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Topology and control strategy for hybrid storage systems

A hybrid battery, discharge control technology, applied in energy storage, transportation and packaging, arrangement of multiple synchronous batteries, etc.

Inactive Publication Date: 2016-11-23
ROBERT BOSCH GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Topology and control strategy for hybrid storage systems
  • Topology and control strategy for hybrid storage systems
  • Topology and control strategy for hybrid storage systems

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Embodiment Construction

[0097] In the following description, details are provided to describe embodiments of the present application. It should be apparent, however, to one skilled in the art that the embodiments may be practiced without such details.

[0098] Some parts of the embodiments are similar. Similar parts may have the same name or similar part numbers. Where appropriate, the description of a part applies by reference to another similar part, thereby reducing textual repetition without limiting the present disclosure.

[0099] figure 1The layout of a hybrid storage system 5 with a hybrid battery charging device 10 is shown. According to the present application, the hybrid storage system 5 comprises at least one battery, whereas the hybrid battery charging device does not necessarily comprise a battery.

[0100] The hybrid storage system 5 comprises a first energy storage subsystem 8 with photovoltaic panels 11 and a second energy storage subsystem 9 . The first energy storage subsystem...

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Abstract

The application discloses a hybrid battery-charging device with input terminals for connecting a current source, first battery connections for connecting a lead-acid battery and second battery connections for connecting a high-cycle chemi- cal battery. A two-way DC / DC converter with first and second sets of terminals is connected with the second battery con- nections, and with the first battery connections. A charge and discharge control system of the charging device comprises a controller unit, a control output for controlling the two- way DC / DC converter, and sensing inputs for sensing a state of charge, an internal resistance of the lead-acid-battery and a state of charge of the high-cycle chemical battery. The charge and discharge control system is operative to control the two-way DC / DC converter such that the charging of the lead-acid battery is provided if its state of charge is below a pre-determined threshold and that the charging of high- cycle chemical battery is provided if its state of charge is below a pre-determined threshold and if the state of charge of the lead-acid battery is above a pre-determined threshold.

Description

technical field [0001] This application relates to hybrid storage systems for remote energy systems (RES). Background technique [0002] Historically, lead-acid batteries were one of the first rechargeable batteries. In 1859, French physicist Gaston Planté developed the first practically useful prototype. Today, lead-acid batteries are produced in various types according to special requirements such as price, life expectancy, robustness to environmental conditions, charging or discharging capabilities, recycling properties and weight. Lead-acid batteries are grouped into valve-regulated lead-acid batteries (VRLA), also known as sealed lead-acid batteries (SLA), and refillable or flooded lead-acid batteries. There are two main types of VRLA, the gel cell type and the absorbent glass mat (AGM) type. In gel cell batteries, the electrolyte is thickened by adding silica dust, while in AGM batteries glass fiber sheets occupying the electrolyte are inserted between the battery p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/04H02S40/38
CPCH02S40/38H02J7/34H01L31/02021Y02E10/50H02J7/0013H02J7/35Y02E70/30H02J7/0068
Inventor F.森格布施A.库夫纳S.乔特王兴池李彦麟徐敬庭
Owner ROBERT BOSCH GMBH
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