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WO/2019/086625A1 |
A signal acquisition device for a sensor, comprising a differential amplifier, two bias resistors for biasing the measurement device, a common-mode and differential-mode filtering circuit, and two lightning-limiter components. The differ...
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WO/2019/081553A1 |
The invention relates to a method and to a system for planning an electrical installation (1), wherein components (2..11, S1..S6, 11..13) of the planned installation (1) are registered and a hazard potential (G) for the electrical instal...
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WO/2019/075916A1 |
Provided are a signal recognition and processing unit, a method for recognizing and processing a signal, and a computer-readable medium, relating to the field of control technology. The signal recognition and processing unit comprises a ...
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WO/2019/075217A1 |
Arc fault detection devices and methods are described current between a source and a load is periodically measured. A variance of the periodically measured current values is derived and an arc fault can be detected abased on the derived ...
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WO/2019/072460A1 |
The invention relates to an inverter (110) which is configured for controlling an electric machine (105) on a voltage source having a first and a second potential. In this case, the inverter (110) comprises a plurality of bridge circuits...
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WO/2019/075434A1 |
A device for monitoring a component of a utility network configured to access characteristic data associated with the component and a geographical region where the component is located, generate an operation model for the component, acce...
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WO/2019/074779A1 |
A digital power distribution system includes a source sensor configured to provide feedback that includes a signal indicative of voltage across the source terminals; a source controller configured to receive the feedback from the source ...
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WO/2019/060848A1 |
An intelligent electronic device (IED) may detect arrival times and/or other characteristics of traveling waves and/or reflections thereof to determine a distance to a fault location in terms of per-unit length. An IED may convert betwee...
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WO/2019/043623A1 |
A method of regulating the operation of an electrical system, the electrical system including, a contactor unit including a contactor and a conductive element, sensing circuitry including at least two Hall Effect sensors, and a control u...
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WO/2019/043591A1 |
A combination motor control device includes a power circuit (180) structured to sense voltage and/or current flowing through the combination motor control device, a semiconductor switching and interruption circuit (170) including a numbe...
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WO/2019/025168A1 |
The invention relates to an energy storage system (1) for providing electrical energy, having at least one connection means (2) for providing an electrical potential of at least a first energy storage unit (4), wherein a first switching ...
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WO/2019/026050A1 |
A circuit (30) for use in an electrical system (2) having at least one of a shorting device (14) or a first circuit interrupter (10) and having a second circuit interrupter (12). The circuit is configured to: receive a logical signal (26...
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WO/2019/025083A1 |
The invention relates to a method (58) for detecting accidental arcs (60) during the charging of electrical battery systems (4), in particular lead storage batteries, which are electrically interconnected in series to form a string (10),...
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WO/2019/025280A1 |
An electronic protection device (1) for a LV electric line (100), said protection device being provided with a control unit (2) having a controller (3) comprising a central processing unit (30) and an arc fault determination module (4) e...
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WO/2019/016137A1 |
A method and a device for detecting light arcs are presented. According to said method, current values (I1, I2, I3, I4, I5, … In) of components (5041, 5042, 5043, 5044, 5045, … 504n) which are each connected to a node (502) are read ...
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WO/2019/014579A1 |
An electrical receptacle including an outlet for electrically connecting to an external load, a load terminal electrically connected to the outlet, a line terminal electrically connected to a line and configured to receive line power, an...
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WO/2019/005357A1 |
Flexible AC transmission system (FACTS) enabling distributed controls is a requirement for power transmission and distribution, to improve line balancing and distribution efficiency. These FACTS devices are electronic circuits that vary ...
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WO/2018/234517A1 |
The invention relates to an overvoltage protection device having connection elements, an overvoltage protection unit (ÜSE1), two contact elements (K1, K2), a slider (AS), a connection plate (B) and an energy store (F). The two contact e...
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WO/2018/231899A1 |
Electrical cables with integral surge protection are disclosed. An example electrical cable surge protector (100) includes an electrically insulated cable; first and second plugs (104, 106); and a surge protection circuit (102) electrica...
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WO/2018/224424A1 |
The present invention concerns a detection device (19) for detecting a short circuit current in an electrical power transmission cable (1), comprising: - an electrical power transmission cable (1) for a high-voltage DC network, comprisin...
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WO/2018/217883A3 |
An arc fault protective wiring device (10) disposed in an electrical distribution system is disclosed, the device including a pulse frequency digitizer (36), the pulse frequency digitizer being configured to receive a plurality of pulses...
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WO/2018/217883A2 |
An arc fault protective wiring device disposed in an electrical distribution system is disclosed, the device including a pulse frequency digitizer, the pulse frequency digitizer being configured to receive a plurality of pulses, each pul...
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WO/2018/203859A3 |
The present invention is a stray current protection device (100) comprising a first line (101) and a second line (102) for connecting a load (300) to a power supply (200), in order to interrupt the current applied to the load (300) in ca...
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WO/2018/203859A2 |
The present invention is a stray current protection device (100) comprising a first line (101) and a second line (102) for connecting a load (300) to a power supply (200), in order to interrupt the current applied to the load (300) in ca...
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WO/2018/200010A1 |
A circuit for mitigating electric shock including an external impedance detection circuit (120) and a test and holdoff circuit (140). The external impedance detection circuit detects a presence of an external impedance (R16), such as by ...
