Abstract: Disclosed herein is an interlocking mechanism interlocked with a control power of a circuit breaker. The mechanism includes a control power plug movably installed in a switchgear box, a control power connector detachably coupled to the control power plug, a link connected to the control power connector, a plug interlock assembly connected to and interlocked with the link, and a position switch assembly positioned to face and interlocked with the plug interlock assembly.
Abstract: In some embodiments, a method for transferring data in a power system includes an energy management system assigning a different service number to each of types of data, transferring a service number corresponding to specific data from a server to the energy management system, transferring the data corresponding to the transferred service number from the energy management system in a broadcast manner, and the server receiving the data transferred from the energy management system in the broadcast manner.
Abstract: In some embodiments, a data processing apparatus includes a communications unit configured to collect data items from data acquisition apparatuses and transmit the collected data items to clients; and a control unit configured to determine event data from among the collected data items, select the determined event data, compare the selected event data with reference event data to transmit only event data that meets predetermined conditions to the clients.
Type:
Grant
Filed:
August 26, 2016
Date of Patent:
August 13, 2019
Assignee:
LSIS CO., LTD.
Inventors:
Pil-Suk Kim, Jae-Hyung Lee, Jae-Hong Cha, Ho-Young Kang
Abstract: Disclosed embodiments relate to data management apparatus of an energy management system and methods for managing data of an energy management system. In some embodiments, a data management apparatus includes: a data type determination part configured to determine a type of data collected from a power system; a data analysis part configured to analysis data determined as analog data by the data type determination part; and a first data processing part configured to process the analog data based on a result of the analysis by the data analysis part.
Abstract: In some embodiments, a load power monitoring system includes a distribution board to distribute a electric power applied from a external electric power supply source or a first renewable energy source to an electric device, at least one power metering device to sense electric energy of at least one of the electric power supply source and the first renewable energy source, a second power metering device to sense electric energy distributed to the electric device, a third power metering device to sense electric energy generated from a second renewable energy source, and a monitoring server to collect electric energy data sensed at each of the power metering devices and monitor the load power based on the collected electric energy data.
Abstract: A low cost IC solution is disclosed to provide Super CMOS microelectronics macros. Hereinafter, the Super CMOS or Schottky CMOS all refer to SCMOS. The SCMOS device solutions with a niche circuit element, the complementary low threshold Schottky barrier diode pairs (SBD) made by selected metal barrier contacts (Co/Ti) to P— and N—Si beds of the CMOS transistors. A DTL like new circuit topology and designed wide contents of broad product libraries, which used the integrated SBD and transistors (BJT, CMOS, and Flash versions) as basic components. The macros include diodes that are selectively attached to the diffusion bed of the transistors, configuring them to form generic logic gates, memory cores, and analog functional blocks from simple to the complicated, from discrete components to all grades of VLSI chips. Solar photon voltaic electricity conversion and bio-lab-on-a-chip are two newly extended fields of the SCMOS IC applications.
Abstract: One or more arc gas outlet holes are formed in a trip device such that an effect of easily venting an arc gas, which flows into the trip device, to the outside through the arc gas outlet holes is provided.
Abstract: Disclosed herein are embodiments of a method for controlling a slave device in a system including a master device and a plurality of groups of slave devices. In one embodiment, the method includes generating, by the master device, a control message containing group data items each corresponding to the respective groups to transmit the control message to a particular group; transmitting, by a slave device included in the particular group, the control message to a next group; extracting, by the slave device, a group data item from the control message after the transmitting the control message; extracting/writing, by the slave device, data from/onto the group data; and transmitting, by the slave device, the group data to the master device after completing the extracting/writing.
Abstract: A submodule includes a power pack including a plurality of switching modules, first and second input bus bars connected with the switching modules to protrude toward a first outside of the power pack and a bypass switch provided at the first outside of the power pack and coupled to the first and second input bus bars.
Abstract: Provided is a multi-pole molded case circuit breaker (MCCB) with an insulation barrier for a rotary pin, in which an insulation barrier is provided in a rotary pin for inter-phase power transmission to prevent dielectric breakdown. The multi-pole MCCB includes a shaft assembly having a movable contactor and having a plurality of rotary pin holes formed in a penetrating manner, a base assembly to which the shaft assembly is rotatably accommodated to be coupled, a switching mechanism coupled to an upper portion of the base assembly and rotating the shaft assembly, a plurality of rotary pins coupled to the plurality of rotary pin holes in a penetrating manner, and an insulation barrier formed of an insulating material and covering the plurality of rotary pins.
Abstract: Disclosed embodiments relate to a monitoring system for detecting an error of a harmonic filter in a high voltage direct current (HVDC) transmission system is disclosed. In some embodiments, the monitoring system comprises a harmonic filter including one or more capacitor units, a monitoring sensor unit sensing a voltage of at least one of the one or more capacitor units, and, a control unit monitoring a voltage error of the at least one capacitor unit using the sensing result.
