CN106443395A - Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus - Google Patents
Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus Download PDFInfo
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- CN106443395A CN106443395A CN201611088177.7A CN201611088177A CN106443395A CN 106443395 A CN106443395 A CN 106443395A CN 201611088177 A CN201611088177 A CN 201611088177A CN 106443395 A CN106443395 A CN 106443395A
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- compensation
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- intermediate transformer
- local discharge
- high voltage
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 21
- 238000002474 experimental method Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 208000000058 Anaplasia Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
An ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus comprises a power generator and first and second intermediate transformers connected in series, the low voltage side of the first intermediate transformer is connected to the power generator through a compensating reactor, the high voltage side of the first intermediate transformer is connected to the low voltage side of the second intermediate transformer through a compensating capacitor, and the high voltage side of the second intermediate transformer is connected to a test piece. The intermediate transformers, the compensating reactor and the compensating capacitor are secondarily compensated through theoretical computing, and the requirement on local discharge test of a large-sized reactor can be met; tests of the apparatus on the products, such as 160000 kVar/1000 Kv, 240000 kVar/1000 kV, 400000 kVar/1000 kV and Shanxi 750 kV, indicate that the effect is good, and practice proves that the apparatus may meet the test requirement on local discharge of a large-sized reactor.
Description
Technical field
The invention belongs to reactor experimental technique field is and in particular to a kind of super, extra-high voltage reactor local discharge test loop
Compensation device.
Background technology
During shunt reactor delivery test, need in induced voltage (office puts) process of the test when long to apply 1.7 times of works of highest
Make the test voltage of voltage, and will keep under 1.5 times of running voltages 1 hour, therefore this test is being grown for guarantee reactor
Under phase running voltage, safe and reliable operation has important function.
The voltage levvl being specified according to GB1094.3, not only needs capacity enough and exports stable power supply during test, with
When must provide for sufficiently large reactive power.This requires under upper frequency, high voltage, high current, tested reactor to be carried out
Reactive-load compensation, but if compensate the phenomenons such as improper very likely generation resonance, electromotor self-excitation, to test product, testing equipment danger
Evil is greatly.
Content of the invention
For the problems referred to above, the present invention provides a kind of super, extra-high voltage reactor local discharge test loop compensation device.
For solving the above problems, the technical solution used in the present invention is：A kind of super, extra-high voltage reactor local discharge test loop
Compensation device, the first intermediate transformer including electromotor and series connection and the second intermediate transformer, described the first middle transformation
Device low-pressure side connected by compensation reactor connected to electromotor, high-pressure side by compensation capacitor low to the second intermediate transformer
Pressure side, the second intermediate transformer high-pressure side connect to test product.
Determine the series connection number of compensation capacitor according to the first intermediate transformer output voltage, further according to need compensate electric current
Determine the number of parallel of compensation capacitor, finally give the compensation capacity of compensation capacitor；The compensation capacity root of compensation reactor
Calculation of capacity according to compensation capacitor.
Electromotor is used for providing experiment power supply, and intermediate transformer brings the voltage up to large-scale reactor local discharge test requirement
Voltage, compensation capacitor can ensure the electric current of large-scale reactor local discharge test requirement, and compensation reactor can ensure that bulk loop is in
Perception, it is to avoid capacitive loop is caused to hold and risen or electromotor self-excitation magnetic phenomenon.
The present invention adopts intermediate transformer, compensation reactor and compensation capacitor, theoretically passes through calculating and it is carried out
Second compensation can meet the requirement of large-scale reactor local discharge test, the present invention in 160000kVar/1000kV,
240000kVar/1000kV, 400000kVar/1000kV, the product such as Western Hills 750kV is tested, respond well, from practice
On demonstrate the test requirements document that this device can meet large-scale reactor shelf depreciation.
Brief description
Fig. 1 is the test principle figure of the present invention；
Fig. 2 is the circuit diagram of the present invention.
Wherein, 1, electromotor, 2, compensation reactor, the 3, first intermediate transformer, 4, compensation capacitor, anaplasia in 5, second
Depressor, 6, test product.
Specific embodiment
As described in Figure 1, Yi Zhongchao, extra-high voltage reactor local discharge test loop compensation device, including electromotor 1 and series connection
First intermediate transformer 3 and the second intermediate transformer 5, described the first intermediate transformer 3 low-pressure side passes through compensation reactor 2 even
It is connected to electromotor 1, high-pressure side is connected to the second intermediate transformer 5 low-pressure side, the second intermediate transformer 5 by compensation capacitor 4
High-pressure side connects to test product 6.
As described in Figure 2, the series connection number of compensation capacitor 4 is determined according to the first intermediate transformer 3 output voltage, further according to
Need to compensate the number of parallel that electric current determines compensation capacitor 4, finally give the compensation capacity of compensation capacitor 4；Compensating reactance
The compensation capacity of device 2 is according to the calculation of capacity of compensation capacitor 4.
