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Matches 1 - 50 out of 12,121

Document Document Title
WO/2018/180141A1
In this invention, a switch circuit (10) to which the switch circuit structure is applied, brings a switch terminal (20) and a connection terminal (24) into a connected state or a non-connected state, thereby switching a switch (12) on o...  
WO/2018/177770A1
The present invention relates to a diagnosis of the switch elements in an inverter, in particular an inverter of an electric drive system. To this end, an intermediate circuit capacitor of the inverter is charged and, selectively, either...  
WO/2018/177772A1
The invention relates to the diagnosis of the switching elements in a bidirectional DC-to-DC voltage converter. By charging a capacitor in the DC-to-DC voltage converter and then specifically actuating the switching elements and evaluati...  
WO/2018/173066A1
Disclosed is an electrical circuit protection device (100) for use in electrical circuits. The electrical circuit protection device (100) includes an electric fault detection and isolation device (104) to protect from overvoltage and an ...  
WO/2018/165653A1
Recloser apparatuses, methods and systems are disclosed. In one embodiment a recloser includes a vacuum interrupter coupled with first and second electrical terminals. A driving structure is coupled with the vacuum interrupter. An electr...  
WO/2018/157931A1
A safety circuit coupled between a first direct current (DC) circuit and a second DC circuit, wherein the first DC circuit supplies power to the second DC circuit. The safety circuit comprises a first series connection between positive p...  
WO/2018/160530A1
Wireless communication enabled circuit breakers are described. Methods associated with such wireless communication enabled circuit breakers are also described. The wireless communication enabled circuit breakers may controlled by a remot...  
WO/2018/159041A1
Provided is a control circuit for causing a movable contact point in a switch device to return at a high-speed compared to prior art. This switch device contains a first switch element having a movable contact point, and a drive coil for...  
WO/2018/146942A1
[Problem] To provide an arc-suppressing device capable of suppressing the occurrence of an arc even at shutdown time of a large current. [Solution] Provided is the arc-suppressing device comprising: a current-limiting circuit installed i...  
WO/2018/139636A1
A pulse control device 10 comprises: a switch output unit 100 which generates a pulse output voltage Vo from a direct-current input voltage Vi and supplies the pulse output voltage Vo to a load (such as a relay coil 21 of a mechanical re...  
WO/2018/134050A1
A relay arrangement (1) comprises at least two series-connected relays (2, 3) which are connected mechanically and electrically to a main circuit board via first connections (9, 10, 15, 16) and second connections (7, 8, 17, 18), and at l...  
WO/2018/135036A1
A heating device comprises a passive element, a relay, a relay drive unit, and a control unit. The relay is connected to the passive element in series. The relay drive unit supplies the relay with an activation current for transitioning ...  
WO/2018/131307A1
[Problem] To provide, in an arc-suppressing device for blocking an alternating current power, an arc-suppressing device capable of extending the lifespan of a circuit breaker switching between supplying and blocking an alternating curren...  
WO/2018/123036A1
Provided is a relay device comprising: a capacitor 32 included in a charger 100, and a discharge circuit which discharges an electric charge charged in the capacitor 32. The discharge circuit has: a discharge resistor 31; a first relay s...  
WO/2018/111579A1
A wireless relay may include a housing; an output, disposed within the housing; and a wireless interface, disposed within the housing, wherein the wireless interface is to receive wireless communication signals including settings to conf...  
WO/2018/109404A1
The invention relates to an electrical power contactor (200) comprising a local electrical ground plane (230) intended to be electrically connected to a reference potential 0 Vdc of an electrical power supply (300) of the power contactor...  
WO/2018/108725A1
The invention relates to a circuit arrangement (100) for energizing and discharging a coil (140), comprising a rectifier (1 10), in particular comprising four diodes (D1, D2, D3, D4), a first resistor (R1), a semiconductor switch (150) a...  
WO/2018/100506A1
Electrical step relay structure of bistable type com prising a mechanical part and an electrical part; said mechanical part comprising push-button means that can be actuated by a user and said electrical part comprising coil means, capac...  
WO/2018/090972A1
Provided is a contact protection circuit of a relay, comprising: a first control module (11) and a second control module (12) which are connected in parallel to each other and have two ends respectively electrically connected to an AC in...  
WO/2018/086366A1
An arcless breaking device of a contactor, a contactor, and an arcless breaking method. The contactor comprises a first stationary contact (11), a second stationary contact (12), and a first movable contact (13). The arcless breaking dev...  
WO/2018/078975A1
Provided is a power supply device, comprising: a latching first relay interposed between a system power source and a load and having a switch, a trip coil for opening the switch, and a closing coil for closing the switch; a power storage...  
WO/2018/073164A1
An electrical assembly (10) comprises a device (12). The device (12) includes an inductive coil (14) and an armature (16). The armature (16) is arranged to be moveable between first and second positions when the inductive coil (14) is en...  
WO/2018/066063A1
According to an embodiment of the present invention, a power conversion device (100) includes: a capacitor (8b) that charges or discharges electric charges when a voltage is supplied from a power supply (1); a relay (5a), which is dispos...  
WO/2018/059649A1
A relay circuit has a voltage source (40), a relay (10a, 10b) having a coil (30) connected parallel to the voltage source (40), and a switch (42a, 42b) connected in series with the coil (30) of the relay (10a, 10b). A capacitor (50a, 50b...  
