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Patent Searching and Data


Matches 201 - 250 out of 4,774

Document Document Title
WO/2013/100472A1
The present invention relates to a power cut-off device for a surge protector apparatus. The power cut-off device for a surge protector apparatus (100) cuts off power when the temperature of a varistor (110) installed inside a surge prot...  
WO/2013/097591A1
A protector for preventing a lithium battery from being charged by an overvoltage adopts two shaft-like temperature fuses in series, the temperature fuses being connected in series in a positive electrode loop of a circuit; one end of a ...  
WO/2013/092066A1
The present invention discloses a protection apparatus for an IT network having a first and a second live line, having a signal generator which is designed to feed a first signal to the first and/or to the second live line, having a dete...  
WO/2013/091689A1
The invention relates to a separating device (1) for direct current interruption between a photovoltaic generator (11) and an electrical apparatus (12), in particular an inverter, comprising a mechanical switch (4) and a semiconductor sw...  
WO/2013/085414A1
The invention relates to the field of electrified transport and is intended for protecting an electrical power supply system of a vehicle from short-circuit currents. An insulator of a device for protecting the electrical circuits of an ...  
WO/2013/076880A1
The purpose of the invention is to make it possible to prevent the damage of a load device even if a second overcurrent relay is made to return. A power supply circuit is equipped with an excess current protection device (30) provided be...  
WO/2012/110913A3
A system (116, 120) for electrically limiting leakage current in a patient- connected medical device (100). The system (116, 120) includes a first set (116) of one or more switching devices (118) that selectively connect a first power ou...  
WO/2012/045788A3
The subject matter of the invention is a power supply appliance (12) having an open-loop and/or closed-loop control device (22), a reference potential connection (26), at least one voltage potential connection (28) and a ground connectio...  
WO/2013/000762A3
The invention relates to a photovoltaic module (1), comprising at least one solar cell (2) and a socket outlet (6), wherein the socket outlet (6) has the voltage outputs (4, 5) of the photovoltaic module (1), wherein an evaluation and co...  
WO/2012/154970A3
A circuit-interrupting system for interrupting an electrical current to a device is provided including a relay assembly configured to be operable in a closed state when a sensed temperature is below a predetermined threshold, thereby mai...  
WO/2013/020284A1
A charging pole for electric vehicle (EV) and a detecting method thereof. The charging pole (300) comprises a main switch (302), a main contactor (304), a second contactor (305), a charging coupler (306), at least one sensor (308) and a ...  
WO/2013/000628A1
An electronic module (100) has a first and a second circuit (200, 300) with respective first and second output connections (230, 330), respective first and second reference potential connections (220, 320), and respective first and secon...  
WO/2012/170734A1
A light-emitting diode (LED) bulb has an LED within a shell. The LED bulb also includes a driver circuit for providing current to the LED. The drive circuit has a thermal protection circuit, which includes a thermistor having a positive ...  
WO/2012/163579A1
The invention relates to a method for operating an inverter (1), in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor compon...  
WO/2012/163580A1
The invention relates to a method for operating an inverter (1), in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor compon...  
WO/2012/160700A1
A control apparatus (20) discharges residual charges of capacitors (C0, C1) by controlling switching elements (Q3, Q4) of an inverter (14) to be in a conducting state when vehicle collision is detected by means of a collision sensor (22)...  
WO/2012/154970A2
A circuit-interrupting system for interrupting an electrical current to a device is provided including a relay assembly configured to be operable in a closed state when a sensed temperature is below a predetermined threshold, thereby mai...  
WO/2012/065897A3
The invention relates to a device (1) and to a method for protecting a charging cable (2) serving to charge electric vehicles. The charging cable comprises at least one phase conductor and a first control line, the voltage level (Us) of ...  
WO/2012/134622A1
A system (300) for controlling a network access device (310) is provided. The system includes a processor (in 312), the network access device, and a control circuit (316). The processor is in communication with the network access device ...  
WO/2012/126781A1
The invention relates, among other things, to a method for controlling an electrical system (90), in particular an energy distribution system, comprising at least one transformer (92). According to the invention, the temperature in the i...  
WO/2012/122733A1
A water immersion protection apparatus for an electronic device is disclosed, which comprises a processing module (4), a limit condition detection module and a switch module (5). Wherein, the processing module is connected to the limit c...  
WO/2012/122852A1
Disclosed are An electric motor winding temperature detection method and device as well as an electric motor thermal protection method and device. The electric motor winding temperature detection method comprises the following steps: acq...  
WO/2012/022345A4
The invention relates to a method which can be used to switch photovoltaic modules (PV modules) in a PV installation to a safe state in the case of a hazard. Control units (3), which are each associated with a PV module, are used to meas...  
WO/2012/086057A1
A power supply system (105) for supplying drive power to a load apparatus (180) is provided with a power storage apparatus (110) and an ECU (300). The power storage apparatus (110) comprises a CID that is configured to be activated when ...  
WO/2012/081659A1
Provided is a protective device having a bimetal switch that allows a high level of flexibility to be achieved, and operation of the bimetal element to be controlled more accurately. The protective device has a bimetal switch (12), in wh...  
WO/2012/077284A1
