC) filtering method is provided. The MAC filtering method includes setting a variable of condition on a target frame to be re-transmitted, with a relay control logic; receiving data from a physical layer; storing the received data in a relay buffer; determining whether to re-transmit the receive data; monitoring a transmission state of a MAC control logic and transmitting the received data while the MAC control logic is not used, to prevent data collision, when as a result of the determination that the receive data needs to be re-transmitted; and storing information that the received data is being transmitted, into a transmit state memory in the MAC control logic, when the received data is transmitted.

Abstract: Disclosed embodiments relate to a DC circuit breaker and a circuit breaking method thereof which comprises: a measuring portion for measuring a DC current conducted through a first circuit portion; the first circuit portion for conducting and blocking the DC current; and a second circuit portion for conducting and blocking the DC current which is bypassed from the first circuit portion and controlling the open/close operation of the first circuit portion according to a measuring result of the measuring portion, wherein, in the first circuit portion and the second circuit portion, switching elements, which are included in each of them, are connected in a parallel configuration such that a high switching operation during a blocking operation can be improved and the DC current can be blocked in a safer and more efficient manner, and a circuit breaking method of the DC circuit breaker.

Abstract: A static varr compensation apparatus including: a plurality of capacitor banks supplying three-phase alternating current (AC) power; a plurality of bidirectional thyristors opening and closing the plurality of capacitor banks; and a controller calculating an amount of reactive power necessary to be compensated and controlling the plurality of bidirectional thyristors to open and close the plurality of capacitor banks in correspondence to the calculated amount of reactive power, wherein the plurality of capacitor banks are in a structure of Y connection.

Abstract: Disclosed herein is a cooling system for two-dimensional array power converters. The cooling system includes: a plurality of power converters arranged in two-dimension; a compressor configured to generate compressed air; vortex tubes each installed in the respective power converters, the vortex tubes configured to generate low-temperature air based on compressed air from the compressor; valves installed between the compressor and the vortex tubes; temperature sensors each installed in the respective power converters to measure temperature inside the power converters; and a controller configured to determine whether to supply the low-temperature air into the power converters by using the vortex tubes, based on the temperature measured by the temperature sensors, and to control the valves depending on a result of the determination.

Abstract: Disclosed is a PLC system having a plurality of CPU modules and a control method thereof, wherein the method includes ascertaining a clock signal when a count is a count corresponding to a time slot allocated by a master CPU module, generating a clock signal by accessing to a backplane, and ending generation of clock signal at a time when the access to the backplane ends.

Abstract: The present disclosure relates to a data processing apparatus. The data processing apparatus includes: at least one data processor configured to collect the data from the RTUs and check alarm data associated with the collected data; a first data queue generating unit configured to receive the alarm data output from the data processor to create an alarm data queue; an alarm processing unit configured to receive the alarm data included in a first alarm data queue of the first data queue generating unit sequentially to create a second alarm data queue for creating an alarm message, and to create an alarm message based on alarm data in the second alarm data queue to output it. The alarm processing unit includes a second alarm data queue generating unit configured to receive alarm data from the first data queue generating unit and store the received alarm data into a second alarm data queue.

Abstract: A monoclonal antibody that does not show a crossreactivity with middle-molecular weight (MMW) adiponectin and specifically reacts with high-molecular weight (HMW) adiponectin alone is disclosed. The monoclonal antibody of the present invention can be produced by using HMW adiponectin as an antigen. According to the monoclonal antibody of the present invention, a convenient, high-accurate, and versatile reagent for analyzing HMW adiponectin can be provided.