Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.

A generator pack for attachment to a vehicle, the generator pack comprising a housing, one or more pack layers located within the housing, and one or more turbine generators located within the housing for generating electrical power. Each of the pack layers comprises one or more photovoltaic panels for generating electrical power from light. Each of the turbine generators comprises a shaft, a plurality of blades attached to the shaft, wherein rotation of the blades causes rotation of the shaft, and a generator attached to the shaft, wherein the generator is configured to generate electrical power from rotation of the shaft. Movement of the vehicle effects movement of air against the blades, and the movement of air against the blades effects rotation of the blades and the shaft. The generator pack is configured to transmit electrical power from the pack layers and the turbine generators to the vehicle.

Provided herein is a system and method for heat exchange of a vehicle. The system comprises an enclosure disposed on the vehicle. The enclosure comprises a vent at a base of the enclosure. The enclosure houses one or more sensors. The enclosure comprises a fan disposed at a base of the enclosure. The heat exchange system comprises an deflector disposed on the vehicle outside the enclosure and configured to direct an airflow into the vent of the enclosure. The heat exchange system comprises a motor configured to: generate electricity from the airflow and selectively supply electricity to operate the fan. The heat exchange system comprises a controller configured to adjust the deflector and regulate an amount of electricity supplied from the motor to the fan.

An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A pump configuration includes a single VFD configuration, the single shaft electric motor, and the single shaft hydraulic pump mounted on the single pump trailer. The single VFD configuration converts the electric power at the power generation voltage level distributed from the power distribution trailer to a VFD voltage level and drives the single shaft electric motor to control the operation of the single shaft electric motor and the single hydraulic pump. The VFD voltage level is a voltage level that is required to drive the single shaft electric motor. The VFD configuration also controls operation of the auxiliary systems based on the electric power at the auxiliary voltage level.

A method of controlling an aero wind power generation device, includes take-off preparation process of preparing for take-off of the aero wind power generation device; a gas injection process of injecting gas into a buoyancy generation unit of the aero wind power generation device; a take-off process of taking off the aero wind power generation device using a drone unit and the buoyancy generation unit of the aero wind power generation device; and a charging process of charging a battery connected to the aero wind power generation device using the aero wind power generation device.

An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. The single VFD converts the electric power of at least 13.8 kV to a VFD rated voltage level of at least 4160V and drives the single shaft electric motor at the VFD voltage level of up to 4160V to control the operation of the single shaft electric motor and the single hydraulic pump. The single shaft electric motor drives the single hydraulic pump with the rotation at the rated RPM level of at least 750 RPM. The single hydraulic pump continuously pumps the fracking media into the well at the HP level of at least 5000 HP. The single hydraulic pump operates on a continuous duty cycle to continuously pump the fracking media at the HP level of at least 5000 HP.

The present invention relates to spiral wind turbines and an energy-harnessing system. The system features a plurality of spiral wind turbines adapted to collect drag energy of moving vehicles and for converting the collected energy into electricity. The spiral wind turbines can also be installed for collecting air flow energy from heating vents on rooftops, smokestacks or similar structures. The system uses wind energy along with captured moving air or heated air energy for producing electric power using electric generators and storing same using storage batteries. The turbines are vertically rotating, and the method of attachment/installation will depend on the type of turbine and the location. The system allows federal, state, and local governments, as well as others, to generate electricity passively.

A multi-axial wave energy conversion device includes a carrier, a main body coupled to the carrier, a wave energy conversion assembly, a rotating mechanism, a lifting mechanism and a control unit electrically connected to the rotating mechanism and the lifting mechanism. The wave energy conversion assembly is coupled to the main body and includes an arm. The rotating mechanism is coupled between the carrier and the main body. The lifting mechanism is coupled between the arm and the main body. The control unit is for controlling the rotating mechanism to drive the main body to rotate relative to the carrier around a vertical axis for adjusting an orientation of the arm relative to the carrier, and further for controlling the lifting mechanism to drive the arm to rotate relative to the main body around a horizontal axis for adjusting an included angle between the arm and the main body.

An electric driven hydraulic fracking system is disclosed. A pump configuration that includes the single VFD, the single shaft electric motor, and the single hydraulic pump that is mounted on the single pump trailer. A pump configuration includes a single VFD configuration, the single shaft electric motor, and the single shaft hydraulic pump mounted on the single pump trailer. The single VFD configuration converts the electric power at the power generation voltage level distributed from the power distribution trailer to a VFD voltage level and drives the single shaft electric motor to control the operation of the single shaft electric motor and the single hydraulic pump. The VFD voltage level is a voltage level that is required to drive the single shaft electric motor. The VFD configuration also controls operation of the auxiliary systems based on the electric power at the auxiliary voltage level.

Certain embodiments of the present application relate to a variable frequency drive (VFD) cabin for a pump configuration including a mobile trailer on which the VFD cabin is to be mounted. The VFD cabin generally includes a medium-voltage VFD and a ventilation system. In certain embodiments, the ventilation system is configured to generate an overpressure condition within the cabin to discourage the entry of dust and debris into the cabin. In certain embodiments, one or more components of the medium-voltage VFD are coupled to the floor of the cabin via a vibration damping system. In certain embodiments, the VFD cabin may be directly coupled to a chassis of the mobile trailer without an intervening suspension being provided between the VFD cabin and the chassis.