The invention relates to a portable wind-solar complementary power storage and supply system. The system comprises a first power supply system and a second power supply system; the first power supply system comprises a wind driven generator, a photovoltaic module and a control inverter; the wind driven generator is used for conducting wind power generation so as to produce electric energy; the photovoltaic module is used for conducting photovoltaic power generation so as to produce the electric energy; the control inverter is connected with the wind driven generator and the photovoltaic module and used for tracking maximum power points of wind power generation and photovoltaic power generation respectively and outputting the electric energy produced by the wind driven generator and the photovoltaic module at the maximum power respectively, and the second power supply system is a solar rechargeable battery. According to the portable wind-solar complementary power storage and supply system, power generation can be conducted by means of wind energy and solar energy, regional power supply can be conducted on field operation, power supply can be conducted on equipment with certain power, and vehicle carrying, spreading and erecting are convenient to achieve.

Portable wind-solar complementary power storage and supply system

The invention discloses a wind-solar complementary mobile base station intelligent power supply system. The system comprises a wind driven generator, a solar cell panel, a wind-solar complementary controller, a storage battery and an inverter; both the wind driven generator and the solar cell panel are connected with the wind-solar complementary controller; the wind-solar complementary controller is connected with a DC (Direct Current) load and an AC (Alternating Current) load by the storage battery; the inverter is arranged between the storage battery and the AC load; and the wind-solar complementary controller is provided with a conversion interface. According to the invention, an advanced MPPT (Maximum Power Point Tracking) power tracking technology is adopted, so that the highest utilization rate of wind energy and solar energy is ensured; and power and environment parameters of each base station can be subjected to remote centralized monitoring and real-time information and fault information of the system are timely mastered. The wind-solar complementary mobile base station intelligent power supply system has multiple protection functions of preventing surge, preventing the short circuit, preventing reverse connection, preventing overload and the like.

Wind-solar complementary mobile base station intelligent power supply system

A converterless motor-driven pump system includes an off-grid prime mover, an electric power generator driven by the off-grid prime mover to generate a power output, an electric submersible pump (ESP) system, and a system controller. The ESP system includes a motor coupled to the electric power generator to receive the power output, and a pump driven by the motor to pump a fluid. The system controller includes a processor and a memory. The memory includes instructions that, when executed by the processor, cause the system controller to control the off-grid prime mover as a function of an operational parameter of the ESP system to maintain a desired operating point of the pump, and control the electric power generator to reduce the power output generated by the electric power generator while the desired operating point of the pump is maintained.

Systems and methods for energy optimization for converterless motor-driven pumps

The invention discloses a wind and optical energy hybrid power supply system for a power internet of things node. The system comprises a wind power generator, a solar panel, a storage battery pack, a wind and optical energy complementation controller, a DC-AC inverter, a DC-DC transformer, an unloading device, a monitoring unit, a 3G wireless communication module, a state data server and a mobile phone user end. According to the invention, the system makes up for the power supply defects of wind power and optical power independent systems respectively in resources, guarantees normal operation of power internet of things terminals especially remote areas or under an unattended condition, at the same time, remotely monitors the system through a mobile end, timely grasps system real-time information and fault information, and also has the advantages of simple apparatus structure, high system reliability, low cost, real-time and convenient monitoring, high energy utilization rate and high environmental friendliness.

Wind and optical energy hybrid power supply system for power internet of things node

The invention discloses a wind-solar complementary power generation device. Through the adoption of a wind-solar complementary power supply manner, wind power which cannot be used for wind power generation can be effectively utilized, so that the energy utilization ratio is improved; moreover, through the adoption of a mechanical transmission manner, the heat of a solar battery can be further cooled, and through the adoption of a gear transmission manner, the defect that solar power generation overheats can be effectively offset by the defect that the wind speed is too high or too low during wind power generation, so that effective wind-solar complementation is realized, the possibility that a wind power generator halts or operates with too high rotating speed is lowered, and the service life and the working time of the solar battery are prolonged.

Wind-solar complementary power generation device

The utility model discloses a wind-solar hybrid mobile base station intelligent power supply system. The system comprises a wind-driven generator, a solar cell panel, a wind-solar hybrid controller, a storage battery and an inverter, wherein the wind-driven generator and the solar cell panel are both connected with the wind-solar hybrid controller; the wind-solar hybrid controller is connected with a direct-current load and an alternating-current load respectively through the storage battery; the inverter is disposed between the storage battery and the alternating-current load; and a conversion interface is disposed in the wind-solar hybrid controller. The wind-solar hybrid mobile base station intelligent power supply system ensures maximum utilization of wind energy and solar energy by adopting the advanced MPPT power tracking technology, can perform remote centralized monitoring on power and environmental parameters of base stations and master real-time information and fault information of the system in time, and has multiple protection functions of anti-surge, anti-short-circuit, anti-reversal-connection, anti-overloading, etc.

Ma Hong

Papers

Wind-solar hybrid mobile base station intelligent power supply system

Wind-solar complementary mobile base station intelligent power supply system