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Patent Searching and Data


Matches 1,651 - 1,700 out of 40,841

Document Document Title
WO/2014/172103A1
A self-oscillating resonator (SOR) may be used to control current through light emitting diodes (LEDs). The SOR may be started and stopped by a controller coupled to a transistor switch in the SOR. The controller may output a control sig...  
WO/2014/169089A1
A method and apparatus for voltage clamping including: measuring a DC voltage across the PV module at an input of a power converter, comparing the measured DC voltage to the overvoltage threshold, determining the measured DC voltage exce...  
WO/2014/168634A1
An example provides an apparatus for determining an attribute of an adapter based on a ratio of voltage divider outputs. The apparatus may include a first analogto-digital converter to provide a first digital signal corresponding to a fi...  
WO/2014/169201A1
Systems and methods are described for selectively applying DC power from a variable voltage DC power bus to a DC load. The ballast includes at least one switch coupled between the DC power bus and the DC load. A processor is coupled to t...  
WO/2014/166279A1
An electronic converter circuit system and a control method thereof. The electronic converter circuit system is provided with a digital control platform using a digital control chip as the central construction and combining a hardware ci...  
WO/2014/165938A1
An inverter energy system supplies power to a site. The inverter energy system comprises a number of solar strings, each solar string including a solar panel(s) as a renewable energy source and an inverter. The inverter energy system is ...  
WO/2014/163521A1
A current generator circuit comprising at least one current generation component arranged to generate an output current of the current generator circuit, at least one absolute current calibration component arranged to enable calibrati...  
WO/2014/163044A1
A solar photovoltaic power generation system which is characterized by being provided with: a solar photovoltaic power generation device (1); an electric power conversion control device (3) which converts a direct-current power from the ...  
WO/2014/163336A1
The present invention relates to a power control system; relating to such a system for controlling the power supplied to power load devices in stepped fashion in accordance with changes in reserve power capacity. The present invention co...  
WO/2014/159255A1
A voltage divider circuit (103) is provided that automatically and dynamically adjusts its voltage divider chains as a supply voltage changes. The voltage divider circuit includes a plurality of voltage divider branches (102, 104, 106) h...  
WO/2014/160875A1
A method for converting DC input power into AC output power comprising operating in a continuous mode, while the DC input power is at a first level, wherein DC input power is continuously converted into AC output power and applied to an ...  
WO/2014/159507A2
A voltage regulator comprises a large gm current buffer driver added between a first stage of an operation amplifier and a last stage power transistor. This current buffer allows a significant reduction in the maximum internal and extern...  
WO/2014/159407A1
A controlled start-up circuit mechanism in a linear voltage regulator can handle a higher supply voltage at start-up and limits the voltage seen at the devices to be lower than the maximum allowed operation voltage. The circuit may regul...  
WO/2014/160014A1
A system having voltage regulator bypass means provides a means for preventing a voltage regulator to be bypassed in a power system when the difference between a load side voltage of the voltage regulator and a source side voltage of the...  
WO/2014/159660A1
A soft-start generation system is configured to generate a soft-start voltage. The soft- start generation system includes sawtooth circuitry configured to generate current having a sawtooth waveform and staircase circuitry configured to ...  
WO/2014/160918A1
A voltage regulator (300) for providing power to a system includes feedforward circuitry (302) receiving a signal (SLOAD) from the system indicating the current needed by the system, and the feedforward circuitry (302) causes the voltage...  
WO/2014/153301A1
A method and apparatus is disclosed for solar power generation when irradiance is low and unstable due to sunrise, sunset, clouding, partial shading, warped solar module surfaces, moving solar modules, and other low or varying irradiance...  
WO/2014/152408A2
A method, apparatus, system and computer program is provided for controlling an electric power system, including implementation of an energy planning process (EPP) system which can be used to plan a voltage control and conservation (VCC)...  
WO/2014/150448A2
Techniques are described that embed a digital assisted regulator with an LDO regulator on a chip without requiring a capacitor external to the chip and to regulate a voltage without undershoot. The digital assisted regulator responds to ...  
WO/2014/152901A2
An architecture and method to maintain stability of a low drop-out (LDO)/load switch linear voltage regulator (LVR). The architecture method support optionally determining during a power-up phase and by using a load detection circuit, th...  
WO/2014/147771A1
This solar power generation system (1) is provided with the following: a plurality of solar-cell groups (2a, 2b, …, 2n); a plurality of chopper units (3a, 3b, …, 3n) that are provided so as to form a one-to-one correspondence with th...  
WO/2014/151844A2
A voltage regulator for controlling an output device in accordance with embodiments includes an error amplifier; a controlled conductance output device; and a load predicting circuit; wherein an output of the error amplifier and an outpu...  
WO/2014/152458A2
A method, apparatus, system and computer program is provided for controlling an electric power system, including implementation of a voltage control and conservation (VCC) system used to optimally control the independent voltage and capa...  
WO/2014/150972A1
A method includes receiving, at a voltage regulator, an activity adjustment signal from a digital circuit. The method also includes controlling one or more variable impedance elements of the voltage regulator to modify an output voltage ...  
WO/2014/145486A1
A power supply for supplying electrical power at a predetermined level is provided. The power supply includes circuitry configured to receive an electrical input and produce an electrical output. The power supply further includes a housi...  
