Abstract: The present invention relates to a system and a method for monitoring a power facility by measuring from online a line parameter of the power facility that is in operation, and the system for monitoring the power facility, according to the present invention, sets a measurement time and selects a facility to be measured in accordance with external input, receives current and voltage data which are measured from the facility to be measured, extracts the current and voltage data that are simultaneously measured at the measurement time that is set, by referencing time information that is tagged on the current and voltage data that are inputted, removes zero-phase-sequence component from the current and voltage data, outputs the line parameter with respect to the facility to be measured that is selected by using the current and voltage data from which the zero-phase-sequence component is removed, determines the electrical status of the facility including malfunction and various connection statuses depending on whe

Abstract: The present invention relates to a headwear with a receiving part for a portable audio device, and more particularly, to a headwear with a receiving part for portable audio devices which is capable of receiving a portable audio device and an earphone to facilitate listening to music. The headwear with receiving part for portable audio device according to the present invention includes a crown part which is a body of the headwear; a visor part attached to lower front part of the crown part; and a size adjustment part attached to a lower rear part of the crown part, wherein a portable audio device receiving part for receiving a portable audio device is provided at a side surface of the crown part and an earphone holder for holding an earphone cord of the portable audio device is placed at an inside of the size adjustment part.

Abstract: The present invention relates to a headwear with a detachable receiving part for a portable audio device, and more particularly, to a headwear with a detachable receiving part for a portable audio device which is capable of receiving a portable audio device and an earphone to facilitate listening to music as well as detaching the receiving part and putting it on user's arm to use it. The headwear with receiving part for portable audio device according to the present invention includes a crown part which is a body of the headwear; a visor part attached to lower front part of the crown part; and a receiving band attached to rear and side peripheral portions of the crown part, wherein the receiving band is provided with an adjustment band and a portable audio device receiving part.

Abstract: A headband mainly used for headwear and constructed by properly weaving 100% nylon combustible yarn. Having no polyurethane, the headband is woven to single ply or two-ply without an additional stitched portion, and exhibits good elasticity as a whole through the napped, felt-like structure of the textile. The circumferential stretch direction of the headband also provides excellent sweat absorption capability. With this construction a wide range of automatic size adjustment is obtained without imposing undue elastic pressure on the wearer such that the cap and headband are comfortable for extended periods of wear.

Abstract: An improved auto-reclosing dead time control apparatus and a method thereof for a transmission cable protection relay system which is capable of providing an on-line stability evaluation method which is capable of controlling the dead time of the transmission cable automatic reclosing relay in accordance with the stability margin, which includes an electrical system for controlling an automatic reclosing operation in accordance with a variation of a transmission cable failure dead time, a transient stability margin evaluation means for evaluating a transient stability margin in accordance with a failure information inputted from the electrical system, and a reclosing relay means for varying the dead time in accordance with a transient stability margin evaluated by the transient stability margin evaluation means.