Matches 1 - 50 out of 204 1 2 3 4 5 >


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DE10148882B4 Method and apparatus for detecting a stator winding fault in an AC motor  
A stator winding fault detector for an AC motor, the stator winding fault detector comprising: a plurality of sensors (26a, 26b) for acquiring a set of current values ​​and a set of voltage values...
DE102004056436B4 Method and device for detecting residual current arcs in electrical circuits  
A method of detecting residual current arcs in which a current is measured in at least one line of a load circuit and a monitoring signal is generated using converted current measurements, wherein...
DE102018209114B3 Schutzschalter mit Überwachungseinrichtung und Method for this  
wherein when the circuit breaker (1) in a first switching state of the first electronic switch (S1) is activated, wherein at the first terminal (NC) by means of the monitoring device (Ü) is...
DE102017208851B4 Störlichtbogenerkennungseinheit  
Arc detection unit (SLEE) for an electrical circuit, comprising: an inductance (L), a photodiode (PD), both of which are connected to a control unit (SE) and which is designed such that the...
DE102017208851A1 Störlichtbogenerkennungseinheit  
Die Erfindung betrifft eine Störlichtbogenerkennungseinheit für einen elektrischen Stromkreis, aufweisend:- eine Induktivität,- eine Photodiode,die beide mit einer Steuereinheit verbunden sind und...
DE102013018071B4 CHARGING AND UNLOADING CONTROL DEVICE FOR DC CONNECTING CAPACITOR RELATED TO CONTROLLING ELECTRICAL POWER, AND METHOD THEREFOR  
A charge / discharge control device (100) for a DC link capacitor (C) in an electric power control relay, comprising: a DC link capacitor (C) configured to turn on the electric power control relay...
DE19960804B4 Method and apparatus for testing a circuit breaker for arcing line faults  
Device for testing a line circuit breaker for line faults in a branch circuit, the device being designed as a plug-in module (5) and having a housing (30) which is plugged into a socket (33) by...
DE112016004170T5 Electrically conductive system and plug  
An electrically conductive system and a plug are provided which prevent arc discharge by shutting off the power supply in a state before the arc discharge occurs. The plug of one strand is...
DE10355086B4 Method for determining the ohmic insulation resistance of a grounded AC network  
Method for determining the ohmic insulation resistance of a grounded, single- or multi-phase, operational, with or without DC superposition by connected loads, such as converters, working AC...
DE102016219851A1 Protection device for a power supply network, method for protecting a power supply network and high-voltage battery supply  
The present invention relates to a signaling of a detected arc fault within a power grid by feeding a high-frequency signaling in the power grid. In this way, the fed high-frequency signaling can...
DE102016219849A1 Apparatus and method for detecting an arc fault and power supply with a device for detecting an arc fault  
The present invention relates to the detection of an arc fault in an electrical power supply. For this purpose, a voltage supplied on the input side is compared with a voltage provided in the...
DE202017104185U1 Extension cable for charging electric vehicles  
An extension cable for charging electric vehicles, characterized in that the extension cable is connected at one end to the household power supply and at the other end to a charging gun (20) of...
DE112015003721T5 Piezoelektrische Sensoranordnung und Sensoranbringungsanordnung und elektrisches System das diese einsetzt  
Eine piezoelektrische Sensoranordnung ist für ein elektrisches System vorgesehen. Das elektrische System weist eine Sensoranbringungsanordnung und eine Anzahl von elektrischen Leitern auf. Die...
DE102015220162A1 Control device for a vehicle with an arc sensor  
The invention relates to a control device, in particular a control device for a vehicle, electric vehicle or hybrid vehicle. The control device has a detection device for detecting an arc. The...
DE212014000258U1 Sensor for detecting abnormal conditions of a container element and within the volume in the container element  
A sensor (10) for abnormal conditions of a container element (50) and the volume (V) in the container element, the sensor comprising: emitter means (11) configured to generate a first light beam...
DE10318951B4 Device and method for detecting arcs in a circuit, in particular in a motor vehicle network  
Apparatus for detecting arcs in a circuit, in particular a motor vehicle electrical system, comprising - filter means which can at least transmit individual frequency ranges of a current flowing...
