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Patent Searching and Data


Matches 151 - 200 out of 13,033

Document Document Title
WO/2019/227873A1
The present invention provides a power failure protection control method for a permanent magnet synchronous motor control system, a power failure protection control device, and a permanent magnet synchronous motor control system. The pow...  
WO/2019/231759A1
A surge suppression circuit for a track circuit is provided. The surge suppression circuit comprises a first surge protection device including a first pair of silicon avalanche diodes and a second surge protection device including a seco...  
WO/2019/231673A1
In one example, an electrostatic discharge (ESD) protection circuit includes a first power supply having a first supply voltage, wherein the first power supply is connected to a first node. The ESD protection circuit also includes a seco...  
WO/2019/225509A1
[Problem] To provide a power source input circuit with which oscillation associated with an input current can be smoothly alleviated. [Solution] Provided is a power source input circuit comprising: a current detection resistor 21 for det...  
WO/2019/218423A1
Disclosed in the present invention are a flux linkage control-based transformer and a magnetizing inrush current suppression method. A small-capacity DC/AC converter is connected to a secondary winding or auxiliary winding of the transfo...  
WO/2019/217609A1
A protection device (100) includes a dynamic gate bias circuit (110). The dynamic gate bias circuit (110) includes an input pass switch (MN1) configured to receive a first input VIN (102) and a first control signal VINT (119); a voltage ...  
WO/2019/185559A3
The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect,...  
WO/2019/212730A1
A system (100) for indicating a service need for a surge protector includes a surge protection component. The surge protection component (118) conducts electrical power from the power source to a load when the electrical power has a volt...  
WO/2019/211361A1
Described is a protection circuit against electrostatic discharges for connecting pins of an application-specific integrated circuit, said protection circuit comprising a first connecting pin and a second connecting pin which are interco...  
WO/2019/210768A1
Disclosed is a method for rapidly eliminating the ferromagnetic resonance of a voltage transformer. The method involves: first sampling a three-phase voltage and an open-delta voltage of a voltage transformer; calculating a magnetic link...  
WO/2019/208473A1
This power consumption device is made to consume power until a current flowing through a power consumption element (for example, a resistance element) reaches a prescribed upper limit. A monitor voltage conversion unit 20 converts a volt...  
WO/2019/206658A1
The invention relates to a surge arrester (1) having a socket (10) for receiving a cable (8) (e.g. in order to electrically connect the surge arrester to a transformer). The surge arrester has a contact (13) for contacting a cable (8) th...  
WO/2019/206570A1
The invention relates to a grid influencing system of an electricity grid (4), comprising a current-conducting grid influencing component (6) and a short-circuiting device (8) that includes a circuit breaker (10). The invention in charac...  
WO/2019/205863A1
A surge protector module, comprising line varistors (4a, 4b) connected in series and a heat detaching unit (5). The heat detaching unit comprises elastic members (503a, 503b), insulating members (504a, 504b), alloys having a low melting ...  
WO/2019/205864A1
The present application discloses a novel thermally protected varistor, comprising a detachment device, a first varistor assembly, and a second varistor assembly. The first varistor assembly and the second varistor assembly are connected...  
WO/2019/206564A1
The invention relates to a method for reducing a thermal load on a switching element (SE) of an electronic fuse (SI) when switching on a load (L), said switching element being actuated by an actuation signal (AS) with a specified actuati...  
WO/2019/206964A1
The invention relates to a method for reducing a temperature increase in a switching element (SE) of an electronic fuse (SI) when switching on a load (L). The switching element (SE) is actuated by an actuation signal (AS), by means of wh...  
WO/2019/201356A1
A saturable reactor, a parameter tuning method and apparatus therefor, and a simulation device. The saturable reactor comprises: a main saturable reactor (10); a parallel branch circuit (20), comprising: a branch circuit resistor (21) an...  
WO/2019/197400A1
The invention relates to a fan filter device (3) that can be connected to a power supply unit (2), and a method for operating such a fan filter device (3). The fan filter device (3) comprises a fan unit (5), a filter receptacle (14), an ...  
WO/2019/196164A1
A surge protection circuit and apparatus for a ground resistance tester (10). The surge protection circuit comprises: a first clamping module (21), a second clamping module (22), and a third clamping module (23). By connecting the first ...  
WO/2019/197556A1
Protection device for protection against electromagnetic disturbances in electrical networks (200), the protection device (100) comprising an electromagnetic filter (1). The electromagnetic filter (1) comprises a first and a second input...  
WO/2019/192222A1
Disclosed is a power supply method suitable for a lightning arrester device, the lightning arrester device comprising: a lightning arrester body (101) and a grounding valve plate (102), wherein the lightning arrester body (101) is connec...  
WO/2019/192225A1
A lightning arrester, comprising: a lightning arrester body (101); a monitoring device configured to detect the condition that the lightning arrester body is subjected to electric shock; a grounding valve disc (102) connected between the...  
WO/2019/193059A1
The invention relates to a thermal protection device (100) comprising a housing (1) defining at least one cavity. In the housing a varistor (2) is partly embedded. The varistor comprises a contact surface (12). Furthermore, the housing c...  
WO/2019/192223A1
An arrester system, comprising: an arrester body (101); a monitoring device, used for detecting a case where the arrester body is subjected to an electric shock (101); a grounding valve plate (102), connected between the arrester body (1...  
