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Small-hydropower-station voltage on-line monitoring device

A monitoring device and technology of small hydropower, applied in the field of power grid, can solve the problems of unreasonable connection between small hydropower station and power grid, unstable power grid operation, etc., and achieve the effect of optimizing stable performance and improving stable performance.

Inactive Publication Date: 2016-09-07
LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a small hydropower voltage on-line monitoring device, which aims to overcome the disadvantages of unreasonable connection between small and medium-sized hydropower stations and the power grid in the prior art, resulting in unstable operation of the power grid

Method used

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  • Small-hydropower-station voltage on-line monitoring device

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Embodiment Construction

[0016] A small hydropower voltage on-line monitoring device of the present invention will be further described below in conjunction with the accompanying drawings. like figure 1 , figure 2 As shown, a small hydropower voltage online monitoring device, a small hydropower station 100 is a small hydropower station without water storage capacity, which can be used to generate electricity in the rainy season and input electric energy into the grid 200. The online monitoring device is mainly used to monitor the input of the small hydropower 100 into the grid. 200 electric energy parameters, in order to avoid small hydropower 100 input power grid 200 parameters do not meet the requirements, causing grid 200 fluctuations;

[0017] see figure 1 , the online monitoring device includes a monitoring host 1 and a monitoring extension 2 for real-time monitoring of the electric energy of the small hydropower 100. Centralized monitoring reduces the labor intensity of technicians; the moni...

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Abstract

The invention relates to a small-hydropower-station voltage on-line monitoring device, solving the defects of the prior art of unstable running of a power grid due to unreasonable connection of a small hydropower station and the power grid. For the small-hydropower-station voltage on-line monitoring device of the invention, a monitoring extension set is used to monitor electric energy parameters of the small hydropower station. The monitoring extension set is communicated with a monitoring host via the network. The electric energy parameters of the small hydropower station are monitored by the monitoring extension set. A data acquisition unit in the monitoring extension set is used to acquire the electric energy parameters of the small hydropower station. Information that is acquired by the data acquisition unit is sent to and processed by a data processing unit, and then instructions are sent to a control unit by the data processing unit according to the information acquired by the data acquisition unit, so as to control connection / disconnection of the small hydropower station to / from the power grid. The electric energy parameter information of the small hydropower station is monitored by the monitoring extension set. When the electric energy parameters of the small hydropower station do not meet the requirement, the small hydropower station is disconnected from the power grid by the control unit, so the stability of the power grid is optimized.

Description

technical field [0001] The invention relates to the field of power grids, in particular to an on-line voltage monitoring device for small hydropower stations. Background technique [0002] Small hydropower is a small hydropower station. Small hydropower stations are widely used in mountainous areas and areas with a lot of rain. Connecting small hydropower stations to the grid can effectively utilize the electric energy generated by small hydropower stations, thereby reducing the cost of electric energy. However, small hydropower stations have no water storage capacity, and can only generate electricity during the rainy season, and cannot generate electricity after the rainy season ends. [0003] The application of small and medium-sized hydropower stations in the prior art is unreasonable. The small hydropower stations are directly connected to the power grid, that is, the electric energy generated by the small hydropower stations is directly connected to the power grid and ...

Claims

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Application Information

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IPC IPC(8): H02J13/00H02B1/46
CPCH02J13/0013H02B1/46
Inventor 胡标季晓文沈刘玉吴琳梅进刘慧平丁向群蔡伟平周健
Owner LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
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