Using compensation capacitor 4, overcompensation is carried out to it at the first intermediate transformer 3 first, make whole circuit be in hold
Property, meet the requirement to electric current for the large-scale reactor local discharge test；Then carried out secondary using compensation reactor 2 in electromotor 1 side
Compensate, make whole circuit be in perception；Finally by the second intermediate transformer 5 to its secondary booster, meet large-scale reactance general ability and put
The requirement to voltage for the test.
Claims (2)
1. a kind of super, extra-high voltage reactor local discharge test loop compensation device it is characterised in that：Including electromotor (1) and series connection
The first intermediate transformer (3) and the second intermediate transformer (5), described the first intermediate transformer (3) low-pressure side passes through to compensate
Reactor (2) is connected and is connected to the second intermediate transformer (5) low pressure by compensation capacitor (4) to electromotor (1), high-pressure side
Side, the second intermediate transformer (5) high-pressure side connect to test product (6).
2. a kind of super, extra-high voltage reactor local discharge test loop compensation device according to claim 1 it is characterised in that：
Determine the series connection number of compensation capacitor (4) according to the first intermediate transformer (3) output voltage, compensation electric current is true further according to needing
Determine the number of parallel of compensation capacitor (4), finally give the compensation capacity of compensation capacitor (4)；The compensation of compensation reactor (2)
Capacity is according to the calculation of capacity of compensation capacitor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088177.7A CN106443395A (en) | 2016-12-01 | 2016-12-01 | Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088177.7A CN106443395A (en) | 2016-12-01 | 2016-12-01 | Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106443395A true CN106443395A (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611088177.7A Pending CN106443395A (en) | 2016-12-01 | 2016-12-01 | Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN106443395A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271869A (en) * | 2017-06-30 | 2017-10-20 | 国家电网公司 | High altitude localities 750kV shunt reactor partial discharge test methods |
| CN107436399A (en) * | 2017-06-30 | 2017-12-05 | 国家电网公司 | High altitude localities 750kV shunt reactor local discharge test devices |
| CN109164363A (en) * | 2018-11-07 | 2019-01-08 | 国网江苏省电力有限公司电力科学研究院 | A kind of 1000kV reactor local discharge test device and method |
| CN111650442A (en) * | 2020-06-11 | 2020-09-11 | 山东电力设备有限公司 | Test loop structure and test method for loss measurement of shunt reactor |
| CN112305312A (en) * | 2020-10-22 | 2021-02-02 | 山东电力设备有限公司 | System and method for simultaneously testing multiple reactors |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193051A (en) * | 2010-03-05 | 2011-09-21 | 湖北省电力试验研究院 | Field local discharge testing device and method of 1000 kV alternating current extra-high voltage transformer |
| CN104198900A (en) * | 2014-08-04 | 2014-12-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Testing device for long term voltage induction and partial discharge measurement test |
| CN206311702U (en) * | 2016-12-01 | 2017-07-07 | 山东输变电设备有限公司 | One kind is super, extra-high voltage reactor local discharge test loop compensation device |
-
2016
- 2016-12-01 CN CN201611088177.7A patent/CN106443395A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193051A (en) * | 2010-03-05 | 2011-09-21 | 湖北省电力试验研究院 | Field local discharge testing device and method of 1000 kV alternating current extra-high voltage transformer |
| CN104198900A (en) * | 2014-08-04 | 2014-12-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Testing device for long term voltage induction and partial discharge measurement test |
| CN206311702U (en) * | 2016-12-01 | 2017-07-07 | 山东输变电设备有限公司 | One kind is super, extra-high voltage reactor local discharge test loop compensation device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271869A (en) * | 2017-06-30 | 2017-10-20 | 国家电网公司 | High altitude localities 750kV shunt reactor partial discharge test methods |
| CN107436399A (en) * | 2017-06-30 | 2017-12-05 | 国家电网公司 | High altitude localities 750kV shunt reactor local discharge test devices |
| CN109164363A (en) * | 2018-11-07 | 2019-01-08 | 国网江苏省电力有限公司电力科学研究院 | A kind of 1000kV reactor local discharge test device and method |
| CN111650442A (en) * | 2020-06-11 | 2020-09-11 | 山东电力设备有限公司 | Test loop structure and test method for loss measurement of shunt reactor |
| CN111650442B (en) * | 2020-06-11 | 2022-07-26 | 山东电力设备有限公司 | Test loop structure and test method for measuring loss of shunt reactor |
| CN112305312A (en) * | 2020-10-22 | 2021-02-02 | 山东电力设备有限公司 | System and method for simultaneously testing multiple reactors |
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Application publication date: 20170222 |