CN204666725U - Power generator rotor magnetic pole AC impedance and power attenuation measure special car - Google Patents
Power generator rotor magnetic pole AC impedance and power attenuation measure special car Download PDFInfo
- Publication number
- CN204666725U CN204666725U CN201520421987.4U CN201520421987U CN204666725U CN 204666725 U CN204666725 U CN 204666725U CN 201520421987 U CN201520421987 U CN 201520421987U CN 204666725 U CN204666725 U CN 204666725U
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- car body
- power
- magnetic pole
- double
- impedance
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Abstract
The utility model discloses power generator rotor magnetic pole AC impedance and power attenuation measurement special car, vehicle bottom is provided with directional wheel and brake universal wheel, be provided with two before car body and split cabinet door, top is provided with top cover, the right flank cover plate of car body is provided with push-and-pull handrail, the inside of car body is divided into two-layer, be provided with on the right side of lower floor between storing, on the left of lower floor, isolating transformer is installed, on the left of the upper strata, inside of car body, reometer is installed, PT is arranged on the left side of reometer, numeral millivoltmeter is arranged on the left side of PT, double-point double-throw switch is arranged on the front side of digital millivoltmeter, the inner right side of car body is provided with testing transformer control box, single-pole double-throw switch (SPDT) is arranged on the rear side of testing transformer control box, power meter is fixedly mounted on after on the right side of car body upper strata by cushion block.Solve underground power station instrument and meter when power generator rotor magnetic pole AC impedance and power attenuation are measured and carry inconvenience, loaded down with trivial details, the on-the-spot mixed and disorderly problem of wiring.
Description
Technical field
The utility model belongs to underground power station generator test field, particularly relates to power generator rotor magnetic pole AC impedance and power attenuation measurement special car.
Background technology
Measuring generator amature AC impedance is the effective ways judging rotor windings whether turn-to-turn short circuit, and when turn-to-turn short circuit appears in generator amature winding, rotor windings effective turn will reduce, and its AC impedance will reduce, and loss can increase to some extent.So national regulations does the test of rotor AC impedance, measure rotor windings AC impedance and power attenuation, compared with all previous test figure.The more instrument and meters such as testing transformer control box, reometer, voltage table, power meter, millivoltmeter, isolating transformer are needed owing to measuring generator amature AC impedance, test connection often need be changed in scene, wiring is loaded down with trivial details, and easy wrong line causes equipment damage to person; And not reproducible use, each test all needs rewiring.
Existing rotor ac impedance measurement instrument, cost of manufacture is higher, is unfavorable for measuring test principle to generator amature AC impedance and power attenuation, the explanation of method teaches.
Utility model content
The purpose of this utility model proposes power generator rotor magnetic pole AC impedance and power attenuation measures special car, solve underground power station instrument and meter when power generator rotor magnetic pole AC impedance and power attenuation are measured and carry inconvenience, loaded down with trivial details, the on-the-spot mixed and disorderly problem of wiring, specification operation field.
In order to realize above-mentioned technical characteristic, the technical solution adopted in the utility model is: power generator rotor magnetic pole AC impedance and power attenuation measure special car, it comprises car body, vehicle bottom is provided with directional wheel and brake universal wheel, be provided with two before car body and split cabinet door, top is provided with top cover, the right flank cover plate of car body is provided with push-and-pull handrail, the inside of car body is divided into two-layer, be provided with on the right side of lower floor between storing, on the left of lower floor, isolating transformer is installed, on the left of the upper strata, inside of car body, reometer is installed, PT is arranged on the left side of reometer, numeral millivoltmeter is arranged on the left side of PT, double-point double-throw switch is arranged on the front side of digital millivoltmeter, the inner right side of car body is provided with testing transformer control box, single-pole double-throw switch (SPDT) is arranged on the rear side of testing transformer control box, power meter is fixedly mounted on after on the right side of car body upper strata by cushion block.
The shell body of described car body and dividing plate are provided with a multiple cable-through hole.