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WO/2018/200457A1 |
Embodiments of the present disclosure may enable an electrical component within an electrical distribution equipment cabinet to be audibly monitored via an electrical fault detection device mounted on the housing of the cabinet. The elec...
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WO/2018/185051A1 |
Electrical switching device (1), comprising at least one semiconductor switch (2, 3) which is arranged in the current path (4, 5), electrical measuring devices (7, 8, 9, 24), a control device (6) which evaluates the measured values ascer...
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WO/2018/177806A1 |
A domestic appliance (1) comprises a first power supply unit (2), which generates electrical power intended for operation of the domestic appliance from an alternating supply voltage (Ua) provided by a supply network (A), and at least on...
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WO/2018/171240A1 |
A method and a system for protection against disconnection of power transmission and distribution lines. The method comprises: injecting a monitoring signal at at least one point of at least one phase of power transmission and distributi...
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WO/2018/171923A1 |
The invention relates to a power switch for breaking an electrical circuit when current and/or current time span threshold values are exceeded, comprising an energy converter, which on the primary side is connected to the electrical circ...
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WO/2018/172138A1 |
An electric power system comprises recording devices (101-105) located at different elements of the electric power system and configured to record waveform samples of quantities related to operation of the elements of the electric power ...
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WO/2018/162452A1 |
The invention relates to a DI-circuit breaker device comprising a differential current transformer for detecting fault currents in a phase conductor and a neutral conductor, and a detection device for detecting faulty states of a protect...
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WO/2018/160924A1 |
A method of detecting a partial discharge in an electrical asset (102) includes sensing of a discharge current in the electrical asset (102) using a transducer (110) and responsively providing a transducer output; processing the transduc...
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WO/2018/160531A1 |
Communication enabled circuit breakers and circuit breaker panels are described. Methods associated with such communication enabled circuit breakers and circuit breaker panels are also described. A circuit breaker panel may include a cir...
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WO/2018/159914A1 |
The present invention relates to a complex multifunctional relay system and a control method therefor, by which a relay circuit can complexly perform functions, such as an overcurrent shutdown, an arc fault shutdown, and an electric leak...
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WO/2018/149606A1 |
The invention relates to a device for protecting consumers (S/L) connected to a supply voltage source (K130) via a connecting line (VL) against an overvoltage on the connecting line (VL), wherein the consumers (S/L) are connected to the ...
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WO/2018/137805A1 |
The invention relates to a power switch for interrupting an electrical circuit when current and/or current time span threshold values are exceeded, comprising an energy converter, which on the primary side is connected to the electrical ...
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WO/2018/132324A1 |
A circuit interrupter (10) includes an electronic trip unit (40) structured to receive power from a power supply (15). The electronic trip unit includes a start-up process and is structured to proceed through the start-up process when th...
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WO/2018/122632A1 |
The present invention relates to a method for detecting CT saturation during inrush. The method comprising, computing an estimated sampled value of a current signal from a CT at a first time instance using sampled values of the current s...
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WO/2018/126020A1 |
A circuit breaker system is disclosed in the present application. The circuit breaker system includes a housing to hold an electrical interrupter within an internal region separated from an external ambient region. The electrical interru...
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WO/2018/109161A1 |
The invention relates to an overcurrent and/or short circuit detector (1), particularly for a safety switching device (2), having at least one current sensor (3) for picking up a current signal with a definable time resolution in at leas...
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WO/2018/108876A1 |
In a protection arrangement (1) for protecting a transformer (2), an AC source (6) and/or AC sink (6), comprising a transformer (2), of which one winding (3) is connected to an AC source (6) or to an AC sink via a first and a second line...
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WO/2018/104440A3 |
The invention relates to an electrical installation (1a, 1b), comprising a switch cabinet (2, 2a, 2b) and a protective switch (3) arranged in the switch cabinet (2, 2a, 2b). The electrical installation (1a, 1b) also comprises two measuri...
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WO/2018/104181A1 |
The invention relates to an electrical installation (1a, 1b), comprising a switchgear cabinet (2, 2a, 2b) and a protective switch (3) arranged in the switchgear cabinet (2, 2a, 2b). The electrical installation (1a, 1b) also has an optica...
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WO/2018/099902A1 |
A system for protecting an electrical circuit comprises an electrical protection switching module comprising: neutral and live input terminals for electrical connection to a supply of the circuit, a neutral output terminal for electrical...
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WO/2018/102100A1 |
Methods include sensing phase currents (100) through a circuit interruption device (110), generating at least one symmetrical component harmonic current signal (220) for at least one harmonic of the phase currents responsive to the sense...
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WO/2018/091830A1 |
The subject matter of the present invention is a device for protecting an electronic computer (2) against a short circuit, the electronic computer (20), a sensor (40) comprising a first sensor pin (40_1), and a shunt resistor (100), char...
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WO/2018/080516A1 |
A current monitor circuit includes a sense resistor coupled to a direct current (DC) power supply to sense a current signal, an operational amplifier (op-amp) coupled to the sense resistor to sense a voltage developed across the sense re...
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WO/2018/075789A1 |
An instrumented electric power arrester includes a temperature sensor, wireless transmitter, and a visual over-temperature indicator. A disk shaped module, a replacement varister block, or a dummy block containing the sensor/transmitter ...
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WO/2018/069009A1 |
The invention relates to a device (10) for detecting an arcing fault in an electric power supply circuit (20). To this end, a voltage fed at the input end is compared with a voltage available at the output end in the electric power suppl...
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