Abstract: A power loss measuring system is provided for measuring power loss in a harmonic filter included in a High Voltage Direct Current (HVDC) transmission system. The power loss measuring system may include a harmonic filter, a monitoring sensing unit, and a controller. The harmonic filter may include a plurality of elements. The monitoring sensor unit may sense variation in impedance of each of the plurality of elements. The controller may obtain power loss in the harmonic filter using amount of variation in impedance of each of the plurality of elements.
Abstract: The present invention relates to a micro-grid system including a load. The load includes: a distributed power source including one or more elements which generate power; and a controller configured to derive a first load pattern by measuring load data of the load when the load is added to the micro-grid system established in advance, compare the first load pattern with a preset load pattern for each load type, and operate the distributed power source based on a result of the comparison.
Type:
Grant
Filed:
November 10, 2016
Date of Patent:
July 9, 2019
Assignee:
LSIS CO., LTD.
Inventors:
Yong-Hark Shin, Jae-Seong Shim, Chong-Suk Song
Abstract: A hybrid power storage apparatus according to one embodiment of the present disclosure includes a battery configured to store first electric power supplied to an electric power system and second electric power supplied therefrom; an electric power conversion unit configured to convert the first electric power into an alternating current (AC) power and the second electric power into a direct current (DC) power; and a control unit configured to receive electric power information of the electric power system from a server, and control the battery and the electric power conversion unit to supply electric power to the electric power system or to receive electric power supplied therefrom based on a magnitude or a frequency of electric power included in the received electric power information.
Abstract: A sensor support for use with a lighting refractor includes a housing defining an interior cavity configured to receive and support a sensor for sensing at least one of motion or light. The sensor support further includes a locking structure operatively associated with the housing and configured to selectively attach the housing to a peripheral portion of a lighting refractor, and an aperture in the housing and arranged to expose the sensor to an environment around the lighting refractor. Sensor and lighting unit assemblies are also disclosed. A sensor assembly includes the sensor support and a sensor configured to sense at least one of motion or light. A lighting unit assembly includes the sensor support and a lighting unit having a refractor with a peripheral portion.
Type:
Grant
Filed:
July 28, 2016
Date of Patent:
July 2, 2019
Assignee:
LSI Industries, Inc.
Inventors:
Travis Wright, John D. Boyer, Travis Schubert
Abstract: A data logging apparatus stores communications data transmitted/received between a first apparatus and a second apparatus as log data, determines whether an event occurs based on the communications data, and stores log data within predetermined time periods before and after the time point at which the event has occurred, i.e., between a log start time and a log end time as event data. The data logging apparatus can efficiently store data that is used for analyzing the cause of the event occurring in the first apparatus.
Abstract: Provided is a trip mechanism for DC molded case circuit breaker, in which the insulating distance between the poles increases without any increase in whole product size, thereby reliably providing a trigger output against an over current and a fault current instantaneous breaking required. The trip mechanism includes a trip mechanism part including an instantaneous trip mechanism, the instantaneous trip mechanism including a movable member to operate according to a fault current instantaneous breaking required, and a thermal trip mechanism including a bimetal to operate according to an over current, the trip mechanism part being provided for one of two adjacent poles; a crossbar that is rotatable by contacting and pressing of the movable member of the instantaneous trip mechanism or the bimetal of the thermal trip mechanism; and a shooter that is provided to be rotatable by contacting of the crossbar rotating.
Abstract: A re-arming tool for a surgical suturing device is also disclosed. The re-arming tool includes a needle ramp having a leading edge; a needle facing surface; and a trailing edge that is biased away from the needle facing surface. The re-arming tool also has a positioning frame coupled to the needle ramp.
Abstract: Disclosed herein is an apparatus for updating charging/discharging efficiency factors of an energy storage system. The apparatus includes: a correlation coefficient calculate unit configured to calculate correlation coefficients between n charging/discharging reference values input to the energy storage system during a predetermined update cycle and (n+k) charging/discharging power values measured in the energy storage system after the predetermined update cycle has started, where n and k are natural numbers; a selection unit configured to select n charging/discharging power values corresponding to the n charging/discharging reference values among the (n+k) charging/discharging power values based on correlation coefficients; and an update unit configured to update the charging/discharging efficiency factors set for each power range with n charging/discharging efficiency factors calculated by using the n charging/discharging reference values and the selected n charging/discharging power values.
Abstract: The present disclosure provides a method for controlling an inverter in an inverter system including the inverter, wherein the inverter includes a direct current-link capacitor, an inverting unit and a control unit, wherein the method comprises: when a direct current-link voltage of the direct current-link capacitor is greater than or equal to a predefined first voltage and is smaller than a second voltage which is greater than the first voltage, calculating a value using the direct current-link voltage and a time, and accumulating the calculated value over time to generate a cumulative value; when the cumulative value is greater than or equal to a predefined first value, blocking an output of the inverting unit; and when the direct current-link voltage is smaller than the first voltage, obtaining a value by subtracting a second predefined value from the cumulative value, and updating the cumulative value as the obtained value.