Matches 1 - 44 out of 44


Match Document Document Title
US20140169919 SOLENOID OPERATED CIRCUIT  
A solenoid operated circuit comprises a solenoid switch having a solenoid coil for moving one or more electrical contacts from a first position to a second position to switch an electrical motor...
US20120113550 MEMS-BASED SWITCHING SYSTEMS  
A device for controlling an electrical current includes control circuitry, a micro electromechanical system (MEMS) switch in communication with the control circuitry, the MEMS switch responsive to...
US20110222191 Two Terminal Arc Suppressor  
A two terminal arc suppressor for protecting switch, relay or contactor contacts and the like comprises a two terminal module adapted to be attached in parallel with the contacts to be protected...
US20130335861 Method and System for Detecting an Arc Fault in a Power Circuit  
The method of detecting an arc fault in a power circuit includes determining a first signal related to current flowing in the power circuit is determined and analyzing the first signal to...
US20140198413 METHOD FOR ADAPTING AN ARC SENSOR  
In a method for adapting an arc sensor (35) to a position in an electrical installation system, according to the invention a specifiable number of specifiable arcs are simulated and/or produced at...
US20060067018 Arc extinguishing stab housing and method  
The present technique, applicable to low voltage, medium voltage, and high voltage MCCs and other power management systems, provides for substantially containing and directing an arcing fault and...
US20140055886 CIRCUIT BREAKER SIGNALING SYSTEM FOR CONTROL OF AN ARC FAULT DETECTION SYSTEM  
In an electrical distribution system an arc management system has a transducer mounted in proximity to the circuit breaker for detecting and signaling a secondary effect of an overcurrent event...
US20150029617 Passive Resonance DC Circuit Breaker  
A DC circuit breaker including a pair of arcing contact members for holding an arc, an interaction element, adapted for interacting with the arc in dependence of whether the arc is in a first or...
US20150070801 TWO-POLE CIRCUIT BREAKERS  
A two-pole circuit breaker is provided that includes a first mechanical pole, a second mechanical pole and an electronic pole. The first mechanical pole includes a first armature having a first...
US20150103448 Battery Management System, Motor Vehicle and Battery Module  
A battery management system for a battery module having at least one battery cell provides a current path between poles of the battery module in response to a tripping signal. The current path...
US20070217092 RELAY PROTECTION CIRCUIT AND CONTROLLING METHOD THEREOF HAVING RELATIVELY BETTER EFFECTIVENESS FOR SUPPRESSING DC ARC  
The provided relay system includes a load having a first terminal and a second terminal, a relay coupled to a common ground and the first terminal of the load and a relay protection circuit...
US20150214721 LEAKAGE CURRENT DETECTION AND INTERRUPTION (LCDI) DEVICE WITH IGNITION CONTAINMENT FEATURES  
A leakage current detection and interruption (LCDI) device, for use as a safety device for a cable connecting, a power source with a load. The LCDI having a safety circuit that senses the presence...
US20090316310 Arc-flash hazard protection system for three-phase electrical distribution system  
An arc-flash hazard protection system for a three-phase electrical distribution system having a plurality of switchgear interconnected with a plurality of distribution buses is disclosed. The...
US20110267721 Method for Detecting an Electric Arc in a Photovoltaic Installation  
Method for detecting an electric arc in a photovoltaic device by ultrasound, characterized in that it comprises the following steps: measuring (E1) at least one parameter among the amplitude of...
US20080253040 Ablative Plasma Gun  
A plasma gun with two gap electrodes on opposite ends of a chamber of ablative material such as an ablative polymer. The gun ejects an ablative plasma at supersonic speed. A divergent nozzle...
US20110096444 MICRO-ELECTROMECHANICAL SYSTEM BASED ARC-LESS SWITCHING WITH CIRCUITRY FOR ABSORBING ELECTRICAL ENERGY DURING A FAULT CONDITION  
A system is presented. The system includes a micro-electromechanical system switch. Further, the system includes a balanced diode bridge configured to suppress arc formation between contacts of...
US20100321836 MULTI-POLE ARC-FAULT CIRCUIT INTERRUPTER  
A multi-pole circuit breaker having the same number of sensors and controllers as poles. One pole is monitored by a first sensor and a first controller, which are disposed on a first circuit...
US20050094328 Electrical power connector  
An alternating electrical power connector uses a control circuit to drive a solid state switch controlling power to an appliance without the possibility of arcing, the control circuit is...
US20150171613 ELECTRICAL SWITCHING APPARATUS INCLUDING ALTERNATING CURRENT ELECTRONIC TRIP CIRCUIT WITH ARC FAULT DETECTION CIRCUIT AND POWER SUPPLY  
An electrical switching apparatus includes a transductor circuit that senses a direct current between an input terminal and an output terminal and outputs an alternating current proportional to...
US20070139831 Micro-Electromechanical System Based Arc-Less Switching With Circuitry For Absorbing Electrical Energy During A Fault Condition  
A system is presented. The system includes a micro-electromechanical system switch. Further, the system includes a balanced diode bridge configured to suppress arc formation between contacts of...
US20140071563 MONITORING SYSTEM FOR AND METHOD OF PREVENTING ELECTRICAL ARCS IN A SOLAR ENERGY SYSTEM  
A monitoring system for and method of preventing electrical arcs in a solar energy system is disclosed. The monitoring system includes an insulation resistance (IR) monitoring device, a disconnect...
US20150171620 ELECTRICAL SWITCHING APPARATUS INCLUDING ALTERNATING CURRENT ELECTRONIC TRIP CIRCUIT WITH ARC FAULT DETECTION CIRCUIT  
An electrical switching apparatus includes a transductor circuit that senses a direct current between at least one input terminal and at least one output terminal and outputs an alternating...