WO/2018/054578A1
The invention relates to a starting device (100) for an internal combustion engine of a motor vehicle with an electric machine (110), which is designed to start the internal combustion engine, and with an on-board electrical system (105)...  
WO/2018/049834A1
An energy-saving relay pertaining to the field of relays, and comprising a relay body and further comprising an energy-saving circuit in series with a coil in the relay body. The energy-saving circuit comprises a module for voltage regul...  
WO/2018/036850A1
The invention relates to a safety-related switching device (10) which is equipped with an electromagnetic coil (12), a control unit (20) and a first switching means (22). The first switching means (22) is designed to activate and deactiv...  
WO/2018/024832A1
The invention relates to a soft starter (10) for connecting at least one main circuit (12, 14, 16), each of which includes a bypass circuit (20) having a semiconductor switch (22). Said soft starter (10) comprises a control unit (40) for...  
WO/2018/026097A1
Disclosed is an electromagnet driving circuit device. The electromagnet driving circuit device comprises a voltage output unit, an electromagnet, a voltage control unit, at least one switch, and a direction control unit. The voltage outp...  
WO/2018/020829A1
In order to improve, without the use of complicated control and special devices, the service life of contacts of a relay for driving a brake of a hoisting machine in which an inverter control is used, this hoisting machine is characteriz...  
WO/2018/006487A1
A contactor coil control circuit comprising a switch control circuit, a drive circuit, a quick shut-off circuit, a diode D1, a first MOS transistor TR1 and a contactor coil. The quick shut-off circuit at least comprises an MOS transistor...  
WO/2018/008360A1
Provided is a relay device which is applicable to a system that may supply power to a load through at least two power storage units, and which, if an anomaly such as an open failure occurs in the path of either of the power storage units...  
WO/2017/217360A1
Provided is a relay device wherein a defect, due to the occurrence of a reverse flow of an electric current in any path, may be prevented. A control unit (12) provided in the relay device (10) functions as a switching control unit, maint...  
WO/2017/209915A1
Apparatus and method for latching one pole contact of at least one springy pole in a relay or hybrid switch for maintaining an engaging or disengaging state of at least one first contact with said pole contact by a mechanical latching de...  
WO/2017/205897A1
A method for operating a fail-safe programmable solid-state relay, the method comprising the steps of performing a set of self-tests at an initial start-up and cyclically during the powered state of the solid-state relay, wherein a self-...  
WO/2017/206365A1
A single coil magnetic latching relay control circuit and a method, the circuit comprising: a first control circuit (21) and a first single coil magnetic latching relay coil (22), the first control circuit (21) comprising: a first triode...  
WO/2017/207403A1
The invention relates to a safety switching device (10) for fail-safe disconnection of an external load (34) having a first pole (28) and a second pole (32). The safety switching device (10) comprises a first terminal (26) for receiving ...  
WO/2017/204038A1
In a power supply control device (10), if semiconductor switches (20a, 20b) of a switch circuit (2) are on, and a relay contact point (30) is off, a control unit (58) determines whether a switch current value (Is) detected by a current s...  
WO/2017/200539A1
A system (100) and method is provided that facilitates functional safety monitoring of relay contacts. The system may include a contactless sensor circuit (108) that includes: an output signal antenna (110) positioned in the contactless ...  
WO/2017/199947A1
In this power supply control device (10), the supply of power is controlled through a switch circuit (2) and a relay contact (30). In case where semiconductor switches (20a, 20b) are ON and a relay contact (30) is OFF, if the switch temp...  
WO/2017/200747A1
Multiple relays are connected in parallel by including one or more semiconductor devices connected across the relay contacts. The semiconductor devices are triggered to conduct and shunt transient currents during the opening and closing ...  
WO/2017/194295A1
The invention relates to a method and a device for determining the movement profile of a solenoid plunger in a solenoid.  
WO/2017/194546A1
The invention relates to a monitoring arrangement (10, 100) for monitoring a security device (11, 111) comprising a) a first electric supply source (15) which is connected to an input terminal (12) for connecting an input of the security...  
WO/2017/184418A1
Provided herein are improved relay protection systems that can detect a short to ground condition on an output of a relay. A relay protection system can bias an output of the relay. The output of the relay can be monitored to determine i...  
WO/2017/178325A1
The invention relates to a switch test device (10) for testing a switch (2), which comprises an energy store (32) and an electromechanical drive (34) fed by at least the energy store (32) when the switch is actuated. The switch test devi...  
WO/2017/174994A1
The present invention provides a fault monitoring system for detecting connectivity faults in a device control centre. The fault monitoring system comprising for the or each control section, at least a first pair of temperature sensors, ...  
WO/2017/162396A1
The invention relates to a device (10) for measuring a condition of an electric switch (1), the device (10) being designed to tap a voltage at main contacts (2a, 2b) of the electric switch (1). The invention also relates to an electric s...  
WO/2017/159307A1
The present invention ensures the supply of power to a load even in the event of a short circuit or open circuit failure in one of two power supplies that provide redundancy for supplying power to the load. This power supply box is equip...  
WO/2017/159069A1
Provided is an operation coil drive device for an electromagnetic contactor capable of reliably detecting the adsorption state of a movable iron core without using a position sensor or a timer. The present invention comprises: a current ...  
WO/2017/159070A1
Provided is an operation coil drive device for an electromagnetic contactor, capable of confirming the operation resistance value for an operation coil and capable of obtaining a suitable operation coil current for operation conditions. ...  

Matches 1 - 50 out of 12,121