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Precise load shedding system, communication method thereof and access device

An access device, accurate technology, applied in transmission systems, circuit devices, digital transmission systems, etc., can solve the problem of precision load shedding system reliability is not involved

Active Publication Date: 2019-04-12
JIANGSU ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing precise load shedding system, there is no specific access device that can realize data interaction between the control substation layer and the end user access layer, and the reliability of the precise load shedding system is not involved

Method used

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  • Precise load shedding system, communication method thereof and access device
  • Precise load shedding system, communication method thereof and access device
  • Precise load shedding system, communication method thereof and access device

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0035] It should be noted that the terms "system" and "network" in this disclosure are often used interchangeably herein. The "and / or" mentioned in the embodiments of the present invention means any and all combinations including one or more related listed items. The terms "first", "second" and the like in the description, claims and drawings of the present invention are used to distinguish different objects, rather than to limit a specific order.

[0036] It should also be noted that the following embodiments of...

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Abstract

The invention discloses a precise load shedding system, a communication method thereof and an access device. The access device includes two E1 interfaces, eight optical fiber interfaces, a central processing unit (CPU) and a field programmable logic gate array (FPGA). The two E1 interfaces are respectively connected with the A-set control device and a B-set control device of a control sub-station.The eight optical fiber interfaces are respectively connected with eight control terminals. The FPGA includes eight groups of optical fiber receiving and sending modules and two groups of E1 receiving and sending modules. The eight groups of optical fiber receiving and sending modules are respectively connected with the eight optical fiber interfaces through serial interfaces. The two groups of E1 receiving and sending modules are respectively connected with the two E1 interfaces through serial interfaces. A resetting sub-module is arranged in each group of optical fiber receiving and sendingmodules. A resetting sub-module is arranged in each group of E1 receiving and sending modules. The CPU is connected with the FPGA through a parallel bus. The solution can be suitable for use in practical projects, can improve reliability while the problem of excessive communication bandwidth occupancy of conventional safe and stable control system solutions is solved, saves investment costs, andreduces maintenance difficulty.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of electric power systems, and in particular to a precise load shedding system, a communication method thereof, and an access device. Background technique [0002] In a conventional security and stability control system, one control terminal will occupy a 2M channel. When there are many control terminals connected, if each control terminal occupies a 2M channel exclusively, it will take up a large amount of communication bandwidth, which is not conducive to saving investment. . [0003] The precise load shedding system can centralize the interruptible loads of distributed power users for millisecond-level precise control, implement flexible adjustments, and achieve instantaneous balance between power supply and demand. Existing precision load shedding systems can usually be divided into three layers, namely the control master station layer, the control sub-station layer and the end use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/911H04L1/00
CPCH04L1/004H04L47/78H02J3/14H04L49/55H02J13/00019Y02B70/3225Y04S20/222H04L12/10
Inventor 尹积军陈庆吴争陆晓崔恒志罗建裕徐春雷李雪明陈向东罗凯明李碧君刘林颜云松任建锋夏海峰
Owner JIANGSU ELECTRIC POWER CO
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