US20150015997 PASSIVE ARC PROTECTION FOR MAIN BREAKER LINE SIDE POWER CONDUCTORS  
In a switchgear cabinet, the line side power conductors upstream of the main breaker are surrounded with are attenuating/extinguishing channels and protective conduit in a location prior to the...
US20150146326 ELECTRIC ARC ELIMINATING APPARATUS  
An electric arc eliminating apparatus includes a power supply circuit, a voltage dividing circuit, a contacting unit, a triggering unit, a voltage control switch, an interface and a connector....
US20130107398 Limit Switch Interface Circuit  
A circuit for interfacing to a limit switch configured to be closed when a wire connected to the limit switch is relatively hot and configured to be opened when the wire is relatively cold...
US20070139829 Micro-electromechanical system based arc-less switching  
A system is presented. The system includes a first micro-electromechanical system switch. Further, the system includes arc suppression circuitry coupled to the first micro-electromechanical system...
US20140233136 Electrical Protection Device And Method  
A voltage measurement is made between two points in a circuit. If the measured voltage exceeds a predetermined amount, a switch is operated to electrically connect the two points.
US20110170217 THERMALLY PROTECTED SURGE SUPPRESSION DEVICE  
A thermally protected surge suppression device comprises a housing and a base seat with a mounting plate. The base seat is provided with a surge suppression component and a thermal protection...
US20100157486 ARC FAULT CIRCUIT INTERRUPTER AND METHOD PROVIDING IMPROVED NUISANCE TRIP REJECTION  
An arc fault circuit interrupter includes separable contacts, an operating mechanism and an arc fault detector structured to detect an arc fault condition operatively associated with the contacts....
US20100171062 COMPOSITIONS CONTAINING SULFUR HEXAFLUORIDE AND USES THEREOF  
A method for suppressing an electric arc or corona discharge includes providing a device capable of storing, transmitting, or generating an electrical current or field; and enveloping at least a...
US20090120773 METHOD FOR QUENCHING A FAULT ARC, WITHIN A MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHGEAR ASSEMBLY, AS WELL AS SHORTING DEVICE ITSELF  
The disclosure relates to a method for quenching a fault arc in a medium-voltage and high-voltage switchgear assembly, in which at least one shorting element is connected between the phases of a...
US20080225445 Arc-discharge protection device with temperature detection mode  
The present invention discloses an arc-discharge protection device with a temperature detection mode, which is used to detect the arc discharge persistently occurring in between an inverter and a...
US20060285260 Switching circuit using closed control loop to precharge gate of switching transistor and stable open loop to switch the switching transistor  
A switching circuit that transitions using a switch transistor. During the initial stages of a high-low transition, a control loop provides supplemental pre-charge to the gate of the switch...
US20120063036 SYSTEM AND APPARATUS FOR CIRCUIT PROTECTION WITHIN AN EQUIPMENT ENCLOSURE  
An arc transfer device for use in a switchgear includes at least one first electrical connector configured to connect the arc transfer device to a voltage supply within the switchgear, and a...
US20160372278 CAPACITIVE COUPLING-TYPE ARC EXTINGUISHING CIRCUIT AND APPARATUS HAVING SAME  
The invention relates to a capacitive coupling-type arc-extinguishing circuit and an apparatus. The capacitive coupling-type arc-extinguishing circuit includes a thyristor which is connected to...
US20160358721 ARC SUPPRESSOR, SYSTEM, AND METHOD  
Device, circuit, system, and method for arc suppression. A contact separation detector is configured to output an indication of a separation state of a pair of electrical contacts. A contact...
US20160329179 HIGH-VOLTAGE DC CIRCUIT BREAKER  
The present invention relates to a high-voltage direct current (DC) circuit breaker for cutting off a fault current from flowing through a line during a malfunction in a high-voltage DC line. A DC...
US20160322178 HIGH-VOLTAGE DC CIRCUIT BREAKER  
The present invention relates to a high-voltage direct current (DC) circuit breaker which interrupts a fault current flowing in a power transmission or power distribution DC line when a fault...
US20160322177 BIDIRECTIONAL DIRECT CURRENT CIRCUIT BREAKER  
The present invention relates to a bidirectional direct current (DC) circuit breaker for interrupting a fault current flowing through a DC line for power transmission or distribution in case a...
US20160118782 High Voltage Direct Current Soft-Start Circuit  
A high voltage direct current soft-start circuit is provided in which a first end of a first switch is connected to a negative electrode of a high voltage direct current, a first end of a second...
US20160007496 SPARK PREVENTING ELEMENT FOR PRINTED CIRCUIT BOARD  
A spark-preventing element embedded in a printed circuit board includes a capacitive output electrode, a capacitive input electrode, an interlayer conductive member electrically connecting the...
US20150340180 APPARATUS INCLUDING A CIRCUIT BREAKER ADAPTED TO SELECTIVELY PROVIDE ARC FLASH PROTECTION IN CONNECTION WITH A WIND TURBINE  
Apparatus to provide arc flash protection regarding a wind turbine. In one embodiment, a wind turbine (10) includes a wind turbine generator (12) to generate an alternating current power. A...
US20150325389 Two Terminal Arc Suppressor  
A two terminal arc suppressor for protecting switch, relay or contactor contacts and the like comprises a two terminal module adapted to be attached in parallel with the contacts to be protected...
US20130301165 RECEPTACLE WITH ARC PROTECTION CIRCUITRY  
An electrical receptacle includes at least one motion sensor for detecting movement of a blade of an electrical plug in the receptacle, an extraction detector operatively connected to the motion...

Matches 1 - 44 out of 44