WO/2019/193055A1
The invention relates to a thermal varistor protection device (1), comprising a casing (10), a varistor (2) embedded in the casing (10), wherein the varistor (2) comprises a first metallization electrode (21), which is only partly covere...  
WO/2019/185559A2
The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect,...  
WO/2019/184421A1
A sliding door control circuit, comprising a main control chip and a motor, and further comprising a protection circuit provided between the main control chip and a state switch of the sliding door; the main control chip acquires the lev...  
WO/2019/182653A1
A wireline release tool (700) for downhole intervention, the tool (700) including a housing (701) having an electrical input (702) and an electrical output (704); a pass-through switch (212) located inside the housing (701) and electrica...  
WO/2019/179139A1
Disclosed are a method and apparatus for determining the maximum output power of a high voltage generator. The method comprises the following steps: acquiring the residual power of at least one storage battery in a high voltage power sup...  
WO/2019/179624A1
A circuit arrangement for decaying of a transient current flow between a first point and a second point on a neutral line of a high-voltage direct current (HVDC) power transmission system is provided. The circuit arrangement may include ...  
WO/2019/176316A1
Provided is a control device for an on-vehicle apparatus, in which fluctuation of a ground potential is suppressed, and damage due to deviation of earth current can be suppressed when a ground part of a vehicle has an abnormality. The co...  
WO/2019/176299A1
Provided is a control device for an on-vehicle apparatus, in which fluctuation of a ground potential is suppressed, and damage due to deviation of earth current can be suppressed when a ground part of a vehicle has an abnormality. The co...  
WO/2019/169904A1
A low-cost input anti-overvoltage protection circuit capable of monitoring the magnitude of an AC input voltage in real time and controlling on/off of a switch device in a chopper circuit by means of a control circuit. When the AC input ...  
WO/2019/169611A1
An apparatus, an integrated circuit and a method for protecting a MOSFET are disclosed. The apparatus (400) includes: a first metal oxide semiconductor field effect transistor (MOSFET) (409) coupled between a first input terminal (402) f...  
WO/2019/164572A1
Methods and systems are provided for automatically coordinating protection settings for relays within an electrical power distribution network. A method includes using a graph traversal mechanism to analyze geographical-based equipment d...  
WO/2019/158180A1
The invention relates to a device for limiting the electrical current (I) flowing in a high-voltage line (4) with a transformer (6), which has a primary winding (8) and a secondary winding (14), wherein the primary winding (8) can be ser...  
WO/2019/158295A1
The invention relates to a compensation filter for damping common-mode interferences. The compensation filter has a current line, an electric amplifier, a decoupling circuit between the current line and an input of the electric amplifier...  
WO/2019/158289A1
The invention relates to a compensation filter for damping common mode interferences caused by an electrical load. The compensation filter has an operational amplifier, a capacitive element, one first and one second resistive element and...  
WO/2019/158748A1
The discharging device (6) according to the invention for actively discharging an electrical system or an electrically operated unit (1) comprises: a discharging circuit (8), which has a current limiting resistor (12) and a first switch ...  
WO/2018/065120A8
In order to achieve a universal, flexible and highly integrated operating device for driving various lamps, ensuring the protection of the entire operating device and of the appliances connected thereto by means of staggered protective m...  
WO/2019/148589A1
A safety electronic switch, comprising a first terminal (XSES1), a second terminal (XSES4), a third terminal (XSES3), surge voltage suppression units, a comparator, and a relay. The surge voltage suppression units are connected to a safe...  
WO/2019/149126A1
Disclosed is a circuit for use in a chip pin that releases a voltage on the chip pin and protects electronic components in a chip from being damaged. The present application comprises: a first transistor, a second transistor, a first sub...  
WO/2019/149385A1
The invention is concerned with a neutral arrangement (NA) for a converter station (RS) of a direct current power transmission system comprising a first converter (22) with such a converter station and with such a system. The neutral arr...  
WO/2019/149416A1
The invention relates to a device for protecting at least one consumer in an on-board power supply, particularly of a motor vehicle, comprising at least one switching means (32) for supplying at least one consumer (22, 26, 28, 46) with e...  
WO/2019/149559A1
The invention relates to a device, e.g. a machine for production. The device comprises a load circuit which generates a leakage current. The device also comprises a leakage current compensator having a unit for detecting the leakage curr...  
WO/2019/148910A1
A circuit with an electrostatic protection function, a high-voltage integrated circuit, and an air conditioner. The circuit with the electrostatic protection function comprises a voltage detection circuit (10), a main bleeder circuit (20...  
WO/2019/149378A1
Automotive auxiliary unit (10) with an electronic protection unit (16) comprising an inverse-polarity protection unit (18) with a semiconductor switch (20), and an overcurrent protection unit (22), wherein the overcurrent protection unit...  
WO/2019/144257A1
Provided herein are protection devices having a tubular ceramic part and a tubular metal oxide varistor (MOV) electrically coupled in series or parallel. In some embodiments, the tubular ceramic part is connected between a first electrod...  
WO/2019/141811A1
A crowbar device is provided. The crowbar device has a first terminal (1) and a second terminal (2), the terminals (1, 2) being connectible to a medium to high impedance AC voltage source (AV), the crowbar device comprising a trigger cir...  

Matches 151 - 200 out of 13,033