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WO/2021/229487A1 |
The present invention discloses a system (100) and a method for protecting an electric power distribution system integrated with a hybrid machine-learning model (HMLM). The system comprising a cloud/ communication network (103), a plural...
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WO/2021/230065A1 |
In this power feed control device (10), drive circuits (D1, D2) individually switch respective FETs (31, 32) on or off to control power feed to loads (E1, E2). In a state in which a connection destination of a fuse element (F1) is the FE...
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WO/2021/228669A1 |
The invention relates to a surge detector comprising a transformer comprising a primary winding arranged to receive a fraction of a surge current and a secondary winding magnetically coupled to the primary winding and arranged to output ...
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WO/2021/225280A1 |
The present invention relates to a semiconductor circuit breaker and, more specifically, to a semiconductor circuit breaker having a detachable interface module. The semiconductor circuit breaker according to an embodiment of the present...
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WO/2021/219799A1 |
The invention relates to a vehicle circuit assembly (1) for supplying an electric load (2) with a vehicle on-board voltage (UFB) in order to detect an overload, said electric load (2) having a specifiable nominal power. The vehicle circu...
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WO/2021/222162A1 |
A fault detection system for a system having a single DC input and a plurality of A/C loads such as an electric or hybrid electric vehicle. A plurality of inverters convert DC to 3 -phase A/C and supply A/C power to a corresponding indiv...
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WO/2021/221461A1 |
An electric shock and fire prevention device according to the present invention comprises: two or more power lines insulated from the ground with a resistance value equal to or greater than a predetermined ground resistance value; and on...
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WO/2021/213728A1 |
The invention relates to a two-stage actuation of a semiconductor switch. In a first phase, the semiconductor switch is only partially closed. During this first phase, the electrical current through the semiconductor switch is monitored ...
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WO/2021/215138A1 |
This power supply control device (10) controls the supply of power from a DC power source (11) to a load (12) by switching a power supply FET (20) on or off.A current adjustment circuit (25) adjusts a current flowing through a resistance...
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WO/2021/207880A1 |
A short circuit protection apparatus, a short circuit protection method, and a photovoltaic power generation system, relating to the technical field of photovoltaic power generation. The short circuit protection apparatus (200) comprises...
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WO/2021/209180A1 |
The present subject matter describes fault detection during power swing in a power transmission system. Voltage and current measurements are obtained for each phase at a terminal of the power transmission system. Based on measurements ob...
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WO/2021/210319A1 |
A power feeding control device (10) controls power feeding by switching on or off an FET (20). When current flowing via the FET (20) rises, the rising current flows via a resistor circuit (25). A drive circuit (23) makes a notification w...
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WO/2021/211639A1 |
With the fasting growth of renewable energy resources and DC supplied loads, DC electrical systems have been increasingly received attentions all over the world. DC breaker systems play a key role in protection systems for disconnecting ...
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WO/2021/209650A1 |
The invention relates to a power supply circuit, a safety device and a photovoltaic facility. The circuit comprises two terminals (2, 3) for the in-line connection thereof to a DC photovoltaic supply line (4), with two branches (5, 6) be...
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WO/2021/206911A1 |
A method (80) is provided for operating an inverter (49) of an inverter-based power resource (32) providing electric power to a grid (34) through one or more transformers 938). The method (80) includes measuring (82) voltages associated ...
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WO/2021/205801A1 |
The present invention suppresses the rise of device cost in a DC power distribution system capable of disconnecting, from an output path, a power distribution line in which a ground fault accident has occurred.　This DC power distributi...
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WO/2021/204110A1 |
The invention provides an over-current protection system. The over-current protection system includes a sensing device, a comparator, a first transistor, and a second transistor. The sensing device is adapted to sense a current flowing t...
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WO/2021/196399A1 |
A protective device (300) and a power distribution box having the protective device (300). The protective device (300) comprises: a signal detection circuit (310) for detecting a first voltage between a common ground connection point and...
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WO/2021/202069A1 |
A laser system comprising high voltage AC-to-DC power converter and one or more current sources coupled to the high voltage AC-to-DC power converter without a DC-to-DC converter between the one or more current sources and the AC-to-DC po...
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WO/2021/196755A1 |
The present application provides an interface overcurrent protection circuit, comprising a serial communication interface and a transient blocking unit. The transient blocking unit is connected in series between at least one power line i...
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WO/2021/199939A1 |
[Problem] In a vehicle power source device that is installed in a vehicle and that obtains a low-voltage power source from a high-voltage power source via a step-down means, to prevent electric shock to a human body without using an insu...
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WO/2021/198813A1 |
The present invention discloses a self-powered lED (103) for a pole-mounted auto-recloser (104) connected to an electric line (102). The lED comprises a mam control module (202) and a lockout indication module (203). The main control mod...
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WO/2021/194156A1 |
The present invention relates to an apparatus for prevention of electric leakage in the event of flooding for fire prevention and safety, and a method for protection against electric leakage and electric shock using same. More particular...
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WO/2021/191088A1 |
A motor-protective circuit breaker (10) comprising a circuit breaker unit (100), a trip unit (102), measurement means (106) switched between the trip unit (102) and motor contacts (T1, T2, T3) provided for performing one or more measurem...
