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Reactive power compensation installation and troubleshooting training device

A fault and compensator technology, applied in educational appliances, instruments, teaching models, etc., can solve the problems of difficult reactive power compensation for students, limited training effect, and unclear consequences for students

Active Publication Date: 2017-10-24
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for electrical equipment such as reactive power compensation cabinets, the training effect of explanation and observation is very limited. Students do not know what phenomenon and consequences will occur under each fault, and it is difficult for students to fully grasp reactive power. The operation of compensation and a deep understanding of its principles

Method used

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  • Reactive power compensation installation and troubleshooting training device
  • Reactive power compensation installation and troubleshooting training device
  • Reactive power compensation installation and troubleshooting training device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: The compensation capacitor includes a capacitor shell, and four terminals are arranged on the capacitor shell, respectively corresponding to A phase, B phase, C phase and ground wire PE, and three capacitors are arranged in the capacitor shell, three The wires of two legs of a capacitor are connected in pairs, and then the connected wires are connected to the A-phase terminal, B-phase terminal, and C-phase terminal of the capacitor shell. The capacitor shell is made of insulated aluminum alloy. There are 4 terminals on the upper part of the capacitor shell, which can be connected to phase A, phase B, phase C and ground wire (PE). The shell of the capacitor is insulated to better protect human safety. , The capacitor is equipped with a modified capacitor.

Embodiment 2

[0032] Embodiment 2: The compensation capacitor includes a capacitor shell, and four terminals are arranged on the capacitor shell, respectively corresponding to phase A, phase B, phase C and ground wire PE, and six capacitors are arranged in the shell of the capacitor, The six capacitors are connected together every four feet, and then the connected wires are connected to the A-phase terminal, B-phase terminal, and C-phase terminal of the capacitor shell. The capacitor shell is made of insulated aluminum alloy. There are 4 terminals on the upper part of the capacitor shell, which can be connected to phase A, phase B, phase C and ground wire (PE). The shell of the capacitor is insulated to better protect human safety. , The capacitor is equipped with a modified capacitor.

Embodiment 3

[0033] Embodiment 3: The compensation capacitor includes a capacitor shell, and four terminals are arranged on the capacitor shell, respectively corresponding to phase A, phase B, phase C and ground wire PE, and nine capacitors are arranged in the shell of the capacitor, The nine capacitors are connected together every six feet, and then the connected wires are connected to the A-phase terminal, B-phase terminal, and C-phase terminal of the capacitor shell. The capacitor shell is made of insulated aluminum alloy. There are 4 terminals on the upper part of the capacitor shell, which can be connected to phase A, phase B, phase C and ground wire (PE). The shell of the capacitor is insulated to better protect human safety. , The capacitor is equipped with a modified capacitor.

[0034] see Figure 4 , the reverse fault point of the sampling current secondary side in this embodiment is realized by the following circuit: the sampling current secondary side reverse fault point is pr...

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Abstract

The invention relates to a reactive compensation mounting and troubleshooting training device which comprises a controller, a reactive compensator, a compensation contactor, compensation capacitors, an incoming wiring terminal, an outgoing wiring terminal and a main line connected between the incoming wiring terminal and the outgoing wiring terminal, wherein two groups of current transformers are arranged on the main line; the compensation capacitor are connected with the main line between the two groups of current transformers via main contacts of the compensation contactors; sampling current secondary reverse measurement fault points are arranged on current sampling lines between a current sampling incoming end of the reactive compensator and the current transformers; and a sampling voltage misconnection fault point is arranged on a voltage sampling line between a voltage sampling incoming end of the reactive compensator and the main line. The device greatly improves field operation capability of a trainee, achieves combination of a theory and practice and has a good training effect.

Description

technical field [0001] The invention relates to a teaching device for electric power industry education and training, in particular to a reactive power compensation installation and troubleshooting training device. Background technique [0002] The transmission of reactive power increases the load of the grid and increases the loss of the grid, so it needs to be compensated locally and nearby. The role of the reactive power compensation device in the electronic power supply system is to improve the power factor of the power grid, reduce the loss of power supply transformers and transmission lines, improve power supply efficiency, and improve the power supply environment. Therefore, the reactive power compensation device is in an indispensable and very important position in the power supply system. Reasonable selection of compensation devices can minimize the loss of the network and improve the quality of the power grid. Conversely, if it is used improperly, it may cause ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B25/02
CPCG09B23/188
Inventor 青志明秦燕宗伟敬勇傅望刘逊傅相忠章陈勇刘克恒周飞陈渝
Owner STATE GRID CORP OF CHINA
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