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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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...
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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 ...
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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...
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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 ...
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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...
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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 ...
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WO/2017/194295A1 |
The invention relates to a method and a device for determining the movement profile of a solenoid plunger in a solenoid.
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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...
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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...
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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...
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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, ...
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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...
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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...
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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 ...
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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. ...
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WO/2017/140350A1 |
The invention relates to a safety switching device (10) comprising a control side (40) with at least one single-error tolerance, having a first and second control unit (12, 14), each formed on an actuation side (50) for emitting a switch...
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WO/2017/137279A1 |
The invention relates to a modular safety switching apparatus (100) for controlling a plurality of electrical devices. The modular safety switching apparatus (100) comprises a first safety switching module (101) having a first switching ...
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WO/2017/126486A1 |
The present invention provides a transformer for a breaker circuit with which it is possible to actuate a breaker instantly to break a circuit in the event of an overcurrent such as with a short. The transformer for a breaker circuit (4)...
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WO/2017/118558A1 |
The invention relates to a control device for an electromagnetic drive of a switchgear, comprising a plurality of network parts (101, 102), each of which is configured to provide an electrical power sufficient for operating the electroma...
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WO/2017/113843A1 |
An energy-saving circuit for a contactor, comprising a coil driver circuit, a rectifier and filter circuit, a PFC circuit, an auxiliary power supply circuit, and a square wave generation circuit. The square wave generation circuit output...
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WO/2017/116847A1 |
A notification system including an electrical receptacle and a notification control unit. The electrical receptacle includes an outlet configured to receive an electrical device and a switch. The switch is configured to determine when th...
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WO/2017/102025A1 |
For providing a very simple and reliable monitoring of the functionality of contacts together with a high flexibility of selection of the contacts a method for monitoring the functionality of redundantly interconnected contacts is provid...
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WO/2017/102403A1 |
The invention relates to a starting device for an internal combustion engine, comprising a resistor unit with an NTC resistor element in the circuit, said NTC resistor element being located on a contact portion which is adjoined by a the...
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WO/2017/099341A1 |
The present invention relates to a smart temperature measuring device wherein temperatures (T) measured with regard to terminals of respective phases (R, S, T) of a circuit breaker are displayed through first, second, and third display u...
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WO/2017/093552A1 |
The present invention relates to a circuit arrangement for actuating an electromagnetic drive system for electromechanical devices, in particular comprising a mechanically locked end position, at least one control voltage source (UB), at...
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WO/2017/089548A1 |
The invention relates to a switching apparatus (100) for actuating at least one switching device (210, 221, 222, 310, 321, 322) comprising a control unit (110) which is designed to actuate the at least one switching device (210, 221, 222...
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WO/2017/085798A1 |
The purpose of the present invention is to safely use a relay without causing a contact failure in an inrush prevention circuit of a power conversion device, said relay switching between a voltage at contact time and a voltage at hold ti...
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WO/2017/080963A1 |
The invention relates to a method for controlling an electromagnetic drive of a switching device by means of a program, wherein a processor configured by the program carries out the following steps: measuring a control voltage applied to...
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WO/2017/068764A1 |
An electromagnetic relay has a contact device, an electromagnet device, a power supply unit, a switch unit, and a control unit. The contact device has a movable contact and a fixed contact. The electromagnet device has a coil and a movab...
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WO/2017/063933A1 |
The invention relates to a control device for an electromagnetic drive of a switching apparatus, comprising a power supply unit (10) for generating a starting direct voltage and a holding direct voltage for the electromagnetic drive (12)...
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