WO/2014/142842A1
A regulated voltage system with digital control to maintain a regulated voltage supply and protection against overcurrents is disclosed. A regulated supply voltage circuit including a voltage output and a charging capacitor is coupled to...  
WO/2014/141760A1
In a photovoltaic power generation control, it is impossible to follow up an operation point change caused by insolation variations and load variations in the follow-up time of actual voltage with respect to the change of a voltage comma...  
WO/2014/144733A1
A voltage regulator has an input terminal and a ground terminal. The voltage regulator includes a high- side device, a low side device, and a controller. The high- side device is coupled between the input terminal and an intermediate ter...  
WO/2014/141634A1
A load controller (10) is provided with a main switching unit (1), a control circuit (4), and a protection circuit (5). The protection circuit (5) is provided with a varistor circuit (18) and a diode circuit (8). The varistor circuit (18...  
WO/2014/141217A1
The method for adjusting the impedance of one or more phases of a secondary circuit of an electric furnace, in order to limit the unbalance between the phases themselves comprises the transformer (31), a variable impedance secondary circ...  
WO/2014/144291A2
A noise resistant switch control circuit is provided. The circuit includes a low pass filter configured to couple to a first terminal of a switch and a first voltage clamp coupled to the low pass filter. The first voltage clamp is config...  
WO/2014/142781A1
An inventive high electrical field driver is stabilized to produce at least one high electrical field with each high electrical field having single polarity. The inventive high electrical field driver is stabilized to produce at least on...  
WO/2014/137786A2
Efficiency of a switch mode power supply (SMPS) is optimized by operating the SMPS in an asynchronous mode when current being supplied therefrom is less than a certain current value and operating the SMPS in a synchronous mode when the c...  
WO/2014/138624A1
An energy tracking system comprises at least one switching element, at least one inductor and a control circuit to keep the output voltage at a pre-selected level. An example energy tracking system (200) has energy transfer blocks (202, ...  
WO/2014/137709A2
Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A device may include a pulse-width modulator configured to receive a first input vol...  
WO/2014/136459A1
This power conditioner (12) has a detecting means (15) and a controlling means (19). For each of a plurality of solar-cell modules (11), the detecting means (15) detects the electrical output of said solar-cell module (11) and the contro...  
WO/2014/135573A1
The present disclosure relates to a circuit (1) for detecting transistor mismatch comprising: a signal generator (4) for generating a reference signal (Vin), and an amplification circuit (5) comprising at least one pair of a p-channel an...  
WO/2014/137763A1
Embodiments of systems, methods and apparatuses of a voltage regulator are disclosed. One apparatus of the voltage regulator includes a series switch element, wherein the series switch element comprises a plurality of partitioned series ...  
WO/2014/133521A1
A sharing criteria metric is received for each of three phases of a three-phase power. Loads on power converters receiving the three phase power are adjusted based on the sharing criteria metric of each of the three phases.  
WO/2014/131607A1
Temperature sensor comprising: - two branches (A, B), each branch comprising at least two transistors (TA1, TA2; TB1, TB2) connected as diodes and cascaded so that the emitter of the transistor (TA1) of a first layer (L1) of a branch (A)...  
WO/2014/131311A1
A current source generator comprises: a bandgap source core module (201) configured for generating a stable reference voltage; a separating module 1 (202), connected to the bandgap source core module (201) and configured for performing n...  
WO/2014/131028A1
A system, method, and apparatus for converting DC input power to AC output power, including a DC-AC inverter employing: a first feedback loop for determining a maximum power point (MPP) and operating the DC-AC inverter proximate the MPP....  
WO/2014/128263A1
The invention relates to a method for detecting an electric arc in a photovoltaic facility, including the following steps: measuring (E6) voltage values at at least one location of the electric circuit of the photovoltaic facility; digit...  
WO/2014/125862A1
In order to provide a semiconductor device that includes a clamp element having a clamp voltage hardly dependent on temperature and having a small area, the clamp voltage of the clamp element is a voltage obtained by summing a forward dr...  
WO/2014/126496A1
A voltage regulator (10) for applying a regulated voltage (Vout_new) across a load (20) is described. The voltage regulator (10) comprises a ground node (14), a pick-off node (22), a regulator branch (42, 26, 24, 28, 44), a load branc...  
WO/2014/123553A1
A method is disclosed that continuously detects measurements of electrical power supplied to one or more electrical devices from a power source. Estimated deviant voltage levels that the supplied electricity will not drop below or exceed...  
WO/2014/123964A1
Methods, apparatus, and fabrication processes relating to thermal calculations of an integrated circuit device are reported. The methods may comprise determining a power consumption by a power entity of an integrated circuit, the power e...  
WO/2014/123792A1
A method and apparatus are directed to a dynamic means for correcting imbalance and harmonic distortion in an electrical system. In one embodiment, the device includes an imbalance and harmonics measurement module configured to measure p...  
WO/2014/122602A1
A solar powered device (LU 10) and methods for (Figs. 8 and 9) controlling a power override function for the solar powered device (LU 10) are disclosed. The solar powered device (LU 10) includes a photo voltaic unit (1), a solar charger ...  
WO/2014/120439A2
A regulator control circuit includes a switch control signal generator to generate a switch control signal and a soft start circuit to generate a soft start signal for use by the switch control signal generator. The soft start circuit in...  

Matches 1,651 - 1,700 out of 40,841