Described double-point double-throw switch and single-pole double-throw switch (SPDT) are with the use of carrying out handover measurement between single magnetic pole and rotor entirety.
The utility model has following beneficial effect:
In use, first all equipment is all fixedly mounted on vehicle body, then each electric components is electrically connected, test wire is only needed to be connected to rotor after carefully connecting the wire, connect ground wire again, switch on power line simultaneously again, can measure, just power generator rotor magnetic pole AC impedance and power attenuation can be obtained by the test figure of each measurement instrument, cut off the electricity supply after having tested, the test wire be connected with rotor is taken off withdrawal from rotor, ground wire and portable power source dish are kept well and to be placed between storing and specially can to drag away whole, for the measurement of next rotor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
In figure: car body 1, top cover 2, cabinet door 3, directional wheel 4, brake universal wheel 5, push-and-pull handrail 6, testing transformer control box 7, cushion block 8, power meter 9, PT10, digital millivoltmeter 11, double-point double-throw switch 12, reometer 13, single-pole double-throw switch (SPDT) 14, isolating transformer 15, between storing 16.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Figure 1-2, power generator rotor magnetic pole AC impedance and power attenuation measure special car, it comprises car body 1, directional wheel 4 and brake universal wheel 5 are installed bottom car body 1, be provided with two before car body 1 and split cabinet door 3, top is provided with top cover 2, the right flank cover plate of car body 1 is provided with push-and-pull handrail 6, the inside of car body 1 is divided into two-layer, 16 are provided with between storing on the right side of lower floor, isolating transformer 15 is installed on the left of lower floor, on the left of the upper strata, inside of car body 1, reometer 13 is installed, PT10 is arranged on the left side of reometer 13, numeral millivoltmeter 11 is arranged on the left side of PT10, double-point double-throw switch 12 is arranged on the front side of digital millivoltmeter 11, the inner right side of car body 1 is provided with testing transformer control box 7, single-pole double-throw switch (SPDT) 14 is arranged on the rear side of testing transformer control box 7, power meter 9 is fixedly mounted on after on the right side of car body 1 upper strata by cushion block 8.
Preferably, the shell body of described car body 1 and dividing plate are provided with a multiple cable-through hole.Thus be convenient to above-mentioned electrical connection between each electrical detection facility and opertaing device.
Further, described double-point double-throw switch 12 and single-pole double-throw switch (SPDT) 14 are with the use of carrying out handover measurement between single magnetic pole and rotor entirety.
Further, described directional wheel 4 can facilitate the movement of whole dolly with the universal wheel 5 that brakes, and reduces the labor capacity of a dead lift, simultaneously with the function having direction movement and reliably fix.
Further, described testing transformer control box 7 can the size of regulation output electric current.
Further, described power meter 9 can select gear to measure power according to on-the-spot actual needs.
Further, described PT10 when carrying out single magnetic pole ac impedance measurement for amplify voltage thus increase reading accuracy.
Further, described digital millivoltmeter 11 can read voltage by switching range as required.
Further, described reometer 13 is used for monitoring output current; Isolating transformer 15 is used for proterctive equipment and personal safety.
This special car by reasonably integrating equipment and instrument used in power generator rotor magnetic pole AC impedance and power attenuation measuring process and equipment, thus can safe and convenient complete surveying work, its concrete implementation step is:
1, trolley body is made.As Fig. 1-2, this trolley body is divided into two-layer up and down, top cover 2 and cabinet door 3 can be opened, thus convenient placement test apparatus instrument, 16 survey instruments conveniently can placing other between storing, this dolly possesses test wire cable hole and power lead cable hole, the test wire cabling facilitating testing transformer control box power supply cabling and each test apparatus instrument cabling on test cart and be connected with generator amature, this dolly has directional wheel 4 and strap brake universal wheel 5, possesses direction movement and reliable fixing function.
