Reliability evaluation method based on photoelectric and commercial power complementary power supply system

Abstract

The invention discloses a reliability evaluation method based on a photoelectric and commercial power complementary power supply system. The method comprises the following steps: S100, establishing a complementary reliability comprehensive evaluation model of the photoelectric and commercial power complementary power supply system; s200, testing and counting the single power supply fault frequency and single power supply fault time of the system under the conditions of pure photoelectric power supply, pure commercial power supply and pure battery; s300, testing and counting the frequency switching fault frequency and frequency switching fault time of the system under the condition of mutual frequency switching among photoelectricity, commercial power and battery power supply; and S400, inputting test statistical data into the complementary reliability evaluation model, and comprehensively evaluating the reliability of the electronic device, the circuit structure, the load light source and the power grid impact in the power supply system.

Description

technical field [0001] The invention relates to the technical field of new energy system evaluation, and more particularly, to a reliability evaluation method based on a photovoltaic and commercial power complementary power supply system. Background technique [0002] At present, the evaluation of the power supply system is usually carried out independently from the single parameter performance of the power supply side, the load side and the control part, and there are few technical solutions that can carry out joint evaluation; how to comprehensively evaluate the electronic devices, circuit structure, The load light source and power grid impact still need to be improved; therefore, it is necessary to propose a reliability evaluation method based on the photovoltaic and mains complementary power supply system to at least partially solve the problems existing in the prior art. SUMMARY OF THE INVENTION [0003] A series of concepts in simplified form are introduced in the Su...

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Problems solved by technology

[0002] At present, the evaluation of the power supply system is usually independently evaluated from the single parameter performance of the power supply side, the load side and the control part, and there are few technical solutions that can be jointly evaluated; how to comprehensively evaluate the electronic devices, circuit structure, The load light source and grid impact still need to be improved; therefore, it is necessary to propose a reliability evaluation method based on photovoltaic and mains complementary power supply system to at least partially solve the problems existing in the existing technology

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