An alternating current (AC) power distribution system may include an independent speed variable frequency (ISVF) generator configured to generate an AC power signal having a frequency that is independent from a frequency of a prime mover. The system may also include at least one AC load configured to receive the AC power signal without performing a full-distribution-power-rated power conversion. In another embodiment, an AC power distribution system includes a generator configured to generate an AC power signal and an AC motor configured to receive the AC power signal without performing a full-distribution-power-rated power conversion, where the AC motor is configured to rotate at a rotational frequency that is independent from a frequency of the AC power signal.

Systems and method for the distribution of data center power are disclosed. In one embodiment, the system includes a reserve power system comprising a switchboard, reserve UPS, and generator; and a primary power system, the primary power system comprising a primary UPS coupled to a primary power source via a primary input, a critical load via a primary output, and the reserve power system via an automatic bypass input. The primary power system may be configured to supply power from a utility to the critical load, detect an outage of the utility, supply power to the critical load using a stored energy device in response to detecting an outage of the utility, monitor the capacity of the stored energy device, transmit an on bypass request to the reserve power system transfer the critical load to the reserve power system upon determining that the capacity of the stored energy device has reached a pre-determined threshold, determine that the reserve power system is able to support the critical load and transfer the critical load to the reserve power system if the reserve system is able to support the critical load.

A device for supplying electrical power including one or more photovoltaic panels. An example device includes a primary battery electrically coupled to the photovoltaic panels. An electric motor is electrically coupled to either or both of the primary battery and the photovoltaic panels. A generator is mechanically coupled to the electric motor. A positive bus bar and negative bus bar are electrically coupled to the generator. At least one secondary battery is electrically coupled to the bus bars. At least one electrical outlet electrically coupled to the positive bus bar and negative bus bar. Electrical energy is stored in the at least one secondary battery when the supply from the generator exceeds the demand on the at least one electrical outlet. Electrical energy is discharged from the at least one secondary battery when the demand from the at least one electrical outlet exceeds the supply from the generator.

A device for supplying electrical power including one or more photovoltaic panels. An example device includes a primary battery electrically coupled to the photovoltaic panels. An electric motor is electrically coupled to either or both of the primary battery and the photovoltaic panels. A generator is mechanically coupled to the electric motor. A positive bus bar and negative bus bar are electrically coupled to the generator. At least one secondary battery is electrically coupled to the bus bars. At least one electrical outlet electrically coupled to the positive bus bar and negative bus bar. Electrical energy is stored in the at least one secondary battery when the supply from the generator exceeds the demand on the at least one electrical outlet. Electrical energy is discharged from the at least one secondary battery when the demand from the at least one electrical outlet exceeds the supply from the generator.

A power supply bus circuit includes a high-voltage power supply circuit, the high-voltage power supply circuit includes at least two first alternating current/direct current converters and further includes at least two high-voltage direct current power supply buses, and the first alternating current/direct current converter connects to mains, adjusts the connected mains into a high-voltage direct current, and outputs the high-voltage direct current to the high-voltage direct current power supply bus that is electrically connected to the first alternating current/direct current converter, where the high-voltage power supply circuit further includes at least one first direct current/direct current converter, where the first direct current/direct current converter performs voltage conversion on the high-voltage direct current between two high-voltage direct current power supply buses connected to the first direct current/direct current converter.

Systems, apparatuses, and methods for a modular inverter system having a single device enclosure with a plurality of module receptacles capable of receiving one or more modules having tailored functionality. Such modules work in conjunction with each other to handle control of various power sources and power sinks in a mixed use power generation and consumption system. In various embodiments, these swappable modules include a charge controller module configured to control charging a battery, an inverter/charger module configured to convert an AC voltage to a DC voltage for charging the battery and configured to invert a DC voltage to an AC voltage for supplying AC power, a controller module configured to control the plurality of inverter/charger modules and the charge controller module; and a backplane disposed in the enclosure such that each module receptacle facilitates engaging a respective module with the backplane.

In an example, a method for signaling a generator includes coupling a transmitter to a generator, a receiver to a transfer switch, a first conductor between a first output of the transmitter and a second input of the receiver, and a second conductor between a second output of the receiver and a first input of the transmitter. The method also includes providing an input power signal to the transmitter, and transmitting an electrical-loop signal around a closed loop circuit. After transmitting the electrical-loop signal, the method includes determining a resistance of the closed loop circuit. If the determined resistance is zero or infinite, then the method includes activating an alarm system. If the determined resistance is at a first reference-resistance value, then the method includes maintaining a deactivation of the generator. If the determined resistance is at a second reference-resistance value, then the method includes activating the generator.

The present disclosure relates to a distributed electric power generation system including a plurality of electric power distribution stations; a power transmission grid network connected to the plurality of electric power distribution stations and a plurality of demand loads; and a control station including a processor configured to execute computer instructions to: calculate a period during which electric power supply is needed, acquire an amount of power supply demand to be supplied via the power transmission grid network during the calculated period and select a least costly combination of the electric power distribution stations for the plurality of demand loads based upon a start and stop cost and a running cost of each of the electric power distribution stations in accordance with the calculated period and the amount of power supply demand.

An AC/DC generation system that is mobile and can be easily moved from one location to another to provide the AC power and DC power requirements of the user. The electrical power generators are processor controlled and can be configured to maximize the efficiency of the system, as well as reconfigured to substitute backup components for components determined by the processor to be faulty. The efficiency of the system can be optimized by selecting the electrical generator whose use is the most cost effective.

An electrically-driven pumping system and a driving method thereof. The electrically-driven pumping system includes: a power generation device, at least one energy storage system, a main motor, a pumping device, an auxiliary device, and a first transformer. The first transformer includes an input end, a first output end, and a second output end, the power generation device is connected to the energy storage unit, the input end of the first transformer is connected to the energy storage unit, the first output end of the first transformer is electrically connected to the main motor, and the second output end of the first transformer is electrically connected to the auxiliary device. As such, the electrically-driven pumping system may avoid problems, such as the shutdown of the main motor caused by power failure of the power generation device, and ensure a continuous operation. Besides, the electrically-driven pumping system may make the power generation device operate highly efficiently for a long time under the condition of load variation, which improves the fuel economy.