A power control system utilizing real-time power system operating data to effectuate predictive load shedding so as to accurately predict the need for and the optimal type of responsive action to a contingency—before the contingency actually occurs.

The disclosure discloses a photovoltaic power optimization system, comprising: a plurality of photovoltaic panels; a photovoltaic optimizing module array comprising a plurality of photovoltaic optimizing modules connected in series, each of the photovoltaic optimizing modules being electrically connected to at least one of the photovoltaic panels; an inverter electrically connected to an output terminals of the photovoltaic optimizing module array for converting a DC power into an AC power; and a data center unit communicates wirelessly with at least one of the photovoltaic optimizing modules, and also communicates with the inverter via power line.

A load protection system and a method of protecting a load. The load protection system includes a PLC transmitter module and a PLC receiver module, which are configured to communicate a plurality of bits of data, each bit transmitted near a zero-crossing of a voltage on the power lines supplying power to the load, in the form of a high frequency burst of pulses. The pulses are structured in two patterns. The first pattern serves to identify the start of the second pattern, and the second pattern includes the data. The first pattern is unique and not represented within the second pattern. The load may be a motor, and the data may include a parameter value representing a parameter of the motor.

A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power over standard multi-conductor cabling without dedicated conduit or separation. This simplifies installation of equipment, increases overall speed of deployment, and significantly reduces cost for deployment. The pulse power delivery system is further configured to transport power through a pulse current waveform.

The present application relates to AC driven control systems that attains high level of functional integrity at one or more location. The present application discloses an AC driven control system that implements the technique of segregating domains of plurality of AC supply based functions using DC encoding thereby attaining high level of functional integrity of load devices that are being remotely operated.

A method determines the topology of a DERs system having a plurality of assets, where at least one of the assets is a controllable asset. The method injects a power signal at a given frequency from a controllable asset into the DERs system. The voltage at each of the plurality of assets is measured, and the magnitude of perturbation of the voltage at the given frequency is determined for each of the plurality of assets. The method then constructs the topology of the DERs system as a function of the differences of the magnitude of perturbations of each of the plurality of assets.

An apparatus to monitor and optimise power output by one or more solar panels to which the apparatus is coupled comprises a processor configured to generate a periodic wave and apply the periodic wave to an output of the one or more solar panels. Analogue-to-digital voltage and current converters receive voltage and current signals respectively from the one or more solar panels and provide digital voltage and current signals to the processor. The processor is configured to: calculate a voltage amplitude and a direct current offset of the periodic wave applied to the output of the one or more solar panels; calculate a differential of a power and a voltage of the one or more solar panels based on the voltage amplitude and the direct current offset; and modify the voltage of the one or more solar panels such that the differential of the power and the voltage of the one or more solar panels is zero, or substantially zero.

The presence of injected DC has harmful consequences for a power grid system. A piecewise sinusoidal ripple voltage wave at the line-frequency that rides on the main capacitor bank of the power converter is observed. This observation leads to a new detection method and mitigation method. A two-stage control circuit is added to the operation of a power converter that controls power line impedance in order to mitigate the injected DC and to block DC circulation. This control computes a correction angle to adjust the timing of generated pulsed square waves to counter-balance the ripple. A functional solution and the results of experiments are presented. Furthermore, an extraction method and three elimination methods for this ripple component are presented to allow dissipation of DC energy through heat and/or electronic magnetic wave, or to allow transformation of this energy into usable power that is fed back into the power grid.

Described is a system that includes a solid-state switch in series with a battery and a controller. The system also includes a capacitor coupled between a source and a gate of the solid-state switch and a resistor coupled between the gate of the solid-state switch and ground. The solid-state switch gradually transitions from an open state to a closed state over a time constant of the capacitor and the resistor upon application of power from the battery to the solid-state switch. The system further includes a first switching device that controls the application of power from the battery to the solid-state switch. Additionally, the system includes a second switching device that provides a discharge path of the capacitor upon completion of a task by the controller.

An energy management system includes an energy input sensor, an energy output sensor and a system controller. The energy input sensor is configured to generate at least one energy input signal indicating an energy flow to an energy storage medium of an energy storage device. The energy output sensor is configured to generate at least one energy output signal indicating an energy flow from the energy storage medium. The system controller is configured to estimate a charge level of the energy storage medium based on an initial charge level of the energy storage medium and a change in the charge level of the energy storage medium, which is based on the at least one energy input signal and the at least one energy output signal.