A load circuit protective device calculates increasing temperature of wire of a load circuit with a first predetermined sampling period (dt1) determined by a clock signal for normal operation when a semiconductor relay (Q1) is on to esti...  
WO/2012/022345A3
The invention relates to a method which can be used to switch photovoltaic modules (PV modules) in a PV installation to a safe state in the case of a hazard. Control units (3), which are each associated with a PV module, are used to meas...  
WO/2012/075001A2
A safety overheat protection circuit for flexible heater wire used in heating pads and electric blankets. The heater wire includes a low melt temperature fuse-able layer and a conductive core. A polymetnc positive temperature coefficient...  
WO/2012/047605A3
A system for protecting a three-phase electric motor of a compressor, the motor receiving first, second, and third phases from a three-phase power supply, the system including a single-phase line break protector, a first current sensor, ...  
WO/2012/060811A1
Power delivery systems and methods are provided. A power delivery system (100) can include a thermal device (140) disposed at least partially within the external power delivery device (110). The thermal device can be configured to output...  
WO/2012/057787A1
Techniques associated with energy storage devices are generally described. An example energy storage device includes a battery integrated with a sensor such as an optical waveguide. The sensor can be arranged in contact with an outer wal...  
WO/2012/056084A1
The present invention provides a safety device (1) having an input and an output for electrical receptacle, wherein the electric power from the input is arranged to pass through the device through a switch unit to the output, said switch...  
WO/2012/051693A1
An intrinsically safe supply for supplying back-up power during a power-out event incorporates one or more rechargeable fuel cells. The power supply is provided with switching circuitry operable to provide an output back-up current from ...  
WO/2012/049196A1
The invention relates to an operating device (1) for at least one luminous element (2), comprising a means for measuring a temperature (T) present in the operating device (1) or in the surroundings of the operating device, at least one i...  
WO/2012/047605A2
A system for protecting a three-phase electric motor of a compressor, the motor receiving first, second, and third phases from a three-phase power supply, the system including a single-phase line break protector, a first current sensor, ...  
WO/2012/016939A1
The invention relates to a measuring system for measuring a current of a circuit breaker flowing through a conductor (9). In order to prevent damage to the measuring system, in particular due to thermal overload and/or mechanical influen...  
WO/2012/012985A1
A protection circuit for an outlet includes: a switch control circuit (101), the input terminal of which is connected with a direct current power supply or an alternate current power supply; an automatic load detection circuit (102) for ...  
WO/2012/010193A1
The present invention relates to an arrangement to detect a ground fault in an AC electric circuit (1) comprising an electric machine (10) having a neutral point (14) connecting to a neutral point and a terminal side (13), and a unit tra...  
WO/2011/153788A1
A solar photovoltaic generation system comprises a photovoltaic generation unit, a trigger unit (2) and an inductor (3). The photovoltaic generation unit is divided into multiple photovoltaic generation sub-units (1). The trigger unit (2...  
WO/2011/152526A1
A control device for an electric power converter is provided with an average loss calculation unit (202) which calculates an average loss of a semiconductor element in a cycle in which the temperature of a semiconductor element is estima...  
WO/2011/074861A3
The present invention provides a pipe and pipe assembly for a power supply line for an online electric vehicle, an automatic power supply facility management system and a control method thereof, which can prevent the power supply line us...  
WO/2011/079357A1
System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and similar, notably for a system that through the use of sensors and other electronic compone...  
WO/2011/069548A1
The present invention relates to a fault detection system for detection of line faults on an electrode line in an HVDC system wherein the electrode line comprises a first and second branch connected in parallel. The fault detection syste...  
WO/2010/122467A4
'Firevoider' is a set of apparatus that combine and analyze electronic signals from Hall Effect sensors, current transformer, Pyroelectric infrared sensor, ionization chamber smoke sensor, to determine the imminence of fire hazard. On de...  
WO/2011/051628A2
The invention relates to a facility (20) for producing electric current using solar radiation, which is built into a building (1) and includes at least one photovoltaic generator (22) as well as a short-circuiting switch (80) suitable fo...  
WO/2011/050568A1
An electric device and a high temperature self-protecting method thereof. The electric device includes a housing sealed in its entirety, a plurality of function modules arranged in a cavity surrounded by the housing, and a main chip (1) ...  
WO/2011/052623A1
Provided is an inverter device (2) provided with a direct-current power source (4), switching elements (S) and free wheel diodes (D) which are connected to the direct-current power source (4), a means which converts direct-current voltag...  
WO/2011/040295A1
Provided is an overcurrent cutoff device (10) that is provided with: a heat generating unit (21) that is placed serially within a path that starts from a battery (B) of a vehicle and reaches, via a wire, a motor (M), and a heat sensing u...  
WO/2011/037170A1
A power supply control device is provided between a power source and a current path and includes: a switch circuit which changes over between current passageand non-current passage from the power source to a load; and a current path prot...  
WO/2010/122467A3
'Firevoider' is a set of apparatus that combine and analyze electronic signals from Hall Effect sensors, current transformer, Pyroelectric infrared sensor, ionization chamber smoke sensor, to determine the imminence of fire hazard. On de...  

Matches 201 - 250 out of 4,774