DE112015001616T5 Error detection and zone localization system  
A method for protecting a power distribution system from an error on a feed conductor thereof is provided wherein an HFAC signal is provided to the feed conductor from a position downstream of the...
DE102015204376A1 Method and apparatus for detecting an arc  
The invention relates to a method (200) for detecting an electric arc (102) in a direct current line (104) of a photovoltaic installation (106), wherein in a step (202) of processing a co-current...
DE102012011072B4 Fault indication for an electronic device, in particular surge  
Fault indication for an electronic device, in particular surge with an error signaling element (5), wherein the electronic device at least two on different fault or overload conditions have...
DE112014001200T5 Overcurrent protection device and method  
There are a protection system and a method for power supply lines with a current measuring device for monitoring the current (i) in the protected power supply line (10) and a power switch (13-1,...
DE10196360B3 Camera system with a safety circuit  
Camera system comprising a base station and a camera that is connected via a detachable cable with the base station, the cable having at least two conductors, characterized in that the base...
DE112012007032T5 Funkenprüfvorrichtung  
The invention provides a method and apparatus for electronically checking the safety of energy sources, such as electrical circuits, ready in explosive atmospheres, such as in high-risk situations...
DE10333674B4 Arc Guard System in an electrical system  
Arc monitoring system for a load circuit in an electrical system (15), the arc monitoring system comprises means for detection and interruption of serial arcs which associated in the load circuit...
DE102013018071A9 LOADING AND FOR discharge control DC-LINK CAPACITOR IN RELAY FOR CONTROLLING ELECTRIC POWER, AND METHOD THEREFOR  
Embodiments of the present invention relate to a loading and unloading apparatus for a DC link capacitor (C) in a relay for electric power control in which the electric power control switches on...
DE102013018071A1 LOADING AND FOR discharge control DC-LINK CAPACITOR IN RELAY FOR CONTROLLING ELECTRIC POWER, AND METHOD THEREFOR  
Embodiments of the present invention relate to a loading and unloading apparatus for a DC link capacitor (C) in a relay for electric power control in which the electric power control switches on...
DE102013114979A1 Energy distribution systems and methods of operation of a power distribution system including arc flash detection  
Described is an arc flash relay system (136) for use in a power distribution system that includes an arc flash sensor (138), a first circuit protection device (104, 106) and a second circuit...
DE112012001189T5 Processes, systems and equipment to detect the parallel electrical fault arcs  
In one aspect, a method for detecting errors arcing is disclosed with a dynamically changeable slope threshold. The method may include monitoring a current waveform to determine a peak amplitude...
DE19720182B4 Method and apparatus for eliminating errors due to decaying shifts from measured power system faults  
A method for eliminating faults in at least one measured current value of a current of a power supply system due to a decaying DC component, said method comprising the steps of: Generating at...
DE202012011374U1 Electrical surge protection device  
Electrical surge protection device (1), characterized in that the electric surge protector device (1) via a storage means (MEM) for storing data and a built-in NFC interface (IO) has, what data to...
DE102011076906A1 A method for operating an inverter and inverter  
The invention relates to a method for operating an inverter, in particular pulse-controlled inverter, wherein the inverter multiple phase systems (2, 3, 4) each having an outer conductor (7, 8, 9)...
DE112009002062T5 Automation devices with integrated communications servers  
A protection relay with integrated communication device may include a protective relay portion to perform protective relay operations associated with a load, which is operatively connected to the...
DE202011051561U1 Device for interrupting and / or limiting a direct current  
Device for interrupting and / or limiting a DC current of a DC power transmission system, the apparatus comprising a plurality of power semiconductor switching elements (102), each power...
DE112010002582T5 STÖRLICHTBOGENERKENNUNGSSYSTEM  
It is disclosed an apparatus for detecting arcing faults. The device comprises a fiber optic sensor for detecting characteristics of an arc fault and a processor for processing at least two...
