Leakage current measurement devicePROBLEM TO BE SOLVED: To surely discriminate connection of an isolation transformer and switch the polarity of a commercial AC voltage without interrupting supply of the commercial AC voltage to a measuring target device.樋口 昌男...
摘要: PURPOSE: To acquire a leakage current measurement device of a lightning arrester which enables easy measurement and improvement of measurement accuracy when a fine leakage current flowing in a grounding conductor of the lightning arrester is measured....
Leakage current can be an indicator of the effectiveness of insulation on conductors. High levels of leakage current may be present in circuits where electronic equipment with filters is used, and can cause voltages that disrupt normal operation of equipment. It is possible to locate the source of...
A mold frame that is useful for enhancing the luminance and reducing leakage current in a display device or a backlight assembly is presented. The mold frame includes a first face and a second face. The mold frame covers the ends of each... Yong-II Kim,JM Choi - US 被引量: 2发表:...
A method and an apparatus for measuring an effective component of a leakage current are provided to obtain accurate measurement results irrespective of temperature variation by raising a cut off frequency of an HPF to be higher than a basic frequency. An apparatus for measuring an effective componen...
magnetic field surrounding conductors such as a single core cable, a wire armor cable, a water pipe, etc.; or the paired phase and neutral conductors of a single-phase circuit; or all live conductors (3-wire or 4-wire) of a three-phase circuit (like a GFCI or residual current device)...
Device for control of leakage currents in a HF surgery device, and associated regulatory procedure The circuit is for the measurement of the current of the memory cells of an electrically modifiable non-volatile memory. The read circuit is complemented by two current sources to improve the biasing...
Method and device for bi-directional half duplex transmission of data The tristate check in the sense of a parameter test is based on a current measurement or a leakage-current measurement. A common method used for this purpose is to inject current at the pins to be checked via a resistor...
1.The device consists of a single-phase AC voltage standard resource, current standard resource and DC voltage, current standard resource of standard resource. 2.Have calibration function, which can according to the standard of external value, fixed standard resour...
A leakage current active ingredient measurement arithmetic and logic unit and method thereof are provided, which enable to easily compute the leakage current active ingredient value or the phase difference angle. An image current sensing member(1) detects the leakage current image component signal. The...