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Multiple energy storage devices for inverter power control systems in an energy generation system

一种能量存储设备、电力控制系统的技术，应用在能源储备、不可逆的直流功率输入变换为交流功率输出的、光伏发电等方向，能够解决操作复杂等问题

Inactive Publication Date: 2018-04-17
TESLA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, by enabling customers to store energy on-site, it is possible to bill customers for energy supplied to backup loads when the grid is unavailable (e.g., during a blackout)
managing the operation of such an energy generation system can be very complex

Method used

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  • Multiple energy storage devices for inverter power control systems in an energy generation system
  • Multiple energy storage devices for inverter power control systems in an energy generation system
  • Multiple energy storage devices for inverter power control systems in an energy generation system

Examples

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Embodiment Construction

[0045] Recently, inverter power control systems have been developed for charging and discharging storage devices coupled to on-site power generation systems, on-site loads, and the grid. These systems allow multiple modes of operation whereby the PV solar array can charge an energy storage device or it can supply the harvested energy to the AC grid and / or on-site backup loads. Alternatively, the energy storage device may supply energy to the AC grid and / or on-site backup loads, either alone or in combination with a solar array (where applicable). In another alternative mode, the AC grid can be used to charge the energy storage device. Such systems are described in related US Patent Application No. 14 / 798,069, filed July 13, 2015, and US Provisional Patent Application No. 62 / 151,257, filed April 22, 2015, which are incorporated by reference in their entirety This article, for all purposes.

[0046] In embodiments, the energy generation system may be specially configured to me...

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PUM

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Abstract

An energy generation system includes an inverter power control system and a plurality of energy storage devices coupled to the inverter power control system. The inverter power control system includesan input configured to receive DC power; a DC / AC inverter stage configured to receive the DC power input; an anti-islanding relay coupled to the output of the DC / AC inverter stage; and a transition relay coupled to the anti-islanding relay, where the transition relay configured to route an output of the inverter power control system between one or more onsite back-up loads and an AC grid. Each energy storage device is configured to communicate with the inverter power control system.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 62 / 205,452, filed August 14, 2015; and U.S. Patent Application No. 15 / 161,118, filed May 20, 2016, which are incorporated by reference in their entirety incorporated herein for all purposes. Background technique [0003] Lower costs, state and federal tax incentives, and increased awareness of the correlation between greenhouse gases (e.g., carbon dioxide emissions) and climate change have increased the interest of photovoltaic (PV) or "solar" energy generation systems to consumers, businesses, and Popularity of utility companies. A conventional solar energy generation system includes an array of PV modules connected together on one or more strings, a combiner for combining the direct current (DC) output of the one or more strings, a combiner for combining outputs from the strings One or more string inverters that convert DC to alternating current (AC...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02M7/00H02J3/32H02J3/38H02M7/537
CPCH02J3/00H02M7/00H02J3/32H02M7/537H02M7/44H02J7/35H02J7/0068H02J3/388H02J2300/26H02J2300/24H02J3/381H02J7/007Y02E10/56H02M1/0067H02M1/007H02M1/008Y02E70/30H02J3/38
Inventor S·纳拉A·R·鲁特卡斯
Owner TESLA INC
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