DE112008003473T5 Industrial arc fault circuit interrupter and method of detecting arcing conditions  
A switch (2) comprising: a number of poles, each of said number of poles comprising a pair of separable contacts (4A, 4B, 4C); an operating mechanism (6) constructed for opening and closing said...
DE102009031647A1 Device for limiting short-circuit current in low-voltage plant for alternating current, comprises monitoring unit for sending error signal corresponding to fault arc, and current detection unit for transmission of overcurrent signal  
The device comprises a monitoring unit (LWL,LS) for sending an error signal (Fs) corresponding to a fault arc (SL), and a current detection unit (SS) for transmission of an overcurrent signal...
DE102009019831A1 circuitry  
The present invention relates to a circuit arrangement (1) for electrically coupling a DC power source (2) with a direct current consumer, comprising a first and second current input node (11, 12)...
DE19736181B4 Means for transmitting data to a transponder unit  
Means for transmitting data between a stationary object and a relative thereto movable object using a transponder unit (10) and a transmitting and receiving unit (1), wherein the stationary object...
DE10196629B4 Sensor system for a powered closing system and method for required preventing the closure of a driven locking system  
Sensor system (200) for a power locking system comprising: a) a data processing unit (210) b) a drive motor (240), coupled to the data processing unit (210) for controlling and driving a closing...
DE10066242B4 Communicative breaker  
Circuit breaker comprising in a housing - A breaker device (11) for connecting or disconnecting a load from a power source, - A current detecting means (4) for detecting the load powering phase...
DE102007044632B3 Control assembly for switching device, has contact element for producing force-fit and electrical connection between by-pass switching component and power element assembly of switching device  
The assembly (20) has a by-pass switching component (30), and a contact element (22) that produces an electrical connection with contact points of a power element assembly of a switching device....
DE112007000244T5 Wireless system for one or more electrical switching devices  
On System (300; 350; 390; 410; 440) for displaying information of or for controlling an electric switching device, wherein the System comprising: at least one electrical switching device (302;...
DE19825383B4 The electronic trip device for a circuit breaker with a Rogowski current transformer  
Electronic triggering device for one Circuit breaker (1) having a in a main current path (2) of the Circuit breaker (1) arranged in current sensing coil (10), wherein the output of the current...
DE112004002811T5 Improved microchannel heat sink  
Microchannel heat sink comprising a micro channel for receiving a working fluid to dissipate the heat, and one or more recesses disposed in one surface in communication with the microchannel to...
DE102007016651A1 Leadless integrated circuit protective device  
A Circuit protection device comprises a fuse which is in electrical Compound with first and second conductors is placed. An overvoltage protection component is in electrical communication with the...
DE10162255B4 Residual current protection device  
Residual current protection device, with a summation current transformer (2), the secondary side via a signal conditioning circuit (5) having a full-wave rectifier (30) for bipolar rectification...
DE10215019B4 Vorrichtung zum Erfassen von elektrischen Differenzströmen  
Vorrichtung zum Erfassen von elektrischen Differenzströmen, insbesondere von Mischströmen aus glattem Gleichstrom und Wechselströmen, welche über wenigstens zwei Leiter (1) für zu überwachende...
DE112004002304T5 Decoupling for co-packaged semiconductor devices  
Semiconductor device comprising: at least two separate circuit units which are installed by SEW in a way that for a first unit a Coupling by parasitic Impedance connected between the first unit...
DE10041879B4 Method and apparatus for current measurement  
process to measure the load current in a motor vehicle electrical system, in which the drop across a shunt resistor in series with the load Voltage difference is measured and the load current from...
DE102004039601B3 Circuitry for protecting a conductor element against overcurrent  
The Invention relates to a circuit arrangement (01, 15, 21) to protect a conductor element (02), in particular a flat conductor, in a motor vehicle against overcurrent with a first measuring...
DE10156609B4 Fuse unit and fuse assembly  
fuse unit (1) with three through a differential release coupled together, certain tripping curves having backup paths (A, b, c), characterized, that the tripping characteristic a backup path (eg...

Matches 1 - 50 out of 204 1 2 3 4 5 >