Solaredge Technologies Ltd.

Yakir Loewenstern

Ilan Yoscovich

Tzachi Glovinsky

Guy Sella

Yoav Galin

Lior Handelsman

David Braginsky

Amir Fishelov

Ohad Gidon

Daniel Zmood

Meir Adest

Meir Gazit

Gil Litmanovitch

Ron Neuman

Nadav Berkovitch

Yaron Binder

Izak Assia

Bryon Roos Gomberg

Dragan Mikulec

Roy Shkoury

Julie Horn

Shimon Khananashvili

Andrey Omer

Zakay Lifschits

Rachel Prishkolnik

Alon Zohar

Amir Peri

Systems, apparatuses, and methods are described for discharging an input voltage by utilizing discharge circuitry configured to produce a relatively constant discharge voltage value/output voltage, a relatively constant discharge current value/output current, or a relatively constant discharge power value/output power. The discharge circuitry may include at least one power device, such as a DC to DC converter.

Method and apparatus for discharge

Systems, apparatuses, and methods for efficient operation of a switch arrangement are described. Selectively operating one of a plurality of parallel-connected switches at different times along a period of a periodic waveform may allow for improved efficiency, uniform loss-spreading, and enhanced thermal design of an electronic circuit including use of power switches.

Method and apparatus for controlling switches in a power converter

Methods for arc detection in a system including one or more photovoltaic generators, one or more photovoltaic power devices and a system power device and/or a load connectible to the photovoltaic generators and/or the photovoltaic power devices. The methods may measure voltage, current, and/or power delivered to the load or system power device, and the methods may measure voltage noise or current noise within the photovoltaic system. The methods may periodically, and/or in response to detecting noise, reduce an electrical parameter such as current or voltage in order to extinguish an arc. The methods may compare one or more measurements to one or more thresholds to detect arcing, and upon a comparison indicating that arcing is or was present, an alarm condition may be set.

Arc detection and prevention in a power generation system

Various implementations described herein are directed to a methods and apparatuses for disconnecting, by a device, elements at certain parts of an electrical system. The method may include measuring operational parameters at certain locations within the system and/or receiving messages from control devices indicating a potentially unsafe condition, disconnecting and/or short-circuiting system elements in response, and reconnection the system elements when it is safe to do so. Certain embodiments relate to methods and apparatuses for providing operational power to safety switches during different modes of system operation.

Safety switch for photovoltaic systems

A vehicle traction device having at least one energy storage component; at least one traction component; at least one acceleration sensor including a pressure sensor, a motion sensor, a gyroscopic sensor, an accelerometer, and/or a piezoelectric sensor; and at least one deceleration sensor including a pressure sensor, a motion sensor, a gyroscopic sensor, an accelerometer, and/or a piezoelectric sensor. The at least one acceleration/deceleration sensor is responsive to an operator input, and when the operator input is applied to the at least one acceleration/deceleration sensor, the energy traction device is signaled to transfer energy from the at least one energy storage component to the forward propulsion of the vehicle, or vice versa, using the at least one traction component. The vehicle traction device may be incorporated into, for example, a wheel, a motor, and/or a transmission.

Auxiliary electrical traction motor for vehicles

A system and a method for a power system that includes a first string portion and a second string portion connected in series. The first string portion may have a first group of power sources connected in series. The second string portion may include a plurality of serially connected devices and a second group of power sources connected to the devices. Each device may be connected to a respective power source of the second group of power sources. By controlling switches that are includes the devices, one or more of the second group of power sources may be disconnected from the first group of power sources in a first mode of operation and/or connected to the first group of power sources in a second mode of operation.

System and method for interconnected elements of a power system

An apparatus may include a first switch leg connected between a first input terminal and an output terminal, the first switch leg comprising a first switch. The apparatus may also include a second switch leg connected between a second input terminal and the output terminal, the second switch leg comprising a second switch. The apparatus may further include a third switch leg connected between an input voltage midpoint node and the output terminal. A control circuit may control the first switch leg, the second switch leg, and the third switch leg.

Efficient switching for converter circuit

Various implementations described herein are directed to determining an order of power devices connected in a serial string to a central power device. The physical order may be stored in a non-volatile computer-readable storage medium.

Apparatus and method for determining an order of power devices in power generation systems

A system includes a central controller for determining at least one parameter for a load connector of a load. The system also includes a central transceiver for transmitting a signal relating to the least one parameter of the load connector. The load connector comprises input terminals for connecting to power lines of a power distribution network, output terminals for connecting to the load, a switch for connecting/disconnecting the input terminals to/from the output terminals, a connector transceiver for receiving the signal, a voltage sensor for measuring a voltage across the input terminals, and a connector controller. The connector controller may determine a voltage disconnect threshold for the load connector based on the at least one parameter. The connector controller may control the switch to connect the output terminals to the input terminals based on a voltage measurement and the voltage disconnect threshold.

System and methods for regulating connections of loads to a network

A pest-control structure for a photovoltaic (PV) module installation may include a support beam mounted to a support surface. The support beam may include an interface surface. A PV module may be mounted to the support beam. At least one exclusion spacer may be mounted to the support beam at the interface surface or the PV module. The at least one exclusion spacer may restrict access to an area between the PV module and the support surface.

Pest-control structure for photovoltaic installations

Various implementations described herein are directed to systems and methods for managing a plurality of loads connected to a plurality of power sources using a switching apparatus. Apparatuses described herein may include multi-throw switches designed for fast and efficient switching of loads. Methods described herein may include selecting one or more loads from a group of loads to connect to one or more alternative power sources, and selecting one or more loads to connect to a main (e.g. utility) electrical grid.

Load management in hybrid electrical systems

An apparatus may include a first switch leg connected between a first input terminal and a first output terminal, the first switch leg comprising serially connected switches. The apparatus may also include a second switch leg connected between a second input terminal and the first output terminal, the second switch leg comprising serially connected switches. The apparatus may further include a third switch leg connected between an input voltage midpoint and the first output terminal. A control circuit may control the first switch leg, the second switch leg and the third switch leg.

A power system and a power method for a power system that includes a first power source operatively connected to an input of a first power device. The power system also includes a switch unit having a first input operatively connected to the output of the first power device. The power system further includes a second power source operatively connected to a second input of a second power device. A second output of the second power device connects to a second input of the switch unit, wherein a third output of the switch unit provides an output parameter responsive to at least one of the output of the first power device and the second output of the second power device.

Growing community of inventors

Ariel, Israel

Yakir Loewenstern