Multi-mode coordinated control strategy of multi-port energy router

A coordinated control and multi-modal technology, applied in the direction of control/regulation systems, instruments, and adjustment of electrical variables, can solve the problems of reduced power consumption on the user side, increased power consumption on the user side, and insufficient power transmission of new energy sources. , to achieve the effect of improving response speed and operating efficiency

Pending Publication Date: 2020-03-06
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, new energy has the disadvantages of intermittency, randomness, and geographical dispersion. When a single new energy power generation is integrated into the grid, there may be an increase in power consumption on the user side and ins

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  • Multi-mode coordinated control strategy of multi-port energy router
  • Multi-mode coordinated control strategy of multi-port energy router
  • Multi-mode coordinated control strategy of multi-port energy router

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Embodiment Construction

[0024] In order to realize the high-efficiency and normal operation of the energy router, the present invention proposes a coordinated control strategy for multi-mode multi-port energy routers in view of the deficiencies in the prior art.

[0025] A coordinated control strategy for multi-mode multi-port energy routers, comprising the following steps:

[0026] Step 1: Status information judgment

[0027] The multi-modal coordinated control strategy proposed by the present invention is aimed at different modes. First, the current battery state is judged according to the SOC value of the energy storage battery. When the SOC value is greater than 0.8, the battery is in a dischargeable and non-rechargeable state; It is in chargeable and non-dischargeable state. When the SOC value is between 0.2 and 0.8, the battery is in the state of charging and discharging; secondly, judge whether the maximum output power of the photovoltaic port meets the requirements of the upper power command;...

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Abstract

The invention discloses a multi-mode coordinated control strategy of a multi-port energy router. The essence of the multi-port energy router is a novel power conversion device based on the topology development of a power electronic transformer, which realizes the transmission and absorption functions of new energy sources such as hydropower and solar energy. The energy router has four connection ports including a hydropower port, a photovoltaic port, an energy storage port and a grid-connected port. The four ports work in a coordinated way. The upper energy management system adopts the multi-mode coordinated control strategy and issues instructions to each port, and each port accepts and executes the instructions to realize the functions of transmitting energy from the hydropower port andphotovoltaic port to the energy router, outputting energy to the power grid by the grid-connected port and maintaining the balance of the system depending on the power difference.

Description

technical field [0001] The invention relates to the field of electric energy conversion, in particular to a coordinated control strategy for multi-mode multi-port energy routers. Background technique [0002] With the increasing shortage of global fossil energy and environmental pollution, and the improvement of new energy power generation technology, the global emphasis on new energy is gradually increasing. The traditional way of thermal power generation has a large proportion in the power generation system due to its reliability and ease of operation. However, the power conversion efficiency of thermal power generation is low, and the degree of pollution to the environment is relatively large. As society pays more attention to sustainable development strategies and the environment, environmentally friendly renewable energy has gradually appeared in human vision. Compared with fossil energy such as coal, oil, and natural gas, renewable energy such as wind energy and sola...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02J3/32G05F1/67
CPCH02J3/32G05F1/67Y02E10/56
Inventor 苏适陆海罗恩博杨洲李翔杨洋张旭东
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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