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Class Information
Number: 307/77
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Series-connected sources
Description: Subject matter having plural supply circuits or plural sources connected in series.

Sub-classes under this class:

Class Number Class Name Patents
307/78 Generator sources 11

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8664797 Photovoltaic assembly and method of operating a photovoltaic assembly Mar. 4, 2014
8653694 Junction box Feb. 18, 2014
8633614 Modular energy storage device for a high voltage electrical power system Jan. 21, 2014
8624436 Power harvesting circuit and method for serially coupled DC power sources Jan. 7, 2014
8618693 Operating direct current (DC) power sources in an array for enhanced efficiency Dec. 31, 2013
8587151 Method for distributed power harvesting using DC power sources Nov. 19, 2013
8587152 Sequential shunt regulator with analog fill control Nov. 19, 2013
8541898 Control method and system for a wind power installation in case of grid faults Sep. 24, 2013
8536735 Converter with input voltage balance circuit Sep. 17, 2013
8536734 Apparatus for inverting DC voltage to AC voltage Sep. 17, 2013
8508074 System and method for optimizing solar power conversion Aug. 13, 2013
8502416 Method and circuit arrangement for connecting at least one string of a photovoltaic system to an inverter Aug. 6, 2013
8473250 Monitoring of distributed power harvesting systems using DC power sources Jun. 25, 2013
8456133 Control method of battery-system for improving safety Jun. 4, 2013
8415905 Battery power system Apr. 9, 2013
8390147 Methods and apparatuses for photovoltaic power management Mar. 5, 2013
8384245 Methods and apparatuses for photovoltaic power management Feb. 26, 2013
8344548 Photovoltaic power plant with minimized power collection losses Jan. 1, 2013
8212408 Collection of electric power from renewable energy sources via high voltage, direct current systems with conversion and supply to an alternating current transmission network Jul. 3, 2012
8183711 Power extraction from signal sinks May. 22, 2012
8154896 STATCOM system for providing reactive and/or active power to a power network Apr. 10, 2012
8120209 Voltage sensing device for an individual cell of a group of battery cells Feb. 21, 2012
8115340 System for controlling power from a photovoltaic array by selectively configurating connections between photovoltaic panels Feb. 14, 2012
8093756 AC power systems for renewable electrical energy Jan. 10, 2012
8093754 High voltage array converter Jan. 10, 2012
8076794 Multi-voltage vehicle electrical supply system for a motor vehicle and method for operating the same Dec. 13, 2011
8026638 System for multiple energy storage and management and method of making same Sep. 27, 2011
8022571 Power management circuitry and solar cells Sep. 20, 2011
8018091 Power-mode selectable backup power supply Sep. 13, 2011
8013472 Method for distributed power harvesting using DC power sources Sep. 6, 2011
7989982 Transmitting apparatus of digital signals on a supply line of electronic devices and corresponding method Aug. 2, 2011
7965476 Current producing circuit, current producing method, and electronic device Jun. 21, 2011
7884500 High voltage array converter Feb. 8, 2011
7872886 Quasi-parallel voltage regulator Jan. 18, 2011
7839023 Methods and apparatus for three-phase inverter with reduced energy storage Nov. 23, 2010
7839022 Device for distributed maximum power tracking for solar arrays Nov. 23, 2010
7773395 Uniform converter input voltage distribution power system Aug. 10, 2010
RE41304 Method and apparatus for power supply capable of effectively reducing a power consumption May. 4, 2010
7705490 Integral stack columns Apr. 27, 2010
7443054 Environmentally hardened Ethernet switch Oct. 28, 2008
7332835 Micro-electromechanical system based switching module serially stackable with other such modules to meet a voltage rating Feb. 19, 2008
7276814 Environmentally hardened ethernet switch Oct. 2, 2007
7116014 Method and apparatus for stabilizing "DC-DC Transformers" in a distributed power system using remote sense Oct. 3, 2006
7105945 Lighting device for vehicle Sep. 12, 2006
7078830 Connecting circuit and method for connecting a generator to the electricity grid making use thereof Jul. 18, 2006
7030512 Dynamic current sharing dc-dc switching power supply Apr. 18, 2006
6781257 Apparatus for reducing noise from multiple switching regulators Aug. 24, 2004
6713992 Method and apparatus for power supply capable of effectively reducing a power consumption Mar. 30, 2004
6646898 Resonant inverter apparatus Nov. 11, 2003
6633091 Storage module Oct. 14, 2003

1 2

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