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black start device

A technology of black start and energy storage device, applied in the field of electric power, can solve the problems of complex black start process and other problems

Active Publication Date: 2019-06-04
SHENZHEN CLOU ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a black start device for the technical problem that the mainstream scheme tends to complicate the black start process

Method used

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Experimental program
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Embodiment Construction

[0013] The specific implementation of the black start device provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0014] refer to figure 1 , figure 1 Shown is a schematic diagram of the partial structure of the energy storage device of an embodiment, such as figure 1 As shown, the black start device of the above energy storage device is as figure 1 As shown in the middle structure 100, it may include a contactor, a power module 14 and a first switch 16; the above-mentioned contactor includes a main contact 11 and a coil 12;

[0015] The main contact 11 of the contactor is connected in series in the middle of the battery module 18 of the energy storage device, the power module 14 is connected in parallel at both ends of the battery module 18, and the first switch 16 is connected in parallel with the contactor The two ends of the main contact 11, the coil 12 of the contactor is connected in parallel to the output...

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Abstract

The invention relates to a black starter comprising a contactor, a power module, and a first switch. The main contact of the contactor is connected in series between battery modules of an energy storage apparatus. The power module is connected in parallel with the battery modules. The first switch is connected in parallel with the main contact of the contactor. The coil of the contactor is connected with the output end of the power module. When the first switch is switched on, the battery modules power the power module and the power module powers the coil of the contactor. Therefore, the coil is closed and the main contact of the contactor is switched on to achieve self-locking. As a result, the black start of the energy storage apparatus is achieved. The black starter is able to effectively simplify the black start process of the energy storage apparatus and reduce the cost of the black start.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a black start device. Background technique [0002] As people pay more and more attention to environmental pollution, countries pay more and more attention to the utilization of new energy. Energy storage devices are widely used in various fields of new energy utilization because of their advantages in regulating the instability of new energy. . When the energy storage device based on electrochemical energy storage is applied to the off-grid system, it needs to be able to start the energy storage device without the help of an external power supply or when it fails, it must be completed without the help of an external control power input. The means of self-restart is often called black start technology. [0003] At present, the mainstream black start solution is to install an uninterruptible power supply (UPS) on the energy storage device, and use the UPS to provide star...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
CPCH02J3/001H02J3/38H02J3/388
Inventor 蒋鹏
Owner SHENZHEN CLOU ELECTRONICS
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