2, installation test instrument and meter.See Fig. 1-2.Testing transformer control box 7 is for regulation output size of current, and power meter 9 selects gear to measure power according to actual needs; PT10 amplifies voltage and increases reading accuracy when carrying out single magnetic pole ac impedance measurement; Numeral millivoltmeter 11 as required switching range reads voltage; Double-point double-throw switch 12 and single-pole double-throw switch (SPDT) 14 are with the use of carrying out handover measurement between single magnetic pole and rotor entirety; Output current monitored by reometer 13; Isolating transformer 15 proterctive equipment and personal safety, test apparatus instrument is placed on customized locations, facilitates execute-in-place and reading, and reometer 13 and power meter 9 are fixed by cushion block 8, then carry out test connection according to test principle.Only test wire need be connected to rotor, connect ground wire, switch on power and can measure, cut off the electricity supply after having tested, the test wire be connected with rotor is taken off from rotor regain, ground wire and portable power source dish keep well and to be placed between storing 16 and can to drag the measurement that special car is used for next rotor away.
Advantage of the present utility model is:
1, solve current underground power station when generator amature AC impedance and power attenuation are measured, test apparatus instrument too much carries inconvenient problem.
2, solve current underground power station when generator amature AC impedance and power attenuation are measured, because instrument and meter is many, wiring is loaded down with trivial details, and wiring often need be changed in testing ground, easily causes the problem of wiring error.
3, underground power station is solved when generator amature AC impedance and power attenuation are measured, reusable, without the need to the measurement special car of assembling wiring repeatedly, save a large amount of early-stage preparations time.
4, solve underground power station generator amature AC impedance and power attenuation measurement, detachable, easy-to-assemble measurement special car, conveniently inspection is carried out to instrument and meter and change and study is giveed training to test principle and wiring.
Above-described embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (3)
1. power generator rotor magnetic pole AC impedance and power attenuation measure special car, it comprises car body (1), car body (1) bottom is provided with directional wheel (4) and brake universal wheel (5), be provided with two before car body (1) and split cabinet door (3), top is provided with top cover (2), it is characterized in that: on the right flank cover plate of car body (1), be provided with push-and-pull handrail (6), the inside of car body (1) is divided into two-layer, be provided with on the right side of lower floor (16) between storing, isolating transformer (15) is installed on the left of lower floor, on the left of the upper strata, inside of car body (1), reometer (13) is installed, PT(10) left side of reometer (13) is arranged on, numeral millivoltmeter (11) be arranged on PT(10) left side, double-point double-throw switch (12) is arranged on the front side of digital millivoltmeter (11), the inner right side of car body (1) is provided with testing transformer control box (7), single-pole double-throw switch (SPDT) (14) is arranged on the rear side of testing transformer control box (7), power meter (9) is fixedly mounted on after on the right side of car body (1) upper strata by cushion block (8).
2. power generator rotor magnetic pole AC impedance according to claim 1 and power attenuation measure special car, it is characterized in that: the shell body of described car body (1) and dividing plate are provided with a multiple cable-through hole.
3. power generator rotor magnetic pole AC impedance according to claim 1 and power attenuation measure special car, it is characterized in that: described double-point double-throw switch (12) and single-pole double-throw switch (SPDT) (14) are with the use of carrying out handover measurement between single magnetic pole and rotor entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421987.4U CN204666725U (en) | 2015-06-18 | 2015-06-18 | Power generator rotor magnetic pole AC impedance and power attenuation measure special car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421987.4U CN204666725U (en) | 2015-06-18 | 2015-06-18 | Power generator rotor magnetic pole AC impedance and power attenuation measure special car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666725U true CN204666725U (en) | 2015-09-23 |
Family
ID=54137095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421987.4U Expired - Fee Related CN204666725U (en) | 2015-06-18 | 2015-06-18 | Power generator rotor magnetic pole AC impedance and power attenuation measure special car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204666725U (en) |
-
2015
- 2015-06-18 CN CN201520421987.4U patent/CN204666725U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20200618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |