| Patent application number | Description | Published |
| 20080291706 | COMMON MODE FILTER SYSTEM AND METHOD FOR A SOLAR POWER INVERTER - A photovoltaic system, method and apparatus are disclosed. In an exemplary embodiment, the system includes a photovoltaic array, a distribution system that distributes power within a premises of a demand-side energy consumer, an inverter coupled to the distribution system that is configured to convert DC power from the photovoltaic array to AC power and apply the AC power to the distribution system, a damping portion configured to damp high frequency voltages derived from the inverter, and trapping circuitry coupled to the damping portion that is configured to reduce a level of low frequency current traveling through the damping portion. | 11-27-2008 |
| 20090032082 | SYSTEM, METHOD, AND APPARATUS FOR COUPLING PHOTOVOLTAIC ARRAYS - System, methods and apparatus for coupling photovoltaic arrays are disclosed. The apparatus may include a first input adapted to couple to a neutral line of a first photovoltaic array; a second input adapted to couple to a neutral line of a second photovoltaic array; a contactor configured to switchably couple the neutral line of a first photovoltaic array to the a neutral line of a second photovoltaic array, the contactor being controllable by an electric control signal; and a control input adapted to couple the switch to a remotely located controller so as to enable the controller to control the first switch by sending the electric control signal. | 02-05-2009 |
| 20090078304 | PHOTOVOLTAIC CHARGE ABATEMENT DEVICE, SYSTEM, AND METHOD - A system, method and apparatus are disclosed for abating charge accumulation on a photovoltaic array. In one embodiment, the method includes arranging a portion of a photovoltaic array so that the portion of the photovoltaic array operates above a ground potential; converting solar energy into electrical energy with the photovoltaic array, wherein the portion of the photovoltaic array is predisposed to accumulate a charge on a surface of the portion of the photovoltaic array while the solar energy is converted to electrical energy; and abating charge accumulation on the surface of the portion of the photovoltaic array that operates above a ground potential. | 03-26-2009 |
| 20090217964 | DEVICE, SYSTEM, AND METHOD FOR IMPROVING THE EFFICIENCY OF SOLAR PANELS - A system, method and apparatus are disclosed for improving an operating efficiency of a photovoltaic array. In one embodiment, the method includes arranging a first portion of a photovoltaic array so that the first portion of the photovoltaic array operates above a ground potential; switchably coupling an output of the first portion of the photovoltaic array to a power supply so as to enable the power supply to apply a voltage to the output of the first portion of the photovoltaic array; arranging a second portion of the photovoltaic array so that the second portion of the photovoltaic array operates below a ground potential; and switchably coupling an output of the second portion of the photovoltaic array to the power supply so as to enable the power supply to apply a voltage to the output of the second portion of the photovoltaic array. | 09-03-2009 |
| 20090283130 | SYSTEM, METHOD, AND APPARATUS FOR REMOTELY COUPLING PHOTOVOLTAIC ARRAYS - System, methods and apparatus for coupling photovoltaic arrays are disclosed. The apparatus may include a first input adapted to couple to a neutral line of a first photovoltaic array; a second input adapted to couple to a neutral line of a second photovoltaic array; a contactor configured to switchably couple the neutral line of a first photovoltaic array to the a neutral line of a second photovoltaic array, the contactor being remotely controllable. | 11-19-2009 |
| 20100032002 | DEVICE SYSTEM AND METHOD FOR COUPLING MULTIPLE PHOTOVOLTAIC ARRAYS - A photovoltaic system, method and apparatus are disclosed. In an exemplary embodiment, the system includes a power converter configured to convert power from one form to another form, and an interface portion adapted to couple to the power converter, a first photovoltaic array, a second photovoltaic array, and a third photovoltaic array. In variations, the interface portion is configured to modulate an application of a voltage from the first photovoltaic array to the second and third photovoltaic arrays so as to adjust a voltage applied from the three photovoltaic arrays to the power converter. | 02-11-2010 |
| 20100132758 | DEVICE, SYSTEM, AND METHOD FOR MANAGING AN APPLICATION OF POWER FROM PHOTOVOLTAIC ARRAYS - A system, method, and apparatus for managing an application of power from photovoltaic arrays to power conversion components. The method may include arranging a first array and a second array in series, coupling a positive terminal of a first array to the power conversion component, coupling a negative terminal of a second array to the power conversion component, and modulating an amount of current flowing between a negative terminal of the first array and a positive terminal of the second array so as to ramp up a level of current flowing through the arrays as the arrays are brought online with the power conversion component. A voltage of any terminal on either of the arrays may be limited so that the voltage on any of the terminals does not reach a restricted level. | 06-03-2010 |
| 20110168229 | SYSTEM FOR COUPLING PHOTOVOLTAIC ARRAYS - System, methods and apparatus for coupling photovoltaic arrays are disclosed. The apparatus may include a first input adapted to couple to a neutral line of a first photovoltaic array; a second input adapted to couple to a neutral line of a second photovoltaic array; a contactor configured to switchably couple the neutral line of a first photovoltaic array to the a neutral line of a second photovoltaic array, the contactor being controllable by an electric control signal; and a control input adapted to couple the switch to a remotely located controller so as to enable the controller to control the first switch by sending the electric control signal. | 07-14-2011 |