Load monitoring equipment and control method thereof and load monitoring system
A load monitoring and equipment technology, applied in the field of electric power system, can solve problems such as unstable working status of load monitoring equipment, uneven electric energy, and inability to complete the transmission of monitoring data by electric energy
Pending Publication Date: 2020-09-25
BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +1
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Problems solved by technology
Among them, for the power supply method using batteries, since the batteries need to be replaced regularly, it will cause great inconvenience in use and maintenance.
For the way of using current transformers to take power, since the energy for the load monitoring equipment is extracted from the high-voltage side, and the power required for the load monitoring equipment is uneven, in the case of small currents, the obtained electric energy It may not be possible to complete monitoring data transmission and other tasks, thus resulting in unstable working status of load monitoring equipment
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[0027] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and not to limit the present invention.
[0028] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain that it is in a specific posture (as shown in the drawings). If the specific posture changes, the relative positional relationship, movement, etc. of the components below will also change the directional indication accordingly.
[0029] In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and cannot be understood as instr...
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The embodiment of the invention provides load monitoring equipment and a control method thereof and a load monitoring system, and belongs to the field of power systems. The load monitoring device comprises: a current transformer configured to obtain electric energy from a primary side of the power system; a farad capacitor which is configured to store the electric energy acquired by the current transformer so as to supply power to the load monitoring equipment; and a control device which is configured to detect the voltage of the farad capacitor and set the working state of the load monitoringequipment according to the voltage. Therefore, the farad capacitor is additionally arranged in the load monitoring equipment, the electric energy acquired by the current transformer can be stored, and the working state of the load monitoring equipment can be set according to the voltage of the farad capacitor, so that the problem of unstable working state caused by uneven electric energy requiredby the load monitoring equipment during working is solved, and the stability of the load monitoring equipment is improved.
Description
Technical field [0001] The present invention relates to the field of power systems, in particular to a load monitoring equipment and its control method, and a load monitoring system. Background technique [0002] At present, the remote load monitoring system is mainly composed of load monitoring equipment, data receiving equipment and monitoring master station. The load monitoring equipment mainly monitors the primary-side power consumption environment of the power-consumption circuit of the power system. It collects the primary-side power consumption parameters at regular intervals, generates historical data curves, analyzes the user's power consumption trend, and realizes all-round coverage monitoring of the power consumption circuit. The load monitoring equipment regularly collects the primary side current and exchanges data with the data receiving equipment through wireless communication. The communication process is encrypted to ensure the security of user information trans...
Claims
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IPC IPC(8): G01R31/00H02J7/34
CPCG01R31/00H02J7/345
Inventor 肖鲲王连忠陈河王建李涛艾庆华吴有超秦晓敏黄波黄亮姚国旺武丽聪
Owner BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY