CN203799545U - Simulation fault transformer - Google Patents
Simulation fault transformer Download PDFInfo
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- CN203799545U CN203799545U CN201420187250.6U CN201420187250U CN203799545U CN 203799545 U CN203799545 U CN 203799545U CN 201420187250 U CN201420187250 U CN 201420187250U CN 203799545 U CN203799545 U CN 203799545U
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Abstract
Description
技术领域 technical field
本实用新型涉及一种模拟故障电力设备，尤其涉及一种模拟故障变压器，适于电力技能培训。 The utility model relates to a fault-simulating power equipment, in particular to a fault-simulating transformer, which is suitable for power skill training.
背景技术 Background technique
电气试验专业技能培训时，试验被试品往往是全新或者单一故障的电气设备，试验数据完全满足规程规定，很难进行故障的设置和更改，严重制约培训学员对故障的分析、判断及处理的能力。因此，技能培训迫切需要一种可设故障的电气设备，以此来培训学员分析判断故障的能力。变压器作为一种电力系统常用设备，培训学员分析判断变压器故障尤为重要，但是目前可供培训的故障变压器比较少，而且故障单一，不能满足培训需要。 During electrical test professional skills training, the test items are often brand-new or single-fault electrical equipment. The test data fully meets the regulations, and it is difficult to set and change faults, which seriously restricts the trainees' ability to analyze, judge and deal with faults. ability. Therefore, skills training urgently needs a kind of electrical equipment that can be set to fault, so as to train students' ability to analyze and judge faults. As transformer is a common equipment in power system, it is very important for trainees to analyze and judge transformer faults. However, there are relatively few faulty transformers available for training, and the fault is single, which cannot meet the training needs.
实用新型内容 Utility model content
本实用新型针对上述现有技术中存在的问题，围绕变压器的直流电阻相间不平衡故障和绝缘电阻不合格故障而进行了变压器改造，提供了一种模拟故障变压器，解决了现有技术中故障单一，不能满足培训需要的问题。 Aiming at the problems existing in the above-mentioned prior art, the utility model transforms the transformer around the DC resistance phase-to-phase unbalance fault and the unqualified insulation resistance fault of the transformer, provides a simulated fault transformer, and solves the problem of single fault in the prior art , can not meet the training needs of the problem.
本实用新型的技术方案如下： The technical scheme of the utility model is as follows:
包括变压器，变压器低压侧每相分别并联电阻R1、电阻R2及电阻R3；变压器高压侧的首端每项串联一组电阻RA、电阻RB及电阻RC；变压器高压侧A相与变压器低压侧a相之间连接电阻R变；变压器高压侧C相和变压器低压侧a相分别连接有一组电阻RC1和电阻Ra。 Including the transformer, each phase of the low voltage side of the transformer is connected in parallel with resistance R1, resistance R2 and resistance R3; the first end of the high voltage side of the transformer is connected in series with a set of resistance RA, resistance RB and resistance RC; the phase A of the high voltage side of the transformer is connected with the phase a of the low voltage side of the transformer The resistance R is connected between them; the phase C on the high-voltage side of the transformer and the phase a on the low-voltage side of the transformer are respectively connected with a set of resistance RC1 and a resistance Ra.
所述的电阻R1、电阻R2及电阻R3的电阻值分别为0.69Ω、1.01Ω及0.41Ω电阻。 The resistance values of the resistor R1 , the resistor R2 and the resistor R3 are respectively 0.69Ω, 1.01Ω and 0.41Ω.
所述的电阻RA由电阻R4和电阻R5并联组成；电阻R4和电阻R5的电阻值为0.24Ω。 The resistor RA is composed of a resistor R4 and a resistor R5 connected in parallel; the resistance value of the resistor R4 and the resistor R5 is 0.24Ω.
所述的电阻RB由电阻R6和电阻R7并联组成；电阻R6和电阻R7的电阻值为0.4Ω。 The resistor RB is composed of a resistor R6 and a resistor R7 connected in parallel; the resistance value of the resistor R6 and the resistor R7 is 0.4Ω.
所述的电阻RC由电阻R8和电阻R9并联组成；电阻R8和电阻R9的电阻值为0.3Ω。 The resistor RC is composed of a resistor R8 and a resistor R9 connected in parallel; the resistance value of the resistor R8 and the resistor R9 is 0.3Ω.
所述的电阻R变由电阻R13和电阻R14并联组成；电阻R13和电阻R14的电阻值为400MΩ。 The resistor R variable is composed of a resistor R13 and a resistor R14 connected in parallel; the resistance value of the resistor R13 and the resistor R14 is 400MΩ.
所述的电阻RC1由电阻R15和电阻R16并联组成；电阻R15和电阻R16的电阻值为1000MΩ。 The resistor RC1 is composed of a resistor R15 and a resistor R16 connected in parallel; the resistance value of the resistor R15 and the resistor R16 is 1000MΩ.
所述的电阻Ra由电阻R11和电阻R12并联组成；电阻R11和电阻R12的电阻值为20MΩ。 The resistor Ra is composed of a resistor R11 and a resistor R12 connected in parallel; the resistance value of the resistor R11 and the resistor R12 is 20MΩ.
所述的电阻R1、电阻R2、电阻R3、电阻RA、电阻RB、电阻RC、电阻R变、电阻RC1和电阻Ra分别连接有各自的开关。 The resistance R1, resistance R2, resistance R3, resistance RA, resistance RB, resistance RC, resistance R variable , resistance RC1 and resistance Ra are respectively connected with respective switches.
本实用新型的优点效果如下： The advantages and effects of the present utility model are as follows:
1、可以按照培训需求设置直流电阻故障和绝缘电阻故障等各种需要的变压器故障，便于学员直观学习；大大提高了高员工队伍分析、判断故障的能力；在技能鉴定及员工队伍的考核过程中发挥重要作用。 1. Various required transformer faults such as DC resistance fault and insulation resistance fault can be set according to training requirements, which is convenient for students to learn intuitively; greatly improves the ability of high-level staff to analyze and judge faults; in the process of skill appraisal and staff assessment Play an important role.
2、经过多次验证设计的变压器电阻值，更符合实际教学需要，适用于室内教学培训，增强故障自设功能。 2. The transformer resistance value designed after multiple verifications is more in line with the actual teaching needs, suitable for indoor teaching and training, and enhances the function of fault self-setting.
附图说明 Description of drawings
图1为本实用新型的结构原理示意图。 Fig. 1 is the structural schematic diagram of the utility model.
图2为本实用新型直流电阻故障低压侧的结构原理示意图。 Fig. 2 is a schematic diagram of the structure and principle of the DC resistance fault low-voltage side of the utility model.
图3为本实用新型直流电阻故障高压侧的结构原理示意图。 Fig. 3 is a schematic diagram of the structure and principle of the DC resistance fault high voltage side of the utility model.
图4为本实用新型绝缘电阻故障的结构原理示意图。 Fig. 4 is a schematic diagram of the structural principle of the insulation resistance fault of the present invention.
具体实施方式 Detailed ways
以下参照附图，结合具体实施例，详细描述本实用新型的具体结构。 The specific structure of the utility model will be described in detail below in conjunction with specific embodiments with reference to the accompanying drawings.
实施例 Example
如图1-4所示，包括变压器，变压器低压侧每相分别并联电阻R1、电阻R2及电阻R3；变压器高压侧的首端每项串联一组电阻RA、电阻RB及电阻RC；变压器高压侧A相与变压器低压侧a相之间连接电阻R变；变压器高压侧C相和变压器低压侧a相分别连接有一组电阻RC1和电阻Ra。 As shown in Figure 1-4, including the transformer, each phase of the low voltage side of the transformer is connected in parallel with resistance R1, resistance R2 and resistance R3; the first end of the high voltage side of the transformer is connected in series with a set of resistance RA, resistance RB and resistance RC; the high voltage side of the transformer A resistor R is connected between phase A and phase a on the low-voltage side of the transformer; phase C on the high-voltage side of the transformer and phase a on the low-voltage side of the transformer are respectively connected with a set of resistors RC1 and Ra.
所述的电阻R1、电阻R2及电阻R3的电阻值分别为0.69Ω、1.01Ω及0.41Ω电阻。 The resistance values of the resistor R1 , the resistor R2 and the resistor R3 are respectively 0.69Ω, 1.01Ω and 0.41Ω.
所述的电阻RA由电阻R4和电阻R5并联组成；电阻R4和电阻R5的电阻值为0.24Ω。 The resistor RA is composed of a resistor R4 and a resistor R5 connected in parallel; the resistance value of the resistor R4 and the resistor R5 is 0.24Ω.
所述的电阻RB由电阻R6和电阻R7并联组成；电阻R6和电阻R7的电阻值为0.4Ω。 The resistor RB is composed of a resistor R6 and a resistor R7 connected in parallel; the resistance value of the resistor R6 and the resistor R7 is 0.4Ω.
所述的电阻RC由电阻R8和电阻R9并联组成；电阻R8和电阻R9的电阻值为0.3Ω。 The resistor RC is composed of a resistor R8 and a resistor R9 connected in parallel; the resistance value of the resistor R8 and the resistor R9 is 0.3Ω.
所述的电阻R变由电阻R13和电阻R14并联组成；电阻R13和电阻R14的电阻值为400MΩ。 The resistor R variable is composed of a resistor R13 and a resistor R14 connected in parallel; the resistance value of the resistor R13 and the resistor R14 is 400MΩ.
所述的电阻RC1由电阻R15和电阻R16并联组成；电阻R15和电阻R16的电阻值为1000MΩ。 The resistor RC1 is composed of a resistor R15 and a resistor R16 connected in parallel; the resistance value of the resistor R15 and the resistor R16 is 1000MΩ.
所述的电阻Ra由电阻R11和电阻R12并联组成；电阻R11和电阻R12的电阻值为20MΩ。 The resistor Ra is composed of a resistor R11 and a resistor R12 connected in parallel; the resistance value of the resistor R11 and the resistor R12 is 20MΩ.
所述的电阻R1、电阻R2、电阻R3、电阻RA、电阻RB、电阻RC、电阻R变、电阻RC1和电阻Ra分别连接有各自的开关。 The resistance R1, resistance R2, resistance R3, resistance RA, resistance RB, resistance RC, resistance R variable , resistance RC1 and resistance Ra are respectively connected with respective switches.
通过上述设置，既在变压器低压侧可实现每相分别并联0.69Ω、1.01Ω、0.41Ω电阻；在高压侧的首端实现串联0.12Ω、0.2Ω、0.15Ω电阻；在高压首端与低压首端实现连接一组可变联络电阻10MΩ、200MΩ、500MΩ。 Through the above settings, each phase can be connected in parallel with 0.69Ω, 1.01Ω, 0.41Ω resistors on the low-voltage side of the transformer; 0.12Ω, 0.2Ω, 0.15Ω A set of variable contact resistors 10MΩ, 200MΩ, 500MΩ can be connected to the terminal.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187250.6U CN203799545U (en) | 2014-04-17 | 2014-04-17 | Simulation fault transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187250.6U CN203799545U (en) | 2014-04-17 | 2014-04-17 | Simulation fault transformer |
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| CN203799545U true CN203799545U (en) | 2014-08-27 |
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| CN201420187250.6U Expired - Lifetime CN203799545U (en) | 2014-04-17 | 2014-04-17 | Simulation fault transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943010A (en) * | 2014-04-17 | 2014-07-23 | 国家电网公司 | Fault simulation transformer |
| CN108414879A (en) * | 2018-04-02 | 2018-08-17 | 西南交通大学 | Short-circuit analog platform and assessment method between Wound iron-core transformer lamination |
-
2014
- 2014-04-17 CN CN201420187250.6U patent/CN203799545U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943010A (en) * | 2014-04-17 | 2014-07-23 | 国家电网公司 | Fault simulation transformer |
| CN108414879A (en) * | 2018-04-02 | 2018-08-17 | 西南交通大学 | Short-circuit analog platform and assessment method between Wound iron-core transformer lamination |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140827 |