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WO/2021/191490A1 |
The invention relates to a method for determining the distance to a fault location of a power line to be protected in an electric power system, the method comprising: configuring the power line to be protected into a plurality of segment...
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WO/2021/192898A1 |
This current control device is provided with a constant current circuit (30) and a current adjustment device (31). The current adjustment device (31) applies a voltage to the constant current circuit (30). The constant current circuit (3...
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WO/2021/185518A1 |
The invention relates to a protective device (100) for an electronic component (30) connected to an interface (200), comprising a compensation element (31) connected in series with the electronic component (30), wherein the compensation ...
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WO/2021/188284A1 |
A system may include an output driving stage comprising a first switch configured to selectively open and close an electrical path between a first supply voltage and an output terminal of the output driving stage and a second switch conf...
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WO/2021/185503A1 |
The invention relates to a protective device (100) for an electronic component (30) connected to an electrical interface (200), comprising: a detection device (10, 20) for detecting electrical voltage and/or electrical current at the ele...
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WO/2021/188937A1 |
Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an act...
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WO/2021/185088A1 |
Provided by the present invention is a current overload protection apparatus. The apparatus comprises a current measuring device and a control module; the current measuring device is used to measure a current value on a current path; the...
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WO/2021/181404A1 |
A relay assembly (104) connecting a power source (101) to an electronic component (102) in a high voltage system (100). The relay assembly (104) comprises a first relay unit (105), a second relay unit (106) positioned perpendicular to th...
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WO/2021/180580A1 |
The invention relates to an isolator comprising a first and a second input connector (11, 12), a first and a second output connector (13, 14), a transistor (16) between the second input connector (12) and the second output connector (14)...
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WO/2021/180419A1 |
A power component (100-300) includes two electric terminals (111, 112, 211, 212, 311, 312), a component housing (120, 220, 320), a main component (110, 210, 310) at least partially surrounded by the component housing (120, 220, 320), con...
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WO/2021/180923A1 |
The present invention relates to a method for monitoring the state of health of at least one contactor (1, 2) in a battery pack (3), wherein the battery pack (3) has at least one battery cell (4) for the electrochemical storage of electr...
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WO/2021/180750A1 |
The aim of the invention is to prevent undesired false triggering of a safety device, which protects a person from electric shock as a result of unintentional contact with voltage-carrying or current-carrying parts. This aim is achieved ...
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WO/2021/182407A1 |
[Problem] In a vehicle power source device that is installed in a vehicle and that obtains a low-voltage power source from a high-voltage power source via a step-down means, to prevent electric shock to a human body without using an insu...
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WO/2021/179451A1 |
The present invention relates to the technical field of coordinated charging control of electric vehicle charging points, and more particularly, relates to a protection method employing an energy storage apparatus to suppress overload of...
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WO/2021/183828A1 |
Systems and methods for managing power distribution from in-home electrical wiring are disclosed. In one embodiment, a power splitter device includes a an electrical input source connection with a first input line and a second input line...
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WO/2021/178357A1 |
Disclosed herein are systems and methods for safe electric power delivery protection within a high-risk area while maintaining electric power availability in non-faulted areas. Fault signals from wireless sensors are used at a recloser t...
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WO/2021/175793A1 |
Examples for protecting a power transmission line in response to a fault occurring within a monitored zone in a power transmission system are described. In an example, an occurrence of the fault in at least one phase of the power transmi...
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WO/2021/178290A1 |
An example of a power supply system (100) includes a switching voltage regulator (102) comprising at least one switch (104) configured to conduct an input current to generate an output voltage responsive to a switching signal and based o...
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WO/2021/173128A1 |
Embodiments of the invention include an under-voltage lockout (UVLO) circuit with automatic UVLO threshold configuration. In an embodiment, the UVLO circuit includes an over-voltage protection circuit that receives power from a power sou...
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WO/2021/169643A1 |
Disclosed are an arc extinction system and method. The system comprises: a vector transformer and a vector voltage selection switch, wherein a first end of a primary winding of the vector transformer is connected to a power distribution ...
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WO/2021/168233A1 |
A method of monitoring electrical faults includes processing features of signals output by sensors of a circuit breaker about electrical properties of a circuit coupled with a load and transitioning between states of operation based on t...
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WO/2021/165119A1 |
A circuit interruption device (20) comprises: first and second terminals (22, 24) for connection, in use, to a respective electrical circuit or network (34); a current-conductive branch including first, second and third current-conductiv...
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WO/2021/167599A1 |
A shoot-through protection circuit includes a current sensor providing a sensor signal connected to a comparator (230) input via at least a burden resistor (120). A switch protection circuit (250) including a protection input connected t...
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WO/2021/168265A1 |
A method of monitoring a circuit having load(s) includes receiving normal-mode data from circuit breakers operating in a normal mode, transforming the normal-mode data into first display data, providing the normal-mode display data to a ...
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WO/2021/160179A1 |
A circuit breaker, comprising a residual current analysis and comparison circuit and an actuating mechanism. An electronic detection circuit, an electromagnetic residual current detection circuit, and a driving circuit are comprised; the...
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WO/2021/160285A1 |
The invention ist related to a method of protecting relays or electronic switches from overheating or damage by creeping short circuit currents, whereby the following steps are carried out in a loop - measurement of the circuit current a...
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